first commit

backend/database/run-migrations.js

@@ -0,0 +1,67 @@
+const fs = require('fs');
+const path = require('path');
+const { query, closePool, dbReady } = require('./db');
+
+const MIGRATIONS_DIR = path.join(__dirname, 'migrations');
+
+async function runMigrations() {
+  try {
+    // Wait for schema to be initialized before running migrations
+    await dbReady;
+
+    // Create migrations tracking table if it doesn't exist
+    await query(`
+            CREATE TABLE IF NOT EXISTS schema_migrations (
+                id SERIAL PRIMARY KEY,
+                filename VARCHAR(255) NOT NULL UNIQUE,
+                applied_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
+            )
+        `);
+
+    // Get list of already applied migrations
+    const applied = await query('SELECT filename FROM schema_migrations ORDER BY filename');
+    const appliedSet = new Set(applied.rows.map((r) => r.filename));
+
+    // Read all .sql files from migrations directory, sorted alphabetically
+    const files = fs
+      .readdirSync(MIGRATIONS_DIR)
+      .filter((f) => f.endsWith('.sql'))
+      .sort();
+
+    let migrationsRun = 0;
+
+    for (const file of files) {
+      if (appliedSet.has(file)) {
+        continue;
+      }
+      const filePath = path.join(MIGRATIONS_DIR, file);
+      const sql = fs.readFileSync(filePath, 'utf8');
+
+      // Execute the entire migration as a single statement block
+      await query(sql);
+
+      // Record the migration
+      await query('INSERT INTO schema_migrations (filename) VALUES ($1)', [file]);
+      migrationsRun++;
+    }
+
+    if (migrationsRun === 0) {
+    } else {
+    }
+  } catch (error) {
+    console.error('Migration error:', error.message);
+    throw error;
+  }
+}
+
+// Run if executed directly
+if (require.main === module) {
+  runMigrations()
+    .then(() => closePool())
+    .then(() => process.exit(0))
+    .catch(() => {
+      closePool().then(() => process.exit(1));
+    });
+}
+
+module.exports = { runMigrations };