change downloads to concurrentdictionary

MareSynchronos/Managers/CachedPlayer.cs

@@ -147,6 +147,7 @@ public class CachedPlayer
                 {
                     Logger.Debug("Downloading missing files for player " + PlayerName + ", kind: " + objectKind);
                     await _apiController.DownloadFiles(downloadId, toDownloadReplacements, downloadToken);
+                    _apiController.CancelDownload(downloadId);
                     if (downloadToken.IsCancellationRequested)
                     {
                         Logger.Verbose("Detected cancellation");

MareSynchronos/UI/CompactUI.cs

@@ -378,7 +378,7 @@ namespace MareSynchronos.UI
 
             if (currentDownloads.Any())
             {
-                var totalDownloads = currentDownloads.Count;
+                var totalDownloads = currentDownloads.Count();
                 var doneDownloads = currentDownloads.Count(c => c.IsTransferred);
                 var totalDownloaded = currentDownloads.Sum(c => c.Transferred);
                 var totalToDownload = currentDownloads.Sum(c => c.Total);

MareSynchronos/WebAPI/ApIController.Functions.Files.cs

@@ -95,7 +95,7 @@ namespace MareSynchronos.WebAPI
                 {
                     File.Delete(tempFile);
                     Logger.Debug("Detected cancellation, removing " + currentDownloadId);
-                    CurrentDownloads.Remove(currentDownloadId);
+                    CancelDownload(currentDownloadId);
                     break;
                 }
 
@@ -136,7 +136,7 @@ namespace MareSynchronos.WebAPI
             }
 
             Logger.Debug("Download complete, removing " + currentDownloadId);
-            CurrentDownloads.Remove(currentDownloadId);
+            CancelDownload(currentDownloadId);
         }
 
         public async Task PushCharacterData(CharacterCacheDto character, List<string> visibleCharacterIds)
@@ -292,7 +292,10 @@ namespace MareSynchronos.WebAPI
 
         public void CancelDownload(int downloadId)
         {
-            CurrentDownloads.Remove(downloadId);
+            while (CurrentDownloads.ContainsKey(downloadId))
+            {
+                CurrentDownloads.TryRemove(downloadId, out _);
+            }
         }
     }
 

MareSynchronos/WebAPI/ApiController.Connectivity.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net.Http;
@@ -93,7 +94,7 @@ namespace MareSynchronos.WebAPI
 
         public event SimpleStringDelegate? UnpairedFromOther;
 
-        public Dictionary<int, List<DownloadFileTransfer>> CurrentDownloads { get; } = new();
+        public ConcurrentDictionary<int, List<DownloadFileTransfer>> CurrentDownloads { get; } = new();
 
         public List<FileTransfer> CurrentUploads { get; } = new();