🐛 Trying to fix activity handler

DysonNetwork.Sphere/ActivityPub/ActivityPubActivityHandler.cs

@@ -564,6 +564,23 @@ public class ActivityPubActivityHandler(
         };
     }
 
+    private static int? TryGetIntValue(Dictionary<string, object> dict, string key)
+    {
+        var value = dict.GetValueOrDefault(key);
+        if (value == null)
+            return null;
+
+        return value switch
+        {
+            int i => i,
+            long l => (int)l,
+            JsonElement { ValueKind: JsonValueKind.Number } element => element.TryGetInt32(out var result)
+                ? result
+                : (int?)element.GetDouble(),
+            _ => null
+        };
+    }
+
     private static Dictionary<string, object>? ConvertToDictionary(object? value)
     {
         if (value == null)
@@ -579,6 +596,7 @@ public class ActivityPubActivityHandler(
             {
                 result[property.Name] = ConvertJsonElementToObject(property.Value);
             }
+
             return result;
         }
 
@@ -616,18 +634,27 @@ public class ActivityPubActivityHandler(
 
     private static List<SnCloudFileReferenceObject>? ParseAttachments(object? value)
     {
-        if (value is JsonElement { ValueKind: JsonValueKind.Array } element)
+        if (value == null)
+            return null;
+
+        var attachments = value switch
         {
-            return element.EnumerateArray()
+            JsonElement { ValueKind: JsonValueKind.Array } element
-                .Select(attachment => new SnCloudFileReferenceObject
+                => element.EnumerateArray().Select(ConvertJsonElementToObject).ToList(),
+            List<object> list => list,
+            _ => null
+        };
+
+        return attachments?.OfType<Dictionary<string, object>>()
+            .Select(dict => new SnCloudFileReferenceObject
             {
                 Id = Guid.NewGuid().ToString(),
-                    Name = attachment.GetProperty("name").GetString() ?? string.Empty,
+                Name = GetStringValue(dict, "name") ?? string.Empty,
-                    Url = attachment.GetProperty("url").GetString(),
+                Url = GetStringValue(dict, "url"),
-                    MimeType = attachment.GetProperty("mediaType").GetString(),
+                MimeType = GetStringValue(dict, "mediaType"),
-                    Width = attachment.GetProperty("width").GetInt32(),
+                Width = TryGetIntValue(dict, "width"),
-                    Height = attachment.GetProperty("height").GetInt32(),
+                Height = TryGetIntValue(dict, "height"),
-                    Blurhash = attachment.GetProperty("blurhash").GetString(),
+                Blurhash = GetStringValue(dict, "blurhash"),
                 FileMeta = new Dictionary<string, object?>(),
                 UserMeta = new Dictionary<string, object?>(),
                 Size = 0,
@@ -637,26 +664,29 @@ public class ActivityPubActivityHandler(
             .ToList();
     }
 
-        return null;
-    }
-
     private static List<ContentMention>? ParseMentions(object? value)
     {
-        if (value is JsonElement { ValueKind: JsonValueKind.Array } element)
+        if (value == null)
+            return null;
+
+        var tags = value switch
         {
-            return element.EnumerateArray()
+            JsonElement { ValueKind: JsonValueKind.Array } element
-                .Where(e => e.GetProperty("type").GetString() == "Mention")
+                => element.EnumerateArray().Select(ConvertJsonElementToObject).ToList(),
-                .Select(mention => new ContentMention
+            List<object> list => list,
+            _ => null
+        };
+
+        return tags?.Where(tag => tag is Dictionary<string, object> dict && GetStringValue(dict, "type") == "Mention")
+            .Select(tag => (Dictionary<string, object>)tag)
+            .Select(dict => new ContentMention
             {
-                    Username = mention.GetProperty("name").GetString(),
+                Username = GetStringValue(dict, "name"),
-                    ActorUri = mention.GetProperty("href").GetString()
+                ActorUri = GetStringValue(dict, "href")
             })
             .ToList();
     }
 
-        return null;
-    }
-
     private static Dictionary<string, object> BuildMetadataFromActivity(Dictionary<string, object> objectDict)
     {
         var metadata = new Dictionary<string, object>();