From da2c7dc6845cd100d8b9d3e0a6b0ef4a7426cbbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Wolfgang=20Hu=C3=9F?= <wolle.huss@pjannto.com>
Date: Wed, 3 Aug 2022 07:29:51 +0200
Subject: [PATCH] Add migration with fulltext indeces and unique keys for
 groups

---
 backend/src/db/migrate/store.js               |  1 -
 ...text_indices_and_unique_keys_for_groups.js | 66 +++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.js

diff --git a/backend/src/db/migrate/store.js b/backend/src/db/migrate/store.js
index 78960be6b..938ebef02 100644
--- a/backend/src/db/migrate/store.js
+++ b/backend/src/db/migrate/store.js
@@ -63,7 +63,6 @@ class Store {
       return Promise.all(
         [
           'CALL db.index.fulltext.createNodeIndex("user_fulltext_search",["User"],["name", "slug"])',
-          'CALL db.index.fulltext.createNodeIndex("user_fulltext_search",["Group"],["name", "slug", "description"])', // Wolle: check for 'name', 'slug', 'description'
           'CALL db.index.fulltext.createNodeIndex("post_fulltext_search",["Post"],["title", "content"])',
           'CALL db.index.fulltext.createNodeIndex("tag_fulltext_search",["Tag"],["id"])',
         ].map((statement) => txc.run(statement)),
diff --git a/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.js b/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.js
new file mode 100644
index 000000000..b87e5632a
--- /dev/null
+++ b/backend/src/db/migrations/20220803060819-create_fulltext_indices_and_unique_keys_for_groups.js
@@ -0,0 +1,66 @@
+import { getDriver } from '../../db/neo4j'
+
+export const description = `
+  We introduced a new node label 'Group' and we need two primary keys 'id' and 'slug' for it.
+  Additional we like to have fulltext indices the keys 'name', 'slug', 'about', and 'description'.
+`
+
+export async function up(next) {
+  const driver = getDriver()
+  const session = driver.session()
+  const transaction = session.beginTransaction()
+
+  try {
+    // Implement your migration here.
+    await transaction.run(`
+      CREATE CONSTRAINT ON ( group:Group ) ASSERT group.id IS UNIQUE
+    `)
+    await transaction.run(`
+      CREATE CONSTRAINT ON ( group:Group ) ASSERT group.slug IS UNIQUE
+    `)
+    await transaction.run(`
+      CALL db.index.fulltext.createNodeIndex("group_fulltext_search",["Group"],["name", "slug", "about", "description"])
+    `)
+    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 {
+    // Implement your migration here.
+    await transaction.run(`
+      DROP CONSTRAINT ON ( group:Group ) ASSERT group.id IS UNIQUE
+    `)
+    await transaction.run(`
+      DROP CONSTRAINT ON ( group:Group ) ASSERT group.slug IS UNIQUE
+    `)
+    await transaction.run(`
+      CALL db.index.fulltext.drop("group_fulltext_search")
+    `)
+    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()
+  }
+}