519 lines
No EOL
21 KiB
Python
519 lines
No EOL
21 KiB
Python
import threading
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import queue
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import time
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import asyncio
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from datetime import datetime, timedelta
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import smtplib
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import ssl
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import socket
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.mime.application import MIMEApplication
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from config import settings
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import logging
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from reportlab.lib.pagesizes import A4
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from reportlab.pdfgen import canvas
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from reportlab.lib.units import cm
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from io import BytesIO
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logger = logging.getLogger(__name__)
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ULTRA_DEBUG = True
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def debug_log(message: str, level: str = "INFO"):
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if ULTRA_DEBUG:
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timestamp = datetime.now().strftime("%H:%M:%S.%f")[:-3]
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prefix = {
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"INFO": "🔍",
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"SUCCESS": "✅",
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"ERROR": "❌",
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"WARN": "⚠️",
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"STEP": "📍",
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"DATA": "📦"
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}.get(level, "•")
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logger.info(f"{prefix} [{timestamp}] {message}")
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class EmailQueue:
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def __init__(self):
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self.queue = queue.Queue()
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self.workers = []
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self.running = False
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self.session_factory = None
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self.sage_client = None
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def start(self, num_workers: int = 3):
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if self.running:
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logger.warning("Queue déjà démarrée")
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return
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self.running = True
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for i in range(num_workers):
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worker = threading.Thread(
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target=self._worker, name=f"EmailWorker-{i}", daemon=True
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)
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worker.start()
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self.workers.append(worker)
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logger.info(f"✅ Queue email démarrée avec {num_workers} worker(s)")
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def stop(self):
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logger.info("🛑 Arrêt de la queue email...")
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self.running = False
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try:
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self.queue.join()
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logger.info("✅ Queue email arrêtée proprement")
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except:
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logger.warning("⚠️ Timeout lors de l'arrêt de la queue")
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def enqueue(self, email_log_id: str):
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"""Ajoute un email dans la queue"""
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self.queue.put(email_log_id)
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debug_log(f"Email {email_log_id} ajouté à la queue (taille: {self.queue.qsize()})")
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def _worker(self):
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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worker_name = threading.current_thread().name
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debug_log(f"Worker {worker_name} démarré", "SUCCESS")
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try:
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while self.running:
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try:
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email_log_id = self.queue.get(timeout=1)
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debug_log(f"[{worker_name}] Traitement email {email_log_id}", "STEP")
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loop.run_until_complete(self._process_email(email_log_id))
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self.queue.task_done()
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except queue.Empty:
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continue
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except Exception as e:
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logger.error(f"❌ Erreur worker {worker_name}: {e}", exc_info=True)
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try:
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self.queue.task_done()
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except:
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pass
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finally:
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loop.close()
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debug_log(f"Worker {worker_name} arrêté", "WARN")
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async def _process_email(self, email_log_id: str):
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from database import EmailLog, StatutEmail
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from sqlalchemy import select
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debug_log(f"═══ DÉBUT TRAITEMENT EMAIL {email_log_id} ═══", "STEP")
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if not self.session_factory:
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logger.error("❌ session_factory non configuré")
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return
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async with self.session_factory() as session:
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result = await session.execute(
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select(EmailLog).where(EmailLog.id == email_log_id)
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)
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email_log = result.scalar_one_or_none()
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if not email_log:
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logger.error(f"❌ Email log {email_log_id} introuvable en DB")
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return
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debug_log(f"Email trouvé en DB:", "DATA")
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debug_log(f" → Destinataire: {email_log.destinataire}")
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debug_log(f" → Sujet: {email_log.sujet[:50]}...")
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debug_log(f" → Tentative: {email_log.nb_tentatives + 1}")
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debug_log(f" → Documents: {email_log.document_ids}")
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email_log.statut = StatutEmail.EN_COURS
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email_log.nb_tentatives += 1
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await session.commit()
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try:
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await self._send_with_retry(email_log)
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email_log.statut = StatutEmail.ENVOYE
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email_log.date_envoi = datetime.now()
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email_log.derniere_erreur = None
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debug_log(f"Email envoyé avec succès: {email_log.destinataire}", "SUCCESS")
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except Exception as e:
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error_msg = str(e)
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debug_log(f"ÉCHEC ENVOI: {error_msg}", "ERROR")
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email_log.statut = StatutEmail.ERREUR
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email_log.derniere_erreur = error_msg[:1000]
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if email_log.nb_tentatives < settings.max_retry_attempts:
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delay = settings.retry_delay_seconds * (
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2 ** (email_log.nb_tentatives - 1)
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)
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email_log.prochain_retry = datetime.now() + timedelta(seconds=delay)
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timer = threading.Timer(delay, self.enqueue, args=[email_log_id])
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timer.daemon = True
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timer.start()
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debug_log(f"Retry #{email_log.nb_tentatives + 1} planifié dans {delay}s", "WARN")
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else:
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debug_log(f"ÉCHEC DÉFINITIF après {email_log.nb_tentatives} tentatives", "ERROR")
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await session.commit()
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debug_log(f"═══ FIN TRAITEMENT EMAIL {email_log_id} ═══", "STEP")
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async def _send_with_retry(self, email_log):
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debug_log("Construction du message MIME...", "STEP")
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msg = MIMEMultipart()
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msg["From"] = settings.smtp_from
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msg["To"] = email_log.destinataire
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msg["Subject"] = email_log.sujet
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debug_log(f"Headers configurés:", "DATA")
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debug_log(f" → From: {settings.smtp_from}")
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debug_log(f" → To: {email_log.destinataire}")
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debug_log(f" → Subject: {email_log.sujet}")
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msg.attach(MIMEText(email_log.corps_html, "html"))
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debug_log(f"Corps HTML attaché ({len(email_log.corps_html)} chars)")
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# Attachement des PDFs
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if email_log.document_ids:
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document_ids = email_log.document_ids.split(",")
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type_doc = email_log.type_document
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debug_log(f"Documents à attacher: {document_ids}")
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for doc_id in document_ids:
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doc_id = doc_id.strip()
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if not doc_id:
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continue
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try:
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debug_log(f"Génération PDF pour {doc_id}...")
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pdf_bytes = await asyncio.to_thread(
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self._generate_pdf, doc_id, type_doc
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)
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if pdf_bytes:
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part = MIMEApplication(pdf_bytes, Name=f"{doc_id}.pdf")
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part["Content-Disposition"] = (
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f'attachment; filename="{doc_id}.pdf"'
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)
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msg.attach(part)
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debug_log(f"PDF attaché: {doc_id}.pdf ({len(pdf_bytes)} bytes)", "SUCCESS")
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except Exception as e:
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debug_log(f"Erreur génération PDF {doc_id}: {e}", "ERROR")
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# Envoi SMTP
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debug_log("Lancement envoi SMTP...", "STEP")
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await asyncio.to_thread(self._send_smtp, msg)
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def _send_smtp(self, msg):
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debug_log("═══════════════════════════════════════════", "STEP")
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debug_log(" DÉBUT ENVOI SMTP ULTRA DEBUG", "STEP")
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debug_log("═══════════════════════════════════════════", "STEP")
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# ═══ CONFIGURATION ═══
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debug_log("CONFIGURATION SMTP:", "DATA")
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debug_log(f" → Host: {settings.smtp_host}")
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debug_log(f" → Port: {settings.smtp_port}")
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debug_log(f" → User: {settings.smtp_user}")
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debug_log(f" → Password: {'*' * len(settings.smtp_password) if settings.smtp_password else 'NON DÉFINI'}")
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debug_log(f" → From: {settings.smtp_from}")
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debug_log(f" → TLS: {settings.smtp_use_tls}")
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debug_log(f" → To: {msg['To']}")
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server = None
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try:
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# ═══ ÉTAPE 1: RÉSOLUTION DNS ═══
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debug_log("ÉTAPE 1/7: Résolution DNS...", "STEP")
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try:
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ip_addresses = socket.getaddrinfo(settings.smtp_host, settings.smtp_port)
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debug_log(f" → DNS résolu: {ip_addresses[0][4]}", "SUCCESS")
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except socket.gaierror as e:
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debug_log(f" → ÉCHEC DNS: {e}", "ERROR")
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raise Exception(f"Résolution DNS échouée pour {settings.smtp_host}: {e}")
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# ═══ ÉTAPE 2: CONNEXION TCP ═══
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debug_log("ÉTAPE 2/7: Connexion TCP...", "STEP")
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start_time = time.time()
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try:
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server = smtplib.SMTP(
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settings.smtp_host,
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settings.smtp_port,
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timeout=30
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)
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server.set_debuglevel(2 if ULTRA_DEBUG else 0) # Active le debug SMTP natif
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connect_time = time.time() - start_time
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debug_log(f" → Connexion établie en {connect_time:.2f}s", "SUCCESS")
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except socket.timeout:
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debug_log(f" → TIMEOUT connexion (>30s)", "ERROR")
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raise Exception(f"Timeout connexion TCP vers {settings.smtp_host}:{settings.smtp_port}")
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except ConnectionRefusedError:
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debug_log(f" → CONNEXION REFUSÉE", "ERROR")
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raise Exception(f"Connexion refusée par {settings.smtp_host}:{settings.smtp_port}")
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except Exception as e:
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debug_log(f" → ERREUR CONNEXION: {type(e).__name__}: {e}", "ERROR")
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raise
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# ═══ ÉTAPE 3: EHLO ═══
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debug_log("ÉTAPE 3/7: Envoi EHLO...", "STEP")
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try:
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ehlo_code, ehlo_msg = server.ehlo()
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debug_log(f" → EHLO Response: {ehlo_code}", "SUCCESS")
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debug_log(f" → Capabilities: {ehlo_msg.decode()[:200]}...")
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except Exception as e:
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debug_log(f" → ÉCHEC EHLO: {e}", "ERROR")
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raise
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# ═══ ÉTAPE 4: STARTTLS ═══
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if settings.smtp_use_tls:
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debug_log("ÉTAPE 4/7: Négociation STARTTLS...", "STEP")
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try:
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# Vérifier si le serveur supporte STARTTLS
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if server.has_extn('STARTTLS'):
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debug_log(" → Serveur supporte STARTTLS", "SUCCESS")
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# Créer un contexte SSL
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context = ssl.create_default_context()
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debug_log(f" → Contexte SSL créé (protocole: {context.protocol})")
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tls_code, tls_msg = server.starttls(context=context)
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debug_log(f" → STARTTLS Response: {tls_code} - {tls_msg}", "SUCCESS")
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# Re-EHLO après STARTTLS
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server.ehlo()
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debug_log(" → Re-EHLO après TLS: OK", "SUCCESS")
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else:
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debug_log(" → Serveur ne supporte PAS STARTTLS!", "WARN")
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except smtplib.SMTPNotSupportedError:
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debug_log(" → STARTTLS non supporté par le serveur", "WARN")
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except ssl.SSLError as e:
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debug_log(f" → ERREUR SSL: {e}", "ERROR")
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raise Exception(f"Erreur SSL/TLS: {e}")
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except Exception as e:
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debug_log(f" → ÉCHEC STARTTLS: {type(e).__name__}: {e}", "ERROR")
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raise
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else:
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debug_log("ÉTAPE 4/7: STARTTLS désactivé (smtp_use_tls=False)", "WARN")
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# ═══ ÉTAPE 5: AUTHENTIFICATION ═══
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debug_log("ÉTAPE 5/7: Authentification...", "STEP")
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if settings.smtp_user and settings.smtp_password:
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debug_log(f" → Tentative login avec: {settings.smtp_user}")
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try:
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# Lister les méthodes d'auth supportées
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if server.has_extn('AUTH'):
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auth_methods = server.esmtp_features.get('auth', '')
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debug_log(f" → Méthodes AUTH supportées: {auth_methods}")
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server.login(settings.smtp_user, settings.smtp_password)
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debug_log(" → Authentification RÉUSSIE", "SUCCESS")
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except smtplib.SMTPAuthenticationError as e:
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debug_log(f" → ÉCHEC AUTHENTIFICATION: {e.smtp_code} - {e.smtp_error}", "ERROR")
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debug_log(f" → Code: {e.smtp_code}", "ERROR")
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debug_log(f" → Message: {e.smtp_error.decode() if isinstance(e.smtp_error, bytes) else e.smtp_error}", "ERROR")
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# Diagnostic spécifique selon le code d'erreur
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if e.smtp_code == 535:
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debug_log(" → 535 = Identifiants incorrects ou app password requis", "ERROR")
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elif e.smtp_code == 534:
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debug_log(" → 534 = 2FA requis, utiliser un App Password", "ERROR")
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elif e.smtp_code == 530:
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debug_log(" → 530 = Authentification requise mais échouée", "ERROR")
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raise Exception(f"Authentification SMTP échouée: {e.smtp_code} - {e.smtp_error}")
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except smtplib.SMTPException as e:
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debug_log(f" → ERREUR SMTP AUTH: {e}", "ERROR")
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raise
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else:
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debug_log(" → Pas d'authentification configurée", "WARN")
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# ═══ ÉTAPE 6: ENVOI DU MESSAGE ═══
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debug_log("ÉTAPE 6/7: Envoi du message...", "STEP")
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debug_log(f" → From: {msg['From']}")
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debug_log(f" → To: {msg['To']}")
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debug_log(f" → Subject: {msg['Subject']}")
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debug_log(f" → Taille message: {len(msg.as_string())} bytes")
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try:
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# send_message retourne un dict des destinataires refusés
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refused = server.send_message(msg)
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if refused:
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debug_log(f" → DESTINATAIRES REFUSÉS: {refused}", "ERROR")
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raise Exception(f"Destinataires refusés: {refused}")
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else:
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debug_log(" → Message envoyé avec succès!", "SUCCESS")
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except smtplib.SMTPRecipientsRefused as e:
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debug_log(f" → DESTINATAIRE REFUSÉ: {e.recipients}", "ERROR")
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raise Exception(f"Destinataire refusé: {e.recipients}")
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except smtplib.SMTPSenderRefused as e:
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debug_log(f" → EXPÉDITEUR REFUSÉ: {e.smtp_code} - {e.smtp_error}", "ERROR")
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debug_log(f" → L'adresse '{msg['From']}' n'est pas autorisée à envoyer", "ERROR")
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raise Exception(f"Expéditeur refusé: {e.smtp_code} - {e.smtp_error}")
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except smtplib.SMTPDataError as e:
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debug_log(f" → ERREUR DATA: {e.smtp_code} - {e.smtp_error}", "ERROR")
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raise Exception(f"Erreur DATA SMTP: {e.smtp_code} - {e.smtp_error}")
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# ═══ ÉTAPE 7: QUIT ═══
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debug_log("ÉTAPE 7/7: Fermeture connexion...", "STEP")
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try:
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server.quit()
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debug_log(" → Connexion fermée proprement", "SUCCESS")
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except:
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pass
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debug_log("═══════════════════════════════════════════", "SUCCESS")
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debug_log(" ENVOI SMTP TERMINÉ AVEC SUCCÈS", "SUCCESS")
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debug_log("═══════════════════════════════════════════", "SUCCESS")
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except Exception as e:
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debug_log("═══════════════════════════════════════════", "ERROR")
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debug_log(f" ÉCHEC ENVOI SMTP: {type(e).__name__}", "ERROR")
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debug_log(f" Message: {str(e)}", "ERROR")
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debug_log("═══════════════════════════════════════════", "ERROR")
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# Fermer la connexion si elle existe
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if server:
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try:
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server.quit()
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except:
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pass
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raise Exception(f"Erreur SMTP: {str(e)}")
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def _generate_pdf(self, doc_id: str, type_doc: int) -> bytes:
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if not self.sage_client:
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logger.error("❌ sage_client non configuré")
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raise Exception("sage_client non disponible")
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try:
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doc = self.sage_client.lire_document(doc_id, type_doc)
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except Exception as e:
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logger.error(f"❌ Erreur récupération document {doc_id}: {e}")
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raise Exception(f"Document {doc_id} inaccessible")
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if not doc:
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raise Exception(f"Document {doc_id} introuvable")
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buffer = BytesIO()
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pdf = canvas.Canvas(buffer, pagesize=A4)
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width, height = A4
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pdf.setFont("Helvetica-Bold", 20)
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pdf.drawString(2 * cm, height - 3 * cm, f"Document N° {doc_id}")
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type_labels = {
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0: "DEVIS",
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1: "BON DE LIVRAISON",
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2: "BON DE RETOUR",
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3: "COMMANDE",
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4: "PRÉPARATION",
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5: "FACTURE",
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}
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type_label = type_labels.get(type_doc, "DOCUMENT")
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pdf.setFont("Helvetica", 12)
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pdf.drawString(2 * cm, height - 4 * cm, f"Type: {type_label}")
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y = height - 5 * cm
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pdf.setFont("Helvetica-Bold", 14)
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pdf.drawString(2 * cm, y, "CLIENT")
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y -= 0.8 * cm
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pdf.setFont("Helvetica", 11)
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pdf.drawString(2 * cm, y, f"Code: {doc.get('client_code') or ''}")
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y -= 0.6 * cm
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pdf.drawString(2 * cm, y, f"Nom: {doc.get('client_intitule') or ''}")
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y -= 0.6 * cm
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pdf.drawString(2 * cm, y, f"Date: {doc.get('date') or ''}")
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|
y -= 1.5 * cm
|
|
pdf.setFont("Helvetica-Bold", 14)
|
|
pdf.drawString(2 * cm, y, "ARTICLES")
|
|
|
|
y -= 1 * cm
|
|
pdf.setFont("Helvetica-Bold", 10)
|
|
pdf.drawString(2 * cm, y, "Désignation")
|
|
pdf.drawString(10 * cm, y, "Qté")
|
|
pdf.drawString(12 * cm, y, "Prix Unit.")
|
|
pdf.drawString(15 * cm, y, "Total HT")
|
|
|
|
y -= 0.5 * cm
|
|
pdf.line(2 * cm, y, width - 2 * cm, y)
|
|
|
|
y -= 0.7 * cm
|
|
pdf.setFont("Helvetica", 9)
|
|
|
|
for ligne in doc.get("lignes", []):
|
|
if y < 3 * cm:
|
|
pdf.showPage()
|
|
y = height - 3 * cm
|
|
pdf.setFont("Helvetica", 9)
|
|
|
|
# ✅ FIX: Gérer les valeurs None correctement
|
|
designation = (
|
|
ligne.get("designation")
|
|
or ligne.get("designation_article")
|
|
or ""
|
|
)
|
|
if designation:
|
|
designation = str(designation)[:50]
|
|
else:
|
|
designation = ""
|
|
|
|
pdf.drawString(2 * cm, y, designation)
|
|
pdf.drawString(10 * cm, y, str(ligne.get("quantite") or 0))
|
|
pdf.drawString(12 * cm, y, f"{ligne.get('prix_unitaire_ht') or ligne.get('prix_unitaire', 0):.2f}€")
|
|
pdf.drawString(15 * cm, y, f"{ligne.get('montant_ligne_ht') or ligne.get('montant_ht', 0):.2f}€")
|
|
y -= 0.6 * cm
|
|
|
|
y -= 1 * cm
|
|
pdf.line(12 * cm, y, width - 2 * cm, y)
|
|
|
|
y -= 0.8 * cm
|
|
pdf.setFont("Helvetica-Bold", 11)
|
|
pdf.drawString(12 * cm, y, "Total HT:")
|
|
pdf.drawString(15 * cm, y, f"{doc.get('total_ht') or 0:.2f}€")
|
|
|
|
y -= 0.6 * cm
|
|
pdf.drawString(12 * cm, y, "TVA (20%):")
|
|
tva = (doc.get("total_ttc") or 0) - (doc.get("total_ht") or 0)
|
|
pdf.drawString(15 * cm, y, f"{tva:.2f}€")
|
|
|
|
y -= 0.6 * cm
|
|
pdf.setFont("Helvetica-Bold", 14)
|
|
pdf.drawString(12 * cm, y, "Total TTC:")
|
|
pdf.drawString(15 * cm, y, f"{doc.get('total_ttc') or 0:.2f}€")
|
|
|
|
pdf.setFont("Helvetica", 8)
|
|
pdf.drawString(
|
|
2 * cm, 2 * cm, f"Généré le {datetime.now().strftime('%d/%m/%Y %H:%M')}"
|
|
)
|
|
pdf.drawString(2 * cm, 1.5 * cm, "Sage 100c - API Dataven")
|
|
|
|
pdf.save()
|
|
buffer.seek(0)
|
|
|
|
logger.info(f"✅ PDF généré: {doc_id}.pdf")
|
|
return buffer.read()
|
|
|
|
|
|
email_queue = EmailQueue() |