Adding loggin to troubleshoot location generation issue

microservices/CharacterApi/Services/CharacterStore.cs

@@ -9,6 +9,8 @@ public class CharacterStore
     private readonly IMongoCollection<Character> _col;
     private readonly IMongoCollection<VisibleLocation> _locations;
 
+    public sealed record VisibleLocationResult(List<VisibleLocation> Locations, int GeneratedCount);
+
     public CharacterStore(IConfiguration cfg)
     {
         var cs = cfg["MongoDB:ConnectionString"] ?? "mongodb://127.0.0.1:27017";
@@ -46,10 +48,11 @@ public class CharacterStore
         return GetVisibleLocationsInternalAsync(character, ensureGenerated: false);
     }
 
-    public async Task<List<VisibleLocation>> GetOrCreateVisibleLocationsAsync(Character character)
+    public async Task<VisibleLocationResult> GetOrCreateVisibleLocationsAsync(Character character)
     {
-        await EnsureVisibleLocationsExistAsync(character);
-        return await GetVisibleLocationsInternalAsync(character, ensureGenerated: true);
+        var generatedCount = await EnsureVisibleLocationsExistAsync(character);
+        var locations = await GetVisibleLocationsInternalAsync(character, ensureGenerated: true);
+        return new VisibleLocationResult(locations, generatedCount);
     }
 
     private Task<List<VisibleLocation>> GetVisibleLocationsInternalAsync(Character character, bool ensureGenerated)
@@ -70,9 +73,10 @@ public class CharacterStore
         return _locations.Find(filter).ToListAsync();
     }
 
-    private async Task EnsureVisibleLocationsExistAsync(Character character)
+    private async Task<int> EnsureVisibleLocationsExistAsync(Character character)
     {
         var radius = character.VisionRadius > 0 ? character.VisionRadius : 3;
+        var generatedCount = 0;
 
         for (var x = character.Coord.X - radius; x <= character.Coord.X + radius; x++)
         {
@@ -91,7 +95,9 @@ public class CharacterStore
 
                 try
                 {
-                    await _locations.UpdateOneAsync(filter, update, new UpdateOptions { IsUpsert = true });
+                    var result = await _locations.UpdateOneAsync(filter, update, new UpdateOptions { IsUpsert = true });
+                    if (result.UpsertedId is not null)
+                        generatedCount += 1;
                 }
                 catch (MongoWriteException ex) when (ex.WriteError.Category == ServerErrorCategory.DuplicateKey)
                 {
@@ -99,6 +105,8 @@ public class CharacterStore
                 }
             }
         }
+
+        return generatedCount;
     }
 
     private static string DefaultLocationName(int x, int y)