dqm-api-client/lib/services/CourtService.js

A Node.js client library for court booking API services including authentication, SMS verification, and court management

const ApiService = require('./ApiService');
const {
  findAvailableSlots,
  generateOrderTimestamp,
} = require('../utils/common');
const AppError = require('../errors/AppError');
const { ERROR_CODES } = require('../constants/errorCodes');

/**
 * 场地服务类 - 处理场地相关的业务逻辑
 * 继承自 ApiService 以直接使用 API 调用功能
 */
class CourtService extends ApiService {
  constructor(openid) {
    super(openid); // 调用父类构造函数
  }

  /**
   * 查询场地并获取可用时间段
   * @param {string} dateStr - 日期字符串，格式为 'MM-DD'
   * @param {Array<string>} courtNos - 场地编号数组，如 ['13', '14']
   * @param {number} startHour - 开始时间（小时）
   * @param {number} endHour - 结束时间（小时）
   * @returns {Object} 包含多个场地可用时间段的对象
   */
  async getCourt(dateStr, courtNos, startHour, endHour) {
    const timestamp = generateOrderTimestamp(dateStr);
    const courtData = await this.getCourtByDate(timestamp);

    // 新结构：数组，每个元素包含 courtNo 和 slots
    const result = courtNos.map(courtNo => {
      const fieldName = `羽毛球${courtNo}`;
      const slots = findAvailableSlots(
        courtData,
        fieldName,
        startHour,
        endHour
      );
      return {
        courtNo,
        slots,
      };
    });
    return {
      courts: result,
      orderDate: timestamp,
    };
  }

  /**
   * 创建订单（预定场地）
   * @param {string} dateStr - 日期字符串，格式为 'MM-DD'
   * @param {Array<string>} courts - 场地编号数组，如 ['13', '14']
   * @param {[number, number]} time - 时间区间，如 [9, 17]
   * @param {string} smscode - 短信验证码（可选）
   * @returns {Promise<Object>} 订单创建结果
   */
  async bookCourt(dateStr, courts, time, smscode = '') {
    const [startHour, endHour] = time;
    const { courts: availableSlots, orderDate } = await this.getCourt(
      dateStr,
      courts,
      startHour,
      endHour
    );
    const orderArr = availableSlots.map(court => court.slots).flat();
    if (orderArr.length === 0) {
      throw new AppError('No available slots', {
        name: 'NoAvailableSlotsError',
        code: ERROR_CODES.NO_AVAILABLE_SLOTS,
        data: {
          orderDate,
          courts,
          time: [startHour, endHour],
          orderArrLength: orderArr.length,
        },
        isOperational: true
      });
    }
    const response = await this.createOrder(orderDate, orderArr, smscode); // 直接调用父类方法
    return response;
  }
}

// 导出类和便捷函数
module.exports = CourtService;