Create app.py

app.py

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+import os
+import time
+import hashlib
+import threading
+import asyncio
+import re
+from datetime import datetime, timedelta
+from concurrent.futures import ThreadPoolExecutor
+from typing import Dict, List, Optional, Any
+import json
+
+from fastapi import FastAPI, HTTPException, BackgroundTasks
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel, Field
+import torch
+from transformers import M2M100ForConditionalGeneration, M2M100Tokenizer
+import requests
+
+# تنظیمات اولیه
+MODEL_NAME = "facebook/m2m100_418M"
+CACHE_EXPIRY = 60 * 60  # 60 دقیقه
+MAX_CHUNK_SIZE = 350
+MAX_WORKERS = 3
+CLEANUP_INTERVAL = 300  # 5 دقیقه
+
+# نگاشت زبان‌ها
+LANGUAGE_MAP = {
+    "English": "en",
+    "Persian": "fa", 
+    "Farsi": "fa",
+    "Arabic": "ar",
+    "Spanish": "es",
+    "French": "fr",
+    "German": "de",
+    "Italian": "it",
+    "Portuguese": "pt",
+    "Russian": "ru",
+    "Chinese": "zh",
+    "Japanese": "ja",
+    "Korean": "ko",
+    "Hindi": "hi",
+    "Turkish": "tr",
+    "Dutch": "nl",
+    "Swedish": "sv",
+    "Norwegian": "no",
+    "Danish": "da",
+    "Finnish": "fi",
+    "Polish": "pl",
+    "Czech": "cs",
+    "Hungarian": "hu",
+    "Romanian": "ro",
+    "Greek": "el",
+    "Hebrew": "he",
+    "Thai": "th",
+    "Vietnamese": "vi",
+    "Indonesian": "id",
+    "Malay": "ms",
+    "Tamil": "ta",
+    "Bengali": "bn",
+    "Urdu": "ur",
+    "Ukrainian": "uk",
+    "Bulgarian": "bg",
+    "Croatian": "hr",
+    "Serbian": "sr",
+    "Slovak": "sk",
+    "Slovenian": "sl",
+    "Estonian": "et",
+    "Latvian": "lv",
+    "Lithuanian": "lt",
+    "Maltese": "mt",
+    "Catalan": "ca",
+    "Galician": "gl",
+    "Basque": "eu",
+    "Welsh": "cy",
+    "Irish": "ga",
+    "Scottish": "gd",
+    "Icelandic": "is",
+    "Albanian": "sq",
+    "Macedonian": "mk",
+    "Bosnian": "bs",
+    "Montenegrin": "cnr",
+    "Swahili": "sw",
+    "Amharic": "am",
+    "Yoruba": "yo",
+    "Igbo": "ig",
+    "Hausa": "ha",
+    "Somali": "so",
+    "Oromo": "om",
+    "Tigrinya": "ti",
+    "Afrikaans": "af",
+    "Zulu": "zu",
+    "Xhosa": "xh",
+    "Sotho": "st",
+    "Tswana": "tn",
+    "Tsonga": "ts",
+    "Venda": "ve",
+    "Ndebele": "nr",
+    "Gujarati": "gu",
+    "Punjabi": "pa",
+    "Telugu": "te",
+    "Kannada": "kn",
+    "Malayalam": "ml",
+    "Marathi": "mr",
+    "Nepali": "ne",
+    "Sinhala": "si",
+    "Burmese": "my",
+    "Khmer": "km",
+    "Lao": "lo",
+    "Mongolian": "mn",
+    "Kazakh": "kk",
+    "Uzbek": "uz",
+    "Tajik": "tg",
+    "Kyrgyz": "ky",
+    "Turkmen": "tk",
+    "Azerbaijani": "az",
+    "Georgian": "ka",
+    "Armenian": "hy"
+}
+
+# مدل‌های Pydantic
+class TranslationRequest(BaseModel):
+    text: str = Field(..., description="متن برای ترجمه")
+    source_lang: str = Field(..., description="زبان مبدا")
+    target_lang: str = Field(..., description="زبان مقصد")
+    auto_charge: bool = Field(default=False, description="کسر خودکار اعتبار")
+
+class TranslationFormRequest(BaseModel):
+    text: str
+    source_lang: str
+    target_lang: str
+
+class CompletionCheckRequest(BaseModel):
+    request_id: str
+
+class StatusCheckRequest(BaseModel):
+    request_id: str
+
+class AutoChargeStatusRequest(BaseModel):
+    request_id: str
+
+# کلاس کش ترجمه
+class TranslationCache:
+    def __init__(self, expiry_minutes: int = 60):
+        self.cache: Dict[str, Dict] = {}
+        self.expiry = expiry_minutes * 60
+        self.lock = threading.Lock()
+    
+    def _generate_key(self, text: str, source_lang: str, target_lang: str) -> str:
+        content = f"{text}:{source_lang}:{target_lang}"
+        return hashlib.md5(content.encode()).hexdigest()
+    
+    def get(self, text: str, source_lang: str, target_lang: str) -> Optional[str]:
+        key = self._generate_key(text, source_lang, target_lang)
+        with self.lock:
+            if key in self.cache:
+                entry = self.cache[key]
+                if time.time() - entry['timestamp'] < self.expiry:
+                    return entry['translation']
+                else:
+                    del self.cache[key]
+        return None
+    
+    def set(self, text: str, source_lang: str, target_lang: str, translation: str):
+        key = self._generate_key(text, source_lang, target_lang)
+        with self.lock:
+            self.cache[key] = {
+                'translation': translation,
+                'timestamp': time.time()
+            }
+    
+    def clear_expired(self):
+        current_time = time.time()
+        with self.lock:
+            expired_keys = [
+                key for key, entry in self.cache.items()
+                if current_time - entry['timestamp'] >= self.expiry
+            ]
+            for key in expired_keys:
+                del self.cache[key]
+    
+    def get_stats(self) -> Dict:
+        with self.lock:
+            return {
+                'cache_size': len(self.cache),
+                'total_entries': len(self.cache)
+            }
+
+# کلاس تقسیم متن
+class TextChunker:
+    def __init__(self, max_chunk_size: int = MAX_CHUNK_SIZE):
+        self.max_chunk_size = max_chunk_size
+    
+    def chunk_text(self, text: str) -> List[str]:
+        if len(text) <= self.max_chunk_size:
+            return [text]
+        
+        # تقسیم بر اساس پاراگراف
+        paragraphs = text.split('\n\n')
+        chunks = []
+        current_chunk = ""
+        
+        for paragraph in paragraphs:
+            if len(current_chunk) + len(paragraph) <= self.max_chunk_size:
+                if current_chunk:
+                    current_chunk += '\n\n' + paragraph
+                else:
+                    current_chunk = paragraph
+            else:
+                if current_chunk:
+                    chunks.append(current_chunk)
+                
+                if len(paragraph) <= self.max_chunk_size:
+                    current_chunk = paragraph
+                else:
+                    # تقسیم پاراگراف طولانی
+                    sub_chunks = self._split_long_paragraph(paragraph)
+                    chunks.extend(sub_chunks[:-1])
+                    current_chunk = sub_chunks[-1] if sub_chunks else ""
+        
+        if current_chunk:
+            chunks.append(current_chunk)
+        
+        return chunks
+    
+    def _split_long_paragraph(self, text: str) -> List[str]:
+        # تقسیم بر اساس جملات
+        sentences = re.split(r'[.!?]+\s+', text)
+        chunks = []
+        current_chunk = ""
+        
+        for sentence in sentences:
+            if len(current_chunk) + len(sentence) <= self.max_chunk_size:
+                if current_chunk:
+                    current_chunk += '. ' + sentence
+                else:
+                    current_chunk = sentence
+            else:
+                if current_chunk:
+                    chunks.append(current_chunk)
+                
+                if len(sentence) <= self.max_chunk_size:
+                    current_chunk = sentence
+                else:
+                    # تقسیم بر اساس کاما
+                    comma_parts = sentence.split(', ')
+                    for part in comma_parts:
+                        if len(current_chunk) + len(part) <= self.max_chunk_size:
+                            if current_chunk:
+                                current_chunk += ', ' + part
+                            else:
+                                current_chunk = part
+                        else:
+                            if current_chunk:
+                                chunks.append(current_chunk)
+                            current_chunk = part
+        
+        if current_chunk:
+            chunks.append(current_chunk)
+        
+        return chunks
+
+# صف ترجمه
+class TranslationQueue:
+    def __init__(self, max_workers: int = MAX_WORKERS):
+        self.executor = ThreadPoolExecutor(max_workers=max_workers)
+        self.tasks: Dict[str, Dict] = {}
+        self.lock = threading.Lock()
+    
+    def add_task(self, session_id: str, task_func, *args, **kwargs):
+        with self.lock:
+            future = self.executor.submit(task_func, *args, **kwargs)
+            self.tasks[session_id] = {
+                'future': future,
+                'start_time': time.time(),
+                'status': 'processing'
+            }
+    
+    def get_task_status(self, session_id: str) -> Optional[Dict]:
+        with self.lock:
+            return self.tasks.get(session_id)
+    
+    def remove_task(self, session_id: str):
+        with self.lock:
+            if session_id in self.tasks:
+                del self.tasks[session_id]
+
+# کلاس اصلی مترجم
+class MultilingualTranslator:
+    def __init__(self, cache_expiry_minutes: int = 60):
+        print("در حال بارگذاری مدل M2M100...")
+        
+        # بارگذاری مدل و توکنایزر
+        self.tokenizer = M2M100Tokenizer.from_pretrained(MODEL_NAME)
+        self.model = M2M100ForConditionalGeneration.from_pretrained(MODEL_NAME)
+        
+        # تشخیص GPU
+        self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
+        self.model.to(self.device)
+        print(f"مدل روی {self.device} بارگذاری شد")
+        
+        # اجزای کمکی
+        self.cache = TranslationCache(cache_expiry_minutes)
+        self.chunker = TextChunker()
+        self.queue = TranslationQueue()
+        
+        # ذخیره وضعیت ترجمه‌ها
+        self.translation_sessions: Dict[str, Dict] = {}
+        self.completed_translations: Dict[str, Dict] = {}
+        self.translation_requests: Dict[str, Dict] = {}
+        
+        # آمار
+        self.total_requests = 0
+        self.lock = threading.Lock()
+    
+    def _normalize_language(self, lang: str) -> str:
+        """تبدیل نام زبان به کد دوحرفی"""
+        if lang in LANGUAGE_MAP:
+            return LANGUAGE_MAP[lang]
+        elif lang.lower() in [v.lower() for v in LANGUAGE_MAP.values()]:
+            return lang.lower()
+        else:
+            raise ValueError(f"زبان پشتیبانی نمی‌شود: {lang}")
+    
+    def translate_chunk(self, text: str, source_lang: str, target_lang: str) -> str:
+        """ترجمه یک بخش از متن"""
+        try:
+            # تنظیم زبان مبدا
+            self.tokenizer.src_lang = source_lang
+            
+            # کدگذاری متن
+            encoded = self.tokenizer(text, return_tensors="pt").to(self.device)
+            
+            # تولید ترجمه
+            generated_tokens = self.model.generate(
+                **encoded,
+                forced_bos_token_id=self.tokenizer.get_lang_id(target_lang),
+                max_length=512,
+                num_beams=5,
+                early_stopping=True
+            )
+            
+            # رمزگشایی نتیجه
+            translation = self.tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)[0]
+            
+            return translation.strip()
+            
+        except Exception as e:
+            print(f"خطا در ترجمه بخش: {str(e)}")
+            return text
+    
+    def translate_text(self, text: str, source_lang: str, target_lang: str, 
+                      session_id: Optional[str] = None) -> Dict[str, Any]:
+        """ترجمه متن کامل"""
+        start_time = time.time()
+        
+        # تبدیل کدهای زبان
+        source_lang = self._normalize_language(source_lang)
+        target_lang = self._normalize_language(target_lang)
+        
+        # بررسی کش
+        cached_result = self.cache.get(text, source_lang, target_lang)
+        if cached_result:
+            return {
+                'translated_text': cached_result,
+                'processing_time': 0,
+                'chunks_count': 1,
+                'from_cache': True
+            }
+        
+        # تقسیم متن
+        chunks = self.chunker.chunk_text(text)
+        translated_chunks = []
+        
+        # ذخیره وضعیت session
+        if session_id:
+            with self.lock:
+                self.translation_sessions[session_id] = {
+                    'total_chunks': len(chunks),
+                    'completed_chunks': 0,
+                    'start_time': start_time,
+                    'status': 'processing'
+                }
+        
+        # ترجمه هر بخش
+        for i, chunk in enumerate(chunks):
+            translated_chunk = self.translate_chunk(chunk, source_lang, target_lang)
+            translated_chunks.append(translated_chunk)
+            
+            # بروزرسانی پیشرفت
+            if session_id:
+                with self.lock:
+                    if session_id in self.translation_sessions:
+                        self.translation_sessions[session_id]['completed_chunks'] = i + 1
+        
+        # ترکیب نتایج
+        final_translation = self.combine_translations(translated_chunks)
+        processing_time = time.time() - start_time
+        
+        # ذخیره در کش
+        self.cache.set(text, source_lang, target_lang, final_translation)
+        
+        # بروزرسانی وضعیت نهایی
+        if session_id:
+            with self.lock:
+                if session_id in self.translation_sessions:
+                    self.translation_sessions[session_id].update({
+                        'status': 'completed',
+                        'end_time': time.time(),
+                        'result': final_translation
+                    })
+        
+        # افزایش آمار
+        with self.lock:
+            self.total_requests += 1
+        
+        result = {
+            'translated_text': final_translation,
+            'processing_time': processing_time,
+            'chunks_count': len(chunks),
+            'from_cache': False
+        }
+        
+        return result
+    
+    def combine_translations(self, chunks: List[str]) -> str:
+        """ترکیب بخش‌های ترجمه شده"""
+        return ' '.join(chunks)
+    
+    def get_translation_progress(self, session_id: str) -> Optional[Dict]:
+        """دریافت پیشرفت ترجمه"""
+        with self.lock:
+            if session_id not in self.translation_sessions:
+                return None
+            
+            session = self.translation_sessions[session_id]
+            current_time = time.time()
+            elapsed_time = current_time - session['start_time']
+            
+            if session['status'] == 'completed':
+                return {
+                    'progress': 100,
+                    'completed_chunks': session['completed_chunks'],
+                    'total_chunks': session['total_chunks'],
+                    'elapsed_time': elapsed_time,
+                    'status': 'completed',
+                    'result': session.get('result')
+                }
+            
+            progress = (session['completed_chunks'] / session['total_chunks']) * 100
+            
+            # تخمین زمان باقی‌مانده
+            if session['completed_chunks'] > 0:
+                avg_time_per_chunk = elapsed_time / session['completed_chunks']
+                remaining_chunks = session['total_chunks'] - session['completed_chunks']
+                estimated_remaining = avg_time_per_chunk * remaining_chunks
+            else:
+                estimated_remaining = None
+            
+            return {
+                'progress': progress,
+                'completed_chunks': session['completed_chunks'],
+                'total_chunks': session['total_chunks'],
+                'elapsed_time': elapsed_time,
+                'estimated_remaining': estimated_remaining,
+                'status': 'processing'
+            }
+    
+    async def translate_text_async(self, text: str, source_lang: str, target_lang: str) -> Dict[str, Any]:
+        """نسخه آسنکرون ترجمه"""
+        loop = asyncio.get_event_loop()
+        with ThreadPoolExecutor() as executor:
+            result = await loop.run_in_executor(
+                executor, 
+                self.translate_text, 
+                text, source_lang, target_lang
+            )
+        return result
+
+# توابع مربوط به WordPress
+def notify_wordpress_completion_and_charge(request_id: str, character_count: int, 
+                                         translation_length: int, source_lang: str, 
+                                         target_lang: str):
+    """اطلاع‌رسانی تکمیل به WordPress و کسر اعتبار"""
+    try:
+        wordpress_url = os.getenv("WORDPRESS_NOTIFICATION_URL")
+        if not wordpress_url:
+            print("URL وردپرس تنظیم نشده است")
+            return False
+        
+        payload = {
+            'request_id': request_id,
+            'character_count': character_count,
+            'translation_length': translation_length,
+            'source_lang': source_lang,
+            'target_lang': target_lang,
+            'completed_at': datetime.now().isoformat()
+        }
+        
+        response = requests.post(wordpress_url, json=payload, timeout=30)
+        
+        if response.status_code == 200:
+            # ثبت فلگ کسر خودکار
+            if request_id in translator.translation_requests:
+                translator.translation_requests[request_id]['auto_charged'] = True
+            print(f"اطلاع‌رسانی موفق برای درخواست {request_id}")
+            return True
+        else:
+            print(f"خطا در اطلاع‌رسانی: {response.status_code}")
+            return False
+            
+    except Exception as e:
+        print(f"خطا در اطلاع‌رسانی به WordPress: {str(e)}")
+        return False
+
+def process_heavy_translation_background(text: str, source_lang: str, target_lang: str, 
+                                       request_id: str, auto_charge: bool = False):
+    """پردازش ترجمه سنگین در پس‌زمینه"""
+    try:
+        # ثبت درخواست
+        translator.translation_requests[request_id] = {
+            'text': text,
+            'source_lang': source_lang,
+            'target_lang': target_lang,
+            'start_time': time.time(),
+            'status': 'processing',
+            'auto_charge': auto_charge,
+            'auto_charged': False
+        }
+        
+        # انجام ترجمه
+        result = translator.translate_text(text, source_lang, target_lang, request_id)
+        
+        # ذخیره نتیجه
+        translator.completed_translations[request_id] = {
+            'result': result,
+            'completed_at': time.time(),
+            'character_count': len(text),
+            'translation_length': len(result['translated_text'])
+        }
+        
+        # اطلاع‌رسانی به WordPress در صورت نیاز
+        if auto_charge:
+            notify_wordpress_completion_and_charge(
+                request_id,
+                len(text),
+                len(result['translated_text']),
+                source_lang,
+                target_lang
+            )
+        
+        print(f"ترجمه پس‌زمینه {request_id} تکمیل شد")
+        
+    except Exception as e:
+        print(f"خطا در ترجمه پس‌زمینه {request_id}: {str(e)}")
+        if request_id in translator.translation_requests:
+            translator.translation_requests[request_id]['status'] = 'failed'
+            translator.translation_requests[request_id]['error'] = str(e)
+
+def perform_translation_internal(text: str, source_lang: str, target_lang: str) -> Dict[str, Any]:
+    """تابع کمکی برای انجام ترجمه"""
+    try:
+        result = translator.translate_text(text, source_lang, target_lang)
+        return result
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"خطا در ترجمه: {str(e)}")
+
+# ایجاد مترجم
+print("در حال راه‌اندازی مترجم...")
+translator = MultilingualTranslator(60)
+
+# تابع پاکسازی
+def cleanup_old_data():
+    """پاکسازی داده‌های قدیمی"""
+    while True:
+        try:
+            current_time = time.time()
+            
+            # پاکسازی کش
+            translator.cache.clear_expired()
+            
+            # پاکسازی درخواست‌های قدیمی (بیش از 2 ساعت)
+            expired_requests = []
+            for req_id, req_data in translator.translation_requests.items():
+                if current_time - req_data['start_time'] > 7200:  # 2 ساعت
+                    expired_requests.append(req_id)
+            
+            for req_id in expired_requests:
+                translator.translation_requests.pop(req_id, None)
+                translator.completed_translations.pop(req_id, None)
+            
+            # پاکسازی session های قدیمی
+            expired_sessions = []
+            for session_id, session_data in translator.translation_sessions.items():
+                if current_time - session_data['start_time'] > 3600:  # 1 ساعت
+                    expired_sessions.append(session_id)
+            
+            for session_id in expired_sessions:
+                translator.translation_sessions.pop(session_id, None)
+            
+            print(f"پاکسازی انجام شد: {len(expired_requests)} درخواست و {len(expired_sessions)} session حذف شد")
+            
+        except Exception as e:
+            print(f"خطا در پاکسازی: {str(e)}")
+        
+        time.sleep(CLEANUP_INTERVAL)
+
+# راه‌اندازی FastAPI
+app = FastAPI(
+    title="سرویس ترجمه چندزبانه M2M100",
+    description="API ترجمه مبتنی بر مدل M2M100 فیسبوک",
+    version="1.0.0"
+)
+
+# تنظیم CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# شروع نخ پاکسازی
+cleanup_thread = threading.Thread(target=cleanup_old_data, daemon=True)
+cleanup_thread.start()
+
+# Endpoints
+
+@app.get("/")
+async def root():
+    """صفحه اصلی API"""
+    return {
+        "message": "سرویس ترجمه چندزبانه M2M100",
+        "model": MODEL_NAME,
+        "device": str(translator.device),
+        "features": [
+            "multilingual_translation",
+            "text_chunking", 
+            "translation_cache",
+            "background_processing",
+            "progress_tracking",
+            "wordpress_integration"
+        ],
+        "supported_languages": len(LANGUAGE_MAP),
+        "endpoints": {
+            "/": "صفحه اصلی",
+            "/api/translate": "ترجمه همزمان",
+            "/api/translate/form": "ترجمه از فرم",
+            "/api/languages": "لیست زبان‌ها",
+            "/api/health": "وضعیت سلامت",
+            "/api/progress/{session_id}": "پیگیری پیشرفت",
+            "/api/status/{session_id}": "وضعیت کلی",
+            "/api/server-status": "وضعیت سرور",
+            "/api/check-completion": "بررسی تکمیل",
+            "/api/check-translation-status": "وضعیت ترجمه",
+            "/api/check-auto-charge-status": "وضعیت کسر خودکار"
+        }
+    }
+
+@app.post("/api/translate")
+async def translate_text_api(request: TranslationRequest):
+    """ترجمه همزمان متن"""
+    try:
+        result = perform_translation_internal(
+            request.text, 
+            request.source_lang, 
+            request.target_lang
+        )
+        
+        return {
+            "success": True,
+            "translated_text": result['translated_text'],
+            "processing_time": result['processing_time'],
+            "chunks_count": result['chunks_count'],
+            "from_cache": result.get('from_cache', False),
+            "character_count": len(request.text),
+            "translation_length": len(result['translated_text'])
+        }
+        
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@app.post("/api/translate/form")
+async def translate_form_api(request: TranslationFormRequest):
+    """ترجمه از فرم (با احتمال استفاده از کش)"""
+    try:
+        result = perform_translation_internal(
+            request.text,
+            request.source_lang, 
+            request.target_lang
+        )
+        
+        return {
+            "success": True,
+            "translated_text": result['translated_text'],
+            "processing_time": result['processing_time'],
+            "chunks_count": result['chunks_count'],
+            "from_cache": result.get('from_cache', False)
+        }
+        
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@app.get("/api/languages")
+async def get_supported_languages():
+    """دریافت لیست زبان‌های پشتیبانی شده"""
+    return {
+        "success": True,
+        "languages": LANGUAGE_MAP,
+        "total_count": len(LANGUAGE_MAP)
+    }
+
+@app.get("/api/health")
+async def health_check():
+    """بررسی سلامت سرویس"""
+    cache_stats = translator.cache.get_stats()
+    
+    return {
+        "status": "healthy",
+        "model": MODEL_NAME,
+        "device": str(translator.device),
+        "gpu_available": torch.cuda.is_available(),
+        "cache_size": cache_stats['cache_size'],
+        "total_requests": translator.total_requests,
+        "active_sessions": len(translator.translation_sessions),
+        "completed_translations": len(translator.completed_translations),
+        "version": "1.0.0",
+        "timestamp": datetime.now().isoformat()
+    }
+
+@app.get("/api/progress/{session_id}")
+async def get_translation_progress(session_id: str):
+    """دریافت پیشرفت ترجمه"""
+    progress = translator.get_translation_progress(session_id)
+    
+    if progress is None:
+        raise HTTPException(status_code=404, detail="Session پیدا نشد یا تکمیل شده است")
+    
+    return {
+        "success": True,
+        "session_id": session_id,
+        **progress
+    }
+
+@app.get("/api/status/{session_id}")
+async def get_translation_status(session_id: str):
+    """دریافت وضعیت کلی ترجمه"""
+    progress = translator.get_translation_progress(session_id)
+    
+    if progress is None:
+        # بررسی در ترجمه‌های تکمیل شده
+        if session_id in translator.completed_translations:
+            completed = translator.completed_translations[session_id]
+            return {
+                "success": True,
+                "status": "completed",
+                "result": completed['result'],
+                "completed_at": completed['completed_at']
+            }
+        else:
+            raise HTTPException(status_code=404, detail="Session پیدا نشد")
+    
+    return {
+        "success": True,
+        "session_id": session_id,
+        **progress
+    }
+
+@app.get("/api/server-status")
+async def get_server_status():
+    """دریافت وضعیت کلی سرور"""
+    active_sessions = len(translator.translation_sessions)
+    background_tasks = len(translator.translation_requests)
+    completed_count = len(translator.completed_translations)
+    
+    # شمارش وظایف در حال پردازش
+    processing_count = sum(1 for req in translator.translation_requests.values() 
+                          if req.get('status') == 'processing')
+    
+    return {
+        "success": True,
+        "server_status": "running",
+        "active_sessions": active_sessions,
+        "background_tasks": background_tasks,
+        "processing_tasks": processing_count,
+        "completed_translations": completed_count,
+        "total_requests": translator.total_requests,
+        "uptime": time.time(),
+        "message": f"سرور فعال - {active_sessions} session فعال، {processing_count} در حال پردازش"
+    }
+
+@app.post("/api/check-completion")
+async def check_completion(request: CompletionCheckRequest):
+    """بررسی تکمیل ترجمه با request_id"""
+    request_id = request.request_id
+    
+    # بررسی در ترجمه‌های تکمیل شده
+    if request_id in translator.completed_translations:
+        completed = translator.completed_translations[request_id]
+        return {
+            "success": True,
+            "completed": True,
+            "completed_at": completed['completed_at'],
+            "processing_time": completed.get('processing_time', 0)
+        }
+    
+    # بررسی در درخواست‌های در حال پردازش
+    if request_id in translator.translation_requests:
+        req_data = translator.translation_requests[request_id]
+        if req_data.get('status') == 'processing':
+            return {
+                "success": True,
+                "completed": False,
+                "status": "در حال پردازش",
+                "elapsed_time": time.time() - req_data['start_time']
+            }
+        elif req_data.get('status') == 'failed':
+            return {
+                "success": False,
+                "completed": False,
+                "status": "ناموفق",
+                "error": req_data.get('error', 'خطای ناشناخته')
+            }
+    
+    # درخواست پیدا نشد
+    return {
+        "success": False,
+        "completed": False,
+        "status": "درخواست پیدا نشد"
+    }
+
+@app.post("/api/check-translation-status")
+async def check_translation_status(request: StatusCheckRequest):
+    """بررسی وضعیت و نتیجه نهایی ترجمه"""
+    request_id = request.request_id
+    
+    # بررسی در ترجمه‌های تکمیل شده
+    if request_id in translator.completed_translations:
+        completed = translator.completed_translations[request_id]
+        req_data = translator.translation_requests.get(request_id, {})
+        
+        return {
+            "success": True,
+            "status": "completed",
+            "translated_text": completed['result']['translated_text'],
+            "processing_time": completed['result']['processing_time'],
+            "chunks_count": completed['result']['chunks_count'],
+            "character_count": completed['character_count'],
+            "translation_length": completed['translation_length'],
+            "completed_at": completed['completed_at'],
+            "source_lang": req_data.get('source_lang'),
+            "target_lang": req_data.get('target_lang')
+        }
+    
+    # بررسی در درخواست‌های در حال پردازش
+    if request_id in translator.translation_requests:
+        req_data = translator.translation_requests[request_id]
+        elapsed_time = time.time() - req_data['start_time']
+        
+        if req_data.get('status') == 'processing':
+            # تخمین پیشرفت بر اساس طول متن
+            text_length = len(req_data.get('text', ''))
+            chunks_estimate = max(1, text_length // MAX_CHUNK_SIZE)
+            
+            # تخمین پیشرفت (این تخمینی است)
+            progress_estimate = min(90, (elapsed_time / 10) * 100)  # حداکثر 90% تا زمان تکمیل
+            
+            return {
+                "success": True,
+                "status": "processing",
+                "progress": progress_estimate,
+                "elapsed_time": elapsed_time,
+                "estimated_chunks": chunks_estimate,
+                "message": "در حال پردازش ترجمه..."
+            }
+        elif req_data.get('status') == 'failed':
+            return {
+                "success": False,
+                "status": "failed",
+                "error": req_data.get('error', 'خطای ناشناخته'),
+                "elapsed_time": elapsed_time
+            }
+    
+    # درخواست پیدا نشد
+    return {
+        "success": False,
+        "status": "not_found",
+        "message": "درخواست ترجمه پیدا نشد"
+    }
+
+@app.post("/api/check-auto-charge-status")
+async def check_auto_charge_status(request: AutoChargeStatusRequest):
+    """بررسی وضعیت کسر اعتبار خودکار"""
+    request_id = request.request_id
+    
+    if request_id not in translator.translation_requests:
+        return {
+            "success": False,
+            "message": "درخواست پیدا نشد"
+        }
+    
+    req_data = translator.translation_requests[request_id]
+    
+    return {
+        "success": True,
+        "request_id": request_id,
+        "auto_charge_enabled": req_data.get('auto_charge', False),
+        "auto_charged": req_data.get('auto_charged', False),
+        "status": req_data.get('status', 'unknown')
+    }
+
+@app.post("/api/translate/heavy")
+async def translate_heavy_text(request: TranslationRequest, background_tasks: BackgroundTasks):
+    """ترجمه متن‌های سنگین در پس‌زمینه"""
+    import uuid
+    
+    # تولید شناسه منحصر به فرد
+    request_id = str(uuid.uuid4())
+    
+    # اضافه کردن به وظایف پس‌زمینه
+    background_tasks.add_task(
+        process_heavy_translation_background,
+        request.text,
+        request.source_lang,
+        request.target_lang,
+        request_id,
+        request.auto_charge
+    )
+    
+    return {
+        "success": True,
+        "message": "ترجمه در پس‌زمینه آغاز شد",
+        "request_id": request_id,
+        "estimated_time": len(request.text) // 100,  # تخمین بر اساس طول متن
+        "auto_charge": request.auto_charge
+    }
+
+@app.post("/api/translate/session")
+async def translate_with_session(request: TranslationRequest):
+    """ترجمه با session برای پیگیری پیشرفت"""
+    import uuid
+    
+    session_id = str(uuid.uuid4())
+    
+    try:
+        # شروع ترجمه با session_id
+        result = translator.translate_text(
+            request.text,
+            request.source_lang,
+            request.target_lang,
+            session_id
+        )
+        
+        return {
+            "success": True,
+            "session_id": session_id,
+            "translated_text": result['translated_text'],
+            "processing_time": result['processing_time'],
+            "chunks_count": result['chunks_count'],
+            "from_cache": result.get('from_cache', False)
+        }
+        
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@app.get("/api/cache/stats")
+async def get_cache_stats():
+    """آمار کش ترجمه"""
+    stats = translator.cache.get_stats()
+    
+    return {
+        "success": True,
+        "cache_stats": stats,
+        "expiry_minutes": 60
+    }
+
+@app.post("/api/cache/clear")
+async def clear_cache():
+    """پاک کردن کش (فقط برای ��دیران)"""
+    try:
+        with translator.cache.lock:
+            translator.cache.cache.clear()
+        
+        return {
+            "success": True,
+            "message": "کش پاک شد"
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"خطا در پاک کردن کش: {str(e)}")
+
+@app.get("/api/stats")
+async def get_api_stats():
+    """آمار کلی API"""
+    return {
+        "success": True,
+        "total_requests": translator.total_requests,
+        "active_sessions": len(translator.translation_sessions),
+        "background_tasks": len(translator.translation_requests),
+        "completed_translations": len(translator.completed_translations),
+        "cache_size": translator.cache.get_stats()['cache_size'],
+        "supported_languages": len(LANGUAGE_MAP),
+        "model_info": {
+            "name": MODEL_NAME,
+            "device": str(translator.device),
+            "gpu_available": torch.cuda.is_available()
+        }
+    }
+
+@app.post("/api/webhook/wordpress")
+async def wordpress_webhook(data: dict):
+    """Webhook برای دریافت اطلاعات از WordPress"""
+    try:
+        # پردازش داده‌های دریافتی از WordPress
+        request_id = data.get('request_id')
+        action = data.get('action')
+        
+        if action == 'translation_request':
+            # درخواست ترجمه از WordPress
+            text = data.get('text')
+            source_lang = data.get('source_lang')
+            target_lang = data.get('target_lang')
+            auto_charge = data.get('auto_charge', False)
+            
+            if not all([text, source_lang, target_lang, request_id]):
+                raise HTTPException(status_code=400, detail="داده‌های ناقص")
+            
+            # شروع ترجمه در پس‌زمینه
+            background_tasks = BackgroundTasks()
+            background_tasks.add_task(
+                process_heavy_translation_background,
+                text, source_lang, target_lang, request_id, auto_charge
+            )
+            
+            return {
+                "success": True,
+                "message": "ترجمه آغاز شد",
+                "request_id": request_id
+            }
+        
+        elif action == 'status_check':
+            # بررسی وضعیت
+            if request_id in translator.completed_translations:
+                completed = translator.completed_translations[request_id]
+                return {
+                    "success": True,
+                    "status": "completed",
+                    "result": completed['result']
+                }
+            elif request_id in translator.translation_requests:
+                return {
+                    "success": True,
+                    "status": "processing"
+                }
+            else:
+                return {
+                    "success": False,
+                    "status": "not_found"
+                }
+        
+        else:
+            raise HTTPException(status_code=400, detail="عمل نامعتبر")
+            
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"خطا در webhook: {str(e)}")
+
+# تابع راه‌اندازی (برای Hugging Face Spaces)
+if __name__ == "__main__":
+    import uvicorn
+    
+    port = int(os.getenv("PORT", 7860))  # پورت پیش‌فرض Hugging Face Spaces
+    
+    print(f"راه‌اندازی سرور روی پورت {port}")
+    print(f"مدل: {MODEL_NAME}")
+    print(f"دستگاه: {translator.device}")
+    print(f"زبان‌های پشتیبانی شده: {len(LANGUAGE_MAP)}")
+    
+    uvicorn.run(
+        app, 
+        host="0.0.0.0", 
+        port=port,
+        log_level="info"
+    )