update

news_sender/sender_service.py

@@ -166,8 +166,12 @@ def get_latest_articles_by_categories(categories=None, articles_per_category=3,
     # Get cluster summaries collection
     cluster_summaries_collection = db['cluster_summaries']
     
-    # If no categories specified, get all available categories
+    # If no categories specified, get all available categories from database
     if categories is None:
+        # Dynamically get categories from articles collection
+        categories = list(articles_collection.distinct('category'))
+        if not categories:
+            # Fallback to default categories if no articles exist yet
             categories = ['general', 'local', 'sports', 'science']
     
     articles = []
@@ -329,7 +333,8 @@ def get_latest_articles_by_categories(categories=None, articles_per_category=3,
     
     # Reconstruct non-clustered list with shuffled articles
     non_clustered = []
-    for cat in ['general', 'local', 'sports', 'science']:
+    # Use all categories that exist in the articles
+    for cat in sorted(by_category.keys()):
         non_clustered.extend(by_category[cat])
     
     # Combine: clustered first, then shuffled non-clustered
@@ -402,7 +407,8 @@ def render_newsletter_html(articles, subscriber_categories=None, tracking_enable
         'general': {'name': 'Top Trending', 'icon': '🔥'},
         'local': {'name': 'Local Events', 'icon': '🏛️'},
         'sports': {'name': 'Sports', 'icon': '⚽'},
-        'science': {'name': 'Science & Tech', 'icon': '🔬'}
+        'science': {'name': 'Science & Tech', 'icon': '🔬'},
+        'business': {'name': 'Business', 'icon': '💼'}
     }
     
     for category, category_articles in sorted(articles_by_category.items()):