add user index

mattermost-dl.py

@@ -270,7 +270,7 @@ def get_token_via_gitlab(host: str, gitlab_url: str, username: str, password: st
     return session.cookies.get("MMAUTHTOKEN")
 
 
-def get_users(d: Driver) -> Tuple[Dict[str, str], str]:
+def get_users(d: Driver) -> Tuple[Dict[str, str], str, List[dict]]:
     my_user = d.users.get_user("me")
     my_username = my_user["username"]
     my_user_id = my_user["id"]
@@ -278,6 +278,7 @@ def get_users(d: Driver) -> Tuple[Dict[str, str], str]:
 
     # Get all usernames as we want to use those instead of the user ids
     user_id_to_name = {}
+    user_profiles = []
     page = 0
     print("Downloading all user information... ", end="")
     while True:
@@ -286,10 +287,27 @@ def get_users(d: Driver) -> Tuple[Dict[str, str], str]:
             break
         for user in users_resp:
             user_id_to_name[user["id"]] = user["username"]
+            user_profiles.append(
+                {
+                    "username": user.get("username") or "",
+                    "first_name": user.get("first_name") or "",
+                    "last_name": user.get("last_name") or "",
+                    "nickname": user.get("nickname") or "",
+                }
+            )
         page += 1
     print(f"Found {len(user_id_to_name)} users!")
 
-    return user_id_to_name, my_user_id
+    return user_id_to_name, my_user_id, user_profiles
+
+
+def save_users_json(output_base: str, user_profiles: List[dict]) -> str:
+    output_path = pathlib.Path(output_base) / "users.json"
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    with open(output_path, "w", encoding="utf-8") as f:
+        json.dump(user_profiles, f, indent=2, ensure_ascii=False)
+    print(f"Saved user directory to '{output_path}'")
+    return str(output_path)
 
 
 def select_team(d: Driver, my_user_id: str) -> str:
@@ -731,7 +749,8 @@ if __name__ == '__main__':
             print("Please restart the script to reconfigure authentication.")
             raise SystemExit(1) from e
         raise
-    user_id_to_name, my_user_id = get_users(d)
+    user_id_to_name, my_user_id, user_profiles = get_users(d)
+    save_users_json(output_base, user_profiles)
     team = select_team(d, my_user_id)
     channels = select_channel(d, team, my_user_id, user_id_to_name)
     for i_channel, channel in enumerate(channels):