sending mails using SMTP

utils/notification.py

@@ -1,13 +1,90 @@
 from flask import request
-from models import Notif, NotifType, db, EmailTemplate, Mail
+from models import Notif, NotifType, db, EmailTemplate, Mail, KeyValueSettings
 from typing import Optional, Dict, Any, List
 from datetime import datetime, timedelta
 from flask_login import current_user
 from sqlalchemy import desc
 import logging
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+import json
 
 logger = logging.getLogger(__name__)
 
+def get_smtp_settings() -> Optional[Dict[str, Any]]:
+    """
+    Get SMTP settings from the database.
+    
+    Returns:
+        Dictionary containing SMTP settings or None if not configured
+    """
+    try:
+        smtp_settings = KeyValueSettings.get_value('smtp_settings')
+        if not smtp_settings:
+            logger.warning("No SMTP settings found in database")
+            return None
+        return smtp_settings
+    except Exception as e:
+        logger.error(f"Error retrieving SMTP settings: {str(e)}")
+        return None
+
+def send_email_via_smtp(mail: Mail) -> bool:
+    """
+    Send an email using the configured SMTP settings.
+    
+    Args:
+        mail: The Mail object containing the email details
+    
+    Returns:
+        bool: True if email was sent successfully, False otherwise
+    """
+    smtp_settings = get_smtp_settings()
+    if not smtp_settings:
+        logger.error("Cannot send email: SMTP settings not configured")
+        return False
+
+    try:
+        # Create message
+        msg = MIMEMultipart()
+        msg['From'] = f"{smtp_settings['smtp_from_name']} <{smtp_settings['smtp_from_email']}>"
+        msg['To'] = mail.recipient
+        msg['Subject'] = mail.subject
+
+        # Attach HTML body
+        msg.attach(MIMEText(mail.body, 'html'))
+
+        # Create SMTP connection
+        if smtp_settings['smtp_security'] == 'ssl':
+            server = smtplib.SMTP_SSL(smtp_settings['smtp_host'], int(smtp_settings['smtp_port']))
+        else:
+            server = smtplib.SMTP(smtp_settings['smtp_host'], int(smtp_settings['smtp_port']))
+            if smtp_settings['smtp_security'] == 'tls':
+                server.starttls()
+
+        # Login if credentials are provided
+        if smtp_settings['smtp_username'] and smtp_settings['smtp_password']:
+            server.login(smtp_settings['smtp_username'], smtp_settings['smtp_password'])
+
+        # Send email
+        server.send_message(msg)
+        server.quit()
+
+        # Update mail status
+        mail.status = 'sent'
+        mail.sent_at = datetime.utcnow()
+        db.session.commit()
+
+        logger.info(f"Email sent successfully to {mail.recipient}")
+        return True
+
+    except Exception as e:
+        logger.error(f"Error sending email: {str(e)}")
+        mail.status = 'failed'
+        mail.error_message = str(e)
+        db.session.commit()
+        return False
+
 def generate_mail_from_notification(notif: Notif) -> Optional[Mail]:
     """
     Generate a mail record from a notification using the appropriate email template.
@@ -98,7 +175,13 @@ def generate_mail_from_notification(notif: Notif) -> Optional[Mail]:
             notif_id=notif.id
         )
         db.session.add(mail)
-        logger.debug(f"Created mail record: {mail}")
+        
+        # Try to send the email immediately
+        if send_email_via_smtp(mail):
+            logger.debug(f"Email sent successfully for notification: {notif}")
+        else:
+            logger.warning(f"Failed to send email for notification: {notif}")
+        
         return mail
     except Exception as e:
         logger.error(f"Error generating mail from notification: {str(e)}")