update

backend/routes/newsletter_routes.py

@@ -0,0 +1,62 @@
+from flask import Blueprint, Response
+from pathlib import Path
+from jinja2 import Template
+from datetime import datetime
+from database import articles_collection
+
+newsletter_bp = Blueprint('newsletter', __name__)
+
+
+@newsletter_bp.route('/api/newsletter/preview', methods=['GET'])
+def preview_newsletter():
+    """Preview the newsletter HTML (for testing)"""
+    try:
+        # Get latest articles with AI summaries
+        cursor = articles_collection.find(
+            {'summary': {'$exists': True, '$ne': None}}
+        ).sort('created_at', -1).limit(10)
+        
+        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:
+            return Response(
+                "<h1>No articles with summaries found</h1><p>Run the crawler with Ollama enabled first.</p>",
+                mimetype='text/html'
+            )
+        
+        # Load 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 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/unsubscribe',
+            'website_link': 'http://localhost:3000'
+        }
+        
+        # Render and return HTML
+        html_content = template.render(**template_data)
+        return Response(html_content, mimetype='text/html')
+        
+    except Exception as e:
+        return Response(
+            f"<h1>Error</h1><p>{str(e)}</p>",
+            mimetype='text/html'
+        ), 500