UPDATE: Refactored backend routes to improve readability

web_server/database/streaming.sql

@@ -8,9 +8,18 @@ CREATE TABLE tags
 DROP TABLE IF EXISTS stream_tags;
 CREATE TABLE stream_tags
 (
-    stream_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
     tag_id INTEGER NOT NULL,
-    FOREIGN KEY (stream_id) REFERENCES streams(stream_id) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES streams(user_id) ON DELETE CASCADE,
+    FOREIGN KEY (tag_id) REFERENCES tags(tag_id) ON DELETE CASCADE
+);
+
+DROP TABLE IF EXISTS vod_tags;
+CREATE TABLE vod_tags
+(
+    vod_id INTEGER NOT NULL,
+    tag_id INTEGER NOT NULL,
+    FOREIGN KEY (vod_id) REFERENCES vods(vod_id) ON DELETE CASCADE,
     FOREIGN KEY (tag_id) REFERENCES tags(tag_id) ON DELETE CASCADE
 );
 
@@ -38,14 +47,13 @@ CREATE TABLE categories
 DROP TABLE IF EXISTS streams;
 CREATE TABLE streams
 (
-    stream_id INTEGER PRIMARY KEY AUTOINCREMENT,
-    user_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL PRIMARY KEY,
     title TEXT NOT NULL,
     datetime DATETIME NOT NULL,
     num_viewers INTEGER NOT NULL DEFAULT 0,
     category_id INTEGER NOT NULL,
-    FOREIGN KEY (category_id) REFERENCES categories(category_id) ON DELETE CASCADE,
-    FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE
+    FOREIGN KEY (category_id) REFERENCES categories(category_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
 );
 
 DROP TABLE IF EXISTS vods;
@@ -55,7 +63,7 @@ CREATE TABLE vods
     user_id INTEGER NOT NULL,
     title TEXT NOT NULL,
     datetime DATETIME NOT NULL,
-    category_id INTEGER,
+    category_id INTEGER NOT NULL,
     length INTEGER NOT NULL,
     views INTEGER NOT NULL DEFAULT 0,