UPDATE: Added more categories to database and updated categories page

web_server/blueprints/streams.py

@@ -73,10 +73,11 @@ def stream_data(streamer_id):
 ## Category Routes
 @stream_bp.route('/categories/popular/<int:no_categories>')
 @stream_bp.route('/categories/popular/<int:no_categories>/<int:offset>')
-def popular_categories(no_categories, offset=0) -> list[dict]:
+def popular_categories(no_categories=4, offset=0) -> list[dict]:
     """
     Returns a list of most popular categories
     """
+    print(no_categories, offset, flush=True)
     # Limit the number of categories to 100
     if no_categories < 1:
         return jsonify([])

web_server/database/testing_data.sql

@@ -45,20 +45,44 @@ INSERT INTO followed_categories (user_id, category_id) VALUES
 (5, 5);
 
 -- Sample Data for categories
-INSERT INTO categories (category_name) VALUES 
-('Gaming'),
-('Music'),
-('Art'),
-('Education'),
-('Sports');
+INSERT INTO categories (category_name) VALUES  
+('Gaming'),  
+('Music'),  
+('Art'),  
+('Education'),  
+('Sports'),  
+('League of Legends'),  
+('Fortnite'),  
+('Minecraft'),  
+('Call of Duty'),  
+('Counter-Strike 2'),  
+('Valorant'),  
+('Dota 2'),  
+('Apex Legends'),  
+('Grand Theft Auto V'),  
+('The Legend of Zelda: Breath of the Wild'),  
+('Elden Ring'),  
+('Red Dead Redemption 2'),  
+('Cyberpunk 2077'),  
+('Super Smash Bros. Ultimate'),  
+('Overwatch 2'),  
+('Genshin Impact'),  
+('World of Warcraft'),  
+('Rocket League'),  
+('FIFA 24'),  
+('The Sims 4'),  
+('Among Us'),  
+('Dead by Daylight'),  
+('Hogwarts Legacy');  
+
 
 -- Sample Data for streams
-INSERT INTO streams (user_id, title, start_time, num_viewers, category_id) VALUES
-(1, 'Game on!', '2025-02-16 17:00:00', 5, 1),
-(2, 'Live Music Jam', '2025-01-25 20:00:00', 350, 2),
-(3, 'Sketching Live', '2025-01-24 15:00:00', 80, 3),
-(4, 'Math Made Easy', '2025-01-23 10:00:00', 400, 4),
-(5, 'Sports Highlights', '2025-02-15 23:00:00', 210, 5);
+INSERT INTO streams (user_id, title, start_time, category_id) VALUES
+(1, 'Game on!', '2025-02-16 17:00:00', 1),
+(2, 'Live Music Jam', '2025-01-25 20:00:00', 2),
+(3, 'Sketching Live', '2025-01-24 15:00:00', 3),
+(4, 'Math Made Easy', '2025-01-23 10:00:00', 4),
+(5, 'Sports Highlights', '2025-02-15 23:00:00', 5);
 
 -- Sample Data for vods
 INSERT INTO vods (user_id, title, datetime, category_id, length, views) VALUES 
@@ -117,23 +141,4 @@ SELECT * FROM categories;
 SELECT * FROM streams;
 SELECT * FROM chat;
 SELECT * FROM tags;
-SELECT * FROM stream_tags;
-
--- To see all tables in the database
-SELECT name FROM sqlite_master WHERE type='table';
-
--- UPDATE users SET is_live = 0 WHERE user_id = 1;
-
-SELECT users.user_id, streams.title, streams.num_viewers, users.username
-FROM streams JOIN users 
-ON streams.user_id = users.user_id
-WHERE users.user_id IN
-(SELECT followed_id FROM follows WHERE user_id = 1)
-AND users.is_live = 1;
-
-SELECT categories.category_id, categories.category_name, SUM(streams.num_viewers) AS total_viewers
-FROM streams
-JOIN categories ON streams.category_id = categories.category_id
-GROUP BY categories.category_name
-ORDER BY SUM(streams.num_viewers) DESC
-LIMIT 10;
+SELECT * FROM stream_tags;

web_server/utils/recommendation_utils.py

@@ -72,11 +72,11 @@ def get_highest_view_categories(no_categories: int = 4, offset: int = 0) -> Opti
     """
     with Database() as db:
         categories = db.fetchall("""
-            SELECT categories.category_id, categories.category_name, SUM(streams.num_viewers) AS num_viewers
-            FROM streams
-            JOIN categories ON streams.category_id = categories.category_id
-            GROUP BY categories.category_name
-            ORDER BY SUM(streams.num_viewers) DESC
+            SELECT categories.category_id, categories.category_name, COALESCE(SUM(streams.num_viewers), 0) AS num_viewers
+            FROM categories
+            LEFT JOIN streams ON streams.category_id = categories.category_id
+            GROUP BY categories.category_id, categories.category_name
+            ORDER BY num_viewers DESC
             LIMIT ? OFFSET ?;
         """, (no_categories, offset))
     return categories