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migrations/20240506141114_channel.sql

@@ -0,0 +1,27 @@
+CREATE TABLE IF NOT EXISTS `channel` (
+    `id` INTEGER PRIMARY KEY AUTOINCREMENT,
+    `name` VARCHAR,
+    `last_message_id` INTEGER,
+    `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS `channel_user` (
+    `id` INTEGER PRIMARY KEY AUTOINCREMENT,
+    `channel_id` INTEGER NOT NULL,
+    `user_id` INTEGER NOT NULL,
+    `admin` BOOLEAN NOT NULL DEFAULT 0,
+    FOREIGN KEY(`channel_id`) REFERENCES `channel`(`id`) ON DELETE CASCADE,
+    FOREIGN KEY(`user_id`) REFERENCES `user`(`id`) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS `message` (
+    `id` INTEGER PRIMARY KEY AUTOINCREMENT,
+    `channel_id` INTEGER NOT NULL,
+    `author_id` INTEGER,
+    `content` TEXT,
+    `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(`channel_id`) REFERENCES `channel`(`id`) ON DELETE CASCADE,
+    FOREIGN KEY(`author_id`) REFERENCES `user`(`id`) ON DELETE
+    SET
+        NULL
+);