feat: Migrate to ultrathin monolith architecture
Consolidate 3 separate applications (reports-app, data-entry-app, telegram-bot) into a unified
architecture with single backend and frontend:
Backend Changes:
- Unified FastAPI backend at backend/ with modular structure
- Modules: reports, data_entry, telegram in backend/modules/
- Centralized config.py and main.py with all routers registered
- Single worker mode (--workers 1) for Telegram bot compatibility
- Shared Oracle connection pool and JWT authentication
- Unified requirements.txt and environment configuration
Frontend Changes:
- Single Vue.js SPA with module-based routing
- Unified frontend at src/ with modules in src/modules/{reports,data-entry}/
- Shared components and stores in src/shared/
- Error boundaries for module isolation
- Dual API proxy in Vite for module communication
Infrastructure:
- New unified startup scripts: start-prod.sh, start-test.sh, start-backend.sh
- Environment templates: .env.dev.example, .env.test.example, .env.prod.example
- Updated deployment scripts for Windows IIS
- Simplified SSH tunnel management
Documentation:
- Comprehensive CLAUDE.md with architecture overview
- Module-specific docs in docs/{data-entry,telegram}/
- Architecture decision records in docs/ARCHITECTURE-DECISIONS.md
- Deployment guides consolidated in deployment/windows/docs/
This migration reduces complexity, improves maintainability, and enables easier
deployment while maintaining all existing functionality.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
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backend/modules/telegram/utils/__init__.py
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backend/modules/telegram/utils/__init__.py
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263
backend/modules/telegram/utils/email_service.py
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backend/modules/telegram/utils/email_service.py
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"""
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Async SMTP Email Service with retry logic and proper error handling
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"""
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import aiosmtplib
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from email.mime.text import MIMEText
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from email.mime.multipart import MIMEMultipart
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import os
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import logging
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from typing import Optional
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import asyncio
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logger = logging.getLogger(__name__)
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class EmailService:
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"""Async SMTP client for sending authentication codes"""
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def __init__(self):
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self.smtp_host = os.getenv("SMTP_HOST", "mail.romfast.ro")
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self.smtp_port = int(os.getenv("SMTP_PORT", "587"))
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self.smtp_user = os.getenv("SMTP_USER")
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self.smtp_password = os.getenv("SMTP_PASSWORD")
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self.from_email = os.getenv("SMTP_FROM_EMAIL")
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self.from_name = os.getenv("SMTP_FROM_NAME", "ROA2WEB")
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self.use_tls = os.getenv("SMTP_USE_TLS", "true").lower() == "true"
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# Retry configuration
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self.max_retries = int(os.getenv("EMAIL_MAX_RETRIES", "3"))
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self.retry_delay = float(os.getenv("EMAIL_RETRY_DELAY", "2.0")) # seconds
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# Validate required config
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if not all([self.smtp_user, self.smtp_password, self.from_email]):
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raise ValueError("SMTP configuration incomplete. Check .env file.")
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async def send_auth_code(
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self,
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to_email: str,
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code: str,
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username: str
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) -> bool:
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"""
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Send authentication code via email with retry logic
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Args:
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to_email: Recipient email address
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code: 6-digit authentication code
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username: Oracle username for personalization
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Returns:
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True if email sent successfully (after retries if needed)
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Raises:
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No exceptions - returns False on all failures
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"""
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subject = "Codul tău de autentificare ROA2WEB"
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html_body = self._create_email_template(code, username)
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for attempt in range(1, self.max_retries + 1):
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try:
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await self._send_email(to_email, subject, html_body)
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logger.info(
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f"Email sent successfully to {to_email} "
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f"(attempt {attempt}/{self.max_retries})"
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)
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return True
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except aiosmtplib.SMTPException as e:
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logger.warning(
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f"SMTP error on attempt {attempt}/{self.max_retries}: {e}"
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)
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if attempt < self.max_retries:
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# Exponential backoff: 2s, 4s, 8s
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delay = self.retry_delay * (2 ** (attempt - 1))
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logger.info(f"Retrying in {delay}s...")
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await asyncio.sleep(delay)
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else:
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logger.error(f"Failed to send email to {to_email} after {self.max_retries} attempts")
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except Exception as e:
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logger.error(f"Unexpected error sending email: {e}", exc_info=True)
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return False
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return False
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async def _send_email(
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self,
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to_email: str,
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subject: str,
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html_body: str
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) -> None:
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"""
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Internal async SMTP sender
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Raises:
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aiosmtplib.SMTPException: On SMTP errors
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"""
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message = MIMEMultipart("alternative")
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message["From"] = f"{self.from_name} <{self.from_email}>"
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message["To"] = to_email
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message["Subject"] = subject
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# Attach HTML body
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html_part = MIMEText(html_body, "html", "utf-8")
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message.attach(html_part)
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# Send via async SMTP with STARTTLS
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# Using start_tls parameter for automatic STARTTLS handling
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smtp = aiosmtplib.SMTP(
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hostname=self.smtp_host,
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port=self.smtp_port,
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start_tls=self.use_tls, # Use start_tls instead of use_tls
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timeout=30
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)
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try:
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await smtp.connect()
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await smtp.login(self.smtp_user, self.smtp_password)
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await smtp.send_message(message)
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finally:
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try:
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await smtp.quit()
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except:
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pass
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def _create_email_template(self, code: str, username: str) -> str:
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"""Generate HTML email template"""
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return f"""
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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body {{
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
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line-height: 1.6;
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color: #333;
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margin: 0;
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padding: 0;
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background-color: #f5f5f5;
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}}
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.container {{
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max-width: 600px;
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margin: 0 auto;
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background: white;
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}}
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.header {{
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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padding: 40px 20px;
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text-align: center;
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}}
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.header h1 {{
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margin: 0;
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font-size: 28px;
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}}
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.content {{
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padding: 40px 20px;
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}}
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.code-box {{
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background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
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border: 3px solid #667eea;
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border-radius: 12px;
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padding: 30px;
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margin: 30px 0;
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text-align: center;
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}}
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.code {{
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font-size: 42px;
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font-weight: bold;
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letter-spacing: 12px;
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color: #667eea;
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font-family: 'Courier New', monospace;
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display: block;
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margin: 15px 0;
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}}
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.warning {{
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background-color: #fff3cd;
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border-left: 4px solid #ffc107;
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padding: 15px;
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margin: 20px 0;
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border-radius: 4px;
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}}
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.footer {{
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text-align: center;
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color: #666;
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font-size: 12px;
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padding: 20px;
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border-top: 1px solid #e0e0e0;
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background-color: #f9f9f9;
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}}
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.button {{
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display: inline-block;
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padding: 12px 24px;
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background-color: #667eea;
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color: white;
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text-decoration: none;
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border-radius: 6px;
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margin-top: 20px;
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}}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>ROA2WEB</h1>
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<p style="margin: 10px 0 0 0; opacity: 0.9;">Autentificare Telegram Bot</p>
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</div>
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<div class="content">
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<p>Salut <strong>{username}</strong>,</p>
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<p>Ai solicitat autentificarea în aplicația ROA2WEB Telegram Bot.</p>
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<div class="code-box">
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<p style="margin: 0; font-size: 14px; color: #666; font-weight: 500;">
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Codul tău de autentificare:
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</p>
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<span class="code">{code}</span>
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<p style="margin: 0; font-size: 12px; color: #888;">
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Introdu acest cod în conversația Telegram
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</p>
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</div>
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<div class="warning">
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<strong>Important:</strong> Acest cod expiră în <strong>5 minute</strong>
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și poate fi folosit o singură dată.
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</div>
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<p>După introducerea codului, vei fi solicitat să introduci parola ta Oracle.</p>
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<hr style="border: none; border-top: 1px solid #e0e0e0; margin: 30px 0;">
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<p style="font-size: 14px; color: #666;">
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<strong>Nu ai solicitat acest cod?</strong><br>
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Dacă nu ai inițiat această autentificare, poți ignora acest email în siguranță.
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Nimeni nu va avea acces la contul tău fără parola ta Oracle.
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</p>
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</div>
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<div class="footer">
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<p><strong>ROA2WEB</strong> - ERP Reports Application</p>
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<p>Acest email a fost trimis automat. Te rugăm să nu răspunzi.</p>
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<p style="margin-top: 10px; color: #999;">
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© 2025 ROA2WEB. All rights reserved.
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</p>
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</div>
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</div>
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</body>
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</html>
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"""
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# Singleton instance
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_email_service: Optional[EmailService] = None
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def get_email_service() -> EmailService:
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"""Get or create singleton email service instance"""
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global _email_service
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if _email_service is None:
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_email_service = EmailService()
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return _email_service
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