/*
 * @author gs
 * @date 2020/07/29 10:22
 */

import { Body, Delete, Get, Param, Post, Put, Query } from '@nestjs/common';
import { CreateQuery } from 'mongoose';
import { BaseService } from './base.service';
import { BaseModel } from './base.model';

export abstract class BaseController<T extends BaseModel> {
  protected readonly service: BaseService<T>;

  protected constructor(service: BaseService<T>) {
    this.service = service;
  }

  @Post()
  public async create(@Body() doc: Partial<T>): Promise<T> {
    return this.service.create(doc as CreateQuery<T>);
  }

  @Delete(':id')
  public async deleteById(@Param('id') id: string): Promise<T> {
    return this.service.deleteById(id);
  }

  @Get(':id')
  public async findById(@Param('id') id: string): Promise<T> {
    return this.service.findById(id);
  }

  @Get()
  public async find(@Query('filter') filter: string): Promise<T[]> {
    const findFilter = filter ? JSON.parse(filter) : {};
    return this.service.find(findFilter);
  }

  @Put(':id')
  public async update(
    @Param('id') id: string,
    @Body() doc: Partial<T>
  ): Promise<T> {
    const existed = await this.service.findById(id);
    const updatedDoc = { ...(existed as any), ...(doc as any) } as any;
    return this.service.update(id, updatedDoc);
  }
}