updated to accept only .tar.zstd uploads

ParadoxSaveParser.WebAPI/BackgroundTasks/SaveParsingOperation.cs

@@ -1,6 +1,4 @@
 using System.IO;
-using System.IO.Compression;
-using System.Linq;
 using System.Text.Encodings.Web;
 using System.Text.Json.Serialization;
 using ParadoxSaveParser.WebAPI.Database;
@@ -14,6 +12,7 @@ public class SaveParsingOperation
     
     private readonly SaveFileMetadata _meta;
     private readonly ISaveDataFilter _filter;
+    private readonly long _maxGameDataBytes;
     private readonly ContextLogger _logger;
     private readonly CancellationToken _ct;
 
@@ -26,11 +25,12 @@ public class SaveParsingOperation
     };
 
     public SaveParsingOperation(long operationId, SaveFileMetadata meta, ISaveDataFilter filter,
-        ContextLogger logger, CancellationToken ct)
+        long maxGameDataBytes, ContextLogger logger, CancellationToken ct)
     {
         OperationId = operationId;
         _meta = meta;
         _filter = filter;
+        _maxGameDataBytes = maxGameDataBytes;
         _logger = logger;
         _ct = ct;
     }
@@ -76,17 +76,10 @@ public class SaveParsingOperation
         Dictionary<string, object> parsedData;
         await using (var gamestateStream = PathHelper.CreateTempFile())
         {
-            // TODO: ckeck if it is zip archive or plain text like in Search.cs
-            using (var zipArchive = ZipFile.Open(_meta.GetSaveFilePath().Str, ZipArchiveMode.Read))
-            {
-                var zipEntry = zipArchive.Entries.FirstOrDefault(e => e.Name == "gamestate");
-                if (zipEntry is null)
-                    throw new Exception("Invalid save format: no 'gamestate' file found");
+            await SaveArchive.ExtractGameData(_meta.GetSaveFilePath(), _meta.game, gamestateStream,
+                _maxGameDataBytes, _ct);
+            gamestateStream.Seek(0, SeekOrigin.Begin);
 
-                await zipEntry.Open().CopyToAsync(gamestateStream, _ct);
-                gamestateStream.Seek(0, SeekOrigin.Begin);
-            }
-            
             await Program.DB.UpdateMetadataStatus(_meta, SaveFileProcessingStatus.Parsing);
             var parser = new SaveParserEU4(gamestateStream, _filter.SearchExpression);
             parsedData = parser.Parse();