Created new routes, changed file names, new tables

prisma/migrations/20230725192001_created_comments_model/migration.sql

@@ -0,0 +1,46 @@
+-- DropForeignKey
+ALTER TABLE "Follows" DROP CONSTRAINT "Follows_followerId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Follows" DROP CONSTRAINT "Follows_followingId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Like" DROP CONSTRAINT "Like_postId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Like" DROP CONSTRAINT "Like_userId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Post" DROP CONSTRAINT "Post_authorId_fkey";
+
+-- CreateTable
+CREATE TABLE "Comments" (
+    "id" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "postId" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Comments_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Post" ADD CONSTRAINT "Post_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Like" ADD CONSTRAINT "Like_postId_fkey" FOREIGN KEY ("postId") REFERENCES "Post"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Like" ADD CONSTRAINT "Like_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Follows" ADD CONSTRAINT "Follows_followerId_fkey" FOREIGN KEY ("followerId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Follows" ADD CONSTRAINT "Follows_followingId_fkey" FOREIGN KEY ("followingId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Comments" ADD CONSTRAINT "Comments_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Comments" ADD CONSTRAINT "Comments_postId_fkey" FOREIGN KEY ("postId") REFERENCES "Post"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20230725193554_created_notifications_model/migration.sql

@@ -0,0 +1,20 @@
+-- CreateEnum
+CREATE TYPE "NotificationType" AS ENUM ('WARNING', 'FRIEND');
+
+-- CreateTable
+CREATE TABLE "Notifications" (
+    "id" TEXT NOT NULL,
+    "type" "NotificationType" NOT NULL,
+    "content" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "fromUserId" TEXT NOT NULL,
+    "toUserId" TEXT NOT NULL,
+
+    CONSTRAINT "Notifications_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Notifications" ADD CONSTRAINT "Notifications_fromUserId_fkey" FOREIGN KEY ("fromUserId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Notifications" ADD CONSTRAINT "Notifications_toUserId_fkey" FOREIGN KEY ("toUserId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20230725204148_modified_comments_model/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Comments" ADD COLUMN     "updatedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

prisma/schema.prisma

@@ -8,25 +8,29 @@ datasource db {
 }
 
 model User {
-  id              String  @id  @default(uuid())
-  displayName     String?
-  username        String  @unique
-  email           String  @unique
-  password        String
-  posts           Post[]
-  profileImage    String?
-  likedPosts      Like[]
-  followers       Follows[] @relation("following")
-  following       Follows[] @relation("follower")
-  createdAt       DateTime     @default(now())
+  id                  String            @id  @default(uuid())
+  displayName         String?
+  username            String            @unique
+  email               String            @unique
+  password            String
+  posts               Post[]
+  profileImage        String?
+  likedPosts          Like[]
+  followers           Follows[]         @relation("following")
+  following           Follows[]         @relation("follower")
+  postComments        Comments[]
+  fromNotifications   Notifications[]   @relation("fromNotifications")
+  toNotifications     Notifications[]   @relation("toNotifications")
+  createdAt           DateTime          @default(now())
 }
 
 model Post {
   id        String    @id @default(uuid())
   content   String
   authorId  String
-  author    User      @relation(fields: [authorId], references: [id])
+  author    User      @relation(fields: [authorId], references: [id], onDelete: Cascade)
   likes     Like[]
+  comments  Comments[]
   createdAt DateTime  @default(now())
   updatedAt DateTime  @updatedAt
 }
@@ -34,16 +38,44 @@ model Post {
 model Like {
   id        String    @id @default(uuid())
   postId    String
-  post      Post      @relation(fields: [postId], references: [id])
+  post      Post      @relation(fields: [postId], references: [id], onDelete: Cascade)
   userId    String
-  user      User      @relation(fields: [userId], references: [id])
+  user      User      @relation(fields: [userId], references: [id], onDelete: Cascade)
   createdAt DateTime  @default(now())
 }
+
 model Follows {
-  follower    User @relation("follower", fields: [followerId], references: [id])
+  follower    User    @relation("follower", fields: [followerId], references: [id], onDelete: Cascade)
   followerId  String
-  following   User @relation("following", fields: [followingId], references: [id])
+  following   User    @relation("following", fields: [followingId], references: [id], onDelete: Cascade)
   followingId String
 
   @@id([followerId, followingId])
 }
+
+model Comments {
+  id         String   @id @default(uuid())
+  content    String
+  userId     String
+  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  postId     String
+  post       Post     @relation(fields: [postId], references: [id], onDelete: Cascade)
+  createdAt  DateTime @default(now())
+  updatedAt  DateTime @updatedAt  @default(now())
+}
+
+model Notifications {
+  id            String    @id @default(uuid())
+  type          NotificationType
+  content       String
+  createdAt     DateTime  @default(now())
+  fromUserId    String
+  fromUser      User?     @relation(name: "fromNotifications", fields: [fromUserId], references: [id], onDelete: Cascade)
+  toUserId      String
+  toUser        User?     @relation(name: "toNotifications", fields: [toUserId], references: [id], onDelete: Cascade)
+}
+
+enum NotificationType {
+  WARNING
+  FRIEND
+}

src/app.ts

@@ -7,8 +7,7 @@ import limiter from './middlewares/rate-limit'
 
 const app = express()
 
-// TODO: find a way to declare global variables for better refactor on test
-// TODO: must pass userMock as a global
+// TODO: Create a documentation page or create the client because this is getting really big
 
 app.use(express.json())
 app.use(express.urlencoded({ extended: true }))

src/controllers/comments-router.ts

@@ -0,0 +1,22 @@
+/* eslint-disable @typescript-eslint/no-misused-promises */
+
+import { Router } from 'express'
+
+// Controllers
+import commentCreateController from './comments/create'
+import commentDeleteController from './comments/delete'
+import commentFetchController from './comments/fetch'
+import commentUpdateController from './comments/update'
+
+// Middlewares
+import ensureAuthenticated from '../middlewares/ensure-authenticated'
+
+const commentsRouter = Router()
+
+// Posts related
+commentsRouter.post('/create', ensureAuthenticated, commentCreateController)
+commentsRouter.post('/delete', ensureAuthenticated, commentDeleteController)
+commentsRouter.get('/info', commentFetchController)
+commentsRouter.put('/update', ensureAuthenticated, commentUpdateController)
+
+export default commentsRouter

src/controllers/comments/create.ts

@@ -0,0 +1,26 @@
+import { comment } from '../../services'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function commentCreateController (req: Request, res: Response): Promise<void> {
+  const { content, postId } = req.body
+  const id = req.user?.id ?? ''
+
+  if (postId === undefined) {
+    return badRequest(res, 'Expected post id')
+  }
+
+  if (content === undefined) {
+    return badRequest(res, 'Expected comment content')
+  }
+
+  const result = await comment.create(postId, content, id)
+
+  if (result instanceof Error) {
+    return badRequest(res, result.message)
+  }
+
+  res.json(result)
+}
+
+export default commentCreateController

src/controllers/comments/delete.ts

@@ -0,0 +1,22 @@
+import { comment } from '../../services'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function commentDeleteController (req: Request, res: Response): Promise<void> {
+  const { commentId } = req.body
+  const id = req.user?.id ?? ''
+
+  if (commentId === undefined) {
+    return badRequest(res, 'Expected post id')
+  }
+
+  const result = await comment.delete(commentId, id)
+
+  if (result instanceof Error) {
+    return badRequest(res, result.message)
+  }
+
+  res.json(result)
+}
+
+export default commentDeleteController

src/controllers/comments/fetch.ts

@@ -0,0 +1,21 @@
+import { comment } from '../../services'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function commentFetchController (req: Request, res: Response): Promise<void> {
+  const commentId = req.query.id as string
+
+  if (commentId === undefined) {
+    return badRequest(res, 'Expected post id')
+  }
+
+  const result = await comment.fetch(commentId)
+
+  if (result instanceof Error) {
+    return badRequest(res, result.message)
+  }
+
+  res.json(result)
+}
+
+export default commentFetchController

src/controllers/comments/update.ts

@@ -0,0 +1,26 @@
+import { comment } from '../../services'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function commentUpdateController (req: Request, res: Response): Promise<void> {
+  const { commentId, content } = req.body
+  const id = req.user?.id ?? ''
+
+  if (commentId === undefined) {
+    return badRequest(res, 'Expected comment content')
+  }
+
+  if (content === undefined) {
+    return badRequest(res, 'Expected content to update')
+  }
+
+  const result = await comment.update(content, id, commentId)
+
+  if (result instanceof Error) {
+    return badRequest(res, result.message)
+  }
+
+  res.json(result)
+}
+
+export default commentUpdateController

src/controllers/posts-router.ts

@@ -5,18 +5,20 @@ import { Router } from 'express'
 // Controllers
 import postCreateController from './posts/create'
 import postDeleteController from './posts/delete'
-import postInfoController from './posts/get-info'
+import postFetchInfoController from './posts/fetch-info'
 import postUpdateController from './posts/update'
 
 // Middlewares
 import ensureAuthenticated from '../middlewares/ensure-authenticated'
+import postFetchLikesController from './posts/fetch-likes'
 
 const postsRouter = Router()
 
 // Posts related
 postsRouter.post('/create', ensureAuthenticated, postCreateController)
 postsRouter.post('/delete', ensureAuthenticated, postDeleteController)
-postsRouter.get('/info', postInfoController)
+postsRouter.get('/info', postFetchInfoController)
 postsRouter.put('/update', ensureAuthenticated, postUpdateController)
+postsRouter.get('/fetch-likes', postFetchLikesController)
 
 export default postsRouter

src/controllers/posts/create.ts

@@ -6,6 +6,10 @@ async function postCreateController (req: Request, res: Response): Promise<void>
   const { content } = req.body
   const id: string = req.user?.id ?? ''
 
+  if (content === undefined) {
+    return badRequest(res, 'Expected post content')
+  }
+
   const result = await post.create(content, id)
 
   if (result instanceof Error) {

src/controllers/posts/fetch-info.ts

@@ -2,7 +2,7 @@ import { post } from '../../services/index'
 import type { Request, Response } from 'express'
 import { badRequest } from '../../lib/http-errors'
 
-async function postInfoController (req: Request, res: Response): Promise<void> {
+async function postFetchInfoController (req: Request, res: Response): Promise<void> {
   const id = req.query.id as string
 
   if (id === undefined) {
@@ -18,4 +18,4 @@ async function postInfoController (req: Request, res: Response): Promise<void> {
   res.json(result)
 }
 
-export default postInfoController
+export default postFetchInfoController

src/controllers/posts/fetch-likes.ts

@@ -0,0 +1,21 @@
+import { post } from '../../services/index'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function postFetchLikesController (req: Request, res: Response): Promise<void> {
+  const id = req.query.id as string
+
+  if (id === undefined) {
+    return badRequest(res, 'Missing post id')
+  }
+
+  const result = await post.fetchLikes(id)
+
+  if (result instanceof Error) {
+    return badRequest(res, result.message)
+  }
+
+  res.json(result)
+}
+
+export default postFetchLikesController

src/controllers/users-router.ts

@@ -6,8 +6,10 @@ import { Router } from 'express'
 import userAuthController from './users/auth'
 import userDeleteController from './users/delete'
 import userFollowController from './users/follow-user'
-import userInfoController from './users/get-info'
+import userFetchInfoController from './users/fetch-info'
+import userFetchPostsController from './users/fetch-posts'
 import userLikePostController from './users/like-post'
+import userSearchController from './users/search-user'
 import userSignupController from './users/signup'
 import userUpdateController from './users/update'
 import userUploadPictureController from './users/upload-picture'
@@ -21,11 +23,13 @@ const usersRouter = Router()
 // Users related
 usersRouter.post('/auth', userAuthController)
 usersRouter.post('/delete', ensureAuthenticated, userDeleteController)
-usersRouter.get('/info', userInfoController)
+usersRouter.get('/info', userFetchInfoController)
 usersRouter.post('/signup', userSignupController)
 usersRouter.put('/update', ensureAuthenticated, userUpdateController)
 usersRouter.put('/profile-picture/upload', ensureAuthenticated, uploadFile, userUploadPictureController)
 usersRouter.post('/like-post', ensureAuthenticated, userLikePostController)
 usersRouter.post('/follow-user', ensureAuthenticated, userFollowController)
+usersRouter.get('/fetch-posts', userFetchPostsController)
+usersRouter.get('/search', userSearchController)
 
 export default usersRouter

src/controllers/users/fetch-info.ts

@@ -2,14 +2,14 @@ import { user } from '../../services'
 import type { Request, Response } from 'express'
 import { badRequest } from '../../lib/http-errors'
 
-async function userInfoController (req: Request, res: Response): Promise<void> {
+async function userFetchInfoController (req: Request, res: Response): Promise<void> {
   const username = req.query.u as string
 
   if (username === undefined) {
     return badRequest(res, 'Missing username')
   }
 
-  const result = await user.info(username.toLowerCase())
+  const result = await user.fetchInfo(username.toLowerCase())
 
   if (result instanceof Error) {
     return badRequest(res, result.message)
@@ -18,4 +18,4 @@ async function userInfoController (req: Request, res: Response): Promise<void> {
   res.json(result)
 }
 
-export default userInfoController
+export default userFetchInfoController

src/controllers/users/fetch-posts.ts

@@ -0,0 +1,17 @@
+import { user } from '../../services'
+import type { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function userFetchPostsController (req: Request, res: Response): Promise<void> {
+  const username = req.query.u as string
+
+  if (username === undefined) {
+    return badRequest(res, 'Missing username')
+  }
+
+  const result = await user.fetchPosts(username)
+
+  res.json(result)
+}
+
+export default userFetchPostsController

src/controllers/users/search-user.ts

@@ -0,0 +1,17 @@
+import { user } from '../../services'
+import { Request, Response } from 'express'
+import { badRequest } from '../../lib/http-errors'
+
+async function userSearchController (req: Request, res: Response): Promise<void> {
+  const username = req.query.u as string
+
+  if (username === undefined) {
+    return badRequest(res, 'Missing username')
+  }
+
+  const result = await user.searchUser(username)
+
+  res.json(result)
+}
+
+export default userSearchController

src/routes.ts

@@ -3,10 +3,12 @@ import { Router } from 'express'
 // Routers
 import usersRouter from './controllers/users-router'
 import postsRouter from './controllers/posts-router'
+import commentsRouter from './controllers/comments-router'
 
 const router = Router()
 
 router.use('/user', usersRouter)
 router.use('/post', postsRouter)
+router.use('/comment', commentsRouter)
 
 export default router

src/services/comments/create.ts

@@ -0,0 +1,35 @@
+import prisma from '../../clients/prisma-client'
+
+async function commentCreateService (postId: string, content: string, authorId: string): Promise<Object | Error> {
+  const post = await prisma.post.findFirst({
+    where: {
+      id: postId
+    }
+  })
+
+  if (post === null) {
+    return new Error('Post not found')
+  }
+
+  const user = await prisma.user.findFirst({
+    where: {
+      id: authorId
+    }
+  })
+
+  if (user === null) {
+    return new Error('User not found')
+  }
+
+  const comment = await prisma.comments.create({
+    data: {
+      content,
+      postId,
+      userId: authorId
+    }
+  })
+
+  return comment
+}
+
+export default commentCreateService

src/services/comments/delete.ts

@@ -0,0 +1,35 @@
+import prisma from '../../clients/prisma-client'
+
+async function commentDeleteService (commentId: string, authorId: string): Promise<Object | Error> {
+  const user = await prisma.user.findFirst({
+    where: {
+      id: authorId
+    }
+  })
+
+  if (user === null) {
+    return new Error('User not found')
+  }
+
+  const comment = await prisma.comments.findFirst({
+    where: {
+      id: commentId,
+      userId: user.id
+    }
+  })
+
+  if (comment === null) {
+    return new Error('Comment not found')
+  }
+
+  await prisma.comments.deleteMany({
+    where: {
+      id: comment.id,
+      userId: user.id
+    }
+  })
+
+  return {}
+}
+
+export default commentDeleteService

src/services/comments/fetch.ts

@@ -0,0 +1,31 @@
+import prisma from '../../clients/prisma-client'
+
+async function commentFetchService (commentId: string): Promise<Object | Error> {
+  const comment = await prisma.comments.findFirst({
+    where: {
+      id: commentId
+    },
+    select: {
+      id: true,
+      content: true,
+      createdAt: true,
+      updatedAt: true,
+      user: {
+        select: {
+          id: true,
+          displayName: true,
+          username: true,
+          profileImage: true
+        }
+      }
+    }
+  })
+
+  if (comment === null) {
+    return new Error('Comment not found')
+  }
+
+  return comment
+}
+
+export default commentFetchService

src/services/comments/update.ts

@@ -0,0 +1,40 @@
+import prisma from '../../clients/prisma-client'
+
+async function commentUpdateService (content: string, authorId: string, commentId: string): Promise<Object | Error> {
+  const comment = await prisma.comments.findFirst({
+    where: {
+      id: commentId,
+      userId: authorId
+    }
+  })
+
+  if (comment === null) {
+    return new Error('Comment does not exists')
+  }
+
+  const updatedComment = await prisma.comments.update({
+    where: {
+      id: comment.id,
+      userId: authorId
+    },
+    data: {
+      content
+    },
+    select: {
+      id: true,
+      content: true,
+      createdAt: true,
+      updatedAt: true,
+      user: {
+        select: {
+          displayName: true,
+          username: true,
+          profileImage: true
+        }
+      }
+    }
+  })
+  return updatedComment
+}
+
+export default commentUpdateService

src/services/index.ts

@@ -1,35 +1,54 @@
 import userAuthService from './users/auth'
 import userDeleteService from './users/delete'
 import userFollowService from './users/follow-user'
-import userInfoService from './users/get-info'
+import userFetchPostsService from './users/fetch-posts'
+import userFetchInfoService from './users/fetch-info'
 import userLikePostService from './users/like-post'
+import userSearchService from './users/search-user'
 import userSignupService from './users/signup'
 import userUpdateService from './users/update'
 import userUploadPictureService from './users/upload-picture'
 
 import postCreateService from './posts/create'
 import postDeleteService from './posts/delete'
-import postInfoService from './posts/get-info'
+import postFetchInfoService from './posts/fetch-info'
+import postFetchLikesService from './posts/fetch-likes'
 import postUpdateService from './posts/update'
 
+import commentCreateService from './comments/create'
+import commentDeleteService from './comments/delete'
+import commentFetchService from './comments/fetch'
+import commentUpdateService from './comments/update'
+
 // User services
 const user = {
   auth: userAuthService,
   delete: userDeleteService,
-  info: userInfoService,
+  fetchInfo: userFetchInfoService,
   signup: userSignupService,
   update: userUpdateService,
   uploadPicture: userUploadPictureService,
   likePost: userLikePostService,
-  follow: userFollowService
+  follow: userFollowService,
+  fetchPosts: userFetchPostsService,
+  searchUser: userSearchService
 }
 
 // Post services
 const post = {
   create: postCreateService,
   delete: postDeleteService,
-  info: postInfoService,
-  update: postUpdateService
+  info: postFetchInfoService,
+  update: postUpdateService,
+  fetchLikes: postFetchLikesService
 }
 
-export { user, post }
+// Comment services
+const comment = {
+  create: commentCreateService,
+  delete: commentDeleteService,
+  fetch: commentFetchService,
+  update: commentUpdateService
+}
+
+export { user, post, comment }

src/services/posts/fetch-info.ts

@@ -1,6 +1,6 @@
 import prisma from '../../clients/prisma-client'
 
-async function postInfoService (id: string): Promise<Object | Error> {
+async function postFetchInfoService (id: string): Promise<Object | Error> {
   const post = await prisma.post.findFirst({
     where: {
       id
@@ -10,13 +10,13 @@ async function postInfoService (id: string): Promise<Object | Error> {
       content: true,
       createdAt: true,
       updatedAt: true,
+      likes: true,
       author: {
         select: {
           displayName: true,
           username: true
         }
-      },
-      likes: true
+      }
     }
   })
 
@@ -27,4 +27,4 @@ async function postInfoService (id: string): Promise<Object | Error> {
   return post
 }
 
-export default postInfoService
+export default postFetchInfoService

src/services/posts/fetch-likes.ts

@@ -0,0 +1,26 @@
+import prisma from '../../clients/prisma-client'
+
+async function postFetchLikesService (id: string): Promise<Object | Error> {
+  const post = await prisma.like.findMany({
+    where: {
+      postId: id
+    },
+    select: {
+      user: {
+        select: {
+          displayName: true,
+          username: true,
+          profileImage: true
+        }
+      }
+    }
+  })
+
+  if (post === null) {
+    return new Error('Post not found')
+  }
+
+  return post
+}
+
+export default postFetchLikesService

src/services/users/delete.ts

@@ -11,12 +11,6 @@ async function userDeleteService (userId: string): Promise<Object | Error> {
     return new Error('Forbidden')
   }
 
-  await prisma.post.deleteMany({
-    where: {
-      authorId: user.id
-    }
-  })
-
   await prisma.user.deleteMany({
     where: {
       id: userId

src/services/users/fetch-info.ts

@@ -1,6 +1,6 @@
 import prisma from '../../clients/prisma-client'
 
-async function userInfoService (username: string): Promise<Object> {
+async function userFetchInfoService (username: string): Promise<Object | Error> {
   const user = await prisma.user.findFirst({
     where: {
       username
@@ -33,4 +33,4 @@ async function userInfoService (username: string): Promise<Object> {
   return user
 }
 
-export default userInfoService
+export default userFetchInfoService

src/services/users/fetch-posts.ts

@@ -0,0 +1,21 @@
+import prisma from '../../clients/prisma-client'
+
+async function userFetchPostsService (username: string): Promise<Object | Error> {
+  const posts = await prisma.post.findMany({
+    where: {
+      author: {
+        username
+      }
+    },
+    select: {
+      _count: true,
+      id: true,
+      content: true,
+      createdAt: true,
+      updatedAt: true
+    }
+  })
+  return posts
+}
+
+export default userFetchPostsService

src/services/users/search-user.ts

@@ -0,0 +1,20 @@
+import prisma from '../../clients/prisma-client'
+
+async function userSearchService (username: string): Promise<Object | Error> {
+  const users = await prisma.user.findMany({
+    where: {
+      username: {
+        contains: username
+      }
+    },
+    select: {
+      displayName: true,
+      username: true,
+      profileImage: true
+    },
+    take: 10
+  })
+  return users
+}
+
+export default userSearchService