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back/migrations/2025-08-17-115759_create_base/up.sql

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+-- Your SQL goes here
+-- Table des utilisateurs
+CREATE TABLE users (
+    user_id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) NOT NULL UNIQUE,
+    password_hash VARCHAR(255) NOT NULL,
+    email VARCHAR(100) NOT NULL UNIQUE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Table des serveurs
+CREATE TABLE servers (
+    server_id INT AUTO_INCREMENT PRIMARY KEY,
+    server_name VARCHAR(100) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Table des canaux
+CREATE TABLE channels (
+    channel_id INT AUTO_INCREMENT PRIMARY KEY,
+    server_id INT NOT NULL,
+    channel_name VARCHAR(100) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (server_id) REFERENCES servers(server_id)
+);
+
+-- Table des messages
+CREATE TABLE messages (
+    message_id INT AUTO_INCREMENT PRIMARY KEY,
+    channel_id INT NOT NULL,
+    user_id INT NOT NULL,
+    content TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (channel_id) REFERENCES channels(channel_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);
+
+-- Table des membres de serveur
+CREATE TABLE server_members (
+    server_member_id INT AUTO_INCREMENT PRIMARY KEY,
+    server_id INT NOT NULL,
+    user_id INT NOT NULL,
+    joined_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (server_id) REFERENCES servers(server_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);
+
+-- Table des membres de canal
+CREATE TABLE channel_members (
+    channel_member_id INT AUTO_INCREMENT PRIMARY KEY,
+    channel_id INT NOT NULL,
+    user_id INT NOT NULL,
+    joined_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (channel_id) REFERENCES channels(channel_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);
+
+-- Table des rôles
+CREATE TABLE roles (
+    role_id INT AUTO_INCREMENT PRIMARY KEY,
+    server_id INT NOT NULL,
+    role_name VARCHAR(50) NOT NULL,
+    FOREIGN KEY (server_id) REFERENCES servers(server_id)
+);
+
+-- Table des relations utilisateur-rôle
+CREATE TABLE user_roles (
+    user_role_id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT NOT NULL,
+    role_id INT NOT NULL,
+    FOREIGN KEY (user_id) REFERENCES users(user_id),
+    FOREIGN KEY (role_id) REFERENCES roles(role_id)
+);