mastodon: feat: add support for pinning and unpinning posts

src/controller/mainController.py

@@ -458,6 +458,14 @@ class Controller(object):
             if hasattr(buffer, "edit_status"):
                 buffer.edit_status()
 
+    def pin_post(self, *args, **kwargs):
+        """ Pins or unpins a post in the current buffer. """
+        buffer = self.view.get_current_buffer()
+        if hasattr(buffer, "account"):
+            buffer = self.search_buffer(buffer.name, buffer.account)
+            if hasattr(buffer, "pin_status"):
+                buffer.pin_status()
+
     def exit(self, *args, **kwargs):
         if config.app["app-settings"]["ask_at_exit"] == True:
             answer = commonMessageDialogs.exit_dialog(self.view)