From 44e2c1adf7ba8aa640feaef630e255a9d4c9e80c Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Thu, 8 Jun 2023 14:00:04 +0200
Subject: [PATCH] feat(backend): migration to add postType property to existing
 posts

---
 .../20230608130637-add-postType-property.js   | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 backend/src/db/migrations/20230608130637-add-postType-property.js

diff --git a/backend/src/db/migrations/20230608130637-add-postType-property.js b/backend/src/db/migrations/20230608130637-add-postType-property.js
new file mode 100644
index 000000000..433577715
--- /dev/null
+++ b/backend/src/db/migrations/20230608130637-add-postType-property.js
@@ -0,0 +1,53 @@
+import { getDriver } from '../../db/neo4j'
+
+export const description = 'Add postType property Article to all posts'
+
+export async function up(next) {
+  const driver = getDriver()
+  const session = driver.session()
+  const transaction = session.beginTransaction()
+
+  try {
+    await transaction.run(`
+      MATCH (post:Post)
+      SET post.postType = 'Article'
+      RETURN post
+    `)
+    await transaction.commit()
+    next()
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.log(error)
+    await transaction.rollback()
+    // eslint-disable-next-line no-console
+    console.log('rolled back')
+    throw new Error(error)
+  } finally {
+    session.close()
+  }
+}
+
+export async function down(next) {
+  const driver = getDriver()
+  const session = driver.session()
+  const transaction = session.beginTransaction()
+
+  try {
+    await transaction.run(`
+      MATCH (post:Post)
+      REMOVE post.postType
+      RETURN post
+    `)
+    await transaction.commit()
+    next()
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.log(error)
+    await transaction.rollback()
+    // eslint-disable-next-line no-console
+    console.log('rolled back')
+    throw new Error(error)
+  } finally {
+    session.close()
+  }
+}