Support tombstoned tweets in threads

src/parser.nim

@@ -437,6 +437,18 @@ proc parseGraphConversation*(js: JsonNode; tweetId: string): Conversation =
           result.tweet = tweet
         else:
           result.before.content.add tweet
+    elif entryId.startsWith("tombstone"):
+      let id = entryId.getId()
+      let tweet = Tweet(
+        id: parseBiggestInt(id),
+        available: false,
+        text: e{"content", "itemContent"}.getTombstone
+      )
+
+      if id == tweetId:
+        result.tweet = tweet
+      else:
+        result.before.content.add tweet
     elif entryId.startsWith("conversationthread"):
       let (thread, self) = parseGraphThread(e)
       if self:

src/parserutils.nim

@@ -133,6 +133,9 @@ proc getTombstone*(js: JsonNode): string =
   result = js{"tombstoneInfo", "richText", "text"}.getStr
   result.removeSuffix(" Learn more")
 
+  if result.len == 0:
+    result = js{"tombstoneInfo", "text"}.getStr
+
 proc getMp4Resolution*(url: string): int =
   # parses the height out of a URL like this one:
   # https://video.twimg.com/ext_tw_video/<tweet-id>/pu/vid/720x1280/<random>.mp4