Add category change for downloads with no additional hardlinks (#65)

code/Common/Configuration/DownloadCleaner/CleanCategory.cs

@@ -3,7 +3,7 @@ using Microsoft.Extensions.Configuration;
 
 namespace Common.Configuration.DownloadCleaner;
 
-public sealed record Category : IConfig
+public sealed record CleanCategory : IConfig
 {
     public required string Name { get; init; }
 

code/Common/Configuration/DownloadCleaner/DownloadCleanerConfig.cs

@@ -8,8 +8,8 @@ public sealed record DownloadCleanerConfig : IJobConfig, IIgnoredDownloadsConfig
     public const string SectionName = "DownloadCleaner";
     
     public bool Enabled { get; init; }
-    
-    public List<Category>? Categories { get; init; }
+
+    public List<CleanCategory>? Categories { get; init; }
 
     [ConfigurationKeyName("DELETE_PRIVATE")]
     public bool DeletePrivate { get; init; }
@@ -17,6 +17,15 @@ public sealed record DownloadCleanerConfig : IJobConfig, IIgnoredDownloadsConfig
     [ConfigurationKeyName("IGNORED_DOWNLOADS_PATH")]
     public string? IgnoredDownloadsPath { get; init; }
 
+    [ConfigurationKeyName("UNLINKED_TARGET_CATEGORY")]
+    public string UnlinkedTargetCategory { get; init; } = "cleanuperr-unlinked";
+
+    [ConfigurationKeyName("UNLINKED_IGNORED_ROOT_DIR")]
+    public string UnlinkedIgnoredRootDir { get; init; } = string.Empty;
+    
+    [ConfigurationKeyName("UNLINKED_CATEGORIES")]
+    public List<string>? UnlinkedCategories { get; init; }
+
     public void Validate()
     {
         if (!Enabled)
@@ -31,9 +40,34 @@ public sealed record DownloadCleanerConfig : IJobConfig, IIgnoredDownloadsConfig
 
         if (Categories?.GroupBy(x => x.Name).Any(x => x.Count() > 1) is true)
         {
-            throw new ValidationException("duplicated categories found");
+            throw new ValidationException("duplicated clean categories found");
         }
         
         Categories?.ForEach(x => x.Validate());
+        
+        if (string.IsNullOrEmpty(UnlinkedTargetCategory))
+        {
+            return;
+        }
+
+        if (UnlinkedCategories?.Count is null or 0)
+        {
+            throw new ValidationException("no unlinked categories configured");
+        }
+
+        if (UnlinkedCategories.Contains(UnlinkedTargetCategory))
+        {
+            throw new ValidationException($"{SectionName.ToUpperInvariant()}__UNLINKED_TARGET_CATEGORY should not be present in {SectionName.ToUpperInvariant()}__UNLINKED_CATEGORIES");
+        }
+
+        if (UnlinkedCategories.Any(string.IsNullOrEmpty))
+        {
+            throw new ValidationException("empty unlinked category filter found");
+        }
+
+        if (!string.IsNullOrEmpty(UnlinkedIgnoredRootDir) && !Directory.Exists(UnlinkedIgnoredRootDir))
+        {
+            throw new ValidationException($"{UnlinkedIgnoredRootDir} root directory does not exist");
+        }
     }
 }

code/Common/Configuration/Notification/NotificationConfig.cs

@@ -18,8 +18,17 @@ public abstract record NotificationConfig
     
     [ConfigurationKeyName("ON_DOWNLOAD_CLEANED")]
     public bool OnDownloadCleaned { get; init; }
+    
+    [ConfigurationKeyName("ON_CATEGORY_CHANGED")]
+    public bool OnCategoryChanged { get; init; }
 
-    public bool IsEnabled => OnImportFailedStrike || OnStalledStrike || OnSlowStrike || OnQueueItemDeleted || OnDownloadCleaned;
+    public bool IsEnabled =>
+        OnImportFailedStrike ||
+        OnStalledStrike ||
+        OnSlowStrike ||
+        OnQueueItemDeleted ||
+        OnDownloadCleaned ||
+        OnCategoryChanged;
 
     public abstract bool IsValid();
 }