updated database creating more tables

.gitignore

@@ -57,8 +57,6 @@ hls/
 sockets/
 dev-env/
 project_structure.txt
-*.db
-flask_session/
 
 #Env
 .env

web_server/database/schema.sql

@@ -1,13 +1,13 @@
 DROP TABLE IF EXISTS users;
 CREATE TABLE users
 (
+    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
     username VARCHAR(50) NOT NULL,
     password VARCHAR(256) NOT NULL,
     email VARCHAR(64) NOT NULL,
     num_followers INTEGER NOT NULL,
     isPartenered BOOLEAN NOT NULL DEFAULT 0,
-    bio TEXT,
+    bio TEXT
-    PRIMARY KEY (username)
 );
 
 SELECT * FROM users;
@@ -16,36 +16,70 @@ SELECT * FROM users;
 DROP TABLE IF EXISTS streams;
 CREATE TABLE streams
 (
-    stream_id INTEGER AUTOINCREMENT,
+    stream_id INTEGER PRIMARY KEY AUTOINCREMENT,
     title TEXT NOT NULL,
     start_time DATETIME NOT NULL,
-    num_viewers INT NOT NULL DEFAULT 0,
+    num_viewers INTEGER NOT NULL DEFAULT 0,
     isLive BOOLEAN NOT NULL DEFAULT 0,
-    vod_id INT,
+    vod_id INTEGER,
-    streamer_id VARCHAR NOT NULL,
+    streamer_id INTEGER NOT NULL,
-    PRIMARY KEY (stream_id),
+    FOREIGN KEY (streamer_id) REFERENCES streamers(user_id) ON DELETE CASCADE
-    FOREIGN KEY (streamer_id) REFERENCES users(username) ON DELETE CASCADE
 );
 
+DROP TABLE IF EXISTS streamers;
+CREATE TABLE streamers
+(
+    user_id INTEGER PRIMARY KEY NOT NULL,
+    streamer_id INTEGER NOT NULL,
+    FOREIGN KEY(user_id) REFERENCES users(user_id) ON DELETE CASCADE
+);
+
+
 DROP TABLE IF EXISTS follows;
 CREATE TABLE follows
 (
-    username VARCHAR(50) NOT NULL,
+    user_id INTEGER NOT NULL,
-    following_id VARCHAR(50) NOT NULL,
+    streamer_id INTEGER NOT NULL,
-    PRIMARY KEY (username, following_id),
+    PRIMARY KEY (user_id, streamer_id),
-    FOREIGN KEY (username) REFERENCES users(username) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE,
-    FOREIGN KEY (following_id) REFERENCES users(username) ON DELETE CASCADE
+    FOREIGN KEY (streamer_id) REFERENCES streamers(streamer_id) ON DELETE CASCADE
 );
 
 DROP TABLE IF EXISTS chat;
 CREATE TABLE chat
 (
-    message_id INT AUTOINCREMENT,
+    message_id INTEGER NOT NULL,
-    chatter_id VARCHAR(50) NOT NULL,
+    user_id INTEGER NOT NULL,
-    stream_id INT NOT NULL,
+    stream_id INTEGER NOT NULL,
     message TEXT NOT NULL,
     time_sent DATETIME NOT NULL,
-    PRIMARY KEY (message_id),
+    PRIMARY KEY (message_id, stream_id),
-    FOREIGN KEY (chatter_id) REFERENCES users(username),
+    FOREIGN KEY (user_id) REFERENCES users(user_id),
     FOREIGN KEY (stream_id) REFERENCES streams(stream_id) ON DELETE CASCADE
-);
+);
+
+DROP TABLE IF EXISTS categories;
+CREATE TABLE categories
+(
+    category_id INTEGER PRIMARY KEY AUTOINCREMENT,
+    category_name VARCHAR(25) NOT NULL
+);
+
+DROP TABLE IF EXISTS stream_categories;
+CREATE TABLE stream_categories
+(
+    stream_id INTEGER NOT NULL,
+    category_id INTEGER NOT NULL,
+    since DATETIME NOT NULL,
+    FOREIGN KEY (stream_id) REFERENCES streams(stream_id),
+    FOREIGN KEY (category_id) REFERENCES categories(category_id) ON DELETE CASCADE
+);
+
+DROP TABLE IF EXISTS user_preferences;
+CREATE TABLE user_preferences
+(
+    user_id INT NOT NULL,
+    category_id INT NOT NULL,
+    favourability INT NOT NULL DEFAULT 0,
+    PRIMARY KEY(user_id, category_id)
+)