added database to store metadata

ParadoxSaveParser.WebAPI/Routes/GetSaveDataHandler.cs

@@ -1,4 +1,5 @@
 using System.Net;
+using ParadoxSaveParser.WebAPI.Database;
 using ParadoxSaveParser.WebAPI.HttpHelpers;
 
 namespace ParadoxSaveParser.WebAPI.Routes;
@@ -18,7 +19,8 @@ internal class GetSaveDataHandler : RouteHandlerBase
             return await ReturnHelper.ResponseError(ctx, requestLogger, _cancelAllToken, idOrError.Error!);
         string id = idOrError.Value!;
 
-        if(!Program._saveMetadataStorage.TryGetValue(id, out var meta))
+        var meta = await Program.DB.GetMetadata(id);
+        if(meta is null)
             return await ReturnHelper.ResponseError(ctx, requestLogger, _cancelAllToken, 
                 new ErrorMessage(HttpStatusCode.NotFound,
                     $"Save with id {id} not found"));
@@ -27,7 +29,7 @@ internal class GetSaveDataHandler : RouteHandlerBase
                 new ErrorMessage(HttpStatusCode.BadRequest,
                     $"Save with id {id} has status {meta.status}"));
         
-        IOPath dataFilePath = PathHelper.GetParsedSaveFilePath(id);
+        IOPath dataFilePath = meta.GetParsedDataPath();
         if (!File.Exists(dataFilePath))
             return await ReturnHelper.ResponseError(ctx, requestLogger, _cancelAllToken,
                 new ErrorMessage(HttpStatusCode.InternalServerError,