Calculation/app/service/measure.js

'use strict';

/**
 * 中间计量数据模型
 *
 * @author Mai
 * @date 2018/6/27
 * @version
 */

module.exports = app => {

    class Measure extends app.BaseService {

        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'measure';
        }

        /**
         * 新增中间计量
         * @param code - 编号
         * @param date - 年月
         * @param stage - 所属期
         * @returns {Promise<void>}
         */
        async add(tenderId, code, date, stage) {
            const count = await this.ctx.service.measure.count({
                tender_id: tenderId, code: code,
            });
            if (count === 0) {
                const newData = {
                    tender_id: tenderId,
                    mid: this.uuid.v4(),
                    code: code,
                    in_time: new Date(),
                };
                const result = await this.ctx.service.measure.db.insert(this.tableName, newData);
                if (result.affectedRow === 0) {
                    throw '新增中间计量失败';
                }
            } else {
                throw '您输入的编号已存在';
            }

        }
    }

    return Measure;
};