first commit

backend/database/runMigrations.js

@@ -0,0 +1,77 @@
+const fs = require('fs');
+const path = require('path');
+const { query } = require('./db');
+
+async function runMigrations() {
+  try {
+    await query(`
+            CREATE TABLE IF NOT EXISTS schema_migrations (
+                id SERIAL PRIMARY KEY,
+                filename VARCHAR(255) UNIQUE NOT NULL,
+                applied_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+            )
+        `);
+    await query(`
+            CREATE INDEX IF NOT EXISTS idx_schema_migrations_filename
+            ON schema_migrations(filename)
+        `);
+
+    // Get all migration files
+    const migrationsDir = path.join(__dirname, 'migrations');
+
+    if (!fs.existsSync(migrationsDir)) {
+      return;
+    }
+
+    const files = fs
+      .readdirSync(migrationsDir)
+      .filter((f) => f.endsWith('.sql'))
+      .sort(); // Run in alphabetical order (001_, 002_, etc.)
+
+    if (files.length === 0) {
+      return;
+    }
+
+    let appliedCount = 0;
+    let skippedCount = 0;
+
+    // Process each migration file
+    for (const file of files) {
+      // Check if migration has already been applied
+      const checkResult = await query('SELECT * FROM schema_migrations WHERE filename = $1', [
+        file,
+      ]);
+
+      if (checkResult.rows.length > 0) {
+        skippedCount++;
+        continue;
+      }
+
+      // Apply new migration
+      try {
+        const filePath = path.join(migrationsDir, file);
+        const sql = fs.readFileSync(filePath, 'utf8');
+
+        // Execute migration SQL
+        await query(sql);
+
+        // Record migration as applied
+        await query('INSERT INTO schema_migrations (filename) VALUES ($1)', [file]);
+        appliedCount++;
+      } catch (error) {
+        console.error(`  ❌ ${file} - FAILED`);
+        console.error(`     Error: ${error.message}`);
+        throw error; // Stop on first error
+      }
+    }
+  } catch (error) {
+    console.error('\n' + '='.repeat(50));
+    console.error('❌ Migration failed!');
+    console.error('='.repeat(50));
+    console.error(error);
+    console.error('\n⚠️  Server startup aborted due to migration failure\n');
+    throw error; // Re-throw to prevent server from starting
+  }
+}
+
+module.exports = { runMigrations };