WIP: Manga can be linked to multiple Connectors

API/JobQueueSortable.cs

@@ -0,0 +1,47 @@
+using API.Schema.Jobs;
+
+namespace API;
+
+internal static class JobQueueSorter
+{
+    public static readonly Dictionary<JobType, byte> JobTypePriority = new()
+    {
+
+        { JobType.DownloadSingleChapterJob, 50 },
+        { JobType.DownloadAvailableChaptersJob, 51 },
+        { JobType.MoveFileOrFolderJob, 102 },
+        { JobType.DownloadMangaCoverJob, 10 },
+        { JobType.RetrieveChaptersJob, 52 },
+        { JobType.UpdateChaptersDownloadedJob, 90 },
+        { JobType.MoveMangaLibraryJob, 101 },
+        { JobType.UpdateCoverJob, 11 },
+    };
+
+    public static byte GetPriority(Job job)
+    {
+        return JobTypePriority[job.JobType];
+    }
+
+    public static byte GetPriority(JobType jobType)
+    {
+        return JobTypePriority[jobType];
+    }
+    
+    public static IEnumerable<Job> Sort(this IEnumerable<Job> jobQueueSortables)
+    {
+        return jobQueueSortables.Order();
+    }
+
+    public static IEnumerable<Job> GetStartableJobs(this IEnumerable<Job> jobQueueSortables)
+    {
+        Job[] sorted = jobQueueSortables.Order().ToArray();
+        // Job has to be due, no missing dependenices
+        // Index - 1, Index is first job that does not match requirements
+        IEnumerable<(int Index, Job Item)> index = sorted.Index();
+        (int i, Job? item) = index.FirstOrDefault(job =>
+            job.Item.NextExecution > DateTime.UtcNow || job.Item.GetDependencies().Any(j => !j.IsCompleted));
+        if (item is null)
+            return sorted;
+        index.
+    }
+}