'use strict';

const Service = require('egg').Service;
const _ = require("lodash");
class ExportDataService extends Service {
  async index(params) {
    let { ctx } = this
    let modelLocal = ctx.model[params.model]
    let subType = params.subType
    let whereOther = params["$where"]
    let paramsLocal = _.omit(params, ["subType", "url", "model", "$where"])
    let paramsLocalInfoAgg = { ...paramsLocal, isExit: 1 }
    let msgObj = {
      exportS6: "成功导出S6订单",
      exportxiaoshou: "成功导出销售订单",
    }
    if (whereOther === "this.zuigaocaigoujia > this.xiaoshoujine") {
      paramsLocalInfoAgg["$expr"] = {
        "$gt": ["$zuigaocaigoujia", "$xiaoshoujine"]
      }
    } else if (whereOther === "this.pinmingxuanxiang.length>1") {
      paramsLocalInfoAgg["$expr"] = {
        "$gt": [{ "$size": "$pinmingxuanxiang" }, 1]
      }
    }
    let res = await modelLocal.aggregate([{
      $match: paramsLocalInfoAgg,
    }, { $sort: { update_at: -1 } }]).exec()
    let returnData = { hasError: false, msg: msgObj[subType], subType, list: res }
    return returnData
  }
}

module.exports = ExportDataService;