60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
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"""
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Usernames management service: loads from backend/static/userslist.json and exposes functions to get/add/delete usernames.
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"""
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import os
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import json
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from typing import List, Dict
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USERS_FILE = os.path.join(os.path.dirname(__file__), '..', 'static', 'userslist.json')
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def load_usernames() -> List[str]:
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try:
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with open(USERS_FILE, 'r', encoding='utf-8') as f:
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return json.load(f)
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except Exception:
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return []
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def save_usernames(usernames: List[str]) -> bool:
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try:
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with open(USERS_FILE, 'w', encoding='utf-8') as f:
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json.dump(usernames, f, ensure_ascii=False, indent=4)
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return True
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except Exception:
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return False
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def get_usernames() -> Dict[str, object]:
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try:
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names = load_usernames()
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return {"success": True, "usernames": names}
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except Exception as e:
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return {"success": False, "message": str(e)}
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def add_username(new_username: str) -> Dict[str, object]:
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new_username = new_username.strip()
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if not new_username:
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return {"success": False, "message": "Empty username"}
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names = load_usernames()
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if new_username in names:
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return {"success": False, "message": "Already exists", "usernames": names}
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names.append(new_username)
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names.sort()
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ok = save_usernames(names)
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if ok:
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return {"success": True, "message": "Added", "usernames": names}
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return {"success": False, "message": "Could not save"}
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def delete_username(username: str) -> Dict[str, object]:
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username = username.strip()
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names = load_usernames()
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if username not in names:
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return {"success": False, "message": "Not found", "usernames": names}
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names.remove(username)
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ok = save_usernames(names)
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if ok:
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return {"success": True, "message": "Deleted", "usernames": names}
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return {"success": False, "message": "Could not save"}
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