Add Job UpdateMetadata --> untested!

Tranga/Jobs/DownloadNewChapters.cs

@@ -4,7 +4,7 @@ namespace Tranga.Jobs;
 
 public class DownloadNewChapters : Job
 {
-    public Manga manga { get; init; }
+    public Manga manga { get; set; }
     public string translatedLanguage { get; init; }
 
     public DownloadNewChapters(GlobalBase clone, MangaConnector connector, Manga manga, DateTime lastExecution,

Tranga/Jobs/UpdateMetadata.cs

@@ -0,0 +1,63 @@
+using Tranga.MangaConnectors;
+
+namespace Tranga.Jobs;
+
+public class UpdateMetadata : Job
+{
+    private Manga manga { get; set; }
+    private JobBoss jobBoss { get; init; }
+
+    public UpdateMetadata(GlobalBase clone, MangaConnector connector, Manga manga, JobBoss jobBoss, DateTime lastExecution, string? parentJobId = null) : base(clone, connector, lastExecution, parentJobId: parentJobId)
+    {
+        this.manga = manga;
+        this.jobBoss = jobBoss;
+    }
+    
+    public UpdateMetadata(GlobalBase clone, MangaConnector connector, Manga manga, JobBoss jobBoss, string? parentJobId = null) : base(clone, connector, parentJobId: parentJobId)
+    {
+        this.manga = manga;
+        this.jobBoss = jobBoss;
+    }
+    
+    protected override string GetId()
+    {
+        return $"{GetType()}-{manga.internalId}";
+    }
+
+    public override string ToString()
+    {
+        return $"{id} Manga: {manga}";
+    }
+
+    protected override IEnumerable<Job> ExecuteReturnSubTasksInternal()
+    {
+        if(manga.websiteUrl is null)
+        {
+            Log($"Legacy manga {manga}");
+            return Array.Empty<Job>();
+        }
+        if (parentJobId is null)
+        {
+            Log($"Missing parentJob {this}");
+            return Array.Empty<Job>();
+        }
+        Manga? possibleUpdatedManga = mangaConnector.GetMangaFromUrl(manga.websiteUrl);
+        if (possibleUpdatedManga is { } updatedManga)
+        {
+            cachedPublications.Remove(this.manga);
+            this.manga = updatedManga;
+            cachedPublications.Add(updatedManga);
+            this.manga.SaveSeriesInfoJson(settings.downloadLocation, true);
+
+            DownloadNewChapters dncJob = this.jobBoss.GetJobById(this.parentJobId) as DownloadNewChapters ??
+                                         throw new Exception("Jobtype has to be DownloadNewChapters");
+            dncJob.manga = updatedManga;
+        }
+        else
+        {
+            Log($"Could not find Manga {manga}");
+            return Array.Empty<Job>();
+        }
+        return Array.Empty<Job>();
+    }
+}

Tranga/Manga.cs

@@ -43,11 +43,12 @@ public struct Manga
     public float ignoreChaptersBelow { get; set; }
     public float latestChapterDownloaded { get; set; }
     public float latestChapterAvailable { get; set; }
+    public string? websiteUrl { get; }
 
     private static readonly Regex LegalCharacters = new (@"[A-Z]*[a-z]*[0-9]* *\.*-*,*'*\'*\)*\(*~*!*");
 
     [JsonConstructor]
-    public Manga(string sortName, List<string> authors, string? description, Dictionary<string,string> altTitles, string[] tags, string? coverUrl, string? coverFileNameInCache, Dictionary<string,string>? links, int? year, string? originalLanguage, string status, string publicationId, ReleaseStatusByte releaseStatus = 0, string? folderName = null, float? ignoreChaptersBelow = 0)
+    public Manga(string sortName, List<string> authors, string? description, Dictionary<string,string> altTitles, string[] tags, string? coverUrl, string? coverFileNameInCache, Dictionary<string,string>? links, int? year, string? originalLanguage, string status, string publicationId, ReleaseStatusByte releaseStatus = 0, string? websiteUrl = null, string? folderName = null, float? ignoreChaptersBelow = 0)
     {
         this.sortName = sortName;
         this.authors = authors;
@@ -70,6 +71,7 @@ public struct Manga
         this.latestChapterDownloaded = 0;
         this.latestChapterAvailable = 0;
         this.releaseStatus = releaseStatus;
+        this.websiteUrl = websiteUrl;
     }
 
     public override string ToString()
@@ -102,11 +104,11 @@ public struct Manga
         latestChapterDownloaded = latestChapterDownloaded < chapterNumber ? chapterNumber : latestChapterDownloaded;
     }
 
-    public void SaveSeriesInfoJson(string downloadDirectory)
+    public void SaveSeriesInfoJson(string downloadDirectory, bool overwrite = false)
     {
         string publicationFolder = CreatePublicationFolder(downloadDirectory);
         string seriesInfoPath = Path.Join(publicationFolder, "series.json");
-        if(!File.Exists(seriesInfoPath))
+        if(overwrite || (!overwrite && !File.Exists(seriesInfoPath)))
             File.WriteAllText(seriesInfoPath,this.GetSeriesInfoJson());
         if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
             File.SetUnixFileMode(seriesInfoPath, GroupRead | GroupWrite | OtherRead | OtherWrite | UserRead | UserWrite);