feat: implements article table

migrations/1775011588385-adds-base-triggers.ts

@@ -0,0 +1,33 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddsBaseTriggers1775011588385 implements MigrationInterface {
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        queryRunner.query(`
+CREATE OR REPLACE FUNCTION set_updated_at()
+RETURNS TRIGGER AS $$
+BEGIN
+  NEW.updated_at = now();
+  RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER set_articles_updated_at
+BEFORE UPDATE ON articles
+FOR EACH ROW
+EXECUTE FUNCTION set_updated_at();
+
+CREATE TRIGGER set_users_updated_at
+BEFORE UPDATE on users
+FOR EACH ROW
+EXECUTE FUNCTION set_updated_at();
+        --end-sql`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`--sql
+DROP TRIGGER set_articles_updated_at ON articles;
+DROP TRIGGER set_users_updated_at ON users;
+DROP FUNCTION set_updated_at();
+        --end-sql`);
+    }
+}