SunjiApplet/utils/cartOrder.js

/**
 * 外卖计算餐盒费
 */
var getBoxFee = function(order) {
  var boxFee = 0.0;
  if (order) {
    for (var key in order.dishes) {
      var dish = order.dishes[key];
      if (!dish.isSuit) { // 非套餐模式计算餐盒费
        if (dish.boxPrice) {
          boxFee = parseFloat(boxFee + dish.boxPrice * dish.num);
        }
      } else { // 套餐模式计算餐盒费
        console.log(dish);
        var specs = dish.specs;
        for (var ckey in specs) {
          var cValues = specs[ckey];
          var suitDetails = cValues.suitDetails;
          for (var i = 0; i < suitDetails.length; i++) {
            var tDetail = suitDetails[i];
            if (tDetail.boxPrice) {
              boxFee = parseFloat(boxFee + dish.boxPrice * dish.num);
            }
          }
        }
      }
    }
  }
  return boxFee.toFixed(2);
}

/**
 * 外卖计算配送费
 */
var getDeliverFee = function(store) {
  var deliverFee = 0.0;
  if (store) {
    if (store.deliverFee) {
      deliverFee = store.deliverFee;
    }
  }
  return deliverFee.toFixed(2);
}

/**
 * 订单封装增加餐盒费＋配送费
 */
var getTotal = function(order) {
  var total = 0.0;
  var memberAmount = 0.0;
  for (var key in order.dishes) {
    var dish = order.dishes[key];
    total = total + dish.amount;
    console.log("订单总金额：", dish);
    memberAmount = memberAmount + dish.memberAmount;
  }
  console.log("订单总金额：", total);
  if (order.busMode == 1) { // 外带
    total = total + parseFloat(order.boxFee);
    memberAmount = memberAmount + parseFloat(order.boxFee);
  } else if (order.busMode == 2) { // 外卖
    total = total + parseFloat(order.boxFee) + parseFloat(order.distributionFee);
    memberAmount = memberAmount + parseFloat(order.boxFee) + parseFloat(order.distributionFee);
  }

  console.log("订单总金额：", total);
  order.totalCash = parseFloat(total).toFixed(2);
  order.totalMemberCash = parseFloat(memberAmount).toFixed(2);
}

/**
 * 规则
 */

var getDefaultOrderTicket = function() {
  var orderTicket = {};
  orderTicket.sumCount = 0;
  orderTicket.sumMoney = 0;
  orderTicket.storeName = "";
  orderTicket.storeId = "";
  orderTicket.storeNo = "";
  orderTicket.people = 1;
  orderTicket.ext2 = "";
  orderTicket.discount = 0;
  orderTicket.openId = wx.getStorageSync("openId");
  orderTicket.orderList = [];
  return orderTicket;
}

module.exports = {
  getBoxFee: getBoxFee,
  getDeliverFee: getDeliverFee,
  getTotal: getTotal,
  getDefaultOrderTicket: getDefaultOrderTicket
}