Changed the organization of the database in addition to some tables

web_server/database/users.sql

@@ -0,0 +1,50 @@
+-- View all tables in the database
+SELECT name FROM sqlite_master WHERE type='table';
+
+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,
+    bio TEXT
+);
+
+SELECT * FROM users;
+
+DROP TABLE IF EXISTS follows;
+CREATE TABLE follows
+(
+    user_id INTEGER NOT NULL,
+    streamer_id INTEGER NOT NULL,   
+    since DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (user_id, streamer_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE,
+    FOREIGN KEY (streamer_id) REFERENCES streamers(streamer_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),
+    FOREIGN KEY(user_id) REFERENCES users(user_id) ON DELETE CASCADE,
+    FOREIGN KEY(category_id) REFERENCES categories(category_id) ON DELETE CASCADE
+);
+
+DROP TABLE IF EXISTS subscribes;
+CREATE TABLE subscribes
+(
+    user_id INTEGER NOT NULL,
+    streamer_id INTEGER NOT NULL,
+    since DATETIME NOT NULL,
+    expires DATETIME NOT NULL,
+    PRIMARY KEY (user_id,streamer_id),
+    FOREIGN KEY(user_id) REFERENCES users(user_id) ON DELETE CASCADE,
+    FOREIGN KEY(streamer_id) REFERENCES streamers(streamer_id) ON DELETE CASCADE   
+);
+