Migrate renamed group properties 'description' to 'groupDescription', 'descriptionExcerpt' to 'groupDescriptionExcerpt'

backend/src/db/migrations/20221109171154-change_group_fulltext_index_for_property_description_to_groupDescription.js

@@ -0,0 +1,60 @@
+import { getDriver } from '../neo4j'
+
+export const description = `
+  We change the full-text index on node label 'Group' from property 'description' to 'groupDescription'.
+  This belongs to next migration '20221109201106-change_group_properties_from_description_to_groupDescription'.
+`
+
+export async function up(next) {
+  const driver = getDriver()
+  const session = driver.session()
+  const transaction = session.beginTransaction()
+
+  try {
+    // Implement your migration here.
+    await transaction.run(`
+      CALL db.index.fulltext.drop('group_fulltext_search')
+    `)
+    await transaction.run(`
+      CALL db.index.fulltext.createNodeIndex("group_fulltext_search",["Group"],["name", "slug", "about", "groupDescription"])
+    `)
+    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(`
+      CALL db.index.fulltext.drop('group_fulltext_search')
+    `)
+    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()
+  }
+}

backend/src/db/migrations/20221109201106-change_group_properties_from_description_to_groupDescription.js

@@ -0,0 +1,64 @@
+import { getDriver } from '../neo4j'
+
+export const description = `
+  We change on node label 'Group':
+  – properties name 'description' to 'groupDescription'
+  – properties name 'descriptionExcerpt' to 'groupDescriptionExcerpt'
+  This belongs to further migration '20221109171154-change_group_fulltext_index_for_property_description_to_groupDescription'.
+`
+
+export async function up(next) {
+  const driver = getDriver()
+  const session = driver.session()
+  const transaction = session.beginTransaction()
+
+  try {
+    // Implement your migration here.
+    await transaction.run(`
+      MATCH (group:Group)
+      SET group.groupDescription = group.description
+      REMOVE group.description
+      SET group.groupDescriptionExcerpt = group.descriptionExcerpt
+      REMOVE group.descriptionExcerpt
+    `)
+    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(`
+      MATCH (group:Group)
+      SET group.description = group.groupDescription
+      REMOVE group.groupDescription
+      SET group.descriptionExcerpt = group.groupDescriptionExcerpt
+      REMOVE group.groupDescriptionExcerpt
+    `)
+    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()
+  }
+}

neo4j/README.md

@@ -103,17 +103,17 @@ $ kubectl -n default exec -it $(kubectl -n default get pods | grep ocelot-backen
 ```bash
 # in browser command line or cypher shell
 
-# show all indexes and contraints
+# show all indexes and constraints
 $ :schema
 
 # show all indexes
 $ CALL db.indexes();
 
-# show all contraints
+# show all constraints
 $ CALL db.constraints();
 ```
 
-***Cypher commands to create and drop indexes and contraints***
+***Cypher commands to create and drop indexes and constraints***
 
 ```bash
 # in browser command line or cypher shell
@@ -122,9 +122,17 @@ $ CALL db.constraints();
 $ CALL db.index.fulltext.createNodeIndex("post_fulltext_search",["Post"],["title", "content"]);
 $ CALL db.index.fulltext.createNodeIndex("user_fulltext_search",["User"],["name", "slug"]);
 $ CALL db.index.fulltext.createNodeIndex("tag_fulltext_search",["Tag"],["id"]);
+$ CALL db.index.fulltext.createNodeIndex("group_fulltext_search",["Group"],["name", "slug", "about", "description"])
 
 # drop an index
-$ DROP CONSTRAINT ON ( image:Image ) ASSERT image.url IS UNIQUE
+$ CALL db.index.fulltext.drop('post_fulltext_search')
+$ CALL db.index.fulltext.drop('group_fulltext_search')
+
+# create constraint
+$ CREATE CONSTRAINT ON ( group:Group ) ASSERT group.id IS UNIQUE
+
+# drop a constraint
+$ DROP CONSTRAINT ON ( group:Group ) ASSERT group.id IS UNIQUE
 
 # drop all indexes and contraints
 $ CALL apoc.schema.assert({},{},true) YIELD label, key RETURN * ;