import { MigrationInterface, QueryRunner } from 'typeorm';

export class AddsArticlesTable1775782403581 implements MigrationInterface {
    public async up(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.query(`--sql
CREATE TABLE articles (
    id BIGSERIAL PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    slug VARCHAR(255) NOT NULL UNIQUE,
    description TEXT NOT NULL,
    cover_image_url TEXT NOT NULL,
    content TEXT NOT NULL,
    author_id BIGINT NOT NULL,
    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
    external_id UUID NOT NULL DEFAULT gen_random_uuid() UNIQUE,
    
    FOREIGN KEY (author_id) REFERENCES users (id) ON DELETE CASCADE
);

CREATE TRIGGER set_articles_updated_at
BEFORE UPDATE on articles
FOR EACH ROW
EXECUTE FUNCTION set_updated_at();
--end-sql`);
    }

    public async down(queryRunner: QueryRunner): Promise<void> {
        await queryRunner.query(`--sql
DROP TABLE articles CASCADE;
--end-sql`);
    }
}