Version One

src/lib/db.ts

@@ -0,0 +1,58 @@
+import mysql from 'mysql2/promise';
+
+let pool: mysql.Pool | null = null;
+
+export function getDb() {
+  if (!pool) {
+    pool = mysql.createPool({
+      host: process.env.db_ip || '127.0.0.1',
+      port: Number(process.env.db_port || 3306),
+      user: process.env.db_username || 'recipe',
+      password: process.env.db_password || 'pass',
+      database: process.env.db_name || 'recipe_db',
+      connectionLimit: 10,
+      charset: 'utf8mb4',
+    });
+  }
+  return pool;
+}
+
+export async function ensureSchema() {
+  const db = getDb();
+  await db.execute(`
+    CREATE TABLE IF NOT EXISTS recipes (
+      id BIGINT AUTO_INCREMENT PRIMARY KEY,
+      created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+      source_url VARCHAR(1024) NOT NULL,
+      platform ENUM('tiktok','instagram','unknown') NOT NULL,
+      description TEXT NULL,
+      transcript MEDIUMTEXT NULL,
+      analysis_json JSON NOT NULL,
+      thumbnail LONGBLOB NULL
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+  `);
+
+  // folders table
+  await db.execute(`
+    CREATE TABLE IF NOT EXISTS folders (
+      id BIGINT AUTO_INCREMENT PRIMARY KEY,
+      created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+      name VARCHAR(255) NOT NULL UNIQUE
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+  `);
+
+  // Add title column to recipes if missing
+  try {
+    await db.execute(`ALTER TABLE recipes ADD COLUMN title VARCHAR(255) NULL AFTER created_at`);
+  } catch {}
+
+  // Add folder_id column to recipes if missing
+  try {
+    await db.execute(`ALTER TABLE recipes ADD COLUMN folder_id BIGINT NULL AFTER title`);
+  } catch {}
+  try {
+    await db.execute(`ALTER TABLE recipes ADD CONSTRAINT fk_recipes_folder FOREIGN KEY (folder_id) REFERENCES folders(id) ON DELETE SET NULL`);
+  } catch {}
+}
+
+