update

backend/database.py

@@ -11,6 +11,11 @@ articles_collection = db['articles']
 subscribers_collection = db['subscribers']
 rss_feeds_collection = db['rss_feeds']
 
+# Tracking Collections
+newsletter_sends_collection = db['newsletter_sends']
+link_clicks_collection = db['link_clicks']
+subscriber_activity_collection = db['subscriber_activity']
+
 
 def init_db():
     """Initialize database with indexes"""
@@ -25,6 +30,9 @@ def init_db():
     # Create unique index on RSS feed URLs
     rss_feeds_collection.create_index('url', unique=True)
     
+    # Initialize tracking collections indexes
+    init_tracking_collections()
+    
     # Initialize default RSS feeds if collection is empty
     if rss_feeds_collection.count_documents({}) == 0:
         default_feeds = [
@@ -51,3 +59,37 @@ def init_db():
         print(f"Initialized {len(default_feeds)} default RSS feeds")
     
     print("Database initialized with indexes")
+
+
+def init_tracking_collections():
+    """Initialize tracking collections with indexes for email tracking system"""
+    
+    # Newsletter Sends Collection Indexes
+    # Unique index on tracking_id for fast pixel/click lookups
+    newsletter_sends_collection.create_index('tracking_id', unique=True)
+    # Index on newsletter_id for analytics queries
+    newsletter_sends_collection.create_index('newsletter_id')
+    # Index on subscriber_email for user activity queries
+    newsletter_sends_collection.create_index('subscriber_email')
+    # Index on sent_at for time-based queries
+    newsletter_sends_collection.create_index('sent_at')
+    
+    # Link Clicks Collection Indexes
+    # Unique index on tracking_id for fast redirect lookups
+    link_clicks_collection.create_index('tracking_id', unique=True)
+    # Index on newsletter_id for analytics queries
+    link_clicks_collection.create_index('newsletter_id')
+    # Index on article_url for article performance queries
+    link_clicks_collection.create_index('article_url')
+    # Index on subscriber_email for user activity queries
+    link_clicks_collection.create_index('subscriber_email')
+    
+    # Subscriber Activity Collection Indexes
+    # Unique index on email for fast lookups
+    subscriber_activity_collection.create_index('email', unique=True)
+    # Index on status for filtering by activity level
+    subscriber_activity_collection.create_index('status')
+    # Index on last_opened_at for time-based queries
+    subscriber_activity_collection.create_index('last_opened_at')
+    
+    print("Tracking collections initialized with indexes")