feat(wip): initial boilerplate

src/users/users.service.ts

@@ -0,0 +1,84 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { CreateUserDto } from './dto/create-user.dto';
+import { UpdateUserDto } from './dto/update-user.dto';
+import { EntityNotFoundError, Repository } from 'typeorm';
+import { User } from './entities/user.entity';
+import { InjectRepository } from '@nestjs/typeorm';
+
+@Injectable()
+export class UsersService {
+  constructor(
+    @InjectRepository(User)
+    private usersRepository: Repository<User>,
+  ) {}
+
+  async create(createUserDto: CreateUserDto) {
+    const result = await this.usersRepository.insert(createUserDto);
+
+    return this.usersRepository.findOneOrFail(result.identifiers[0].id);
+  }
+
+  findAll() {
+    return this.usersRepository.findAndCount();
+  }
+
+  async findOne(id: string) {
+    try {
+      return await this.usersRepository.findOneOrFail(id);
+    } catch (e) {
+      if (e instanceof EntityNotFoundError) {
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.NOT_FOUND,
+            error: 'Data not found',
+          },
+          HttpStatus.NOT_FOUND,
+        );
+      } else {
+        throw e;
+      }
+    }
+  }
+
+  async update(id: string, updateUserDto: UpdateUserDto) {
+    try {
+      await this.usersRepository.findOneOrFail(id);
+    } catch (e) {
+      if (e instanceof EntityNotFoundError) {
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.NOT_FOUND,
+            error: 'Data not found',
+          },
+          HttpStatus.NOT_FOUND,
+        );
+      } else {
+        throw e;
+      }
+    }
+
+    const result = await this.usersRepository.update(id, updateUserDto);
+
+    return this.usersRepository.findOneOrFail(id);
+  }
+
+  async remove(id: string) {
+    try {
+      await this.usersRepository.findOneOrFail(id);
+    } catch (e) {
+      if (e instanceof EntityNotFoundError) {
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.NOT_FOUND,
+            error: 'Data not found',
+          },
+          HttpStatus.NOT_FOUND,
+        );
+      } else {
+        throw e;
+      }
+    }
+
+    await this.usersRepository.delete(id);
+  }
+}