update

backend/services/email_service.py

@@ -0,0 +1,88 @@
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from datetime import datetime
+from pathlib import Path
+from jinja2 import Template
+from config import Config
+from database import subscribers_collection, articles_collection
+
+
+def send_newsletter(max_articles=10):
+    """Send newsletter to all subscribers with AI-summarized articles"""
+    if not Config.EMAIL_USER or not Config.EMAIL_PASSWORD:
+        print("Email credentials not configured")
+        return
+    
+    # Get latest articles with AI summaries from database
+    cursor = articles_collection.find(
+        {'summary': {'$exists': True, '$ne': None}}
+    ).sort('created_at', -1).limit(max_articles)
+    
+    articles = []
+    for doc in cursor:
+        articles.append({
+            'title': doc.get('title', ''),
+            'author': doc.get('author'),
+            'link': doc.get('link', ''),
+            'summary': doc.get('summary', ''),
+            'source': doc.get('source', ''),
+            'published_at': doc.get('published_at', '')
+        })
+    
+    if not articles:
+        print("No articles with summaries to send")
+        return
+    
+    # Load email template
+    template_path = Path(__file__).parent.parent / 'templates' / 'newsletter_template.html'
+    with open(template_path, 'r', encoding='utf-8') as f:
+        template_content = f.read()
+    
+    template = Template(template_content)
+    
+    # Prepare template data
+    now = datetime.now()
+    template_data = {
+        'date': now.strftime('%A, %B %d, %Y'),
+        'year': now.year,
+        'article_count': len(articles),
+        'articles': articles,
+        'unsubscribe_link': 'http://localhost:3000',  # Update with actual unsubscribe link
+        'website_link': 'http://localhost:3000'
+    }
+    
+    # Render HTML
+    html_content = template.render(**template_data)
+    
+    # Get all active subscribers
+    subscribers_cursor = subscribers_collection.find({'status': 'active'})
+    subscribers = [doc['email'] for doc in subscribers_cursor]
+    
+    # Send emails
+    for subscriber in subscribers:
+        try:
+            msg = MIMEMultipart('alternative')
+            msg['Subject'] = f'Munich News Daily - {datetime.now().strftime("%B %d, %Y")}'
+            msg['From'] = f'Munich News Daily <{Config.EMAIL_USER}>'
+            msg['To'] = subscriber
+            msg['Date'] = datetime.now().strftime('%a, %d %b %Y %H:%M:%S %z')
+            msg['Message-ID'] = f'<{datetime.now().timestamp()}.{subscriber}@dongho.kim>'
+            msg['X-Mailer'] = 'Munich News Daily'
+            
+            # Add plain text version as fallback
+            plain_text = "This email requires HTML support. Please view it in an HTML-capable email client."
+            msg.attach(MIMEText(plain_text, 'plain', 'utf-8'))
+            
+            # Add HTML version
+            msg.attach(MIMEText(html_content, 'html', 'utf-8'))
+            
+            server = smtplib.SMTP(Config.SMTP_SERVER, Config.SMTP_PORT)
+            server.starttls()
+            server.login(Config.EMAIL_USER, Config.EMAIL_PASSWORD)
+            server.send_message(msg)
+            server.quit()
+            
+            print(f"Newsletter sent to {subscriber}")
+        except Exception as e:
+            print(f"Error sending to {subscriber}: {e}")