add: down migration command

Makefile

@@ -54,9 +54,19 @@ format: ## Format project with eslint and prettier
 	yarn run lint:fix && yarn run prettier:fix
 
 .PHONY: gen-migration
-gen-migration: ## Generate migration file
+gen-migration: ## Generate up migration file
 	yarn run prisma migrate dev --name $(m) --create-only
 
+.PHONY: gen-down-migration
+gen-down-migration: ## Generate down migration file
+	$(eval include .env.test)
+	$(eval export $(sh sed 's/=.*//' .env.test))
+	yarn run prisma migrate diff \
+		--from-schema-datamodel prisma/schema.prisma \
+		--to-migrations prisma/migrations \
+		--shadow-database-url ${SHADOW_DATABASE_URL} \
+		--script > down.sql
+
 .PHONY: apply-migration
 apply-migration: ## Apply migration file changes to db
 	yarn run prisma migrate dev

docker-compose.yml

@@ -12,6 +12,15 @@ services:
     volumes:
       - ./pgdata:/var/lib/postgresql/data
 
+  prisma-shadow-db:
+    image: postgres:16.0-alpine
+    environment:
+      POSTGRES_USER: shadow-user
+      POSTGRES_PASSWORD: shadow-password
+      POSTGRES_DB: shadow-db
+    ports:
+      - '5434:5432'
+
   postgresql-test:
     image: postgres:16.0-alpine
     environment:

prisma/migrations/20240104124213_api_context_author/down.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "ApiMetadata" DROP COLUMN "someRandomColumn";

prisma/migrations/20240104124213_api_context_author/migration.sql

@@ -0,0 +1,10 @@
+/*
+  Warnings:
+
+  - Added the required column `authoredById` to the `ApiMetadata` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "ApiMetadata" ADD COLUMN     "authoredById" INTEGER NULL;
+UPDATE "ApiMetadata" SET "authoredById" = 1;
+ALTER TABLE "ApiMetadata" ALTER COLUMN "authoredById" SET NOT NULL;

prisma/schema.prisma

@@ -5,14 +5,16 @@ generator client {
 datasource db {
     provider = "postgresql"
     url      = env("DATABASE_URL")
+    shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
 }
 
 model ApiMetadata {
-    id      Int      @id @default(autoincrement())
-    key     String   @unique
-    value   String
-    created DateTime @default(now())
-    updated DateTime @updatedAt
+    id              Int      @id @default(autoincrement())
+    key             String   @unique
+    value           String
+    created         DateTime @default(now())
+    updated         DateTime @updatedAt
+    authoredById    Int
 }
 
 model User {

src/jobs/apiMaintenanace.job.ts

@@ -10,7 +10,7 @@ export const ApiMaintenanceJob = cron.schedule(
     let apiStatus = await apiMetadataRepository.getApiMetadata('status');
     if (!apiStatus) {
       logger.warn('Api status is null, adding status immediately.');
-      apiStatus = await apiMetadataRepository.createApiMetadata('status', ApiStatus.Maintenance);
+      apiStatus = await apiMetadataRepository.createApiMetadata('status', ApiStatus.Maintenance, 1);
     }
     config.api.status = apiStatus.value;
     if (config.api.status === ApiStatus.Live) logger.info('Api is live.');

src/repositories/apiMetadata.ts

@@ -1,11 +1,16 @@
 import prisma from '../core/prisma/client';
 import { ApiMetadatReturn, ApiMetadata } from '../types/apiMetadata';
 
-const createApiMetadata = async (key: string, value: string): Promise<ApiMetadata> => {
+const createApiMetadata = async (
+  key: string,
+  value: string,
+  authoredById: number,
+): Promise<ApiMetadata> => {
   return (await prisma.apiMetadata.create({
     data: {
       key,
       value,
+      authoredById,
     },
   })) as unknown as Promise<ApiMetadata>;
 };