Merge pull request #161 from lil-lab/recnet-api/create-migration-down

[recnet-api] Create migration down

apps/recnet-api/prisma/migrations/20240306064817_init/down.sql

@@ -0,0 +1,39 @@
+-- DropForeignKey
+ALTER TABLE "FollowingRecord" DROP CONSTRAINT "FollowingRecord_userId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "FollowingRecord" DROP CONSTRAINT "FollowingRecord_followerId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Recommendation" DROP CONSTRAINT "Recommendation_userId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Recommendation" DROP CONSTRAINT "Recommendation_articleId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "InviteCode" DROP CONSTRAINT "InviteCode_ownerId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "InviteCode" DROP CONSTRAINT "InviteCode_usedById_fkey";
+
+-- DropTable
+DROP TABLE "User";
+
+-- DropTable
+DROP TABLE "FollowingRecord";
+
+-- DropTable
+DROP TABLE "Recommendation";
+
+-- DropTable
+DROP TABLE "Article";
+
+-- DropTable
+DROP TABLE "InviteCode";
+
+-- DropEnum
+DROP TYPE "Provider";
+
+-- DropEnum
+DROP TYPE "Role";
+

apps/recnet-api/prisma/schema.prisma

@@ -9,8 +9,8 @@ generator client {
 }
 
 datasource db {
-  provider = "postgresql"
-  url      = env("PRISMA_DATABASE_URL")
+  provider          = "postgresql"
+  url               = env("PRISMA_DATABASE_URL")
 }
 
 // Define enum types

apps/recnet-api/project.json

@@ -45,6 +45,24 @@
         "forwardAllArgs": false
       }
     },
+    "prisma:migrate": {
+      "executor": "nx:run-commands",
+      "options": {
+        "commands": ["sh apps/recnet-api/scripts/dbMigrate.sh"],
+        "cwd": ".",
+        "forwardAllArgs": true
+      }
+    },
+    "prisma:deploy": {
+      "executor": "nx:run-commands",
+      "options": {
+        "commands": [
+          "pnpx prisma migrate deploy --schema=apps/recnet-api/prisma/schema.prisma"
+        ],
+        "cwd": ".",
+        "forwardAllArgs": false
+      }
+    },
     "deploy": {
       "executor": "nx:run-commands",
       "options": {

apps/recnet-api/scripts/dbMigrate.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+PRISMA_SCHEMA="apps/recnet-api/prisma/schema.prisma"
+PRISMA_MIGRATIONS_DIR="apps/recnet-api/prisma/migrations"
+
+MIGRATION_NAME="$1"
+
+perform_migration_up() {
+    pnpx prisma migrate dev --name $MIGRATION_NAME --schema="$PRISMA_SCHEMA"
+}
+
+perform_migration_down() {
+    npx prisma migrate diff \
+      --from-schema-datamodel $PRISMA_SCHEMA \
+      --to-schema-datasource $PRISMA_SCHEMA \
+      --script > down.sql
+}
+
+move_down_sql_file() {
+    DIRECTORY=$(find $PRISMA_MIGRATIONS_DIR -type d -name "*$MIGRATION_NAME*" | tail -n 1)
+    mv down.sql $DIRECTORY/down.sql
+}
+
+echo "Migrating database to $MIGRATION_NAME"
+echo "Performing migration down"
+perform_migration_down
+
+echo "Performing migration up"
+perform_migration_up
+
+echo "Moving down.sql to migration directory"
+move_down_sql_file