zh_calculate.js
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var regeneratorRuntime = require('../../../utils/runtime.js');
module.exports = {
//主要的作用，就是把组合购多余的商品进行拆分，
//如果没有达成组合购的要求，所有的商品都打回原价购买
fir_set_arr: function (c_item, th) {
//组合活动，以及组合活动从表的商品
let zh_prom_goods = c_item.zh_prom_goods;
let goods = c_item.goods; //一个门店中所有的商品
let tfeel = 0,
cut_price = 0,
offline_price = 0,
offline_num = 0;
let txt_ite = c_item.need_list;
//多个活动要拿来循环一下
for (let i in zh_prom_goods) {
let title = ""; //提示语；
//其中的一个活动
let act_item = zh_prom_goods[i];
let act_goos = act_item.gdlist;
let act = act_item.act;
if(!act) continue;
let all_num = 0; //商品数量之和
let all_price0 = 0; //商品数量之和
let aprice = 0; //达到活动条件的购买价格
let need_to_buy = 0;
let all_zhqty = 0; //所有商品要求起购数之和
let no_in_arr = []; //剩余的未加入组合购
let out_arr = []; //超出活动限购的商品放入
let zhqty_bz = []; //超量
//-- 寻找一下 --
function get_num2(ite) {
for (let v2 in goods) {
var vh = goods[v2];
if (vh.goods_id == ite.goods_id) {
return vh;
}
}
return 0;
}
for (let j in act_goos) {
let item = act_goos[j];
let item_j = goods.find(function (ele) {
console.log('ele',ele);
return ele.goods_id == act_goos[j].goods_id;
})
//-- 如果有找到的话 --
if (item_j) {
act_goos[j].num = item_j.goods_num;
act_goos[j].goods_price = item_j.goods_price;
var cart_num = item.cart_num = item_j.goods_num;
var zh_b_num = item_j.promgoodsbuynum;
if (item.buyqty > 0) {
var key = item.goods_id + "" + act.id;
var cbuy = item.buyqty - zh_b_num;
if (th.data.in_zhact_gdmap[key]) {
var cbuy = item.buyqty - zh_b_num - th.data.in_zhact_gdmap[key];
}
//当可买的数量为0
if (cbuy <= 0) {
item.num = 0;
out_arr.push({
price: item.goods_price,
offline_price: item.offline_price,
goods_id: item.goods_id,
num: cart_num
})
} else {
if (cbuy >= cart_num) item.num = cart_num;
else {
item.num = cbuy;
out_arr.push({
price: item.goods_price,
offline_price: item.offline_price,
goods_id: item.goods_id,
num: cart_num - cbuy
})
}
}
}
all_num += item.num;
//当有起购数的控制的时候
if (item.zhqty) {
zhqty_bz.push(item);
all_zhqty += item.zhqty;
if (item.num < item.zhqty) {
need_to_buy += item.zhqty - item.num;
}
if (item.num > item.zhqty) {
for (let i = 0; i < item.num - item.zhqty; i++) {
no_in_arr.push({
price: item.goods_price,
goods_id: item.goods_id,
offline_price: item_j.offline_price
})
}
}
} else {
for (let j = 0; j < item.num; j++) {
no_in_arr.push({
price: item.goods_price,
goods_id: item.goods_id,
offline_price: item_j.offline_price
})
}
}
} else {
if (item.zhqty) {
title = "必买商品未加购，下单立享【" + act.zhprice + "元任选" + act.zhbuyqty + "件】";
need_to_buy += item.zhqty;
}
}
}
//当满足组合的要求：总数要满足，起购数要满足
if (act && all_num >= act.zhbuyqty && !need_to_buy) {
//商品的列表
for (var u in act_goos) {
var ite = act_goos[u];
if (ite.buyqty > 0 && ite.num > 0) {
var key = ite.goods_id + "" + act.id;
if (th.data.in_zhact_gdmap[key]) {
th.data.in_zhact_gdmap[key] += ite.num;
} else {
th.data.in_zhact_gdmap[key] = ite.num;
}
}
}
function sortData(a, b) {
return a.price - b.price
}
if (no_in_arr.length > 0) no_in_arr.sort(sortData);
aprice = act.zhprice;
if (act.zhbuyqty > all_zhqty) {
for (let n = 0; n < act.zhbuyqty - all_zhqty; n++) {
no_in_arr.pop();
}
}
//看一下剩下的数量有没有满足组合购的要求，以及要不要倍增
if (act.is_bz && no_in_arr.length >= act.zhbuyqty) {
var bz_num_ok=0; //超量倍增是否满足
var zhqty_len=0; //几个超量倍增
let be = parseInt(no_in_arr.length / act.zhbuyqty);//看一下是几倍
if (act.is_bzyh && zhqty_bz.length > 0) {
if(zhqty_bz.length>1){
zhqty_len=1;
let min_bz_num= Math.min.apply(Math, zhqty_bz.map(function(o) {return o['num']}));
let new_arr=zhqty_bz.filter(ii=>{
return ii['num']==min_bz_num
})
// var vv=new_arr[0];
var bz_num=be*new_arr[0].zhqty; //超量倍增
var num=min_bz_num-new_arr[0].zhqty; //购买数量减去超量
bz_num_ok=bz_num-num;
if(bz_num_ok <= 0){
//超量倍增满足,超量倍增就等于倍数
bz_num_ok=bz_num;
}else{
//超量倍增不满足,倍数要减去多出得
be=be-bz_num_ok;
bz_num_ok=num;
}
for(let i=0;i<zhqty_bz.length;i++){
var vv=zhqty_bz[i];
for(let j=0;j<bz_num_ok;j++){
let index= no_in_arr.findIndex(i=>{
return vv.goods_id===i.goods_id
})
no_in_arr.splice(index,1)
}
}
aprice += be * aprice;
}else{
var vv=zhqty_bz[0];
var bz_num=be*vv.zhqty; //超量倍增
var num=vv['num']-vv.zhqty; //购买数量减去超量
bz_num_ok=bz_num-num;
if(bz_num_ok <= 0){
//超量倍增满足,超量倍增就等于倍数
bz_num_ok=bz_num;
}else{
//超量倍增不满足,倍数要减去多出得
be=be-bz_num_ok;
bz_num_ok=num;
}
for(let j=0;j<bz_num_ok;j++){
let index= no_in_arr.findIndex(i=>{
return vv.goods_id===i.goods_id
})
no_in_arr.splice(index,1)
}
}
}
if (!zhqty_len) {
aprice += be * act.zhprice;
let pop_num=be * act.zhbuyqty - bz_num_ok;
for (var m = 0; m < pop_num; m++) {
no_in_arr.pop();
}
}
}
let goods_map = {};
//算一下剩余的商品
if (no_in_arr.length) {
for (let ii in no_in_arr) {
let item = no_in_arr[ii];
if (item.offline_price) {
offline_price += item.price - item.offline_price;
offline_num += 1;
}
if (goods_map[item.goods_id]) {
var num = goods_map[item.goods_id];
goods_map[item.goods_id] = ++num;
} else {
goods_map[item.goods_id] = 1;
}
}
}
//超量的部分也要计算一下
if (out_arr.length) {
for (var m in out_arr) {
var item = out_arr[m];
if (item.offline_price) {
offline_price += (item.price - item.offline_price) * item.num;
offline_num += item.num;
}
if (goods_map[item.goods_id]) {
var num = goods_map[item.goods_id];
num += item.num
goods_map[item.goods_id] = num;
} else {
goods_map[item.goods_id] = item.num;
}
}
}
if (Object.keys(goods_map).length) {
//这里就开始拆分提交订单时的列表
for (let j in goods_map) {
//map中存的就是商品的数量
let num = goods_map[j];
//找到相应的商品
let idx = goods.findIndex(function (ele) {
return ele.goods_id == j;
})
goods[idx].goods_num -= num;
let new_g = JSON.parse(JSON.stringify(goods[idx]));
new_g.goods_num = num;
new_g.prom_type = 0;
new_g.prom_id = 0;
goods.push(new_g);
//如果商品的数量已经为空了
if (goods[idx].goods_num <= 0) {
goods.splice(idx, 1);
}
}
}
//-- 只统计是参与活动的商品 --
for (var ij in goods) {
var iter = goods[ij];
if (iter.prom_type != 7 || iter.prom_id != act.id) {
continue;
}
all_price0 += iter.goods_num * iter.goods_price;
}
//-- 活动的条件已经满足 --
c_item.zh_prom_goods[act.id].is_has_zh = 1;
c_item.is_has_zh = 1;
c_item.zh_prom_goods[act.id].actual_price = aprice;
c_item.zh_prom_goods[act.id].cut_price = all_price0 - aprice;
//-- 设置还需要购买多少件，享受活动，前段显示 --
let need_to = c_item.need_list;
let index = this.find_need_to(need_to, act);
if (index > -1) {
need_to.splice(index, 1);
txt_ite = need_to
}
} else {
for (let ii in goods) {
let item = goods[ii];
if (item.prom_type != 7) continue;
if (item.prom_id != act.id) continue;
if (item.offline_price) {
offline_price += item.goods_price - item.offline_price;
offline_num += 1;
}
item.prom_type = 0;
item.prom_id = 0;
}
if (act.zhbuyqty - all_num > need_to_buy) {
need_to_buy = act.zhbuyqty - all_num;
}
//-- 设置还需要购买多少件享受活动，前端显示 --
let need_to = c_item.need_list;
let index = this.find_need_to(need_to, act);
if (title == '') title = "再买" + need_to_buy + "件，下单立享【" + act.zhprice + "元任选" + act.zhbuyqty + "件】";
if (index != -1) {
need_to[index].title = title;
} else {
if (!need_to) need_to = [];
let it = {
id: act.id,
pickup_id: c_item.pickup_id,
title: title
};
need_to.push(it);
}
txt_ite = need_to;
}
tfeel += aprice;
cut_price += all_price0 - aprice;;
}
c_item.zh_all_price = tfeel;
c_item.zh_cut_price = cut_price;
if (c_item.is_offline == 1) {
c_item.offline_price += offline_price;
c_item.offline_num += offline_num;
} else {
c_item.is_offline == 1;
c_item.offline_price = offline_price;
c_item.offline_num = offline_num;
}
},
//筛选组合购，纯粹的数组按活动id分组
find_split: function (arr) {
//过滤只有团购的商品
let oarr = arr.goods.filter(function (ele) {
return ele.prom_type == 7
})
if (!oarr || oarr.length == 0) return null;
//看一下有多少个不同的团购
let map = {},
dest = [];
for (let i = 0; i < oarr.length; i++) {
let ai = oarr[i];
let index = map[ai.prom_id]
if (!index) {
dest.push({
prom_id: ai.prom_id,
act: ai.act,
data: [ai]
});
map[ai.prom_id] = dest.length; //存储下标
} else {
let dj = dest[index - 1];
dj.data.push(ai);
}
}
return dest;
},
find_need_to: function (list, iter) {
if (!list || list.length <= 0) return -1;
for (var i in list) {
var item = list[i];
if (item.id == iter.id) {
return i;
}
}
return -1;
},
//-- 平摊组合购的价格 --
calc_zh_split_price: async function (c_arr, th) {
//-- 循环处理 --
for (var k in c_arr) {
var cart_item = c_arr[k]; //就是每一单的意思
var ord_goods = c_arr[k].goods; //就是每一单的从表的意思
var zh_prom_goods = cart_item.zh_prom_goods; //一单中所有的组合购的集合
var item_map = {};
for (let i in zh_prom_goods) {
let item = zh_prom_goods[i];
let prom_id = i;
//如果这个活动还没有达到要求，继续下一个计算
if (!item.is_has_zh) continue;
//过滤出相应组合购活动的商品
let glist = ord_goods.filter(function (ele) {
return ele.prom_type == 7 && ele.prom_id == i;
})
var all_good_price = 0;
var post_gd = [];
for (let j in glist) {
let item = glist[j];
all_good_price += item.goods_price * item.goods_num;
var gitem = {
goods_id: item.goods_id,
goods_num: item.goods_num,
goods_price: item.goods_price
}
post_gd.push(gitem);
}
//要进行优惠的计算
if (all_good_price - item.actual_price) {
if (cart_item.prom_pt_json) {
cart_item.prom_pt_json.push({
"zhprom_id": prom_id,
"dis": (all_good_price - item.actual_price).toFixed(2),
"ispt": 0
})
} else {
cart_item.prom_pt_json = [{
"zhprom_id": prom_id,
"dis": (all_good_price - item.actual_price).toFixed(2),
"ispt": 0
}];
}
}
//-- 如果系统要平摊到单品 --
var pt_data = {
'prom_id': prom_id,
'dis': parseFloat(all_good_price - item.actual_price).toFixed(2),
'goods': post_gd
}
var pt_res = null;
await getApp().request.promisePost("/api/weshop/order/getGoodsSplit", {
is_json: 1,
data: pt_data
}).then(res => {
if (res.data.code == 0) {
pt_res = res.data.data;
}
})
if (pt_res) {
for (var io in glist) {
var goods_id = glist[io].goods_id;
item_map[goods_id] = {};
//平摊赋值
item_map[goods_id].account_fir = th.arr_get_goods(goods_id, pt_res).fisrt_account;
item_map[goods_id].account_yu_fir = th.arr_get_goods(goods_id, pt_res).fisrt_account_yu;
if (!th.data.ispt_goods) {
item_map[goods_id].account = item_map[goods_id].account_fir;
item_map[goods_id].account_yu = item_map[goods_id].account_yu_fir;
}
}
}
}
//--------循环计算商品是不是包邮，是不是使用优惠券,此时循环是商品从表-----------
for (var jj = 0; jj < ord_goods.length; jj++) {
if (ord_goods[jj].is_gift) continue;
if (ord_goods[jj].prom_type == 7 && item_map[ord_goods[jj].goods_id]) {
ord_goods[jj].account_fir = item_map[ord_goods[jj].goods_id].account_fir;
ord_goods[jj].account_yu_fir = item_map[ord_goods[jj].goods_id].account_yu_fir;
ord_goods[jj].account = item_map[ord_goods[jj].goods_id].account;
ord_goods[jj].account_yu = item_map[ord_goods[jj].goods_id].account_yu;
}
}
}
}
}