From bed693b073ffb5c07e2d907eff6696459d775f1b Mon Sep 17 00:00:00 2001
From: Moriz Wahl <moriz.wahl@gmx.de>
Date: Mon, 24 Apr 2023 15:49:24 +0200
Subject: [PATCH] feat(backend): filter posts by post type

---
 .../src/schema/resolvers/filter-posts.spec.js | 159 ++++++++++++++++++
 backend/src/schema/types/type/Post.gql        |   1 +
 2 files changed, 160 insertions(+)
 create mode 100644 backend/src/schema/resolvers/filter-posts.spec.js

diff --git a/backend/src/schema/resolvers/filter-posts.spec.js b/backend/src/schema/resolvers/filter-posts.spec.js
new file mode 100644
index 000000000..b3109dbe4
--- /dev/null
+++ b/backend/src/schema/resolvers/filter-posts.spec.js
@@ -0,0 +1,159 @@
+import { createTestClient } from 'apollo-server-testing'
+import Factory, { cleanDatabase } from '../../db/factories'
+import { getNeode, getDriver } from '../../db/neo4j'
+import createServer from '../../server'
+import CONFIG from '../../config'
+import { filterPosts, createPostMutation } from '../../graphql/posts'
+
+CONFIG.CATEGORIES_ACTIVE = false
+
+const driver = getDriver()
+const neode = getNeode()
+
+let query
+let mutate
+let authenticatedUser
+let user
+
+beforeAll(async () => {
+  await cleanDatabase()
+
+  const { server } = createServer({
+    context: () => {
+      return {
+        driver,
+        neode,
+        user: authenticatedUser,
+      }
+    },
+  })
+  query = createTestClient(server).query
+  mutate = createTestClient(server).mutate
+})
+
+afterAll(async () => {
+  await cleanDatabase()
+  driver.close()
+})
+
+describe('Filter Posts', () => {
+  const now = new Date()
+
+  beforeAll(async () => {
+    user = await Factory.build('user', {
+      id: 'user',
+      name: 'User',
+      about: 'I am a user.',
+    })
+    authenticatedUser = await user.toJson()
+    await mutate({
+      mutation: createPostMutation(),
+      variables: {
+        id: 'a1',
+        title: 'I am an article',
+        content: 'I am an article written by user.',
+      },
+    })
+    await mutate({
+      mutation: createPostMutation(),
+      variables: {
+        id: 'a2',
+        title: 'I am anonther article',
+        content: 'I am another article written by user.',
+      },
+    })
+    await mutate({
+      mutation: createPostMutation(),
+      variables: {
+        id: 'e1',
+        title: 'Illegaler Kindergeburtstag',
+        content: 'Elli wird fünf. Wir feiern ihren Geburtstag.',
+        postType: 'Event',
+        eventInput: {
+          eventStart: new Date(now.getFullYear(), now.getMonth() + 1).toISOString(),
+          eventVenue: 'Garten der Familie Maier',
+        },
+      },
+    })
+    await mutate({
+      mutation: createPostMutation(),
+      variables: {
+        id: 'e2',
+        title: 'Räuber-Treffen',
+        content: 'Planung der nächsten Räuberereien',
+        postType: 'Event',
+        eventInput: {
+          eventStart: new Date(now.getFullYear(), now.getMonth(), now.getDate() + 1).toISOString(),
+          eventVenue: 'Wirtshaus im Spessart',
+        },
+      },
+    })
+  })
+
+  describe('no filters set', () => {
+    it('finds all posts', async () => {
+      const {
+        data: { Post: result },
+      } = await query({ query: filterPosts() })
+      expect(result).toHaveLength(4)
+      expect(result).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ id: 'a1' }),
+          expect.objectContaining({ id: 'a2' }),
+          expect.objectContaining({ id: 'e1' }),
+          expect.objectContaining({ id: 'e2' }),
+        ]),
+      )
+    })
+  })
+
+  describe('post type filter set to ["Article"]', () => {
+    it('finds the articles', async () => {
+      const {
+        data: { Post: result },
+      } = await query({ query: filterPosts(), variables: { filter: { postType_in: ['Article'] } } })
+      expect(result).toHaveLength(2)
+      expect(result).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ id: 'a1' }),
+          expect.objectContaining({ id: 'a2' }),
+        ]),
+      )
+    })
+  })
+
+  describe('post type filter set to ["Event"]', () => {
+    it('finds the articles', async () => {
+      const {
+        data: { Post: result },
+      } = await query({ query: filterPosts(), variables: { filter: { postType_in: ['Event'] } } })
+      expect(result).toHaveLength(2)
+      expect(result).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ id: 'e1' }),
+          expect.objectContaining({ id: 'e2' }),
+        ]),
+      )
+    })
+  })
+
+  describe('post type filter set to ["Article", "Event"]', () => {
+    it('finds the articles', async () => {
+      const {
+        data: { Post: result },
+      } = await query({
+        query: filterPosts(),
+        variables: { filter: { postType_in: ['Article', 'Event'] } },
+      })
+      expect(result).toHaveLength(4)
+      expect(result).toEqual(
+        expect.arrayContaining([
+          expect.objectContaining({ id: 'a1' }),
+          expect.objectContaining({ id: 'a2' }),
+          expect.objectContaining({ id: 'e1' }),
+          expect.objectContaining({ id: 'e2' }),
+        ]),
+      )
+    })
+  })
+})
diff --git a/backend/src/schema/types/type/Post.gql b/backend/src/schema/types/type/Post.gql
index 22d7c1d5c..988e2b81d 100644
--- a/backend/src/schema/types/type/Post.gql
+++ b/backend/src/schema/types/type/Post.gql
@@ -83,6 +83,7 @@ input _PostFilter {
   emotions_every: _PostEMOTEDFilter
   group: _GroupFilter
   postsInMyGroups: Boolean
+  postType_in: [PostType]
 }
 
 enum _PostOrdering {