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Update app.py
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app.py
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# app.py
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import os
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import json
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import time
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@@ -9,21 +9,25 @@ import threading
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from huggingface_hub import HfApi, hf_hub_download
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from huggingface_hub.utils import RepositoryNotFoundError, EntryNotFoundError
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import requests
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# --- تنظیمات اصلی ---
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DATASET_REPO = "Ezmary/Karbaran-rayegan-tedad"
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DATASET_FILENAME = "image_usage_data.json"
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USAGE_LIMIT = 5
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HF_TOKEN = os.environ.get("HF_TOKEN")
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# --- راهاندازی Flask و لاگها ---
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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app = Flask(__name__)
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CORS(app)
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# --- مدیریت دادههای کاربران ---
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usage_data_cache = []
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cache_lock = threading.Lock()
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api = None
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if not HF_TOKEN:
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@@ -38,73 +42,81 @@ def load_initial_data():
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if not api: return
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try:
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logging.info(f"Attempting to load data from '{DATASET_REPO}/{DATASET_FILENAME}'...")
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usage_data_cache = cleaned_data
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# --- END: حذف خودکار ---
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except (RepositoryNotFoundError, EntryNotFoundError):
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logging.warning(f"Dataset file '{DATASET_FILENAME}' not found. A new one will be created.")
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usage_data_cache = []
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except Exception as e:
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logging.error(f"Failed to load initial data: {e}")
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with
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if not api:
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if data_to_write is None:
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data_to_write = list(usage_data_cache)
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try:
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json.dump(data_to_write,
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api.upload_file(
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path_or_fileobj=temp_filepath,
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path_in_repo=DATASET_FILENAME,
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repo_id=DATASET_REPO,
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repo_type="dataset",
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commit_message=
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)
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logging.info(f"Successfully persisted data to '{DATASET_FILENAME}' on Hub.")
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except Exception as e:
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logging.error(f"CRITICAL: Failed to persist data to Hub: {e}")
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while True:
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time.sleep(
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persist_data_to_hub()
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# --- روتهای API ---
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reset_timestamp = 0
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if user_record:
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user_record['last_seen'] = now
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if user_record.get('week_start', 0) < (now - one_week_seconds):
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user_record['count'] = 0
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user_record['week_start'] = now
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credits_remaining = max(0, USAGE_LIMIT - user_record.get('count', 0))
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if credits_remaining == 0:
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return jsonify({"status": "limit_reached", "credits_remaining": 0, "reset_timestamp": reset_timestamp}), 429
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user_record['count'] += 1
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user_record['last_seen'] = now
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else:
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user_record = {"id": user_id, "count": 1, "week_start": now, "last_seen": now}
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usage_data_cache.append(user_record)
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credits_remaining = USAGE_LIMIT - user_record['count']
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#
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current_cache_copy = list(usage_data_cache)
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# یک ترد جدید برای ذخیره دادهها در پسزمینه ایجاد و اجرا میکنیم
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save_thread = threading.Thread(target=persist_data_to_hub, args=(current_cache_copy,))
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save_thread.start()
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# --- END: ذخیرهسازی فوری ---
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return jsonify({"status": "success", "credits_remaining": credits_remaining})
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@@ -203,10 +209,14 @@ def proxy_image():
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# --- اجرای برنامه ---
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if __name__ != '__main__':
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if __name__ == '__main__':
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port = int(os.environ.get('PORT', 7860))
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# app.py (نسخه نهایی، پایدار و بهینه شده)
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import os
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import json
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import time
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from huggingface_hub import HfApi, hf_hub_download
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from huggingface_hub.utils import RepositoryNotFoundError, EntryNotFoundError
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import requests
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import tempfile
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# --- تنظیمات اصلی ---
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DATASET_REPO = "Ezmary/Karbaran-rayegan-tedad"
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DATASET_FILENAME = "image_usage_data.json"
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USAGE_LIMIT = 5
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HF_TOKEN = os.environ.get("HF_TOKEN")
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TEMP_DIR = "/app/tmp" # <<< تغییر کلیدی: استفاده از پوشه موقت امن
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# --- راهاندازی Flask و لاگها ---
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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app = Flask(__name__)
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CORS(app)
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# --- مدیریت دادههای کاربران و قفلها ---
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usage_data_cache = []
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cache_lock = threading.Lock() # قفل برای دسترسی به حافظه کش
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data_changed = threading.Event() # برای اطلاع از وجود تغییرات برای ذخیره
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persistence_lock = threading.Lock() # <<< تغییر کلیدی: قفل جدید برای اتمی کردن عملیات ذخیرهسازی >>>
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api = None
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if not HF_TOKEN:
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if not api: return
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try:
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logging.info(f"Attempting to load data from '{DATASET_REPO}/{DATASET_FILENAME}'...")
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# <<< تغییر کلیدی: دانلود در پوشه موقت برای جلوگیری از مشکلات دسترسی >>>
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with tempfile.TemporaryDirectory(dir=TEMP_DIR) as tmp_download_dir:
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local_path = hf_hub_download(
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repo_id=DATASET_REPO,
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filename=DATASET_FILENAME,
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repo_type="dataset",
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token=HF_TOKEN,
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force_download=True,
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cache_dir=tmp_download_dir
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)
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with open(local_path, 'r', encoding='utf-8') as f:
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content = f.read()
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data_from_hub = json.loads(content) if content else []
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logging.info(f"Loaded {len(data_from_hub)} records from {DATASET_FILENAME}.")
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# --- حذف خودکار رکوردهای قدیمیتر از ۶ ماه ---
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now = time.time()
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six_months_ago = now - (6 * 30 * 24 * 60 * 60)
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cleaned_data = [user for user in data_from_hub if user.get('last_seen', 0) > six_months_ago]
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pruned_count = len(data_from_hub) - len(cleaned_data)
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if pruned_count > 0:
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logging.info(f"Pruned {pruned_count} user records older than 6 months.")
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data_changed.set() # <<< تغییر کلیدی: فقط فلگ را ست میکنیم، ترد پسزمینه ذخیره میکند >>>
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usage_data_cache = cleaned_data
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except json.JSONDecodeError:
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# <<< تغییر کلیدی: مدیریت فایل خراب برای جلوگیری از کرش و صفحه سفید >>>
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logging.error(f"CRITICAL: Failed to decode JSON from '{DATASET_FILENAME}'. The file is likely corrupted. Starting fresh.")
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usage_data_cache = []
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except (RepositoryNotFoundError, EntryNotFoundError):
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logging.warning(f"Dataset file '{DATASET_FILENAME}' not found. A new one will be created.")
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usage_data_cache = []
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except Exception as e:
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logging.error(f"Failed to load initial data: {e}", exc_info=True)
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usage_data_cache = []
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def persist_data_to_hub():
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# <<< تغییر کلیدی: این تابع اکنون کاملاً Thread-Safe و امن است >>>
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with persistence_lock:
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if not data_changed.is_set() or not api:
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return
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with cache_lock:
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data_to_write = list(usage_data_cache)
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data_changed.clear()
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temp_filepath = None
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try:
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with tempfile.NamedTemporaryFile(mode='w', encoding='utf-8', dir=TEMP_DIR, delete=False, suffix='.json') as temp_f:
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temp_filepath = temp_f.name
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json.dump(data_to_write, temp_f, ensure_ascii=False, indent=2)
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logging.info(f"Change detected, persisting {len(data_to_write)} records to Hub...")
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api.upload_file(
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path_or_fileobj=temp_filepath,
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path_in_repo=DATASET_FILENAME,
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repo_id=DATASET_REPO,
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repo_type="dataset",
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commit_message="Update image editor usage data [automated]"
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)
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logging.info(f"Successfully persisted data to Hub.")
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except Exception as e:
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logging.error(f"CRITICAL: Failed to persist data to Hub: {e}", exc_info=True)
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data_changed.set() # اگر آپلود ناموفق بود، فلگ را دوباره ست میکنیم
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finally:
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if temp_filepath and os.path.exists(temp_filepath):
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os.remove(temp_filepath)
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def background_persister():
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# <<< تغییر کلیدی: این ترد اصلی برای ذخیرهسازی است و هر ۳۰ ثانیه اجرا میشود >>>
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while True:
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time.sleep(30)
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persist_data_to_hub()
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# --- روتهای API ---
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reset_timestamp = 0
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if user_record:
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user_record['last_seen'] = now # آپدیت زمان آخرین فعالیت
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if user_record.get('week_start', 0) < (now - one_week_seconds):
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user_record['count'] = 0
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user_record['week_start'] = now
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data_changed.set() # اگر هفته ریست شد، باید ذخیره شود
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credits_remaining = max(0, USAGE_LIMIT - user_record.get('count', 0))
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if credits_remaining == 0:
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return jsonify({"status": "limit_reached", "credits_remaining": 0, "reset_timestamp": reset_timestamp}), 429
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user_record['count'] += 1
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user_record['last_seen'] = now
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else:
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user_record = {"id": user_id, "count": 1, "week_start": now, "last_seen": now}
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usage_data_cache.append(user_record)
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credits_remaining = USAGE_LIMIT - user_record['count']
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# <<< تغییر کلیدی: به جای ایجاد ترد جدید، فقط فلگ تغییرات را فعال میکنیم >>>
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data_changed.set()
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return jsonify({"status": "success", "credits_remaining": credits_remaining})
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# --- اجرای برنامه ---
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if __name__ != '__main__':
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# <<< تغییر کلیدی: افزایش پایداری در استارتآپ >>>
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try:
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load_initial_data()
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persister_thread = threading.Thread(target=background_persister, daemon=True)
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persister_thread.start()
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logging.info("Application startup complete.")
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except Exception as e:
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logging.critical(f"A critical error occurred during application startup: {e}", exc_info=True)
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if __name__ == '__main__':
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port = int(os.environ.get('PORT', 7860))
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