Write state file and resume from there

Signed-off-by: Markus Birth <markus@birth-online.de>

main.py

@@ -185,6 +185,18 @@ def main():
         
         print(f"Totals: Found [bold red]{len(to_block)}[/bold red] users not already on list.")
 
+        success_file = "successes.txt"
+        if os.path.isfile(success_file):
+            print("Found state file. Processing...")
+            removed = 0
+            with open(success_file, "rt") as f:
+                for line in f.readlines():
+                    did = line.strip()
+                    if did in to_block:
+                        to_block.discard(did)
+                        removed += 1
+            print(f"Removed [bold green]{removed}[/bold green] users that were already blocked on a previous run.")
+
         task_add_to_list = prog.add_task(f"Adding users to list", total=len(to_block))
         users_processed = 0
         users_error = 0
@@ -194,6 +206,8 @@ def main():
                 print(f"[bold red]ERROR adding user [bold blue]{did_to_block}[/bold blue] to your list.")
                 users_error += 1
             users_processed += 1
+            with open(success_file, "at") as f:
+                f.write(did_to_block + "\n")
             prog.update(task_add_to_list, completed=users_processed)
 
 if __name__ == "__main__":