feat: added user role

src/auth/auth.module.ts

@@ -9,10 +9,11 @@ import { OTP } from './entities/otp.entity';
 import { OtpRepository } from './repositories/otp.repository';
 import { UsersModule } from 'src/users/users.module';
 import { ConfigService } from '@nestjs/config';
+import { UserRole } from 'src/users/entities/user-role.entity';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([User, OTP]),
+    TypeOrmModule.forFeature([OTP]),
     JwtModule.register({}),
     UtilsModule,
     UsersModule,

src/common/enums/messages.enum.ts

@@ -10,4 +10,8 @@ export enum OTPMessages {
     OTP_EXPIRED = 'این کد منسوخ شده است لطفا دوباره درخواست بدهید!',
     OTP_TOO_MANY_TRIES = 'تعداد تلاش ها بیش از حد مجاز است لطفا دوباره درخواست کد بدهید!',
     OTP_INVALID = 'کد وارد شده نا معتبر است!'
+}
+
+export enum UserRoleMessages {
+    USER_ROLE_ALREADY_EXISTS = 'نقش مورد نظر برای کاربر مد نظر وجود دارد!'
 }

src/users/DTO/create-user-role.dto.ts

@@ -0,0 +1,12 @@
+import { ApiProperty } from "@nestjs/swagger";
+import { IsEnum } from "class-validator";
+import { RoleType } from "../enums/user-role.enum";
+
+export class CreateUserRoleDto {
+    @ApiProperty({
+        enum: RoleType,
+        example: RoleType.NORMAL_USER
+    })
+    @IsEnum(RoleType)
+    role: RoleType;
+}

src/users/entities/user-role.entity.ts

@@ -0,0 +1,22 @@
+import { BaseEntity } from "src/common/entities/base.entity";
+import { Column, Entity, JoinColumn, ManyToOne, Unique } from "typeorm";
+import { RoleType } from "../enums/user-role.enum";
+import { User } from "./user.entity";
+
+@Entity('user_roles')
+@Unique(['user', 'role'])
+export class UserRole extends BaseEntity {
+    @Column({
+        type: 'enum',
+        enum: RoleType,
+        default: RoleType.NORMAL_USER
+    })
+    role: RoleType;
+
+    @ManyToOne(() => User, (user) => user.roles, {
+        nullable: false,
+        onDelete: 'CASCADE'
+    })
+    @JoinColumn({ name: 'userId' })
+    user: User;
+}

src/users/entities/user.entity.ts

@@ -1,31 +1,36 @@
-import { Entity, Column } from "typeorm";
-import { BaseEntity } from "src/common/entities/base.entity";
-import { Exclude } from "class-transformer";
+import { Entity, Column, ManyToMany, JoinTable, OneToMany } from 'typeorm';
+import { BaseEntity } from 'src/common/entities/base.entity';
+import { Exclude } from 'class-transformer';
+import { UserRole } from './user-role.entity';
 
 @Entity('users')
 export class User extends BaseEntity {
-    @Column({type: 'varchar', length: 20})
-    firstName: string;
+  @Column({ type: 'varchar', length: 20 })
+  firstName: string;
 
-    @Column({type: 'varchar', length: 20})
-    lastName: string;
+  @Column({ type: 'varchar', length: 20 })
+  lastName: string;
 
-    @Column({unique: true, type: 'varchar', length: 100})
-    email: string;
+  @Column({ unique: true, type: 'varchar', length: 100 })
+  email: string;
 
-    @Column({unique: true, type: 'varchar', length: 11})
-    phone: string;
+  @Column({ unique: true, type: 'varchar', length: 11 })
+  phone: string;
 
-    @Column({
-    })
-    @Exclude()
-    password: string;
+  @Column({})
+  @Exclude()
+  password: string;
 
-    @Column({
-        name: 'refresh_token',
-        nullable: true,
-        select: false
-    })
-    @Exclude()
-    refreshToken: string;
-}
+  @Column({
+    name: 'refresh_token',
+    nullable: true,
+    select: false,
+  })
+  @Exclude()
+  refreshToken: string;
+
+  @OneToMany(() => UserRole, (userRole) => userRole.user, {
+    cascade: true
+  })
+  roles: UserRole[];
+}

src/users/enums/user-role.enum.ts

@@ -0,0 +1,5 @@
+export enum RoleType {
+    NORMAL_USER = 'normal_user',
+    ADMIN = 'admin',
+    EXPERT = 'expert'
+}

src/users/repositories/user-role.repository.ts

@@ -0,0 +1,17 @@
+import { Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Injectable } from '@nestjs/common';
+import { UserRole } from '../entities/user-role.entity';
+
+@Injectable()
+export class UserRoleRepository extends Repository<UserRole> {
+  constructor(
+    @InjectRepository(UserRole) userRoleRepository: Repository<UserRole>,
+  ) {
+    super(
+      userRoleRepository.target,
+      userRoleRepository.manager,
+      userRoleRepository.queryRunner,
+    );
+  }
+}

src/users/repositories/user.repository.ts

@@ -1,5 +1,5 @@
 import { Repository } from "typeorm";
-import { User } from "./entities/user.entity";
+import { User } from "../entities/user.entity";
 import { InjectRepository } from "@nestjs/typeorm";
 import { Injectable } from "@nestjs/common";
 

src/users/users.controller.ts

@@ -1,8 +1,9 @@
-import { Body, Controller, Get, Post } from '@nestjs/common';
+import { Body, Controller, Get, Param, Post } from '@nestjs/common';
 import { ApiOperation, ApiResponse } from '@nestjs/swagger';
 import { CreateUserDto } from './DTO/create-user.dto';
 import { User } from './entities/user.entity';
 import { UsersService } from './users.service';
+import { CreateUserRoleDto } from './DTO/create-user-role.dto';
 
 @Controller('users')
 export class UsersController {
@@ -18,4 +19,12 @@ export class UsersController {
     signupUser(@Body() body: CreateUserDto): Promise<User> {
         return this.userService.createUser(body);
     }
+
+    @Post(':userId/roles')
+    createRole(
+        @Param('userId') userId: string,
+        @Body() userRoleDto: CreateUserRoleDto
+    ) {
+        return this.userService.createUserRole(userId, userRoleDto);
+    }
 }

src/users/users.module.ts

@@ -1,16 +1,16 @@
 import { Module } from '@nestjs/common';
 import { UsersController } from './users.controller';
 import { UsersService } from './users.service';
-import { UserRepository } from './user.repository';
+import { UserRepository } from './repositories/user.repository';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { User } from './entities/user.entity';
+import { UserRoleRepository } from './repositories/user-role.repository';
+import { UserRole } from './entities/user-role.entity';
 
 @Module({
-  imports: [
-    TypeOrmModule.forFeature([User])
-  ],
+  imports: [TypeOrmModule.forFeature([User, UserRole])],
   controllers: [UsersController],
-  providers: [UsersService, UserRepository],
-  exports: [UsersService]
+  providers: [UsersService, UserRepository, UserRoleRepository],
+  exports: [UsersService],
 })
 export class UsersModule {}

src/users/users.service.ts

@@ -3,15 +3,21 @@ import {
   Injectable,
   NotFoundException,
 } from '@nestjs/common';
-import { UserRepository } from './user.repository';
+import { UserRepository } from './repositories/user.repository';
 import { User } from './entities/user.entity';
 import * as bcrypt from 'bcrypt';
 import { CreateUserDto } from './DTO/create-user.dto';
-import { UserMessages } from 'src/common/enums/messages.enum';
+import { UserMessages, UserRoleMessages } from 'src/common/enums/messages.enum';
+import { UserRole } from './entities/user-role.entity';
+import { CreateUserRoleDto } from './DTO/create-user-role.dto';
+import { UserRoleRepository } from './repositories/user-role.repository';
 
 @Injectable()
 export class UsersService {
-  constructor(private readonly userRepository: UserRepository) {}
+  constructor(
+    private readonly userRepository: UserRepository,
+    private readonly userRoleRepository: UserRoleRepository,
+  ) {}
 
   async findOneOrFail(id: string): Promise<User> {
     const user = await this.userRepository.findOne({ where: { id } });
@@ -59,4 +65,32 @@ export class UsersService {
 
     return user;
   }
+
+  async createUserRole(
+    userId: string,
+    userRoleDto: CreateUserRoleDto,
+  ): Promise<UserRole> {
+    const existingRole = await this.userRoleRepository.findOne({
+      where: {
+        user: {
+          id: userId,
+        },
+        role: userRoleDto.role,
+      },
+    });
+
+    if (existingRole)
+      throw new BadRequestException(UserRoleMessages.USER_ROLE_ALREADY_EXISTS);
+
+    const userRole = this.userRoleRepository.create({
+      user: {
+        id: userId,
+      },
+      role: userRoleDto.role,
+    });
+
+    await this.userRoleRepository.save(userRole);
+
+    return userRole;
+  }
 }