chapter 2

api/db/migrations/20220414233534_create_post/migration.sql

@@ -0,0 +1,7 @@
+-- CreateTable
+CREATE TABLE "Post" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "title" TEXT NOT NULL,
+    "body" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);

api/db/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "sqlite"

api/db/schema.prisma

@@ -8,11 +8,9 @@ generator client {
   binaryTargets = "native"
 }
 
-// Define your own datamodels here and run `yarn redwood prisma migrate dev`
-// to create migrations for them and apply to your dev DB.
-// TODO: Please remove the following example:
-model UserExample {
-  id    Int     @id @default(autoincrement())
-  email String  @unique
-  name  String?
+model Post {
+  id        Int      @id @default(autoincrement())
+  title     String
+  body      String
+  createdAt DateTime @default(now())
 }

api/src/graphql/posts.sdl.js

@@ -0,0 +1,29 @@
+export const schema = gql`
+  type Post {
+    id: Int!
+    title: String!
+    body: String!
+    createdAt: DateTime!
+  }
+
+  type Query {
+    posts: [Post!]! @requireAuth
+    post(id: Int!): Post @requireAuth
+  }
+
+  input CreatePostInput {
+    title: String!
+    body: String!
+  }
+
+  input UpdatePostInput {
+    title: String
+    body: String
+  }
+
+  type Mutation {
+    createPost(input: CreatePostInput!): Post! @requireAuth
+    updatePost(id: Int!, input: UpdatePostInput!): Post! @requireAuth
+    deletePost(id: Int!): Post! @requireAuth
+  }
+`

api/src/services/posts/posts.js

@@ -0,0 +1,30 @@
+import { db } from 'src/lib/db'
+
+export const posts = () => {
+  return db.post.findMany()
+}
+
+export const post = ({ id }) => {
+  return db.post.findUnique({
+    where: { id },
+  })
+}
+
+export const createPost = ({ input }) => {
+  return db.post.create({
+    data: input,
+  })
+}
+
+export const updatePost = ({ id, input }) => {
+  return db.post.update({
+    data: input,
+    where: { id },
+  })
+}
+
+export const deletePost = ({ id }) => {
+  return db.post.delete({
+    where: { id },
+  })
+}

api/src/services/posts/posts.scenarios.js

@@ -0,0 +1,6 @@
+export const standard = defineScenario({
+  post: {
+    one: { data: { title: 'String', body: 'String' } },
+    two: { data: { title: 'String', body: 'String' } },
+  },
+})

api/src/services/posts/posts.test.js

@@ -0,0 +1,47 @@
+import { posts, post, createPost, updatePost, deletePost } from './posts'
+
+// Generated boilerplate tests do not account for all circumstances
+// and can fail without adjustments, e.g. Float and DateTime types.
+//           Please refer to the RedwoodJS Testing Docs:
+//       https://redwoodjs.com/docs/testing#testing-services
+// https://redwoodjs.com/docs/testing#jest-expect-type-considerations
+
+describe('posts', () => {
+  scenario('returns all posts', async (scenario) => {
+    const result = await posts()
+
+    expect(result.length).toEqual(Object.keys(scenario.post).length)
+  })
+
+  scenario('returns a single post', async (scenario) => {
+    const result = await post({ id: scenario.post.one.id })
+
+    expect(result).toEqual(scenario.post.one)
+  })
+
+  scenario('creates a post', async () => {
+    const result = await createPost({
+      input: { title: 'String', body: 'String' },
+    })
+
+    expect(result.title).toEqual('String')
+    expect(result.body).toEqual('String')
+  })
+
+  scenario('updates a post', async (scenario) => {
+    const original = await post({ id: scenario.post.one.id })
+    const result = await updatePost({
+      id: original.id,
+      input: { title: 'String2' },
+    })
+
+    expect(result.title).toEqual('String2')
+  })
+
+  scenario('deletes a post', async (scenario) => {
+    const original = await deletePost({ id: scenario.post.one.id })
+    const result = await post({ id: original.id })
+
+    expect(result).toEqual(null)
+  })
+})