Minor refactor to handling of level republishes

Refresh.GameServer/Database/GameDatabaseContext.Levels.cs

@@ -58,34 +58,41 @@ public GameLevel GetStoryLevelById(int id)
         return level;
     }
 
-    public GameLevel? UpdateLevel(GameLevel level, GameUser user)
+    public GameLevel? UpdateLevel(GameLevel newLevel, GameUser author)
     {
         // Verify if this level is able to be republished
-        GameLevel? oldSlot = this.GetLevelById(level.LevelId);
-        if (oldSlot == null) return null;
+        GameLevel? oldLevel = this.GetLevelById(newLevel.LevelId);
+        if (oldLevel == null) return null;
 
-        Debug.Assert(oldSlot.Publisher != null);
-        if (oldSlot.Publisher.UserId != user.UserId) return null;
+        Debug.Assert(oldLevel.Publisher != null);
+        if (oldLevel.Publisher.UserId != author.UserId) return null;
 
-        // All checks passed, lets move
-
-        long oldDate = oldSlot.PublishDate;
+        // All checks passed, let's start by retaining some information from the old level
+        newLevel.Publisher = author;
+        newLevel.PublishDate = newLevel.PublishDate;
+        newLevel.UpdateDate = this._time.TimestampMilliseconds; // Set the last modified date
+
+        // If the actual contents of the level haven't changed, extract some extra information
+        if (oldLevel.RootResource == newLevel.RootResource)
+        {
+            newLevel.TeamPicked = oldLevel.TeamPicked;
+            newLevel.GameVersion = oldLevel.GameVersion;
+        }
+
+        // Now newLevel is set up to replace oldLevel.
+        // If information is lost here, then that's probably a bug.
+        // Update the level's properties in the database
         this._realm.Write(() =>
         {
             PropertyInfo[] userProps = typeof(GameLevel).GetProperties();
             foreach (PropertyInfo prop in userProps)
             {
                 if (!prop.CanWrite || !prop.CanRead) continue;
-                prop.SetValue(oldSlot, prop.GetValue(level));
+                prop.SetValue(oldLevel, prop.GetValue(newLevel));
             }
-
-            oldSlot.Publisher = user;
-
-            oldSlot.PublishDate = oldDate;
-            oldSlot.UpdateDate = this._time.TimestampMilliseconds;
         });
 
-        return oldSlot;
+        return oldLevel;
     }
 
     public GameLevel UpdateLevel(ApiEditLevelRequest body, GameLevel level)

Refresh.GameServer/Endpoints/Game/Levels/PublishEndpoints.cs

@@ -83,7 +83,14 @@ private static bool VerifyLevel(GameLevelRequest body, GameUser user, Logger log
     }
 
     [GameEndpoint("publish", ContentType.Xml, HttpMethods.Post)]
-    public Response PublishLevel(RequestContext context, GameUser user, Token token, GameDatabaseContext database, GameLevelRequest body, CommandService command, IDataStore dataStore, GuidCheckerService guidChecker)
+    public Response PublishLevel(RequestContext context,
+        GameUser user,
+        Token token,
+        GameDatabaseContext database,
+        GameLevelRequest body,
+        CommandService commandService,
+        IDataStore dataStore,
+        GuidCheckerService guidChecker)
     {
         //If verifying the request fails, return null
         if (!VerifyLevel(body, user, context.Logger, guidChecker, token.TokenGame)) return BadRequest;
@@ -117,7 +124,7 @@ public Response PublishLevel(RequestContext context, GameUser user, Token token,
         }
 
         //Mark the user as no longer publishing
-        command.StopPublishing(user.UserId);
+        commandService.StopPublishing(user.UserId);
 
         level.Publisher = user;