Added user controller

src/user/user.controller.ts

@@ -0,0 +1,56 @@
+import {Controller, Get, Post, Put, Body, ValidationPipe, UnprocessableEntityException, Param, NotFoundException} from '@nestjs/common';
+import { UserEntity } from 'entities';
+import { Pagination } from 'paginate';
+import { UserService } from './user.service';
+import { UserModel } from 'models';
+import { UpdateResult } from 'typeorm';
+
+@Controller('users')
+export class UserController {
+    constructor(private readonly userService: UserService) {}
+
+    @Get()
+    async index(): Promise<Pagination<UserEntity>> {
+        //TODO make PaginationOptionsInterface an object so it can be defaulted 
+        return await this.userService.paginate();
+    }
+
+    @Post()
+    async store(@Body(new ValidationPipe()) user: UserModel): Promise<UserEntity> {
+        //TODO check duplication
+        const emailExists = this.userService.findByEmail(user.email);
+
+        if (emailExists) {
+            throw new UnprocessableEntityException;
+        }
+
+        return await this.userService.create(user);
+    }
+
+    @Put('/{id}')
+    async update(@Param('id') id: number, @Body(new ValidationPipe()) user: UserModel): Promise<UpdateResult> {
+        const userEntity = await this.userService.findById(id);
+
+        if (!userEntity) {
+            throw new NotFoundException;
+        }
+
+        return await this.userService.update({
+            ...userEntity,
+            ...user,
+        });
+    }
+
+    @Get('/{id}')
+    async show(@Param('id') id :number): Promise<UserEntity> {
+        const user = this.userService.findById(id);
+
+        if (!user) {
+            throw new NotFoundException;
+        }
+
+        return user;
+    }
+
+
+}