Skip generating chats that do not contain any message

Whatsapp_Chat_Exporter/android_handler.py

@@ -661,6 +661,9 @@ def create_html(
 
     for current, contact in enumerate(data):
         current_chat = data.get_chat(contact)
+        if len(current_chat) == 0:
+            # Skip empty chats
+            continue
         safe_file_name, name = get_file_name(contact, current_chat)
 
         if maximum_size is not None:
@@ -733,6 +736,8 @@ def create_html(
 def create_txt(data, output):
     os.makedirs(output, exist_ok=True)
     for jik, chat in data.items():
+        if len(chat) == 0:
+            continue
         if chat.name is not None:
             contact = chat.name.replace('/', '')
         else:

Whatsapp_Chat_Exporter/data_model.py

@@ -182,6 +182,10 @@ class ChatStore:
         self.their_avatar_thumb = None
         self.status = None
         self.media_base = ""
+    
+    def __len__(self) -> int:
+        """Get number of chats. Required for dict-like access."""
+        return len(self._messages)
 
     def add_message(self, id: str, message: 'Message') -> None:
         """Add a message to the chat store."""