feat：nickname系统

src/helpers/entity-fill.ts

@@ -5,6 +5,7 @@ export function fillIUser(single: any) {
         id: single.id,
         username: single.username,
         realName: single.realName,
+        nickname: single.nickname,
         avatar: single.avatar,
         role: single.role
     }

src/models/post-model.ts

@@ -13,7 +13,7 @@ export class PostModel {
     }
 
     async findPostsByStatus(status: TPostStatus, page: number) {
-        return db.query('select p.*,u.realName,u.avatar from posts p left join users u on u.id=p.userId where p.status=? order by p.time desc '
+        return db.query('select p.*,u.realName,u.nickname,u.username,u.avatar from posts p left join users u on u.id=p.userId where p.status=? order by p.time desc '
             + pageToLimitSqlSegment(page), [status])
     }
 

src/models/user-model.ts

@@ -32,4 +32,16 @@ export class UserModel {
     async updateAvatar(id: number, avatar: string) {
         await db.query('update users set avatar=? where id=?', [avatar, id])
     }
+
+    async updateNickname(id: number, nickname: string) {
+        await db.query('update users set nickname=? where id=?', [nickname, id])
+    }
+
+    async findUserByNickname(nickname: string) {
+        let user = await db.query('select * from users where nickname=?', [nickname])
+        if (!user.length) {
+            return null
+        }
+        return fillIUser(user[0])
+    }
 }

src/routers/user-router.ts

@@ -31,5 +31,17 @@ userRouter.post('/uploadAvatar',
         res.json(await userService.uploadAvatar(req.user as JWTUserPayload, req.files.image as UploadedFile))
     })
 )
+userRouter.post('/updateNickname',
+    body('nickname').notEmpty().withMessage('请输入昵称').isLength({max: 31}).custom((input, meta) => {
+        if (!/^[\u4e00-\u9fa5_a-zA-Z0-9]+$/.test(input)) {
+            throw new Error('昵称只能包括中文，英文字母和数字及「_」')
+        }
+        return true
+    }),
+    expressAsyncHandler(async (req: express.Request, res: express.Response) => {
+        if (hasValidationErrors(req, res)) return
+        res.json(await userService.updateNickname(req.user as JWTUserPayload, req.body.nickname))
+    })
+)
 
 export {userRouter}

src/services/post-service.ts

@@ -22,6 +22,20 @@ export class PostService {
 
     async listPublished(page: number) {
         let posts = await this.postModel.findPostsByStatus(2, page)
+        posts = posts.map((single: any) => {
+            if (!single.nickname) {
+                let stars = ''
+                for (let i = 0; i < single.username.length - 6; i++) {
+                    stars += '*'
+                }
+                single.nickname = single.username.substring(0, 4)
+                    + stars
+                    + single.username.substring(single.username.length - 2, single.username.length)
+            }
+            delete single.realName
+            delete single.username
+            return single
+        })
         return resultJson.success(posts)
     }
 }

src/services/user-service.ts

@@ -72,4 +72,13 @@ export class UserService {
         await this.userModel.updateAvatar(jwtUserPayload.id, avatar)
         return resultJson.success(avatar)
     }
+
+    async updateNickname(jwtUserPayload: JWTUserPayload, nickname: string) {
+        let user = await this.userModel.findUserByNickname(nickname)
+        if (user && user.id !== jwtUserPayload.id) {
+            return resultJson.error('该昵称已被使用')
+        }
+        await this.userModel.updateNickname(jwtUserPayload.id, nickname)
+        return resultJson.success(nickname)
+    }
 }

src/types.ts

@@ -9,6 +9,7 @@ export interface IUser {
     id?: number,
     username: string,
     realName: string,
+    nickname?: string,
     avatar?: string,
     role: TUserRole
 }