'use strict';


const assert = require('assert');
const _ = require('lodash');
const { ObjectId } = require('mongoose').Types;
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;

class TaskService extends CrudService {
  constructor(ctx) {
    super(ctx, 'task');
    this.model = this.ctx.model.Task;
  }

  // 插入作业
  async create(data) {
    const { code, name, title } = data;
    assert(code, '科目代码不能为空');
    assert(name, '科目名称不能为空');
    assert(title, '标题不能为空');
    // 插入数据时默认状态为1
    const newdata = { ...data, status: '1' };
    const entity = await this.model.create(newdata);
    return await this.fetch({ id: entity.id });
  }

  // 根据id删除
  async delete({ id }) {
    await this.model.findByIdAndDelete(id);
    return 'deleted';
  }

  // 根据id更新作业信息
  async upadate({ id }, data) {
    const task = await this.model.findById(id);
    if (task.code) {
      task.code = data.code;
    }
    if (task.name) {
      task.name = data.name;
    }
    if (task.title) {
      task.title = data.title;
    }
    if (task.status) {
      task.status = data.status;
    }
    task.question = data.question;
    return await task.save();
  }

  // 查询
  async query({ skip, limit, ...num }) {
    return await this.model.find(num).skip(Number(skip)).limit(Number(limit));
  }

  // 查询详情
  async show({ id }) {
    return await this.model.findById(id);
  }

}

module.exports = TaskService;