Extract 'sortable' formatting from GridEntry

AaxDecrypter/AaxDecrypter.csproj

@@ -5,8 +5,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AAXClean" Version="0.2.5" />
-    <PackageReference Include="AAXClean.Codecs" Version="0.1.2" />
+    <PackageReference Include="AAXClean" Version="0.3.5" />
+    <PackageReference Include="AAXClean.Codecs" Version="0.1.12" />
   </ItemGroup>
 
   <ItemGroup>

AaxDecrypter/AaxcDownloadConvertBase.cs

@@ -6,6 +6,8 @@ namespace AaxDecrypter
 {
 	public abstract class AaxcDownloadConvertBase : AudiobookDownloadBase
 	{
+		public event EventHandler<AppleTags> RetrievedMetadata;
+
 		protected OutputFormat OutputFormat { get; }
 
 		protected AaxFile AaxFile;
@@ -20,24 +22,21 @@ namespace AaxDecrypter
 		public override void SetCoverArt(byte[] coverArt)
 		{
 			base.SetCoverArt(coverArt);
-			if (coverArt is not null)
-				AaxFile?.AppleTags.SetCoverArt(coverArt);
+			if (coverArt is not null && AaxFile?.AppleTags is not null)
+				AaxFile.AppleTags.Cover = coverArt;
 		}
 
-		/// <summary>Optional step to run after Metadata is retrieved</summary>
-		public Action<AaxFile> UpdateMetadata { get; set; }
-
 		protected bool Step_GetMetadata()
 		{
 			AaxFile = new AaxFile(InputFileStream);
 
-			UpdateMetadata?.Invoke(AaxFile);
-
 			OnRetrievedTitle(AaxFile.AppleTags.TitleSansUnabridged);
 			OnRetrievedAuthors(AaxFile.AppleTags.FirstAuthor ?? "[unknown]");
 			OnRetrievedNarrators(AaxFile.AppleTags.Narrator ?? "[unknown]");
 			OnRetrievedCoverArt(AaxFile.AppleTags.Cover);
 
+			RetrievedMetadata?.Invoke(this, AaxFile.AppleTags);
+
 			return !IsCanceled;
 		}
 

AaxDecrypter/AudiobookDownloadBase.cs

@@ -67,16 +67,18 @@ namespace AaxDecrypter
 				Serilog.Log.Logger.Error("Conversion failed");
 
 			return IsSuccess;
-		}		
+		}
 
-		protected void OnRetrievedTitle(string title) 
+		protected void OnRetrievedTitle(string title)
 			=> RetrievedTitle?.Invoke(this, title);
-		protected void OnRetrievedAuthors(string authors) 
+		protected void OnRetrievedAuthors(string authors)
 			=> RetrievedAuthors?.Invoke(this, authors);
-		protected void OnRetrievedNarrators(string narrators) 
+		protected void OnRetrievedNarrators(string narrators)
 			=> RetrievedNarrators?.Invoke(this, narrators);
-		protected void OnRetrievedCoverArt(byte[] coverArt) 
+
+		protected void OnRetrievedCoverArt(byte[] coverArt)
 			=> RetrievedCoverArt?.Invoke(this, coverArt);
+
 		protected void OnDecryptProgressUpdate(DownloadProgress downloadProgress) 
 			=> DecryptProgressUpdate?.Invoke(this, downloadProgress);
 		protected void OnDecryptTimeRemaining(TimeSpan timeRemaining)

AppScaffolding/AppScaffolding.csproj

@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <TargetFramework>net6.0-windows</TargetFramework>
-    <Version>6.8.1.1</Version>
+    <Version>7.0.1.1</Version>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,7 +11,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Octokit" Version="0.50.0" />
+    <PackageReference Include="Octokit" Version="0.51.0" />
   </ItemGroup>
 
   <ItemGroup>

AppScaffolding/LibationScaffolding.cs

@@ -104,7 +104,7 @@ namespace AppScaffolding
 
 		private static void ensureSerilogConfig(Configuration config)
 		{
-			if (config.GetObject("Serilog") != null)
+			if (config.GetObject("Serilog") is not null)
 				return;
 
 			var serilogObj = new JObject

ApplicationServices/ApplicationServices.csproj

@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="CsvHelper" Version="27.2.1" />
-    <PackageReference Include="NPOI" Version="2.5.5" />
+    <PackageReference Include="NPOI" Version="2.5.6" />
   </ItemGroup>
 
   <ItemGroup>

ApplicationServices/LibraryCommands.cs

@@ -89,6 +89,9 @@ namespace ApplicationServices
 				var totalCount = importItems.Count;
 				Log.Logger.Information($"GetAllLibraryItems: Total count {totalCount}");
 
+				if (totalCount == 0)
+					return default;
+
 				Log.Logger.Information("Begin long-running import");
 				logTime($"pre {nameof(importIntoDbAsync)}");
 				var newCount = await importIntoDbAsync(importItems);
@@ -173,6 +176,7 @@ namespace ApplicationServices
             int qtyChanges = saveChanges(context);
             logTime("importIntoDbAsync -- post SaveChanges");
 
+			// this is any changes at all to the database, not just new books
             if (qtyChanges > 0)
                 await Task.Run(() => finalizeLibrarySizeChange());
             logTime("importIntoDbAsync -- post finalizeLibrarySizeChange");

AudibleUtilities/Account.cs

@@ -73,10 +73,10 @@ namespace AudibleUtilities
 				if (_identity is null && value is null)
 					return;
 
-				if (_identity != null)
+				if (_identity is not null)
 					_identity.Updated -= update;
 
-				if (value != null)
+				if (value is not null)
 					value.Updated += update;
 
 				_identity = value;

AudibleUtilities/AccountsSettings.cs

@@ -66,7 +66,7 @@ namespace AudibleUtilities
 		{
 			var acct = GetAccount(accountId, locale);
 
-			if (acct != null)
+			if (acct is not null)
 				return acct;
 
 			var l = Localization.Get(locale);

AudibleUtilities/ApiExtended.cs

@@ -148,7 +148,7 @@ namespace AudibleUtilities
 			foreach (var v in validators)
 			{
 				var exceptions = v.Validate(items);
-				if (exceptions != null && exceptions.Any())
+				if (exceptions is not null && exceptions.Any())
 					throw new AggregateException(exceptions);
 			}
 

AudibleUtilities/AudibleUtilities.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AudibleApi" Version="2.7.2.1" />
+    <PackageReference Include="AudibleApi" Version="2.7.3.1" />
   </ItemGroup>
 
   <ItemGroup>

DataLayer/Configurations/BookContributorConfig.cs

@@ -9,8 +9,8 @@ namespace DataLayer.Configurations
         {
             entity.HasKey(bc => new { bc.BookId, bc.ContributorId, bc.Role });
 
-            entity.HasIndex(b => b.BookId);
-            entity.HasIndex(b => b.ContributorId);
+            entity.HasIndex(bc => bc.BookId);
+            entity.HasIndex(bc => bc.ContributorId);
 
             entity
                 .HasOne(bc => bc.Book)

DataLayer/Configurations/LibraryBookConfig.cs

@@ -21,12 +21,12 @@ namespace DataLayer.Configurations
             // - update LibraryBook import code
             // - would likely challenge assumptions throughout Libation which have been true up until now
 
-            entity.HasKey(b => b.BookId);
+            entity.HasKey(lb => lb.BookId);
 
             entity
-                .HasOne(le => le.Book)
+                .HasOne(lb => lb.Book)
                 .WithOne()
-                .HasForeignKey<LibraryBook>(le => le.BookId);
+                .HasForeignKey<LibraryBook>(lb => lb.BookId);
         }
     }
 }

DataLayer/Configurations/SeriesBookConfig.cs

@@ -7,10 +7,10 @@ namespace DataLayer.Configurations
     {
         public void Configure(EntityTypeBuilder<SeriesBook> entity)
         {
-            entity.HasKey(bc => new { bc.SeriesId, bc.BookId });
+            entity.HasKey(sb => new { sb.SeriesId, sb.BookId });
 
-            entity.HasIndex(b => b.SeriesId);
-            entity.HasIndex(b => b.BookId);
+            entity.HasIndex(sb => sb.SeriesId);
+            entity.HasIndex(sb => sb.BookId);
 
             entity
                 .HasOne(sb => sb.Series)

DataLayer/Configurations/SeriesConfig.cs

@@ -7,8 +7,8 @@ namespace DataLayer.Configurations
     {
         public void Configure(EntityTypeBuilder<Series> entity)
         {
-            entity.HasKey(b => b.SeriesId);
-            entity.HasIndex(b => b.AudibleSeriesId);
+            entity.HasKey(s => s.SeriesId);
+            entity.HasIndex(s => s.AudibleSeriesId);
 
             entity
                 .Metadata

DataLayer/EfClasses/Book.cs

@@ -43,14 +43,17 @@ namespace DataLayer
         internal int CategoryId { get; private set; }
         public Category Category { get; private set; }
         public string[] CategoriesNames
-            => Category == null ? new string[0]
-            : Category.ParentCategory == null ? new[] { Category.Name }
+            => Category is null ? new string[0]
+            : Category.ParentCategory is null ? new[] { Category.Name }
             : new[] { Category.ParentCategory.Name, Category.Name };
         public string[] CategoriesIds
-            => Category == null ? null
-            : Category.ParentCategory == null ? new[] { Category.AudibleCategoryId }
+            => Category is null ? null
+            : Category.ParentCategory is null ? new[] { Category.AudibleCategoryId }
             : new[] { Category.ParentCategory.AudibleCategoryId, Category.AudibleCategoryId };
 
+        public string TitleSortable => Formatters.GetSortName(Title);
+        public string SeriesSortable => Formatters.GetSortName(SeriesNames);
+
         // is owned, not optional 1:1
         public UserDefinedItem UserDefinedItem { get; private set; }
 
@@ -216,7 +219,7 @@ namespace DataLayer
 				getEntry(context).Collection(s => s.SeriesLink).Load();
 
 			var singleSeriesBook = _seriesLink.SingleOrDefault(sb => sb.Series == series);
-            if (singleSeriesBook == null)
+            if (singleSeriesBook is null)
                 _seriesLink.Add(new SeriesBook(series, this, order));
             else
                 singleSeriesBook.UpdateOrder(order);

DataLayer/EfClasses/Category.cs

@@ -44,7 +44,7 @@ namespace DataLayer
         public void UpdateParentCategory(Category parentCategory)
         {
             // don't overwrite with null but not an error
-            if (parentCategory != null)
+            if (parentCategory is not null)
                 ParentCategory = parentCategory;
         }
 

DataLayer/EfClasses/Contributor.cs

@@ -31,16 +31,12 @@ namespace DataLayer
         public string AudibleContributorId { get; private set; }
 
         private Contributor() { }
-        public Contributor(string name)
+        public Contributor(string name, string audibleContributorId = null)
         {
-            ArgumentValidator.EnsureNotNullOrWhiteSpace(name, nameof(name));
+            Name = ArgumentValidator.EnsureNotNullOrWhiteSpace(name, nameof(name));
 
             _booksLink = new HashSet<BookContributor>();
 
-            Name = name;
-        }
-		public Contributor(string name, string audibleContributorId) : this(name)
-		{
 			// don't overwrite with null or whitespace but not an error
 			if (!string.IsNullOrWhiteSpace(audibleContributorId))
 				AudibleContributorId = audibleContributorId;

DataLayer/EfClasses/UserDefinedItem.cs

@@ -162,38 +162,6 @@ namespace DataLayer
         }
 		#endregion
 
-		#region batch changes
-		public static event EventHandler<string> Batch_ItemChanged;
-        public void BatchMode_UpdateBookStatus(LiberatedStatus value)
-        {
-            if (_bookStatus != value)
-            {
-                _bookStatus = value;
-                batchFlag = true;
-            }
-        }
-
-        // don't overwrite current with null. Therefore input is "LiberatedStatus" not "LiberatedStatus?"
-        public void BatchMode_UpdatePdfStatus(LiberatedStatus value)
-        {
-            if (_pdfStatus != value)
-            {
-                _pdfStatus = value;
-                batchFlag = true;
-            }
-        }
-
-        private static bool batchFlag = false;
-
-        public static void BatchMode_Finalize()
-        {
-            if (batchFlag)
-                Batch_ItemChanged?.Invoke(null, null);
-
-            batchFlag = false;
-        }
-        #endregion
-
         public override string ToString() => $"{Book} {Rating} {Tags}";
 	}
 }

DataLayer/Formatters.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace DataLayer
+{
+    internal class Formatters
+	{
+		private static string[] _sortPrefixIgnores { get; } = { "the", "a", "an" };
+
+		public static string GetSortName(string unformattedName)
+		{
+			var sortName = unformattedName
+				.Replace("|", "")
+				.Replace(":", "")
+				.ToLowerInvariant()
+				.Trim();
+
+			if (_sortPrefixIgnores.Any(prefix => sortName.StartsWith(prefix + " ")))
+				sortName = sortName
+					.Substring(sortName.IndexOf(" ") + 1)
+					.TrimStart();
+
+			return sortName;
+		}
+	}
+}

DataLayer/QueryObjects/BookQueries.cs

@@ -19,7 +19,8 @@ namespace DataLayer
         public static Book GetBook(this IQueryable<Book> books, string productId)
             => books
                 .GetBooks()
-                .SingleOrDefault(b => b.AudibleProductId == productId);
+                // 'Single' is more accurate but 'First' is faster and less error prone
+                .FirstOrDefault(b => b.AudibleProductId == productId);
 
         /// <summary>This is still IQueryable. YOU MUST CALL ToList() YOURSELF</summary>
         public static IQueryable<Book> GetBooks(this IQueryable<Book> books, Expression<Func<Book, bool>> predicate)

DataLayer/TagPersistenceInterceptor.cs

@@ -19,7 +19,7 @@ namespace DataLayer
 				.Entries()
 				.Where(e => e.State.In(EntityState.Modified, EntityState.Added))
 				.Select(e => e.Entity as UserDefinedItem)
-				.Where(udi => udi != null)
+				.Where(udi => udi is not null)
 				// do NOT filter out entires with blank tags. blank is the valid way to show the absence of tags
 				.Select(t => (t.Book.AudibleProductId, t.Tags))
 				.ToList();

DtoImporterService/BookImporter.cs

@@ -4,62 +4,53 @@ using System.Linq;
 using AudibleApi.Common;
 using AudibleUtilities;
 using DataLayer;
+using Dinah.Core.Collections.Generic;
 
 namespace DtoImporterService
 {
 	public class BookImporter : ItemsImporterBase
 	{
-		public BookImporter(LibationContext context) : base(context) { }
+		protected override IValidator Validator => new BookValidator();
 
-		public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new BookValidator().Validate(importItems.Select(i => i.DtoItem));
+		public Dictionary<string, Book> Cache { get; private set; } = new();
+
+		private ContributorImporter contributorImporter { get; }
+		private SeriesImporter seriesImporter { get; }
+		private CategoryImporter categoryImporter { get; }
+
+		public BookImporter(LibationContext context) : base(context)
+		{
+			contributorImporter = new ContributorImporter(DbContext);
+			seriesImporter = new SeriesImporter(DbContext);
+			categoryImporter = new CategoryImporter(DbContext);
+		}
 
 		protected override int DoImport(IEnumerable<ImportItem> importItems)
 		{
 			// pre-req.s
-			new ContributorImporter(DbContext).Import(importItems);
-			new SeriesImporter(DbContext).Import(importItems);
-			new CategoryImporter(DbContext).Import(importItems);
-			
-			// get distinct
-			var productIds = importItems.Select(i => i.DtoItem.ProductId).Distinct().ToList();
-			
-			// load db existing => .Local
-			loadLocal_books(productIds);
-			
+			contributorImporter.Import(importItems);
+			seriesImporter.Import(importItems);
+			categoryImporter.Import(importItems);
+
+			// load db existing => hash table
+			loadLocal_books(importItems);
+
 			// upsert
 			var qtyNew = upsertBooks(importItems);
 			return qtyNew;
 		}
 
-		private void loadLocal_books(List<string> productIds)
+		private void loadLocal_books(IEnumerable<ImportItem> importItems)
 		{
-			// if this context has already loaded books, don't need to reload them. vestige from when context was long-lived. in practice, we now typically use a fresh context. this is quick though so no harm in leaving it.
-			var localProductIds = DbContext.Books.Local.Select(b => b.AudibleProductId).ToList();
-			var remainingProductIds = productIds
-				.Except(localProductIds)
+			// get distinct
+			var productIds = importItems
+				.Select(i => i.DtoItem.ProductId)
+				.Distinct()
 				.ToList();
 
-			#region // explanation of DbContext.Books.GetBooks(b => remainingProductIds.Contains(b.AudibleProductId)).ToList();
-			/*
-			articles suggest loading to Local with
-			    context.Books.Load();
-			we want Books and associated fields
-			    context.Books.GetBooks(b => remainingProductIds.Contains(b.AudibleProductId)).ToList();
-			this is emulating Load() but with also getting associated fields
-
-			from: Microsoft.EntityFrameworkCore.EntityFrameworkQueryableExtensions
-			// Summary:
-			//     Enumerates the query. When using Entity Framework, this causes the results of
-			//     the query to be loaded into the associated context. This is equivalent to calling
-			//     ToList and then throwing away the list (without the overhead of actually creating
-			//     the list).
-			public static void Load<TSource>([NotNullAttribute] this IQueryable<TSource> source); 
-			*/
-			#endregion
-
-			// GetBooks() eager loads Series, category, et al
-			if (remainingProductIds.Any())
-				DbContext.Books.GetBooks(b => remainingProductIds.Contains(b.AudibleProductId)).ToList();
+			Cache = DbContext.Books
+				.GetBooks(b => productIds.Contains(b.AudibleProductId))
+				.ToDictionarySafe(b => b.AudibleProductId);
 		}
 
 		private int upsertBooks(IEnumerable<ImportItem> importItems)
@@ -68,8 +59,7 @@ namespace DtoImporterService
 
 			foreach (var item in importItems)
 			{
-				var book = DbContext.Books.Local.FirstOrDefault(p => p.AudibleProductId == item.DtoItem.ProductId);
-				if (book is null)
+				if (!Cache.TryGetValue(item.DtoItem.ProductId, out var book))
 				{
 					book = createNewBook(item);
 					qtyNew++;
@@ -94,8 +84,7 @@ namespace DtoImporterService
 			// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
 			var authors = item
 				.Authors
-				// This should properly be Single() not FirstOrDefault(), but FirstOrDefault is defensive
-				.Select(a => DbContext.Contributors.Local.FirstOrDefault(c => a.Name == c.Name))
+				.Select(a => contributorImporter.Cache[a.Name])
 				.ToList();
 
 			var narrators
@@ -105,8 +94,7 @@ namespace DtoImporterService
 				// nested logic is required so order of names is retained. else, contributors may appear in the order they were inserted into the db
 				: item
 					.Narrators
-					// This should properly be Single() not FirstOrDefault(), but FirstOrDefault is defensive
-					.Select(n => DbContext.Contributors.Local.FirstOrDefault(c => n.Name == c.Name))
+					.Select(n => contributorImporter.Cache[n.Name])
 					.ToList();
 
 			// categories are laid out for a breadcrumb. category is 1st, subcategory is 2nd
@@ -120,8 +108,7 @@ namespace DtoImporterService
 				// 2+
 				: item.Categories[1].CategoryId;
 
-			// This should properly be SingleOrDefault() not FirstOrDefault(), but FirstOrDefault is defensive
-			var category = DbContext.Categories.Local.FirstOrDefault(c => c.AudibleCategoryId == lastCategory);
+			var category = categoryImporter.Cache[lastCategory];
 
 			Book book;
 			try
@@ -137,6 +124,7 @@ namespace DtoImporterService
 					category,
 					importItem.LocaleName)
 					).Entity;
+				Cache.Add(book.AudibleProductId, book);
 			}
 			catch (Exception ex)
 			{
@@ -157,8 +145,7 @@ namespace DtoImporterService
 			var publisherName = item.Publisher;
 			if (!string.IsNullOrWhiteSpace(publisherName))
 			{
-				// This should properly be Single() not FirstOrDefault(), but FirstOrDefault is defensive
-				var publisher = DbContext.Contributors.Local.FirstOrDefault(c => publisherName == c.Name);
+				var publisher = contributorImporter.Cache[publisherName];
 				book.ReplacePublisher(publisher);
 			}
 
@@ -185,11 +172,11 @@ namespace DtoImporterService
 
 			// update series even for existing books. these are occasionally updated
 			// these will upsert over library-scraped series, but will not leave orphans
-			if (item.Series != null)
+			if (item.Series is not null)
 			{
 				foreach (var seriesEntry in item.Series)
 				{
-					var series = DbContext.Series.Local.FirstOrDefault(s => seriesEntry.SeriesId == s.AudibleSeriesId);
+					var series = seriesImporter.Cache[seriesEntry.SeriesId];
 					book.UpsertSeries(series, seriesEntry.Sequence);
 				}
 			}

DtoImporterService/CategoryImporter.cs

@@ -4,14 +4,17 @@ using System.Linq;
 using AudibleApi.Common;
 using AudibleUtilities;
 using DataLayer;
+using Dinah.Core.Collections.Generic;
 
 namespace DtoImporterService
 {
 	public class CategoryImporter : ItemsImporterBase
 	{
-		public CategoryImporter(LibationContext context) : base(context) { }
+		protected override IValidator Validator => new CategoryValidator();
 
-		public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new CategoryValidator().Validate(importItems.Select(i => i.DtoItem));
+		public Dictionary<string, Category> Cache { get; private set; } = new();
+
+		public CategoryImporter(LibationContext context) : base(context) { }
 
 		protected override int DoImport(IEnumerable<ImportItem> importItems)
 		{
@@ -19,7 +22,9 @@ namespace DtoImporterService
 			var categoryIds = importItems
 				.Select(i => i.DtoItem)
 				.GetCategoriesDistinct()
-				.Select(c => c.CategoryId).ToList();
+				.Select(c => c.CategoryId)
+				.Distinct()
+				.ToList();
 
 			// load db existing => .Local
 			loadLocal_categories(categoryIds);
@@ -38,15 +43,10 @@ namespace DtoImporterService
 			// must include default/empty/missing
 			categoryIds.Add(Category.GetEmpty().AudibleCategoryId);
 
-			var localIds = DbContext.Categories.Local.Select(c => c.AudibleCategoryId).ToList();
-			var remainingCategoryIds = categoryIds
-				.Distinct()
-				.Except(localIds)
-				.ToList();
-
 			// load existing => local
-			if (remainingCategoryIds.Any())
-				DbContext.Categories.Where(c => remainingCategoryIds.Contains(c.AudibleCategoryId)).ToList();
+			Cache = DbContext.Categories
+				.Where(c => categoryIds.Contains(c.AudibleCategoryId))
+				.ToDictionarySafe(c => c.AudibleCategoryId);
 		}
 
 		// only use after loading contributors => local
@@ -67,22 +67,11 @@ namespace DtoImporterService
 
 					Category parentCategory = null;
 					if (i == 1)
-						// should be "Single()" but user is getting a strange error
-						parentCategory = DbContext.Categories.Local.FirstOrDefault(c => c.AudibleCategoryId == pair[0].CategoryId);
+						Cache.TryGetValue(pair[0].CategoryId, out parentCategory);
 
-					// should be "SingleOrDefault()" but user is getting a strange error
-					var category = DbContext.Categories.Local.FirstOrDefault(c => c.AudibleCategoryId == id);
-					if (category is null)
+					if (!Cache.TryGetValue(id, out var category))
 					{
-						try
-						{
-							category = DbContext.Categories.Add(new Category(new AudibleCategoryId(id), name)).Entity;
-						}
-						catch (Exception ex)
-						{
-							Serilog.Log.Logger.Error(ex, "Error adding category. {@DebugInfo}", new { id, name });
-							throw;
-						}
+						category = addCategory(id, name);
 						qtyNew++;
 					}
 
@@ -92,5 +81,24 @@ namespace DtoImporterService
 
 			return qtyNew;
 		}
+
+		private Category addCategory(string id, string name)
+		{
+			try
+			{
+				var category = new Category(new AudibleCategoryId(id), name);
+
+				var entityEntry = DbContext.Categories.Add(category);
+				var entity = entityEntry.Entity;
+
+				Cache.Add(entity.AudibleCategoryId, entity);
+				return entity;
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Logger.Error(ex, "Error adding category. {@DebugInfo}", new { id, name });
+				throw;
+			}
+		}
 	}
 }

DtoImporterService/ContributorImporter.cs

@@ -4,14 +4,17 @@ using System.Linq;
 using AudibleApi.Common;
 using AudibleUtilities;
 using DataLayer;
+using Dinah.Core.Collections.Generic;
 
 namespace DtoImporterService
 {
 	public class ContributorImporter : ItemsImporterBase
 	{
-		public ContributorImporter(LibationContext context) : base(context) { }
+		protected override IValidator Validator => new ContributorValidator();
 
-		public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new ContributorValidator().Validate(importItems.Select(i => i.DtoItem));
+		public Dictionary<string, Contributor> Cache { get; private set; } = new();
+
+		public ContributorImporter(LibationContext context) : base(context) { }
 
 		protected override int DoImport(IEnumerable<ImportItem> importItems)
 		{
@@ -50,78 +53,61 @@ namespace DtoImporterService
 			// must include default/empty/missing
 			contributorNames.Add(Contributor.GetEmpty().Name);
 
-			//// BAD: very inefficient
-			// var x = context.Contributors.Local.Where(c => !contribNames.Contains(c.Name));
-
-			// GOOD: Except() is efficient. Due to hashing, it's close to O(n)
-			var localNames = DbContext.Contributors.Local.Select(c => c.Name).ToList();
-			var remainingContribNames = contributorNames
-				.Distinct()
-				.Except(localNames)
-				.ToList();
-
 			// load existing => local
-			if (remainingContribNames.Any())
-				DbContext.Contributors.Where(c => remainingContribNames.Contains(c.Name)).ToList();
+			Cache = DbContext.Contributors
+				.Where(c => contributorNames.Contains(c.Name))
+				.ToDictionarySafe(c => c.Name);
 		}
 
-		// only use after loading contributors => local
 		private int upsertPeople(List<Person> people)
 		{
-			var localNames = DbContext.Contributors.Local.Select(c => c.Name).ToList();
-			var newPeople = people
-				.Select(p => p.Name)
-				.Distinct()
-				.Except(localNames)
-				.ToList();
+			var hash = people
+				// new people only
+				.Where(p => !Cache.ContainsKey(p.Name))
+				// remove duplicates by Name. first in wins
+				.ToDictionarySafe(p => p.Name);
 
-			var groupby = people.GroupBy(
-				p => p.Name,
-				p => p,
-				(key, g) => new { Name = key, People = g.ToList() }
-				);
-			foreach (var name in newPeople)
+			foreach (var kvp in hash)
 			{
-				// This should properly be Single() not FirstOrDefault(), but FirstOrDefault is defensive
-				var p = groupby.FirstOrDefault(g => g.Name == name).People.First();
-
-				try
-				{
-					DbContext.Contributors.Add(new Contributor(p.Name, p.Asin));
-				}
-				catch (Exception ex)
-				{
-					Serilog.Log.Logger.Error(ex, "Error adding person. {@DebugInfo}", new { p?.Name, p?.Asin });
-					throw;
-				}
+				var person = kvp.Value;
+				addContributor(person.Name, person.Asin);
 			}
 
-			return newPeople.Count;
+			return hash.Count;
 		}
 
 		// only use after loading contributors => local
 		private int upsertPublishers(List<string> publishers)
 		{
-			var localNames = DbContext.Contributors.Local.Select(c => c.Name).ToList();
-			var newPublishers = publishers
-				.Distinct()
-				.Except(localNames)
-				.ToList();
+			var hash = publishers
+				// new publishers only
+				.Where(p => !Cache.ContainsKey(p))
+				// remove duplicates
+				.ToHashSet();
 
-			foreach (var pub in newPublishers)
-			{
-				try
-				{
-					DbContext.Contributors.Add(new Contributor(pub));
-				}
-				catch (Exception ex)
-				{
-					Serilog.Log.Logger.Error(ex, "Error adding publisher. {@DebugInfo}", new { pub });
-					throw;
-				}
-			}
+			foreach (var pub in hash)
+				addContributor(pub);
 
-			return newPublishers.Count;
+			return hash.Count;
 		}
-	}
+
+        private Contributor addContributor(string name, string id = null)
+		{
+			try
+			{
+				var newContrib = new Contributor(name);
+
+				var entityEntry = DbContext.Contributors.Add(newContrib);
+				var entity = entityEntry.Entity;
+
+				Cache.Add(entity.Name, entity);
+				return entity;
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Logger.Error(ex, "Error adding contributor. {@DebugInfo}", new { name, id });
+				throw;
+			}
+        }
+    }
 }

DtoImporterService/ImporterBase.cs

@@ -25,7 +25,7 @@ namespace DtoImporterService
 			try
 			{
 				var exceptions = Validate(param);
-				if (exceptions != null && exceptions.Any())
+				if (exceptions is not null && exceptions.Any())
 					throw new AggregateException($"Importer validation failed", exceptions);
 			}
 			catch (Exception ex)
@@ -53,5 +53,9 @@ namespace DtoImporterService
 	public abstract class ItemsImporterBase : ImporterBase<IEnumerable<ImportItem>>
 	{
 		protected ItemsImporterBase(LibationContext context) : base(context) { }
+
+		protected abstract IValidator Validator { get; }
+        public sealed override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems)
+			=> Validator.Validate(importItems.Select(i => i.DtoItem));
 	}
 }

DtoImporterService/LibraryBookImporter.cs

@@ -3,18 +3,24 @@ using System.Collections.Generic;
 using System.Linq;
 using AudibleUtilities;
 using DataLayer;
+using Dinah.Core.Collections.Generic;
 
 namespace DtoImporterService
 {
 	public class LibraryBookImporter : ItemsImporterBase
 	{
-		public LibraryBookImporter(LibationContext context) : base(context) { }
+		protected override IValidator Validator => new LibraryValidator();
 
-		public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new LibraryValidator().Validate(importItems.Select(i => i.DtoItem));
+		private BookImporter bookImporter { get; }
+
+		public LibraryBookImporter(LibationContext context) : base(context)
+		{
+			bookImporter = new BookImporter(DbContext);
+		}
 
 		protected override int DoImport(IEnumerable<ImportItem> importItems)
 		{
-			new BookImporter(DbContext).Import(importItems);
+			bookImporter.Import(importItems);
 
 			var qtyNew = upsertLibraryBooks(importItems);
 			return qtyNew;
@@ -36,25 +42,18 @@ namespace DtoImporterService
 
 			var currentLibraryProductIds = DbContext.LibraryBooks.Select(l => l.Book.AudibleProductId).ToList();
 			var newItems = importItems
-				.Where(dto => !currentLibraryProductIds
-				.Contains(dto.DtoItem.ProductId))
+				.Where(dto => !currentLibraryProductIds.Contains(dto.DtoItem.ProductId))
 				.ToList();
 
 			// if 2 accounts try to import the same book in the same transaction: error since we're only tracking and pulling by asin.
 			// just use the first
-			var groupby = newItems.GroupBy(
-				i => i.DtoItem.ProductId,
-				i => i,
-				(key, g) => new { ProductId = key, ImportItems = g.ToList() }
-				)
-				.ToList();
-			foreach (var gb in groupby)
-			{
-				var newItem = gb.ImportItems.First();
+			var hash = newItems.ToDictionarySafe(dto => dto.DtoItem.ProductId);
+			foreach (var kvp in hash)
+            {
+				var newItem = kvp.Value;
 
 				var libraryBook = new LibraryBook(
-					// This should properly be Single() not FirstOrDefault(), but FirstOrDefault is defensive
-					DbContext.Books.Local.FirstOrDefault(b => b.AudibleProductId == newItem.DtoItem.ProductId),
+					bookImporter.Cache[newItem.DtoItem.ProductId],
 					newItem.DtoItem.DateAdded,
 					newItem.AccountId);
 				try
@@ -67,7 +66,7 @@ namespace DtoImporterService
 				}
 			}
 
-			var qtyNew = groupby.Count;
+			var qtyNew = hash.Count;
 			return qtyNew;
 		}
 	}

DtoImporterService/PerfLogger.cs

@@ -8,8 +8,8 @@ namespace DtoImporterService
 	public record timeLogEntry(string msg, long totalElapsed, long delta);
 	public static class PerfLogger
 	{
-		private static Stopwatch sw = new Stopwatch();
-		private static List<timeLogEntry> __log { get; } = new List<timeLogEntry> { new("begin", 0, 0) };
+		private static Stopwatch sw { get; } = new();
+		private static List<timeLogEntry> __log { get; } = new() { new("begin", 0, 0) };
 
 		public static void logTime(string s)
 		{

DtoImporterService/SeriesImporter.cs

@@ -4,14 +4,17 @@ using System.Linq;
 using AudibleApi.Common;
 using AudibleUtilities;
 using DataLayer;
+using Dinah.Core.Collections.Generic;
 
 namespace DtoImporterService
 {
 	public class SeriesImporter : ItemsImporterBase
 	{
-		public SeriesImporter(LibationContext context) : base(context) { }
+		protected override IValidator Validator => new SeriesValidator();
 
-		public override IEnumerable<Exception> Validate(IEnumerable<ImportItem> importItems) => new SeriesValidator().Validate(importItems.Select(i => i.DtoItem));
+		public Dictionary<string, DataLayer.Series> Cache { get; private set; } = new();
+
+		public SeriesImporter(LibationContext context) : base(context) { }
 
 		protected override int DoImport(IEnumerable<ImportItem> importItems)
 		{
@@ -31,15 +34,12 @@ namespace DtoImporterService
 
 		private void loadLocal_series(List<AudibleApi.Common.Series> series)
 		{
-			var seriesIds = series.Select(s => s.SeriesId).ToList();
-			var localIds = DbContext.Series.Local.Select(s => s.AudibleSeriesId).ToList();
-			var remainingSeriesIds = seriesIds
-				.Distinct()
-				.Except(localIds)
-				.ToList();
+			var seriesIds = series.Select(s => s.SeriesId).Distinct().ToList();
 
-			if (remainingSeriesIds.Any())
-				DbContext.Series.Where(s => remainingSeriesIds.Contains(s.AudibleSeriesId)).ToList();
+			if (seriesIds.Any())
+				Cache = DbContext.Series
+					.Where(s => seriesIds.Contains(s.AudibleSeriesId))
+					.ToDictionarySafe(s => s.AudibleSeriesId);
 		}
 
 		private int upsertSeries(List<AudibleApi.Common.Series> requestedSeries)
@@ -48,18 +48,10 @@ namespace DtoImporterService
 
 			foreach (var s in requestedSeries)
 			{
-				var series = DbContext.Series.Local.FirstOrDefault(c => c.AudibleSeriesId == s.SeriesId);
-				if (series is null)
+				// AudibleApi.Common.Series.SeriesId == DataLayer.AudibleSeriesId
+				if (!Cache.TryGetValue(s.SeriesId, out var series))
 				{
-					try
-					{
-						series = DbContext.Series.Add(new DataLayer.Series(new AudibleSeriesId(s.SeriesId))).Entity;
-					}
-					catch (Exception ex)
-					{
-						Serilog.Log.Logger.Error(ex, "Error adding series. {@DebugInfo}", new { s?.SeriesId });
-						throw;
-					}
+					series = addSeries(s.SeriesId);
 					qtyNew++;
 				}
 				series.UpdateName(s.SeriesName);
@@ -67,5 +59,24 @@ namespace DtoImporterService
 
 			return qtyNew;
 		}
+
+		private DataLayer.Series addSeries(string seriesId)
+		{
+			try
+			{
+				var series = new DataLayer.Series(new AudibleSeriesId(seriesId));
+
+				var entityEntry = DbContext.Series.Add(series);
+				var entity = entityEntry.Entity;
+
+				Cache.Add(entity.AudibleSeriesId, entity);
+				return entity;
+			}
+			catch (Exception ex)
+			{
+				Serilog.Log.Logger.Error(ex, "Error adding series. {@DebugInfo}", new { seriesId });
+				throw;
+			}
+		}
 	}
 }

DtoImporterService/_importer notes.txt

@@ -0,0 +1,37 @@
+* Local (eg DbContext.Books.Local): indexes/hashes PK and nothing else. Local.Find(PK) is fast. All other searches (eg FirstOrDefault) have awful performance. It deceptively *feels* like we get this partially for free since added/modified entries live here.
+* live db: for all importers, fields used for lookup are indexed
+
+Using BookImporter as an example: since AudibleProductId is indexed, hitting the live db is much faster than using Local. Fastest is putting all in a local hash table
+
+Note: GetBook/GetBooks eager loads Series, category, et al
+
+for 1,200 iterations
+* load to LocalView
+  DbContext.Books.Local.FirstOrDefault(p => p.AudibleProductId == item.DtoItem.ProductId)
+  27,125 ms
+* read from live db
+  DbContext.Books.GetBook(item.DtoItem.ProductId)
+  12,224 ms
+* load to hash table: Dictionary<string, Book>
+  dictionary[item.DtoItem.ProductId];
+  1 ms (yes: ONE)
+
+With hashtable, somehow memory usage was not significantly affected
+
+-----------------------------------
+
+why were we using Local to begin with?
+
+articles suggest loading to Local with
+    context.Books.Load();
+this loads this table but not associated fields
+we want Books and associated fields
+    context.Books.GetBooks(b => remainingProductIds.Contains(b.AudibleProductId)).ToList();
+this is emulating Load() but with also getting associated fields
+			from: Microsoft.EntityFrameworkCore.EntityFrameworkQueryableExtensions
+			// Summary:
+			//     Enumerates the query. When using Entity Framework, this causes the results of
+			//     the query to be loaded into the associated context. This is equivalent to calling
+			//     ToList and then throwing away the list (without the overhead of actually creating
+			//     the list).
+			public static void Load<TSource>([NotNullAttribute] this IQueryable<TSource> source);

FileLiberator/AudioDecodable.cs

@@ -11,30 +11,33 @@ namespace FileLiberator
         public event EventHandler<byte[]> CoverImageDiscovered;
         public abstract void Cancel();
 
-        protected void OnRequestCoverArt(Action<byte[]> setCoverArtDel)
-		{
-            Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(RequestCoverArt) });
-            RequestCoverArt?.Invoke(this, setCoverArtDel);
-        }
-
-        protected void OnTitleDiscovered(string title)
+        protected void OnTitleDiscovered(string title) => OnTitleDiscovered(null, title);
+        protected void OnTitleDiscovered(object _, string title)
 		{
             Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(TitleDiscovered), Title = title });
             TitleDiscovered?.Invoke(this, title);
 		}
 
-        protected void OnAuthorsDiscovered(string authors)
+        protected void OnAuthorsDiscovered(string authors) => OnAuthorsDiscovered(null, authors);
+        protected void OnAuthorsDiscovered(object _, string authors)
 		{
             Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(AuthorsDiscovered), Authors = authors });
             AuthorsDiscovered?.Invoke(this, authors);
 		}
 
-        protected void OnNarratorsDiscovered(string narrators)
+        protected void OnNarratorsDiscovered(string narrators) => OnNarratorsDiscovered(null, narrators);
+        protected void OnNarratorsDiscovered(object _, string narrators)
 		{
             Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(NarratorsDiscovered), Narrators = narrators });
             NarratorsDiscovered?.Invoke(this, narrators);
 		}
 
+        protected void OnRequestCoverArt(Action<byte[]> setCoverArtDel)
+		{
+            Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(RequestCoverArt) });
+            RequestCoverArt?.Invoke(this, setCoverArtDel);
+        }
+
         protected void OnCoverImageDiscovered(byte[] coverImage)
 		{
             Serilog.Log.Logger.Debug("Event fired {@DebugInfo}", new { Name = nameof(CoverImageDiscovered), CoverImageBytes = coverImage?.Length });

FileLiberator/ConvertToMp3.cs

@@ -73,8 +73,8 @@ namespace FileLiberator
         private void M4bBook_ConversionProgressUpdate(object sender, ConversionProgressEventArgs e)
         {
             var duration = m4bBook.Duration;
-            double remainingSecsToProcess = (duration - e.ProcessPosition).TotalSeconds;
-            double estTimeRemaining = remainingSecsToProcess / e.ProcessSpeed;
+            var remainingSecsToProcess = (duration - e.ProcessPosition).TotalSeconds;
+            var estTimeRemaining = remainingSecsToProcess / e.ProcessSpeed;
 
             if (double.IsNormal(estTimeRemaining))
                 OnStreamingTimeRemaining(TimeSpan.FromSeconds(estTimeRemaining));

FileLiberator/DownloadDecryptBook.cs

@@ -128,21 +128,19 @@ namespace FileLiberator
                             outFileName, cacheDir, audiobookDlLic, outputFormat,
                             AudibleFileStorage.Audio.CreateMultipartRenamerFunc(libraryBook))
                         : new AaxcDownloadSingleConverter(outFileName, cacheDir, audiobookDlLic, outputFormat);
-                    converter.UpdateMetadata = aaxFile => aaxFile.AppleTags.Generes = string.Join(", ", libraryBook.Book.CategoriesNames);
+
+                    if (Configuration.Instance.AllowLibationFixup)
+                        converter.RetrievedMetadata += (_, tags) => tags.Generes = string.Join(", ", libraryBook.Book.CategoriesNames);
+
                     abDownloader = converter;
                 }
 
-                abDownloader
-                    = Configuration.Instance.SplitFilesByChapter ? new AaxcDownloadMultiConverter(
-                        outFileName, cacheDir, audiobookDlLic, outputFormat,
-                        AudibleFileStorage.Audio.CreateMultipartRenamerFunc(libraryBook)
-                        )
-                    : new AaxcDownloadSingleConverter(outFileName, cacheDir, audiobookDlLic, outputFormat);
-                abDownloader.DecryptProgressUpdate += (_, progress) => OnStreamingProgressChanged(progress);
-                abDownloader.DecryptTimeRemaining += (_, remaining) => OnStreamingTimeRemaining(remaining);
-                abDownloader.RetrievedTitle += (_, title) => OnTitleDiscovered(title);
-                abDownloader.RetrievedAuthors += (_, authors) => OnAuthorsDiscovered(authors);
-                abDownloader.RetrievedNarrators += (_, narrators) => OnNarratorsDiscovered(narrators);
+                abDownloader.DecryptProgressUpdate += OnStreamingProgressChanged;
+                abDownloader.DecryptTimeRemaining += OnStreamingTimeRemaining;
+
+                abDownloader.RetrievedTitle += OnTitleDiscovered;
+                abDownloader.RetrievedAuthors += OnAuthorsDiscovered;
+                abDownloader.RetrievedNarrators += OnNarratorsDiscovered;
                 abDownloader.RetrievedCoverArt += AaxcDownloader_RetrievedCoverArt;
                 abDownloader.FileCreated += (_, path) => OnFileCreated(libraryBook, path);
 
@@ -178,7 +176,7 @@ namespace FileLiberator
                 throw new Exception(errorString("Locale"));
         }
 
-        private void AaxcDownloader_RetrievedCoverArt(object sender, byte[] e)
+        private void AaxcDownloader_RetrievedCoverArt(object _, byte[] e)
         {
             if (e is not null)
                 OnCoverImageDiscovered(e);

FileLiberator/DownloadFile.cs

@@ -12,8 +12,7 @@ namespace FileLiberator
 		{
 			var client = new HttpClient();
 
-			var progress = new Progress<DownloadProgress>();
-			progress.ProgressChanged += (_, e) => OnStreamingProgressChanged(e);
+			var progress = new Progress<DownloadProgress>(OnStreamingProgressChanged);
 
 			OnStreamingBegin(proposedDownloadFilePath);
 

FileLiberator/DownloadPdf.cs

@@ -62,8 +62,7 @@ namespace FileLiberator
 				var api = await libraryBook.GetApiAsync();
 				var downloadUrl = await api.GetPdfDownloadLinkAsync(libraryBook.Book.AudibleProductId);
 
-				var progress = new Progress<DownloadProgress>();
-				progress.ProgressChanged += (_, e) => OnStreamingProgressChanged(e);
+				var progress = new Progress<DownloadProgress>(OnStreamingProgressChanged);
 
 				var client = new HttpClient();
 

FileLiberator/Streamable.cs

@@ -18,12 +18,14 @@ namespace FileLiberator
             StreamingBegin?.Invoke(this, filePath);
         }
 
-        protected void OnStreamingProgressChanged(DownloadProgress progress)
+        protected void OnStreamingProgressChanged(DownloadProgress progress) => OnStreamingProgressChanged(null, progress);
+        protected void OnStreamingProgressChanged(object _, DownloadProgress progress)
         {
             StreamingProgressChanged?.Invoke(this, progress);
         }
 
-        protected void OnStreamingTimeRemaining(TimeSpan timeRemaining)
+        protected void OnStreamingTimeRemaining(TimeSpan timeRemaining) => OnStreamingTimeRemaining(null, timeRemaining);
+        protected void OnStreamingTimeRemaining(object _, TimeSpan timeRemaining)
         {
             StreamingTimeRemaining?.Invoke(this, timeRemaining);
         }

FileManager/FileManager.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Dinah.Core" Version="4.0.4.1" />
+    <PackageReference Include="Dinah.Core" Version="4.0.6.1" />
     <PackageReference Include="Polly" Version="7.2.3" />
   </ItemGroup>
 

LibationCli/Options/ScanOptions.cs

@@ -35,7 +35,8 @@ namespace LibationCli
 			var (TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync((a) => ApiExtended.CreateAsync(a), _accounts);
 
 			Console.WriteLine("Scan complete.");
-			Console.WriteLine($"Total processed: {TotalBooksProcessed}\r\nNew: {NewBooksAdded}");
+			Console.WriteLine($"Total processed: {TotalBooksProcessed}");
+			Console.WriteLine($"New: {NewBooksAdded}");
 		}
 
 		private Account[] getAccounts()

LibationFileManager/AudibleFileStorage.cs

@@ -78,7 +78,7 @@ namespace LibationFileManager
                 .FirstOrDefault(s => regex.IsMatch(s));
         }
 
-        public bool Exists(string productId) => GetFilePath(productId) != null;
+        public bool Exists(string productId) => GetFilePath(productId) is not null;
     }
 
     public class AudioFileStorage : AudibleFileStorage

LibationFileManager/FilePathCache.cs

@@ -42,7 +42,7 @@ namespace LibationFileManager
 			}
         }
 
-        public static bool Exists(string id, FileType type) => GetFirstPath(id, type) != null;
+        public static bool Exists(string id, FileType type) => GetFirstPath(id, type) is not null;
 
 		public static List<(FileType fileType, string path)> GetFiles(string id)
 			=> getEntries(entry => entry.Id == id)

LibationFileManager/PictureStorage.cs

@@ -70,7 +70,7 @@ namespace LibationFileManager
 		{
 			lock (cacheLocker)
 			{
-				if (!cache.ContainsKey(def) || cache[def] == null)
+				if (!cache.ContainsKey(def) || cache[def] is null)
 				{
 					var path = getPath(def);
 					var bytes

LibationFileManager/QuickFilters.cs

@@ -9,6 +9,8 @@ namespace LibationFileManager
 {
     public static class QuickFilters
     {
+        public static event EventHandler Updated;
+
         internal class FilterState
         {
             public bool UseDefault { get; set; }
@@ -34,7 +36,7 @@ namespace LibationFileManager
                 lock (locker)
                 {
                     inMemoryState.UseDefault = value;
-                    save();
+                    save(false);
                 }
             }
         }
@@ -97,7 +99,7 @@ namespace LibationFileManager
         private static object locker { get; } = new object();
 
         // ONLY call this within lock()
-        private static void save()
+        private static void save(bool invokeUpdatedEvent = true)
         {
             // create json if not exists
             void resave() => File.WriteAllText(JsonFile, JsonConvert.SerializeObject(inMemoryState, Formatting.Indented));
@@ -111,6 +113,9 @@ namespace LibationFileManager
 					throw;
 				}
 			}
+
+            if (invokeUpdatedEvent)
+                Updated?.Invoke(null, null);
         }
     }
 }

LibationSearchEngine/LuceneExtensions.cs

@@ -16,7 +16,7 @@ namespace LibationSearchEngine
 
         internal static void AddAnalyzed(this Document document, string name, string value)
         {
-            if (value != null)
+            if (value is not null)
                 document.Add(new Field(name.ToLowerInvariant(), value, Field.Store.YES, Field.Index.ANALYZED));
         }
 

LibationSearchEngine/SearchEngine.cs

@@ -70,11 +70,11 @@ namespace LibationSearchEngine
                             .Select(s => s.Series.AudibleSeriesId)),
                     ["SeriesId"] = lb => string.Join(", ", lb.Book.SeriesLink.Select(s => s.Series.AudibleSeriesId)),
 
-                    [nameof(Book.CategoriesNames)] = lb => lb.Book.CategoriesIds == null ? null : string.Join(", ", lb.Book.CategoriesIds),
-                    [nameof(Book.Category)] = lb => lb.Book.CategoriesIds == null ? null : string.Join(", ", lb.Book.CategoriesIds),
-                    ["Categories"] = lb => lb.Book.CategoriesIds == null ? null : string.Join(", ", lb.Book.CategoriesIds),
-                    ["CategoriesId"] = lb => lb.Book.CategoriesIds == null ? null : string.Join(", ", lb.Book.CategoriesIds),
-                    ["CategoryId"] = lb => lb.Book.CategoriesIds == null ? null : string.Join(", ", lb.Book.CategoriesIds),
+                    [nameof(Book.CategoriesNames)] = lb => lb.Book.CategoriesIds is null ? null : string.Join(", ", lb.Book.CategoriesIds),
+                    [nameof(Book.Category)] = lb => lb.Book.CategoriesIds is null ? null : string.Join(", ", lb.Book.CategoriesIds),
+                    ["Categories"] = lb => lb.Book.CategoriesIds is null ? null : string.Join(", ", lb.Book.CategoriesIds),
+                    ["CategoriesId"] = lb => lb.Book.CategoriesIds is null ? null : string.Join(", ", lb.Book.CategoriesIds),
+                    ["CategoryId"] = lb => lb.Book.CategoriesIds is null ? null : string.Join(", ", lb.Book.CategoriesIds),
 
                     [TAGS.FirstCharToUpper()] = lb => lb.Book.UserDefinedItem.Tags,
 
@@ -314,7 +314,7 @@ namespace LibationSearchEngine
             var query = new TermQuery(productTerm);
             var docs = searcher.Search(query, 1);
             var scoreDoc = docs.ScoreDocs.SingleOrDefault();
-            if (scoreDoc == null)
+            if (scoreDoc is null)
                 return;
             var document = searcher.Doc(scoreDoc.Doc);
 

LibationWinForms/BookLiberation/AudioDecodeForm.cs

@@ -14,11 +14,6 @@ namespace LibationWinForms.BookLiberation
 
 		private Func<byte[]> GetCoverArtDelegate;
 
-		// book info
-		private string title;
-		private string authorNames;
-		private string narratorNames;
-
 		#region Processable event handler overrides
 		public override void Processable_Begin(object sender, LibraryBook libraryBook)
 		{
@@ -31,8 +26,8 @@ namespace LibationWinForms.BookLiberation
 
 			//Set default values from library
 			AudioDecodable_TitleDiscovered(sender, libraryBook.Book.Title);
-			AudioDecodable_AuthorsDiscovered(sender, string.Join(", ", libraryBook.Book.Authors));
-			AudioDecodable_NarratorsDiscovered(sender, string.Join(", ", libraryBook.Book.NarratorNames));
+			AudioDecodable_AuthorsDiscovered(sender, libraryBook.Book.AuthorNames);
+			AudioDecodable_NarratorsDiscovered(sender, libraryBook.Book.NarratorNames);
 			AudioDecodable_CoverImageDiscovered(sender,
 					PictureStorage.GetPicture(
 						new PictureDefinition(
@@ -60,14 +55,23 @@ namespace LibationWinForms.BookLiberation
 			updateRemainingTime((int)timeRemaining.TotalSeconds);
 		}
 
+		private void updateRemainingTime(int remaining)
+			=> remainingTimeLbl.UIThreadAsync(() => remainingTimeLbl.Text = $"ETA:\r\n{formatTime(remaining)}");
+
+		private string formatTime(int seconds)
+		{
+			var timeSpan = new TimeSpan(0, 0, seconds);
+			return
+				timeSpan.TotalHours >= 1 ? $"{timeSpan:%h}h {timeSpan:mm}m {timeSpan:ss}s"
+				: timeSpan.TotalMinutes >= 1 ? $"{timeSpan:%m}m {timeSpan:ss}s"
+				: $"{seconds} sec";
+		}
 		#endregion
 
 		#region AudioDecodable event handlers
-		public override void AudioDecodable_RequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate)
-		{
-			base.AudioDecodable_RequestCoverArt(sender, setCoverArtDelegate);
-			setCoverArtDelegate(GetCoverArtDelegate?.Invoke());
-		}
+		private string title;
+		private string authorNames;
+		private string narratorNames;
 
 		public override void AudioDecodable_TitleDiscovered(object sender, string title)
 		{
@@ -91,27 +95,20 @@ namespace LibationWinForms.BookLiberation
 			updateBookInfo();
 		}
 
+		private void updateBookInfo()
+			=> bookInfoLbl.UIThreadAsync(() => bookInfoLbl.Text = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}");
+
+		public override void AudioDecodable_RequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate)
+		{
+			base.AudioDecodable_RequestCoverArt(sender, setCoverArtDelegate);
+			setCoverArtDelegate(GetCoverArtDelegate?.Invoke());
+		}
+
 		public override void AudioDecodable_CoverImageDiscovered(object sender, byte[] coverArt)
 		{
 			base.AudioDecodable_CoverImageDiscovered(sender, coverArt);
 			pictureBox1.UIThreadAsync(() => pictureBox1.Image = Dinah.Core.Drawing.ImageReader.ToImage(coverArt));
 		}
 		#endregion
-
-		// thread-safe UI updates
-		private void updateBookInfo()
-			=> bookInfoLbl.UIThreadAsync(() => bookInfoLbl.Text = $"{title}\r\nBy {authorNames}\r\nNarrated by {narratorNames}");
-
-		private void updateRemainingTime(int remaining)
-			=> remainingTimeLbl.UIThreadAsync(() => remainingTimeLbl.Text = $"ETA:\r\n{formatTime(remaining)}");
-
-		private string formatTime(int seconds)
-		{
-			var timeSpan = new TimeSpan(0, 0, seconds);
-			return
-				timeSpan.TotalHours >= 1 ? $"{timeSpan:%h}h {timeSpan:mm}m {timeSpan:ss}s"
-				: timeSpan.TotalMinutes >= 1 ? $"{timeSpan:%m}m {timeSpan:ss}s"
-				: $"{seconds} sec";
-		}
 	}
 }

LibationWinForms/BookLiberation/BaseForms/LiberationBaseForm.cs

@@ -152,11 +152,12 @@ namespace LibationWinForms.BookLiberation.BaseForms
 		#endregion
 
 		#region AudioDecodable event handlers
-		public virtual void AudioDecodable_RequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate) { }
 		public virtual void AudioDecodable_TitleDiscovered(object sender, string title) { }
 		public virtual void AudioDecodable_AuthorsDiscovered(object sender, string authors) { }
 		public virtual void AudioDecodable_NarratorsDiscovered(object sender, string narrators) { }
+
 		public virtual void AudioDecodable_CoverImageDiscovered(object sender, byte[] coverArt) { }
+		public virtual void AudioDecodable_RequestCoverArt(object sender, Action<byte[]> setCoverArtDelegate) { }
 		#endregion
 	}
 }

LibationWinForms/Dialogs/EditQuickFilters.cs

@@ -53,7 +53,6 @@ namespace LibationWinForms.Dialogs
 				.ToList();
 			QuickFilters.ReplaceAll(list);
 
-			_parent.UpdateFilterDropDown();
 			this.DialogResult = DialogResult.OK;
 			this.Close();
 		}

LibationWinForms/Dialogs/IndexLibraryDialog.cs

@@ -22,7 +22,7 @@ namespace LibationWinForms.Dialogs
 
 		private async void IndexLibraryDialog_Shown(object sender, EventArgs e)
 		{
-			if (_accounts != null && _accounts.Length > 0)
+			if (_accounts is not null && _accounts.Length > 0)
 			{
 				this.label1.Text
 					= (_accounts.Length == 1)
@@ -31,7 +31,7 @@ namespace LibationWinForms.Dialogs
 
 				try
 				{
-					(TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync((account) => ApiExtended.CreateAsync(account, new WinformLoginChoiceEager(account)), _accounts);
+					(TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.ImportAccountAsync(account => ApiExtended.CreateAsync(account, new WinformLoginChoiceEager(account)), _accounts);
 				}
 				catch (Exception ex)
 				{

LibationWinForms/Dialogs/RemoveBooksDialog.cs

@@ -17,9 +17,9 @@ namespace LibationWinForms.Dialogs
 	public partial class RemoveBooksDialog : Form
 	{
 		private Account[] _accounts { get; }
-		private readonly List<LibraryBook> _libraryBooks;
-		private readonly SortableBindingList<RemovableGridEntry> _removableGridEntries;
-		private readonly string _labelFormat;
+		private List<LibraryBook> _libraryBooks { get; }
+		private SortableBindingList<RemovableGridEntry> _removableGridEntries { get; }
+		private string _labelFormat { get; }
 		private int SelectedCount => SelectedEntries?.Count() ?? 0;
 		private IEnumerable<RemovableGridEntry> SelectedEntries => _removableGridEntries?.Where(b => b.Remove);
 
@@ -58,7 +58,7 @@ namespace LibationWinForms.Dialogs
 
 		private async void RemoveBooksDialog_Shown(object sender, EventArgs e)
 		{
-			if (_accounts == null || _accounts.Length == 0)
+			if (_accounts is null || _accounts.Length == 0)
 				return;
 			try
 			{

LibationWinForms/Form1.Designer.cs

@@ -28,338 +28,354 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
-			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
-			this.gridPanel = new System.Windows.Forms.Panel();
-			this.filterHelpBtn = new System.Windows.Forms.Button();
-			this.filterBtn = new System.Windows.Forms.Button();
-			this.filterSearchTb = new System.Windows.Forms.TextBox();
-			this.menuStrip1 = new System.Windows.Forms.MenuStrip();
-			this.importToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.noAccountsYetAddAccountToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.scanLibraryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.scanLibraryOfAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.scanLibraryOfSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.removeLibraryBooksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.removeAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.removeSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.liberateToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.beginBookBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.beginPdfBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.convertAllM4bToMp3ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.exportToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.exportLibraryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.quickFiltersToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.firstFilterIsDefaultToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.editQuickFiltersToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
-			this.settingsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.accountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.basicSettingsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
-			this.statusStrip1 = new System.Windows.Forms.StatusStrip();
-			this.visibleCountLbl = new System.Windows.Forms.ToolStripStatusLabel();
-			this.springLbl = new System.Windows.Forms.ToolStripStatusLabel();
-			this.backupsCountsLbl = new System.Windows.Forms.ToolStripStatusLabel();
-			this.pdfsCountsLbl = new System.Windows.Forms.ToolStripStatusLabel();
-			this.addFilterBtn = new System.Windows.Forms.Button();
-			this.menuStrip1.SuspendLayout();
-			this.statusStrip1.SuspendLayout();
-			this.SuspendLayout();
-			// 
-			// gridPanel
-			// 
-			this.gridPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
+            this.gridPanel = new System.Windows.Forms.Panel();
+            this.filterHelpBtn = new System.Windows.Forms.Button();
+            this.filterBtn = new System.Windows.Forms.Button();
+            this.filterSearchTb = new System.Windows.Forms.TextBox();
+            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
+            this.importToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.noAccountsYetAddAccountToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.scanLibraryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.scanLibraryOfAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.scanLibraryOfSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.removeLibraryBooksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.removeAllAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.removeSomeAccountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.liberateToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.beginBookBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.beginPdfBackupsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.convertAllM4bToMp3ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.exportToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.exportLibraryToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.quickFiltersToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.firstFilterIsDefaultToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.editQuickFiltersToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
+            this.settingsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.accountsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.basicSettingsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.statusStrip1 = new System.Windows.Forms.StatusStrip();
+            this.visibleCountLbl = new System.Windows.Forms.ToolStripStatusLabel();
+            this.springLbl = new System.Windows.Forms.ToolStripStatusLabel();
+            this.backupsCountsLbl = new System.Windows.Forms.ToolStripStatusLabel();
+            this.pdfsCountsLbl = new System.Windows.Forms.ToolStripStatusLabel();
+            this.addFilterBtn = new System.Windows.Forms.Button();
+            this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
+            this.aboutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.menuStrip1.SuspendLayout();
+            this.statusStrip1.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // gridPanel
+            // 
+            this.gridPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
             | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-			this.gridPanel.Location = new System.Drawing.Point(14, 65);
-			this.gridPanel.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.gridPanel.Name = "gridPanel";
-			this.gridPanel.Size = new System.Drawing.Size(979, 445);
-			this.gridPanel.TabIndex = 5;
-			// 
-			// filterHelpBtn
-			// 
-			this.filterHelpBtn.Location = new System.Drawing.Point(14, 31);
-			this.filterHelpBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.filterHelpBtn.Name = "filterHelpBtn";
-			this.filterHelpBtn.Size = new System.Drawing.Size(26, 27);
-			this.filterHelpBtn.TabIndex = 3;
-			this.filterHelpBtn.Text = "?";
-			this.filterHelpBtn.UseVisualStyleBackColor = true;
-			this.filterHelpBtn.Click += new System.EventHandler(this.filterHelpBtn_Click);
-			// 
-			// filterBtn
-			// 
-			this.filterBtn.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
-			this.filterBtn.Location = new System.Drawing.Point(905, 31);
-			this.filterBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.filterBtn.Name = "filterBtn";
-			this.filterBtn.Size = new System.Drawing.Size(88, 27);
-			this.filterBtn.TabIndex = 2;
-			this.filterBtn.Text = "Filter";
-			this.filterBtn.UseVisualStyleBackColor = true;
-			this.filterBtn.Click += new System.EventHandler(this.filterBtn_Click);
-			// 
-			// filterSearchTb
-			// 
-			this.filterSearchTb.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.gridPanel.Location = new System.Drawing.Point(14, 65);
+            this.gridPanel.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.gridPanel.Name = "gridPanel";
+            this.gridPanel.Size = new System.Drawing.Size(979, 445);
+            this.gridPanel.TabIndex = 5;
+            // 
+            // filterHelpBtn
+            // 
+            this.filterHelpBtn.Location = new System.Drawing.Point(14, 31);
+            this.filterHelpBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.filterHelpBtn.Name = "filterHelpBtn";
+            this.filterHelpBtn.Size = new System.Drawing.Size(26, 27);
+            this.filterHelpBtn.TabIndex = 3;
+            this.filterHelpBtn.Text = "?";
+            this.filterHelpBtn.UseVisualStyleBackColor = true;
+            this.filterHelpBtn.Click += new System.EventHandler(this.filterHelpBtn_Click);
+            // 
+            // filterBtn
+            // 
+            this.filterBtn.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.filterBtn.Location = new System.Drawing.Point(905, 31);
+            this.filterBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.filterBtn.Name = "filterBtn";
+            this.filterBtn.Size = new System.Drawing.Size(88, 27);
+            this.filterBtn.TabIndex = 2;
+            this.filterBtn.Text = "Filter";
+            this.filterBtn.UseVisualStyleBackColor = true;
+            this.filterBtn.Click += new System.EventHandler(this.filterBtn_Click);
+            // 
+            // filterSearchTb
+            // 
+            this.filterSearchTb.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-			this.filterSearchTb.Location = new System.Drawing.Point(217, 33);
-			this.filterSearchTb.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.filterSearchTb.Name = "filterSearchTb";
-			this.filterSearchTb.Size = new System.Drawing.Size(681, 23);
-			this.filterSearchTb.TabIndex = 1;
-			this.filterSearchTb.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.filterSearchTb_KeyPress);
-			// 
-			// menuStrip1
-			// 
-			this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.filterSearchTb.Location = new System.Drawing.Point(217, 33);
+            this.filterSearchTb.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.filterSearchTb.Name = "filterSearchTb";
+            this.filterSearchTb.Size = new System.Drawing.Size(681, 23);
+            this.filterSearchTb.TabIndex = 1;
+            this.filterSearchTb.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.filterSearchTb_KeyPress);
+            // 
+            // menuStrip1
+            // 
+            this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.importToolStripMenuItem,
             this.liberateToolStripMenuItem,
             this.exportToolStripMenuItem,
             this.quickFiltersToolStripMenuItem,
             this.settingsToolStripMenuItem});
-			this.menuStrip1.Location = new System.Drawing.Point(0, 0);
-			this.menuStrip1.Name = "menuStrip1";
-			this.menuStrip1.Padding = new System.Windows.Forms.Padding(7, 2, 0, 2);
-			this.menuStrip1.Size = new System.Drawing.Size(1007, 24);
-			this.menuStrip1.TabIndex = 0;
-			this.menuStrip1.Text = "menuStrip1";
-			// 
-			// importToolStripMenuItem
-			// 
-			this.importToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
+            this.menuStrip1.Name = "menuStrip1";
+            this.menuStrip1.Padding = new System.Windows.Forms.Padding(7, 2, 0, 2);
+            this.menuStrip1.Size = new System.Drawing.Size(1007, 24);
+            this.menuStrip1.TabIndex = 0;
+            this.menuStrip1.Text = "menuStrip1";
+            // 
+            // importToolStripMenuItem
+            // 
+            this.importToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.noAccountsYetAddAccountToolStripMenuItem,
             this.scanLibraryToolStripMenuItem,
             this.scanLibraryOfAllAccountsToolStripMenuItem,
             this.scanLibraryOfSomeAccountsToolStripMenuItem,
             this.removeLibraryBooksToolStripMenuItem});
-			this.importToolStripMenuItem.Name = "importToolStripMenuItem";
-			this.importToolStripMenuItem.Size = new System.Drawing.Size(55, 20);
-			this.importToolStripMenuItem.Text = "&Import";
-			// 
-			// noAccountsYetAddAccountToolStripMenuItem
-			// 
-			this.noAccountsYetAddAccountToolStripMenuItem.Name = "noAccountsYetAddAccountToolStripMenuItem";
-			this.noAccountsYetAddAccountToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
-			this.noAccountsYetAddAccountToolStripMenuItem.Text = "No accounts yet. A&dd Account...";
-			this.noAccountsYetAddAccountToolStripMenuItem.Click += new System.EventHandler(this.noAccountsYetAddAccountToolStripMenuItem_Click);
-			// 
-			// scanLibraryToolStripMenuItem
-			// 
-			this.scanLibraryToolStripMenuItem.Name = "scanLibraryToolStripMenuItem";
-			this.scanLibraryToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
-			this.scanLibraryToolStripMenuItem.Text = "Scan &Library";
-			this.scanLibraryToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryToolStripMenuItem_Click);
-			// 
-			// scanLibraryOfAllAccountsToolStripMenuItem
-			// 
-			this.scanLibraryOfAllAccountsToolStripMenuItem.Name = "scanLibraryOfAllAccountsToolStripMenuItem";
-			this.scanLibraryOfAllAccountsToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
-			this.scanLibraryOfAllAccountsToolStripMenuItem.Text = "Scan Library of &All Accounts";
-			this.scanLibraryOfAllAccountsToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryOfAllAccountsToolStripMenuItem_Click);
-			// 
-			// scanLibraryOfSomeAccountsToolStripMenuItem
-			// 
-			this.scanLibraryOfSomeAccountsToolStripMenuItem.Name = "scanLibraryOfSomeAccountsToolStripMenuItem";
-			this.scanLibraryOfSomeAccountsToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
-			this.scanLibraryOfSomeAccountsToolStripMenuItem.Text = "Scan Library of &Some Accounts...";
-			this.scanLibraryOfSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryOfSomeAccountsToolStripMenuItem_Click);
-			// 
-			// removeLibraryBooksToolStripMenuItem
-			// 
-			this.removeLibraryBooksToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.importToolStripMenuItem.Name = "importToolStripMenuItem";
+            this.importToolStripMenuItem.Size = new System.Drawing.Size(55, 20);
+            this.importToolStripMenuItem.Text = "&Import";
+            // 
+            // noAccountsYetAddAccountToolStripMenuItem
+            // 
+            this.noAccountsYetAddAccountToolStripMenuItem.Name = "noAccountsYetAddAccountToolStripMenuItem";
+            this.noAccountsYetAddAccountToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+            this.noAccountsYetAddAccountToolStripMenuItem.Text = "No accounts yet. A&dd Account...";
+            this.noAccountsYetAddAccountToolStripMenuItem.Click += new System.EventHandler(this.noAccountsYetAddAccountToolStripMenuItem_Click);
+            // 
+            // scanLibraryToolStripMenuItem
+            // 
+            this.scanLibraryToolStripMenuItem.Name = "scanLibraryToolStripMenuItem";
+            this.scanLibraryToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+            this.scanLibraryToolStripMenuItem.Text = "Scan &Library";
+            this.scanLibraryToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryToolStripMenuItem_Click);
+            // 
+            // scanLibraryOfAllAccountsToolStripMenuItem
+            // 
+            this.scanLibraryOfAllAccountsToolStripMenuItem.Name = "scanLibraryOfAllAccountsToolStripMenuItem";
+            this.scanLibraryOfAllAccountsToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+            this.scanLibraryOfAllAccountsToolStripMenuItem.Text = "Scan Library of &All Accounts";
+            this.scanLibraryOfAllAccountsToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryOfAllAccountsToolStripMenuItem_Click);
+            // 
+            // scanLibraryOfSomeAccountsToolStripMenuItem
+            // 
+            this.scanLibraryOfSomeAccountsToolStripMenuItem.Name = "scanLibraryOfSomeAccountsToolStripMenuItem";
+            this.scanLibraryOfSomeAccountsToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+            this.scanLibraryOfSomeAccountsToolStripMenuItem.Text = "Scan Library of &Some Accounts...";
+            this.scanLibraryOfSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.scanLibraryOfSomeAccountsToolStripMenuItem_Click);
+            // 
+            // removeLibraryBooksToolStripMenuItem
+            // 
+            this.removeLibraryBooksToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.removeAllAccountsToolStripMenuItem,
             this.removeSomeAccountsToolStripMenuItem});
-			this.removeLibraryBooksToolStripMenuItem.Name = "removeLibraryBooksToolStripMenuItem";
-			this.removeLibraryBooksToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
-			this.removeLibraryBooksToolStripMenuItem.Text = "Remove Library Books";
-			this.removeLibraryBooksToolStripMenuItem.Click += new System.EventHandler(this.removeLibraryBooksToolStripMenuItem_Click);
-			// 
-			// removeAllAccountsToolStripMenuItem
-			// 
-			this.removeAllAccountsToolStripMenuItem.Name = "removeAllAccountsToolStripMenuItem";
-			this.removeAllAccountsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
-			this.removeAllAccountsToolStripMenuItem.Text = "All Accounts";
-			this.removeAllAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeAllAccountsToolStripMenuItem_Click);
-			// 
-			// removeSomeAccountsToolStripMenuItem
-			// 
-			this.removeSomeAccountsToolStripMenuItem.Name = "removeSomeAccountsToolStripMenuItem";
-			this.removeSomeAccountsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
-			this.removeSomeAccountsToolStripMenuItem.Text = "Some Accounts";
-			this.removeSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeSomeAccountsToolStripMenuItem_Click);
-			// 
-			// liberateToolStripMenuItem
-			// 
-			this.liberateToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.removeLibraryBooksToolStripMenuItem.Name = "removeLibraryBooksToolStripMenuItem";
+            this.removeLibraryBooksToolStripMenuItem.Size = new System.Drawing.Size(247, 22);
+            this.removeLibraryBooksToolStripMenuItem.Text = "Remove Library Books";
+            this.removeLibraryBooksToolStripMenuItem.Click += new System.EventHandler(this.removeLibraryBooksToolStripMenuItem_Click);
+            // 
+            // removeAllAccountsToolStripMenuItem
+            // 
+            this.removeAllAccountsToolStripMenuItem.Name = "removeAllAccountsToolStripMenuItem";
+            this.removeAllAccountsToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.removeAllAccountsToolStripMenuItem.Text = "All Accounts";
+            this.removeAllAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeAllAccountsToolStripMenuItem_Click);
+            // 
+            // removeSomeAccountsToolStripMenuItem
+            // 
+            this.removeSomeAccountsToolStripMenuItem.Name = "removeSomeAccountsToolStripMenuItem";
+            this.removeSomeAccountsToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.removeSomeAccountsToolStripMenuItem.Text = "Some Accounts";
+            this.removeSomeAccountsToolStripMenuItem.Click += new System.EventHandler(this.removeSomeAccountsToolStripMenuItem_Click);
+            // 
+            // liberateToolStripMenuItem
+            // 
+            this.liberateToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.beginBookBackupsToolStripMenuItem,
             this.beginPdfBackupsToolStripMenuItem,
             this.convertAllM4bToMp3ToolStripMenuItem});
-			this.liberateToolStripMenuItem.Name = "liberateToolStripMenuItem";
-			this.liberateToolStripMenuItem.Size = new System.Drawing.Size(61, 20);
-			this.liberateToolStripMenuItem.Text = "&Liberate";
-			// 
-			// beginBookBackupsToolStripMenuItem
-			// 
-			this.beginBookBackupsToolStripMenuItem.Name = "beginBookBackupsToolStripMenuItem";
-			this.beginBookBackupsToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
-			this.beginBookBackupsToolStripMenuItem.Text = "Begin &Book and PDF Backups: {0}";
-			this.beginBookBackupsToolStripMenuItem.Click += new System.EventHandler(this.beginBookBackupsToolStripMenuItem_Click);
-			// 
-			// beginPdfBackupsToolStripMenuItem
-			// 
-			this.beginPdfBackupsToolStripMenuItem.Name = "beginPdfBackupsToolStripMenuItem";
-			this.beginPdfBackupsToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
-			this.beginPdfBackupsToolStripMenuItem.Text = "Begin &PDF Only Backups: {0}";
-			this.beginPdfBackupsToolStripMenuItem.Click += new System.EventHandler(this.beginPdfBackupsToolStripMenuItem_Click);
-			// 
-			// convertAllM4bToMp3ToolStripMenuItem
-			// 
-			this.convertAllM4bToMp3ToolStripMenuItem.Name = "convertAllM4bToMp3ToolStripMenuItem";
-			this.convertAllM4bToMp3ToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
-			this.convertAllM4bToMp3ToolStripMenuItem.Text = "Convert all M4b to Mp3 [Long-running]...";
-			this.convertAllM4bToMp3ToolStripMenuItem.Click += new System.EventHandler(this.convertAllM4bToMp3ToolStripMenuItem_Click);
-			// 
-			// exportToolStripMenuItem
-			// 
-			this.exportToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.liberateToolStripMenuItem.Name = "liberateToolStripMenuItem";
+            this.liberateToolStripMenuItem.Size = new System.Drawing.Size(61, 20);
+            this.liberateToolStripMenuItem.Text = "&Liberate";
+            // 
+            // beginBookBackupsToolStripMenuItem
+            // 
+            this.beginBookBackupsToolStripMenuItem.Name = "beginBookBackupsToolStripMenuItem";
+            this.beginBookBackupsToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
+            this.beginBookBackupsToolStripMenuItem.Text = "Begin &Book and PDF Backups: {0}";
+            this.beginBookBackupsToolStripMenuItem.Click += new System.EventHandler(this.beginBookBackupsToolStripMenuItem_Click);
+            // 
+            // beginPdfBackupsToolStripMenuItem
+            // 
+            this.beginPdfBackupsToolStripMenuItem.Name = "beginPdfBackupsToolStripMenuItem";
+            this.beginPdfBackupsToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
+            this.beginPdfBackupsToolStripMenuItem.Text = "Begin &PDF Only Backups: {0}";
+            this.beginPdfBackupsToolStripMenuItem.Click += new System.EventHandler(this.beginPdfBackupsToolStripMenuItem_Click);
+            // 
+            // convertAllM4bToMp3ToolStripMenuItem
+            // 
+            this.convertAllM4bToMp3ToolStripMenuItem.Name = "convertAllM4bToMp3ToolStripMenuItem";
+            this.convertAllM4bToMp3ToolStripMenuItem.Size = new System.Drawing.Size(293, 22);
+            this.convertAllM4bToMp3ToolStripMenuItem.Text = "Convert all M4b to Mp3 [Long-running]...";
+            this.convertAllM4bToMp3ToolStripMenuItem.Click += new System.EventHandler(this.convertAllM4bToMp3ToolStripMenuItem_Click);
+            // 
+            // exportToolStripMenuItem
+            // 
+            this.exportToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.exportLibraryToolStripMenuItem});
-			this.exportToolStripMenuItem.Name = "exportToolStripMenuItem";
-			this.exportToolStripMenuItem.Size = new System.Drawing.Size(53, 20);
-			this.exportToolStripMenuItem.Text = "E&xport";
-			// 
-			// exportLibraryToolStripMenuItem
-			// 
-			this.exportLibraryToolStripMenuItem.Name = "exportLibraryToolStripMenuItem";
-			this.exportLibraryToolStripMenuItem.Size = new System.Drawing.Size(156, 22);
-			this.exportLibraryToolStripMenuItem.Text = "E&xport Library...";
-			this.exportLibraryToolStripMenuItem.Click += new System.EventHandler(this.exportLibraryToolStripMenuItem_Click);
-			// 
-			// quickFiltersToolStripMenuItem
-			// 
-			this.quickFiltersToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.exportToolStripMenuItem.Name = "exportToolStripMenuItem";
+            this.exportToolStripMenuItem.Size = new System.Drawing.Size(53, 20);
+            this.exportToolStripMenuItem.Text = "E&xport";
+            // 
+            // exportLibraryToolStripMenuItem
+            // 
+            this.exportLibraryToolStripMenuItem.Name = "exportLibraryToolStripMenuItem";
+            this.exportLibraryToolStripMenuItem.Size = new System.Drawing.Size(156, 22);
+            this.exportLibraryToolStripMenuItem.Text = "E&xport Library...";
+            this.exportLibraryToolStripMenuItem.Click += new System.EventHandler(this.exportLibraryToolStripMenuItem_Click);
+            // 
+            // quickFiltersToolStripMenuItem
+            // 
+            this.quickFiltersToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.firstFilterIsDefaultToolStripMenuItem,
             this.editQuickFiltersToolStripMenuItem,
             this.toolStripSeparator1});
-			this.quickFiltersToolStripMenuItem.Name = "quickFiltersToolStripMenuItem";
-			this.quickFiltersToolStripMenuItem.Size = new System.Drawing.Size(84, 20);
-			this.quickFiltersToolStripMenuItem.Text = "Quick &Filters";
-			// 
-			// firstFilterIsDefaultToolStripMenuItem
-			// 
-			this.firstFilterIsDefaultToolStripMenuItem.Name = "firstFilterIsDefaultToolStripMenuItem";
-			this.firstFilterIsDefaultToolStripMenuItem.Size = new System.Drawing.Size(256, 22);
-			this.firstFilterIsDefaultToolStripMenuItem.Text = "Start Libation with 1st filter &Default";
-			this.firstFilterIsDefaultToolStripMenuItem.Click += new System.EventHandler(this.FirstFilterIsDefaultToolStripMenuItem_Click);
-			// 
-			// editQuickFiltersToolStripMenuItem
-			// 
-			this.editQuickFiltersToolStripMenuItem.Name = "editQuickFiltersToolStripMenuItem";
-			this.editQuickFiltersToolStripMenuItem.Size = new System.Drawing.Size(256, 22);
-			this.editQuickFiltersToolStripMenuItem.Text = "&Edit quick filters...";
-			this.editQuickFiltersToolStripMenuItem.Click += new System.EventHandler(this.EditQuickFiltersToolStripMenuItem_Click);
-			// 
-			// toolStripSeparator1
-			// 
-			this.toolStripSeparator1.Name = "toolStripSeparator1";
-			this.toolStripSeparator1.Size = new System.Drawing.Size(253, 6);
-			// 
-			// settingsToolStripMenuItem
-			// 
-			this.settingsToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.quickFiltersToolStripMenuItem.Name = "quickFiltersToolStripMenuItem";
+            this.quickFiltersToolStripMenuItem.Size = new System.Drawing.Size(84, 20);
+            this.quickFiltersToolStripMenuItem.Text = "Quick &Filters";
+            // 
+            // firstFilterIsDefaultToolStripMenuItem
+            // 
+            this.firstFilterIsDefaultToolStripMenuItem.Name = "firstFilterIsDefaultToolStripMenuItem";
+            this.firstFilterIsDefaultToolStripMenuItem.Size = new System.Drawing.Size(256, 22);
+            this.firstFilterIsDefaultToolStripMenuItem.Text = "Start Libation with 1st filter &Default";
+            this.firstFilterIsDefaultToolStripMenuItem.Click += new System.EventHandler(this.FirstFilterIsDefaultToolStripMenuItem_Click);
+            // 
+            // editQuickFiltersToolStripMenuItem
+            // 
+            this.editQuickFiltersToolStripMenuItem.Name = "editQuickFiltersToolStripMenuItem";
+            this.editQuickFiltersToolStripMenuItem.Size = new System.Drawing.Size(256, 22);
+            this.editQuickFiltersToolStripMenuItem.Text = "&Edit quick filters...";
+            this.editQuickFiltersToolStripMenuItem.Click += new System.EventHandler(this.EditQuickFiltersToolStripMenuItem_Click);
+            // 
+            // toolStripSeparator1
+            // 
+            this.toolStripSeparator1.Name = "toolStripSeparator1";
+            this.toolStripSeparator1.Size = new System.Drawing.Size(253, 6);
+            // 
+            // settingsToolStripMenuItem
+            // 
+            this.settingsToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.accountsToolStripMenuItem,
-            this.basicSettingsToolStripMenuItem});
-			this.settingsToolStripMenuItem.Name = "settingsToolStripMenuItem";
-			this.settingsToolStripMenuItem.Size = new System.Drawing.Size(61, 20);
-			this.settingsToolStripMenuItem.Text = "&Settings";
-			// 
-			// accountsToolStripMenuItem
-			// 
-			this.accountsToolStripMenuItem.Name = "accountsToolStripMenuItem";
-			this.accountsToolStripMenuItem.Size = new System.Drawing.Size(133, 22);
-			this.accountsToolStripMenuItem.Text = "&Accounts...";
-			this.accountsToolStripMenuItem.Click += new System.EventHandler(this.accountsToolStripMenuItem_Click);
-			// 
-			// basicSettingsToolStripMenuItem
-			// 
-			this.basicSettingsToolStripMenuItem.Name = "basicSettingsToolStripMenuItem";
-			this.basicSettingsToolStripMenuItem.Size = new System.Drawing.Size(133, 22);
-			this.basicSettingsToolStripMenuItem.Text = "&Settings...";
-			this.basicSettingsToolStripMenuItem.Click += new System.EventHandler(this.basicSettingsToolStripMenuItem_Click);
-			// 
-			// statusStrip1
-			// 
-			this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.basicSettingsToolStripMenuItem,
+            this.toolStripSeparator2,
+            this.aboutToolStripMenuItem});
+            this.settingsToolStripMenuItem.Name = "settingsToolStripMenuItem";
+            this.settingsToolStripMenuItem.Size = new System.Drawing.Size(61, 20);
+            this.settingsToolStripMenuItem.Text = "&Settings";
+            // 
+            // accountsToolStripMenuItem
+            // 
+            this.accountsToolStripMenuItem.Name = "accountsToolStripMenuItem";
+            this.accountsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.accountsToolStripMenuItem.Text = "&Accounts...";
+            this.accountsToolStripMenuItem.Click += new System.EventHandler(this.accountsToolStripMenuItem_Click);
+            // 
+            // basicSettingsToolStripMenuItem
+            // 
+            this.basicSettingsToolStripMenuItem.Name = "basicSettingsToolStripMenuItem";
+            this.basicSettingsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.basicSettingsToolStripMenuItem.Text = "&Settings...";
+            this.basicSettingsToolStripMenuItem.Click += new System.EventHandler(this.basicSettingsToolStripMenuItem_Click);
+            // 
+            // statusStrip1
+            // 
+            this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.visibleCountLbl,
             this.springLbl,
             this.backupsCountsLbl,
             this.pdfsCountsLbl});
-			this.statusStrip1.Location = new System.Drawing.Point(0, 517);
-			this.statusStrip1.Name = "statusStrip1";
-			this.statusStrip1.Padding = new System.Windows.Forms.Padding(1, 0, 16, 0);
-			this.statusStrip1.Size = new System.Drawing.Size(1007, 22);
-			this.statusStrip1.TabIndex = 6;
-			this.statusStrip1.Text = "statusStrip1";
-			// 
-			// visibleCountLbl
-			// 
-			this.visibleCountLbl.Name = "visibleCountLbl";
-			this.visibleCountLbl.Size = new System.Drawing.Size(53, 17);
-			this.visibleCountLbl.Text = "Visible: 0";
-			// 
-			// springLbl
-			// 
-			this.springLbl.Name = "springLbl";
-			this.springLbl.Size = new System.Drawing.Size(548, 17);
-			this.springLbl.Spring = true;
-			// 
-			// backupsCountsLbl
-			// 
-			this.backupsCountsLbl.Name = "backupsCountsLbl";
-			this.backupsCountsLbl.Size = new System.Drawing.Size(218, 17);
-			this.backupsCountsLbl.Text = "[Calculating backed up book quantities]";
-			// 
-			// pdfsCountsLbl
-			// 
-			this.pdfsCountsLbl.Name = "pdfsCountsLbl";
-			this.pdfsCountsLbl.Size = new System.Drawing.Size(171, 17);
-			this.pdfsCountsLbl.Text = "|  [Calculating backed up PDFs]";
-			// 
-			// addFilterBtn
-			// 
-			this.addFilterBtn.Location = new System.Drawing.Point(47, 31);
-			this.addFilterBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.addFilterBtn.Name = "addFilterBtn";
-			this.addFilterBtn.Size = new System.Drawing.Size(163, 27);
-			this.addFilterBtn.TabIndex = 4;
-			this.addFilterBtn.Text = "Add To Quick Filters";
-			this.addFilterBtn.UseVisualStyleBackColor = true;
-			this.addFilterBtn.Click += new System.EventHandler(this.AddFilterBtn_Click);
-			// 
-			// Form1
-			// 
-			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
-			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.ClientSize = new System.Drawing.Size(1007, 539);
-			this.Controls.Add(this.filterBtn);
-			this.Controls.Add(this.addFilterBtn);
-			this.Controls.Add(this.filterSearchTb);
-			this.Controls.Add(this.filterHelpBtn);
-			this.Controls.Add(this.statusStrip1);
-			this.Controls.Add(this.gridPanel);
-			this.Controls.Add(this.menuStrip1);
-			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
-			this.MainMenuStrip = this.menuStrip1;
-			this.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
-			this.Name = "Form1";
-			this.Text = "Libation: Liberate your Library";
-			this.Load += new System.EventHandler(this.Form1_Load);
-			this.menuStrip1.ResumeLayout(false);
-			this.menuStrip1.PerformLayout();
-			this.statusStrip1.ResumeLayout(false);
-			this.statusStrip1.PerformLayout();
-			this.ResumeLayout(false);
-			this.PerformLayout();
+            this.statusStrip1.Location = new System.Drawing.Point(0, 517);
+            this.statusStrip1.Name = "statusStrip1";
+            this.statusStrip1.Padding = new System.Windows.Forms.Padding(1, 0, 16, 0);
+            this.statusStrip1.Size = new System.Drawing.Size(1007, 22);
+            this.statusStrip1.TabIndex = 6;
+            this.statusStrip1.Text = "statusStrip1";
+            // 
+            // visibleCountLbl
+            // 
+            this.visibleCountLbl.Name = "visibleCountLbl";
+            this.visibleCountLbl.Size = new System.Drawing.Size(53, 17);
+            this.visibleCountLbl.Text = "Visible: 0";
+            // 
+            // springLbl
+            // 
+            this.springLbl.Name = "springLbl";
+            this.springLbl.Size = new System.Drawing.Size(548, 17);
+            this.springLbl.Spring = true;
+            // 
+            // backupsCountsLbl
+            // 
+            this.backupsCountsLbl.Name = "backupsCountsLbl";
+            this.backupsCountsLbl.Size = new System.Drawing.Size(218, 17);
+            this.backupsCountsLbl.Text = "[Calculating backed up book quantities]";
+            // 
+            // pdfsCountsLbl
+            // 
+            this.pdfsCountsLbl.Name = "pdfsCountsLbl";
+            this.pdfsCountsLbl.Size = new System.Drawing.Size(171, 17);
+            this.pdfsCountsLbl.Text = "|  [Calculating backed up PDFs]";
+            // 
+            // addFilterBtn
+            // 
+            this.addFilterBtn.Location = new System.Drawing.Point(47, 31);
+            this.addFilterBtn.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.addFilterBtn.Name = "addFilterBtn";
+            this.addFilterBtn.Size = new System.Drawing.Size(163, 27);
+            this.addFilterBtn.TabIndex = 4;
+            this.addFilterBtn.Text = "Add To Quick Filters";
+            this.addFilterBtn.UseVisualStyleBackColor = true;
+            this.addFilterBtn.Click += new System.EventHandler(this.AddFilterBtn_Click);
+            // 
+            // toolStripSeparator2
+            // 
+            this.toolStripSeparator2.Name = "toolStripSeparator2";
+            this.toolStripSeparator2.Size = new System.Drawing.Size(177, 6);
+            // 
+            // aboutToolStripMenuItem
+            // 
+            this.aboutToolStripMenuItem.Name = "aboutToolStripMenuItem";
+            this.aboutToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.aboutToolStripMenuItem.Text = "A&bout...";
+            this.aboutToolStripMenuItem.Click += new System.EventHandler(this.aboutToolStripMenuItem_Click);
+            // 
+            // Form1
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(1007, 539);
+            this.Controls.Add(this.filterBtn);
+            this.Controls.Add(this.addFilterBtn);
+            this.Controls.Add(this.filterSearchTb);
+            this.Controls.Add(this.filterHelpBtn);
+            this.Controls.Add(this.statusStrip1);
+            this.Controls.Add(this.gridPanel);
+            this.Controls.Add(this.menuStrip1);
+            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MainMenuStrip = this.menuStrip1;
+            this.Margin = new System.Windows.Forms.Padding(4, 3, 4, 3);
+            this.Name = "Form1";
+            this.Text = "Libation: Liberate your Library";
+            this.Load += new System.EventHandler(this.Form1_Load);
+            this.menuStrip1.ResumeLayout(false);
+            this.menuStrip1.PerformLayout();
+            this.statusStrip1.ResumeLayout(false);
+            this.statusStrip1.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
 
 		}
 
@@ -397,5 +413,7 @@
         private System.Windows.Forms.ToolStripMenuItem removeLibraryBooksToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem removeAllAccountsToolStripMenuItem;
         private System.Windows.Forms.ToolStripMenuItem removeSomeAccountsToolStripMenuItem;
-	}
+        private System.Windows.Forms.ToolStripSeparator toolStripSeparator2;
+        private System.Windows.Forms.ToolStripMenuItem aboutToolStripMenuItem;
+    }
 }

LibationWinForms/Form1.cs

@@ -34,8 +34,7 @@ namespace LibationWinForms
 			this.FormClosing += (_, _) => this.SaveSizeAndLocation(Configuration.Instance);
 			LibraryCommands.LibrarySizeChanged += reloadGridAndUpdateBottomNumbers;
 			LibraryCommands.BookUserDefinedItemCommitted += setBackupCounts;
-			// used by async migrations to update ui when complete
-			DataLayer.UserDefinedItem.Batch_ItemChanged += reloadGridAndUpdateBottomNumbers;
+            QuickFilters.Updated += updateFiltersMenu;
 
 			var format = System.Drawing.Imaging.ImageFormat.Jpeg;
 			PictureStorage.SetDefaultImage(PictureSize._80x80, Properties.Resources.default_cover_80x80.ToBytes(format));
@@ -43,7 +42,7 @@ namespace LibationWinForms
 			PictureStorage.SetDefaultImage(PictureSize._500x500, Properties.Resources.default_cover_500x500.ToBytes(format));
 		}
 
-		private void Form1_Load(object sender, EventArgs e)
+        private void Form1_Load(object sender, EventArgs e)
 		{
 			if (this.DesignMode)
 				return;
@@ -61,7 +60,7 @@ namespace LibationWinForms
 			// suppressed filter while init'ing UI
 			var prev_isProcessingGridSelect = isProcessingGridSelect;
 			isProcessingGridSelect = true;
-			this.UIThreadSync(() => setGrid());
+			this.UIThreadSync(setGrid);
 			isProcessingGridSelect = prev_isProcessingGridSelect;
 
 			// UI init complete. now we can apply filter
@@ -71,22 +70,28 @@ namespace LibationWinForms
 		}
 
 		#region reload grid
-		private ProductsGrid currProductsGrid;
+		private ProductsGrid productsGrid;
 		private void setGrid()
 		{
 			SuspendLayout();
 			{
-				if (currProductsGrid != null)
+				// previous non-null grid with zero-count removes columns. remove/re-add grid to get columns back
+				if (productsGrid?.Count == 0)
 				{
-					gridPanel.Controls.Remove(currProductsGrid);
-					currProductsGrid.VisibleCountChanged -= setVisibleCount;
-					currProductsGrid.Dispose();
+					gridPanel.Controls.Remove(productsGrid);
+					productsGrid.VisibleCountChanged -= setVisibleCount;
+					productsGrid.Dispose();
+					productsGrid = null;
 				}
 
-				currProductsGrid = new ProductsGrid { Dock = DockStyle.Fill };
-				currProductsGrid.VisibleCountChanged += setVisibleCount;
-				gridPanel.UIThreadSync(() => gridPanel.Controls.Add(currProductsGrid));
-				currProductsGrid.Display();
+				if (productsGrid is null)
+				{
+					productsGrid = new ProductsGrid { Dock = DockStyle.Fill };
+					productsGrid.VisibleCountChanged += setVisibleCount;
+					gridPanel.UIThreadSync(() => gridPanel.Controls.Add(productsGrid));
+				}
+
+				productsGrid.Display();
 			}
 			ResumeLayout();
 		}
@@ -187,11 +192,7 @@ namespace LibationWinForms
 		#region filter
 		private void filterHelpBtn_Click(object sender, EventArgs e) => new SearchSyntaxDialog().ShowDialog();
 
-		private void AddFilterBtn_Click(object sender, EventArgs e)
-		{
-			QuickFilters.Add(this.filterSearchTb.Text);
-			UpdateFilterDropDown();
-		}
+		private void AddFilterBtn_Click(object sender, EventArgs e) => QuickFilters.Add(this.filterSearchTb.Text);
 
 		private void filterSearchTb_KeyPress(object sender, KeyPressEventArgs e)
 		{
@@ -214,12 +215,12 @@ namespace LibationWinForms
 		}
 		private void doFilter()
 		{
-			if (isProcessingGridSelect || currProductsGrid == null)
+			if (isProcessingGridSelect || productsGrid is null)
 				return;
 
 			try
 			{
-				currProductsGrid.Filter(filterSearchTb.Text);
+				productsGrid.Filter(filterSearchTb.Text);
 				lastGoodFilter = filterSearchTb.Text;
 			}
 			catch (Exception ex)
@@ -401,6 +402,12 @@ namespace LibationWinForms
 		#endregion
 
 		#region quick filters menu
+		private void FirstFilterIsDefaultToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			firstFilterIsDefaultToolStripMenuItem.Checked = !firstFilterIsDefaultToolStripMenuItem.Checked;
+			QuickFilters.UseDefault = firstFilterIsDefaultToolStripMenuItem.Checked;
+		}
+
 		private void loadInitialQuickFilterState()
 		{
 			// set inital state. do once only
@@ -410,18 +417,11 @@ namespace LibationWinForms
 			if (QuickFilters.UseDefault)
 				doFilter(QuickFilters.Filters.FirstOrDefault());
 
-			// do after every save
-			UpdateFilterDropDown();
-		}
-
-		private void FirstFilterIsDefaultToolStripMenuItem_Click(object sender, EventArgs e)
-		{
-			firstFilterIsDefaultToolStripMenuItem.Checked = !firstFilterIsDefaultToolStripMenuItem.Checked;
-			QuickFilters.UseDefault = firstFilterIsDefaultToolStripMenuItem.Checked;
+			updateFiltersMenu();
 		}
 
 		private object quickFilterTag { get; } = new object();
-		public void UpdateFilterDropDown()
+		private void updateFiltersMenu(object _ = null, object __ = null)
 		{
 			// remove old
 			for (var i = quickFiltersToolStripMenuItem.DropDownItems.Count - 1; i >= 0; i--)
@@ -452,6 +452,9 @@ namespace LibationWinForms
 		private void accountsToolStripMenuItem_Click(object sender, EventArgs e) => new AccountsDialog(this).ShowDialog();
 
 		private void basicSettingsToolStripMenuItem_Click(object sender, EventArgs e) => new SettingsDialog().ShowDialog();
+
+        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
+			=> MessageBox.Show($"Running Libation version {AppScaffolding.LibationScaffolding.BuildVersion}", $"Libation v{AppScaffolding.LibationScaffolding.BuildVersion}");
 		#endregion
 	}
 }

LibationWinForms/LibationWinForms.csproj

@@ -28,7 +28,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Dinah.Core.WindowsDesktop" Version="4.0.4.1" />
+    <PackageReference Include="Dinah.Core.WindowsDesktop" Version="4.1.6.1" />
   </ItemGroup>
 
   <ItemGroup>

LibationWinForms/Program.cs

@@ -158,136 +158,11 @@ namespace LibationWinForms
 		/// <summary>migrations which require Forms or are long-running</summary>
 		private static void RunWindowsOnlyMigrations(Configuration config)
 		{
-			// only supported in winforms. don't move to app scaffolding
-			migrate_to_v5_0_0(config);
-
-			// long running. won't get a chance to finish in cli. don't move to app scaffolding
-			migrate_to_v5_5_0(config);
+			// examples:
+			// - only supported in winforms. don't move to app scaffolding
+			// - long running. won't get a chance to finish in cli. don't move to app scaffolding
 		}
 
-		#region migrate to v5.0.0 re-register device if device info not in settings
-		private static void migrate_to_v5_0_0(Configuration config)
-		{
-			if (!File.Exists(AudibleApiStorage.AccountsSettingsFile))
-				return;
-
-			var accountsPersister = AudibleApiStorage.GetAccountsSettingsPersister();
-
-			var accounts = accountsPersister?.AccountsSettings?.Accounts;
-			if (accounts is null)
-				return;
-
-			foreach (var account in accounts)
-			{
-				var identity = account?.IdentityTokens;
-
-				if (identity is null)
-					continue;
-
-				if (!string.IsNullOrWhiteSpace(identity.DeviceType) &&
-					!string.IsNullOrWhiteSpace(identity.DeviceSerialNumber) &&
-					!string.IsNullOrWhiteSpace(identity.AmazonAccountId))
-					continue;
-
-				var authorize = new Authorize(identity.Locale);
-
-				try
-				{
-					authorize.DeregisterAsync(identity.ExistingAccessToken, identity.Cookies.ToKeyValuePair()).GetAwaiter().GetResult();
-					identity.Invalidate();
-
-					// re-registers device
-					ApiExtended.CreateAsync(account, new Login.WinformLoginChoiceEager(account)).GetAwaiter().GetResult();
-				}
-                catch
-                {
-					// Don't care if it fails
-                }
-			}
-		}
-		#endregion
-
-		#region migrate to v5.5.0. FilePaths.json => db. long running. fire and forget
-		private static void migrate_to_v5_5_0(Configuration config)
-			=> new System.Threading.Thread(() => migrate_to_v5_5_0_thread(config)) { IsBackground = true }.Start();
-		private static void migrate_to_v5_5_0_thread(Configuration config)
-		{
-			try
-			{
-				var filePaths = Path.Combine(config.LibationFiles, "FilePaths.json");
-				if (!File.Exists(filePaths))
-					return;
-
-				var fileLocations = Path.Combine(config.LibationFiles, "FileLocations.json");
-				if (!File.Exists(fileLocations))
-					File.Copy(filePaths, fileLocations);
-
-				// files to be deleted at the end
-				var libhackFilesToDelete = new List<string>();
-				// .libhack files => errors
-				var libhackFiles = Directory.EnumerateDirectories(config.Books, "*.libhack", SearchOption.AllDirectories);
-
-				using var context = ApplicationServices.DbContexts.GetContext();
-				context.Books.Load();
-
-				var jArr = JArray.Parse(File.ReadAllText(filePaths));
-
-				foreach (var jToken in jArr)
-				{
-					var asinToken = jToken["Id"];
-					var fileTypeToken = jToken["FileType"];
-					var pathToken = jToken["Path"];
-					if (asinToken is null || fileTypeToken is null || pathToken is null ||
-						asinToken.Type != JTokenType.String || fileTypeToken.Type != JTokenType.Integer || pathToken.Type != JTokenType.String)
-						continue;
-
-					var asin = asinToken.Value<string>();
-					var fileType = (FileType)fileTypeToken.Value<int>();
-					var path = pathToken.Value<string>();
-
-					if (fileType == FileType.Unknown || fileType == FileType.AAXC)
-						continue;
-
-					var book = context.Books.Local.FirstOrDefault(b => b.AudibleProductId == asin);
-					if (book is null)
-						continue;
-
-					// assign these strings and enums/ints unconditionally. EFCore will only update if changed
-					if (fileType == FileType.PDF)
-						book.UserDefinedItem.BatchMode_UpdatePdfStatus(LiberatedStatus.Liberated);
-
-					if (fileType == FileType.Audio)
-					{
-						var lhack = libhackFiles.FirstOrDefault(f => f.ContainsInsensitive(asin));
-						if (lhack is null)
-							book.UserDefinedItem.BatchMode_UpdateBookStatus(LiberatedStatus.Liberated);
-						else
-						{
-							book.UserDefinedItem.BatchMode_UpdateBookStatus(LiberatedStatus.Error);
-							libhackFilesToDelete.Add(lhack);
-						}
-					}
-				}
-
-				// in order: save to db, full reindex from db, refresh ui
-				var changed = context.SaveChanges();
-				if (changed > 0)
-					ApplicationServices.SearchEngineCommands.FullReIndex();
-				UserDefinedItem.BatchMode_Finalize();
-
-				// only do this after save changes
-				foreach (var libhackFile in libhackFilesToDelete)
-					File.Delete(libhackFile);
-
-				File.Delete(filePaths);
-			}
-			catch (Exception ex)
-			{
-				Log.Logger.Error(ex, "Error attempting to insert FilePaths into db");
-			}
-		}
-		#endregion
-
 		private static void checkForUpdate()
 		{
 			string zipUrl;

LibationWinForms/SyncBindingSource.cs

@@ -19,7 +19,7 @@ namespace LibationWinForms
 
         protected override void OnListChanged(ListChangedEventArgs e)
         {
-            if (syncContext != null)
+            if (syncContext is not null)
                 syncContext.Send(_ => base.OnListChanged(e), null);
             else
                 base.OnListChanged(e);

LibationWinForms/grid/EditTagsDataGridViewImageButtonColumn.cs

@@ -13,8 +13,8 @@ namespace LibationWinForms
 
 	internal class EditTagsDataGridViewImageButtonCell : DataGridViewImageButtonCell
 	{
-		private static readonly Image ButtonImage = Properties.Resources.edit_25x25;
-		private static readonly Color HiddenForeColor = Color.LightGray;
+		private static Image ButtonImage { get; } = Properties.Resources.edit_25x25;
+		private static Color HiddenForeColor { get; } = Color.LightGray;
 
 		protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
 		{

LibationWinForms/grid/GridEntry.cs

@@ -24,8 +24,7 @@ namespace LibationWinForms
 		[Browsable(false)]
 		public string AudibleProductId => Book.AudibleProductId;
 		[Browsable(false)]
-		public LibraryBook LibraryBook { get; }
-
+		public LibraryBook LibraryBook { get; private set; }
 		#endregion
 
 		#region Model properties exposed to the view
@@ -40,17 +39,17 @@ namespace LibationWinForms
 			}
 		}
 
-		public string ProductRating { get; }
-		public string PurchaseDate { get; }
-		public string MyRating { get; }
-		public string Series { get; }
-		public string Title { get; }
-		public string Length { get; }
-		public string Authors { get; }
-		public string Narrators { get; }
-		public string Category { get; }
-		public string Misc { get; }
-		public string Description { get; }
+		public string ProductRating { get; private set; }
+		public string PurchaseDate { get; private set; }
+		public string MyRating { get; private set; }
+		public string Series { get; private set; }
+		public string Title { get; private set; }
+		public string Length { get; private set; }
+		public string Authors { get; private set; }
+		public string Narrators { get; private set; }
+		public string Category { get; private set; }
+		public string Misc { get; private set; }
+		public string Description { get; private set; }
 		public string DisplayTags
 		{
 			get => string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
@@ -68,30 +67,41 @@ namespace LibationWinForms
 				LibraryBook.Book.UserDefinedItem.PdfStatus = value.PdfStatus;
 			}
 		}
-
 		#endregion
 
+		public event EventHandler<string> LibraryBookUpdated;
 		public event EventHandler Committed;
 
+		// alias
 		private Book Book => LibraryBook.Book;
 
-		public GridEntry(LibraryBook libraryBook)
+		public GridEntry(LibraryBook libraryBook) => setLibraryBook(libraryBook);
+
+		public void UpdateLibraryBook(LibraryBook libraryBook)
+		{
+			if (AudibleProductId != libraryBook.Book.AudibleProductId)
+				throw new Exception("Invalid grid entry update. IDs must match");
+
+			setLibraryBook(libraryBook);
+		}
+
+		private void setLibraryBook(LibraryBook libraryBook)
 		{
 			LibraryBook = libraryBook;
 			_memberValues = CreateMemberValueDictionary();
 
-			//Get cover art. If it's default, subscribe to PictureCached
+			// Get cover art. If it's default, subscribe to PictureCached
 			{
 				(bool isDefault, byte[] picture) = PictureStorage.GetPicture(new PictureDefinition(Book.PictureId, PictureSize._80x80));
 
 				if (isDefault)
 					PictureStorage.PictureCached += PictureStorage_PictureCached;
 
-				//Mutable property. Set the field so PropertyChanged isn't fired.
+				// Mutable property. Set the field so PropertyChanged isn't fired.
 				_cover = ImageReader.ToImage(picture);
 			}
 
-			//Immutable properties
+			// Immutable properties
 			{
 				Title = Book.Title;
 				Series = Book.SeriesNames;
@@ -107,6 +117,9 @@ namespace LibationWinForms
 			}
 
 			UserDefinedItem.ItemChanged += UserDefinedItem_ItemChanged;
+
+			// this will never have a value when triggered by ctor b/c nothing can subscribe to the event until after ctor is complete
+			LibraryBookUpdated?.Invoke(this, AudibleProductId);
 		}
 
 		private void PictureStorage_PictureCached(object sender, PictureCachedEventArgs e)
@@ -134,22 +147,16 @@ namespace LibationWinForms
 			switch (itemName)
 			{
 				case nameof(udi.Tags):
-					{
-						Book.UserDefinedItem.Tags = udi.Tags;
-						NotifyPropertyChanged(nameof(DisplayTags));
-					}
+					Book.UserDefinedItem.Tags = udi.Tags;
+					NotifyPropertyChanged(nameof(DisplayTags));
 					break;
 				case nameof(udi.BookStatus):
-					{
-						Book.UserDefinedItem.BookStatus = udi.BookStatus;
-						NotifyPropertyChanged(nameof(Liberate));
-					}
+					Book.UserDefinedItem.BookStatus = udi.BookStatus;
+					NotifyPropertyChanged(nameof(Liberate));
 					break;
 				case nameof(udi.PdfStatus):
-					{
-						Book.UserDefinedItem.PdfStatus = udi.PdfStatus;
-						NotifyPropertyChanged(nameof(Liberate));
-					}
+					Book.UserDefinedItem.PdfStatus = udi.PdfStatus;
+					NotifyPropertyChanged(nameof(Liberate));
 					break;
 			}
 
@@ -195,15 +202,15 @@ namespace LibationWinForms
 		public virtual object GetMemberValue(string memberName) => _memberValues[memberName]();
 		public virtual IComparer GetMemberComparer(Type memberType) => _memberTypeComparers[memberType];
 
-		private Dictionary<string, Func<object>> _memberValues { get; }
+		private Dictionary<string, Func<object>> _memberValues { get; set; }
 
 		/// <summary>
 		/// Create getters for all member object values by name
 		/// </summary>
 		private Dictionary<string, Func<object>> CreateMemberValueDictionary() => new()
 		{
-			{ nameof(Title), () => GetSortName(Book.Title) },
-			{ nameof(Series), () => GetSortName(Book.SeriesNames) },
+			{ nameof(Title), () => Book.TitleSortable },
+			{ nameof(Series), () => Book.SeriesSortable },
 			{ nameof(Length), () => Book.LengthInMinutes },
 			{ nameof(MyRating), () => Book.UserDefinedItem.Rating.FirstScore },
 			{ nameof(PurchaseDate), () => LibraryBook.DateAdded },
@@ -227,21 +234,6 @@ namespace LibationWinForms
 			{ typeof(LiberatedStatus), new ObjectComparer<LiberatedStatus>() },
 		};
 
-		private static readonly string[] _sortPrefixIgnores = { "the", "a", "an" };
-		private static string GetSortName(string unformattedName)
-		{
-			var sortName = unformattedName
-				.Replace("|", "")
-				.Replace(":", "")
-				.ToLowerInvariant()
-				.Trim();
-
-			if (_sortPrefixIgnores.Any(prefix => sortName.StartsWith(prefix + " ")))
-				sortName = sortName.Substring(sortName.IndexOf(" ") + 1).TrimStart();
-
-			return sortName;
-		}
-
 		#endregion
 
 		#region Static library display functions

LibationWinForms/grid/LiberateDataGridViewImageButtonColumn.cs

@@ -1,5 +1,4 @@
-using ApplicationServices;
-using System;
+using System;
 using System.Drawing;
 using System.Windows.Forms;
 using System.Linq;

LibationWinForms/grid/ProductsGrid.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
@@ -38,7 +39,7 @@ namespace LibationWinForms
 			InitializeComponent();
 
 			// sorting breaks filters. must reapply filters after sorting
-			_dataGridView.Sorted += (_, __) => Filter();
+			_dataGridView.Sorted += Filter;
 			_dataGridView.CellContentClick += DataGridView_CellContentClick;
 
 			EnableDoubleBuffering();
@@ -109,18 +110,16 @@ namespace LibationWinForms
 
 		#region UI display functions
 
-		private bool hasBeenDisplayed = false;
+		public int Count { get; private set; }
+
+		private SortableBindingList<GridEntry> bindingList;
+
 		public void Display()
 		{
-			if (hasBeenDisplayed)
-				return;
-			hasBeenDisplayed = true;
-
-			//
-			// transform into sorted GridEntry.s BEFORE binding
-			//
 			var lib = DbContexts.GetLibrary_Flat_NoTracking();
 
+			Count = lib.Count;
+
 			// if no data. hide all columns. return
 			if (!lib.Any())
 			{
@@ -129,34 +128,72 @@ namespace LibationWinForms
 				return;
 			}
 
-			var orderedGridEntries = lib
-				.Select(lb =>
-				{
-					var entry = new GridEntry(lb);
-					entry.Committed += (_, __) => Filter();
-					return entry;
-				}).ToList()
+			var orderedBooks = lib
 				// default load order
-				.OrderByDescending(ge => (DateTime)ge.GetMemberValue(nameof(ge.PurchaseDate)))
+				.OrderByDescending(lb => lb.DateAdded)
 				//// more advanced example: sort by author, then series, then title
-				//.OrderBy(ge => ge.Authors)
-				//    .ThenBy(ge => ge.Series)
-				//    .ThenBy(ge => ge.Title)
+				//.OrderBy(lb => lb.Book.AuthorNames)
+				//    .ThenBy(lb => lb.Book.SeriesSortable)
+				//    .ThenBy(lb => lb.Book.TitleSortable)
 				.ToList();
 
 			// BIND
-			gridEntryBindingSource.DataSource = new SortableBindingList<GridEntry>(orderedGridEntries);
+			if (bindingList is null)
+				bindToGrid(orderedBooks);
+			else
+				updateGrid(orderedBooks);
 
 			// FILTER
 			Filter();
 		}
 
-		#endregion
+        private void bindToGrid(List<DataLayer.LibraryBook> orderedBooks)
+        {
+            bindingList = new SortableBindingList<GridEntry>(orderedBooks.Select(lb => toGridEntry(lb)));
+            gridEntryBindingSource.DataSource = bindingList;
+        }
 
-		#region Filter
+        private void updateGrid(List<DataLayer.LibraryBook> orderedBooks)
+        {
+            for (var i = orderedBooks.Count - 1; i >= 0; i--)
+            {
+                var libraryBook = orderedBooks[i];
+                var existingItem = bindingList.FirstOrDefault(i => i.AudibleProductId == libraryBook.Book.AudibleProductId);
 
-		private string _filterSearchString;
-		private void Filter() => Filter(_filterSearchString);
+                // add new to top
+                if (existingItem is null)
+                    bindingList.Insert(0, toGridEntry(libraryBook));
+                // update existing
+                else
+                    existingItem.UpdateLibraryBook(libraryBook);
+            }
+
+            // remove deleted from grid. note: actual deletion from db must still occur via the RemoveBook feature. deleting from audible will not trigger this
+            var oldIds = bindingList.Select(ge => ge.AudibleProductId).ToList();
+            var newIds = orderedBooks.Select(lb => lb.Book.AudibleProductId).ToList();
+            var remove = oldIds.Except(newIds).ToList();
+            foreach (var id in remove)
+            {
+                var oldItem = bindingList.FirstOrDefault(ge => ge.AudibleProductId == id);
+                if (oldItem is not null)
+                    bindingList.Remove(oldItem);
+            }
+        }
+
+        private GridEntry toGridEntry(DataLayer.LibraryBook libraryBook)
+		{
+			var entry = new GridEntry(libraryBook);
+			entry.Committed += Filter;
+			entry.LibraryBookUpdated += (sender, productId) => _dataGridView.InvalidateRow(_dataGridView.GetRowIdOfBoundItem((GridEntry)sender));
+			return entry;
+		}
+
+        #endregion
+
+        #region Filter
+
+        private string _filterSearchString;
+		private void Filter(object _ = null, EventArgs __ = null) => Filter(_filterSearchString);
 		public void Filter(string searchString)
 		{
 			_filterSearchString = searchString;
@@ -178,7 +215,7 @@ namespace LibationWinForms
 				});
 			}
 
-			//Causes repainting of the DataGridView
+			// Causes repainting of the DataGridView
 			bindingContext.ResumeBinding();
 			VisibleCountChanged?.Invoke(this, _dataGridView.AsEnumerable().Count(r => r.Visible));
 		}

_Tests/AudibleUtilities.Tests/AudibleUtilities.Tests.csproj

@@ -10,8 +10,8 @@
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Moq" Version="4.17.2" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.9" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.9" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

_Tests/FileLiberator.Tests/FileLiberator.Tests.csproj

@@ -9,8 +9,8 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.9" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.9" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

_Tests/FileManager.Tests/FileManager.Tests.csproj

@@ -9,8 +9,8 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.9" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.9" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

_Tests/LibationFileManager.Tests/LibationFileManager.Tests.csproj

@@ -9,8 +9,8 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.9" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.9" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

_Tests/LibationSearchEngine.Tests/LibationSearchEngine.Tests.csproj

@@ -10,8 +10,8 @@
     <PackageReference Include="FluentAssertions" Version="6.6.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Moq" Version="4.17.2" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.2.9" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.2.9" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>