feat: implements article table

migrations/1774988438124-adds-user-table.ts

@@ -12,7 +12,7 @@ CREATE TABLE users (
     role user_role NOT NULL DEFAULT 'user',
     created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
     updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
-    external_id UUID NOT NULL DEFAULT gen_random_uuid()
+    external_id UUID NOT NULL DEFAULT gen_random_uuid() UNIQUE
 );
 --end-sql`);
     }

migrations/1775010269415-adds-articles-table.ts

@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddsArticlesTable1775010269415 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
+);
+--end-sql`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`--sql
+DROP TABLE articles;
+--end-sql`);
+    }
+}

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`);
+    }
+}