Added validation and error handling

BETA READY

DataLayer/UNTESTED/LibationContextFactory.cs

@@ -6,6 +6,9 @@ namespace DataLayer
     public class LibationContextFactory : DesignTimeDbContextFactoryBase<LibationContext>
     {
         protected override LibationContext CreateNewInstance(DbContextOptions<LibationContext> options) => new LibationContext(options);
-        protected override void UseDatabaseEngine(DbContextOptionsBuilder optionsBuilder, string connectionString) => optionsBuilder.UseSqlServer(connectionString);
+        protected override void UseDatabaseEngine(DbContextOptionsBuilder optionsBuilder, string connectionString) => optionsBuilder
+			//.UseSqlServer
+			.UseSqlite
+			(connectionString);
     }
 }

DataLayer/UNTESTED/Utilities/LocalDatabaseInfo.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace DataLayer.Utilities
+{
+	public static class LocalDatabaseInfo
+	{
+		public static List<string> GetLocalDBInstances()
+		{
+			// Start the child process.
+			using var p = new System.Diagnostics.Process
+			{
+				StartInfo = new System.Diagnostics.ProcessStartInfo
+				{
+					UseShellExecute = false,
+					RedirectStandardOutput = true,
+					FileName = "cmd.exe",
+					Arguments = "/C sqllocaldb info",
+					CreateNoWindow = true,
+					WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden
+				}
+			};
+			p.Start();
+			var output = p.StandardOutput.ReadToEnd();
+			p.WaitForExit();
+
+			// if LocalDb is not installed then it will return that 'sqllocaldb' is not recognized as an internal or external command operable program or batch file
+			return string.IsNullOrWhiteSpace(output) || output.Contains("not recognized")
+				? new List<string>()
+				: output
+					.Split(new string[] { Environment.NewLine }, StringSplitOptions.None)
+					.Select(i => i.Trim())
+					.Where(i => !string.IsNullOrEmpty(i))
+					.ToList();
+		}
+	}
+}

DataLayer/appsettings.json

@@ -1,6 +1,7 @@
 {
   "ConnectionStrings": {
-    "LibationContext": "Server=(LocalDb)\\MSSQLLocalDB;Database=DataLayer.LibationContext;Integrated Security=true;",
+    "LibationContext_sqlserver": "Server=(LocalDb)\\MSSQLLocalDB;Database=DataLayer.LibationContext;Integrated Security=true;",
+    "LibationContext": "Data Source=LibationContext.db;Foreign Keys=False;",
 
     "// on windows sqlite paths accept windows and/or unix slashes": "",
     "MyTestContext": "Data Source=%DESKTOP%/sample.db"

FileLiberator/UNTESTED/BackupBook.cs

@@ -43,19 +43,19 @@ namespace FileLiberator
             try
 			{
 				{
-					var statusHandler = await processAsync(libraryBook, AudibleFileStorage.AAX, DownloadBook);
+					var statusHandler = await DownloadBook.TryProcessAsync(libraryBook);
 					if (statusHandler.HasErrors)
 						return statusHandler;
 				}
 
 				{
-					var statusHandler = await processAsync(libraryBook, AudibleFileStorage.Audio, DecryptBook);
+					var statusHandler = await DecryptBook.TryProcessAsync(libraryBook);
 					if (statusHandler.HasErrors)
 						return statusHandler;
 				}
 
 				{
-					var statusHandler = await processAsync(libraryBook, AudibleFileStorage.PDF, DownloadPdf);
+					var statusHandler = await DownloadPdf.TryProcessAsync(libraryBook);
 					if (statusHandler.HasErrors)
 						return statusHandler;
 				}
@@ -67,10 +67,5 @@ namespace FileLiberator
                 Completed?.Invoke(this, displayMessage);
             }
         }
-
-		private static async Task<StatusHandler> processAsync(LibraryBook libraryBook, AudibleFileStorage afs, IProcessable processable)
-			=> !await afs.ExistsAsync(libraryBook.Book.AudibleProductId)
-			? await processable.ProcessAsync(libraryBook)
-			: new StatusHandler();
 	}
 }

FileLiberator/UNTESTED/DownloadPdf.cs

@@ -13,12 +13,8 @@ namespace FileLiberator
 	public class DownloadPdf : DownloadableBase
 	{
 		public override async Task<bool> ValidateAsync(LibraryBook libraryBook)
-		{
-			if (string.IsNullOrWhiteSpace(getdownloadUrl(libraryBook)))
-				return false;
-
-			return !await AudibleFileStorage.PDF.ExistsAsync(libraryBook.Book.AudibleProductId);
-		}
+			=> !string.IsNullOrWhiteSpace(getdownloadUrl(libraryBook))
+			&& !await AudibleFileStorage.PDF.ExistsAsync(libraryBook.Book.AudibleProductId);
 
 		private static string getdownloadUrl(LibraryBook libraryBook)
 			=> libraryBook?.Book?.Supplements?.FirstOrDefault()?.Url;

FileLiberator/UNTESTED/IProcessableExt.cs

@@ -40,5 +40,10 @@ namespace FileLiberator
 
             return null;
         }
-    }
+
+		public static async Task<StatusHandler> TryProcessAsync(this IProcessable processable, LibraryBook libraryBook)
+			=> await processable.ValidateAsync(libraryBook)
+			? await processable.ProcessAsync(libraryBook)
+			: new StatusHandler();
+	}
 }

LibationWinForm/LibationWinForm.csproj

@@ -9,7 +9,7 @@
 
     <PublishTrimmed>true</PublishTrimmed>
     <PublishReadyToRun>true</PublishReadyToRun>
-    <PublishSingleFile>true</PublishSingleFile>
+    <!-- <PublishSingleFile>true</PublishSingleFile> -->
     <RuntimeIdentifier>win-x64</RuntimeIdentifier>
   </PropertyGroup>
 

LibationWinForm/UNTESTED/Dialogs/IndexLibraryDialog.cs

@@ -16,7 +16,14 @@ namespace LibationWinForm
 
 		private async void IndexLibraryDialog_Shown(object sender, System.EventArgs e)
 		{
-			(TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.IndexLibraryAsync(new Login.WinformResponder());
+			try
+			{
+				(TotalBooksProcessed, NewBooksAdded) = await LibraryCommands.IndexLibraryAsync(new Login.WinformResponder());
+			}
+			catch
+			{
+				MessageBox.Show("Error importing library. Please try again. If this happens after 2 or 3 tries, contact administrator", "Error importing library", MessageBoxButtons.OK, MessageBoxIcon.Error);
+			}
 
 			this.Close();
 		}

REFERENCE.txt

@@ -1,13 +1,17 @@
 -- begin VERSIONING ---------------------------------------------------------------------------------------------------------------------
 https://github.com/rmcrackan/Libation/releases
 
+v3.0.3 : Switch to SQLite. No longer relies on LocalDB, which must be installed separately
+v3.0.2 : Final using LocalDB
 v3.0.1 : Legacy inAudible wire-up code is still present but is commented out. All future check-ins are not guaranteed to have inAudible wire-up code
 v3.0 : This version is fully powered by the Audible API. Legacy scraping code is still present but is commented out. All future check-ins are not guaranteed to have any scraping code
+v2 : new library page scraping. still chrome cookies. all decryption is handled natively. no inAudible dependency
+v1 : old library ajax scraping. wish list scraping. chrome cookies. directly call local inAudible. .net framework
 -- end VERSIONING ---------------------------------------------------------------------------------------------------------------------
 
 -- begin HOW TO PUBLISH ---------------------------------------------------------------------------------------------------------------------
 OPTION 1: UI
-rt-clk project > Publish...
+rt-clk project project > Publish...
 click Publish
 
 OPTION 2: cmd line

__TODO.txt

@@ -1,31 +1,35 @@
 -- begin BETA ---------------------------------------------------------------------------------------------------------------------
-TESTING BUG
-dbl clk. long pause. exception:
-System.ComponentModel.Win32Exception (2): The system cannot find the file specified.
-"continue" button allows me to keep using
-bottom #s do not update
-login succeeded. IdentityTokens.json successfully created
-received above error again during scan. continue
-stuck on scan. force quit from task manager
-only files:
-  Images -- empty dir
-  IdentityTokens.json -- populated
-no mdf, ldf
-
-REPLACE DB
-need completely need db? replace LocalDb with sqlite? embedded document nosql?
+FINAL PRE-BETA TEST
+create release
+  v3.1 beta
+  update REFERENCE.txt with this release
+publish exe and attach it to the beta release
+start beta: contact beta members
 
 CREATE INSTALLER
 see REFERENCE.txt > HOW TO PUBLISH
 
 RELEASE TO BETA
+Note: run Libation.exe -- icon is a black wine glass
+I recommend making a shortcut. I'm working on a more manageable install but it's low priority
 Warn of known performance issues
 - Library import
 - Tag add/edit
 - Grid is slow to respond loading when books aren't liberated
 - get decrypt key -- unavoidable
+- images can take a bit to initially load. downloading is throttled as to not get the IP blocked by audible
 -- end BETA ---------------------------------------------------------------------------------------------------------------------
 
+-- begin SINGLE FILE PUBLISH ---------------------------------------------------------------------------------------------------------------------
+SINGLE FILE. FUTURE FIX
+    <!-- <PublishSingleFile>true</PublishSingleFile> -->
+      <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+Runs from weird temp location
+- Weird default location for files
+- Can’t find json
+- don't have external exe.s
+-- end SINGLE FILE PUBLISH ---------------------------------------------------------------------------------------------------------------------
+
 -- begin ENHANCEMENT, IMPORT UI ---------------------------------------------------------------------------------------------------------------------
 scan library in background?
 can include a notice somewhere that a scan is in-process
@@ -124,6 +128,8 @@ move out of Book and into DtoMapper?
 Extract file and tag stuff from domain objects. This should exist only in data layer. If domain objects are able to call EF context, it should go through data layer
 Why are tags in file AND database?
 
+why use a relational db? i'm treating it like a nosql db. use LiteDB instead?
+
 extract FileManager dependency from data layer
 -- end TAGS ---------------------------------------------------------------------------------------------------------------------