组合购下拉刷新的问题

yvan.ni
1 parent 8c99a4ed
Showing 1 changed file with 102 additions and 10 deletions
packageB/pages/zuhegou/index/index.js
@@ -156,7 +156,6 @@ Page({
                                 th.setData({error:'活动未开启'});
                                 return false;
                             }
-
                             if(ut.gettimestamp()<e.data.data.start_time){
                                 th.setData({error:'活动还未开始'});
                                 return false;
@@ -356,12 +355,25 @@ Page({
                     th.data.page++;
                     var list = th.data.list;
                     if(!list) list=[];
-                    for (var i in res.data.data.pageData) {
-                        list.push(res.data.data.pageData[i]);
-                    }
-                    th.setData({list: list});
-                    if (res.data.data.total <= 10) {
-                        th.setData({no_more: 1});
+
+                    //当是下拉刷新的时候
+                    if(th.data.page>1 && th.data.cart_list){
+                        //下拉之后也要重新计算一下金额
+                        th.calc_more(res.data.data.pageData,function (list1) {
+                            for (var i in list1) {
+                                list.push(list1[i]);
+                            }
+                            th.setData({list: list});
+                            th.re_sum_price();
+                        })
+                    }else{
+                        for (var i in res.data.data.pageData) {
+                            list.push(res.data.data.pageData[i]);
+                        }
+                        th.setData({list: list});
+                        if (res.data.data.total <= 10) {
+                            th.setData({no_more: 1});
+                        }
                     }
                 } else {
                     th.setData({no_more: 1});
@@ -1166,6 +1178,15 @@ Page({
                 var e = res;
                 if (e.data.code == 0 && e.data.data && e.data.data.pageData && e.data.data.pageData.length > 0) {
+                    var his_cate_num=0;
+                    for(let i in e.data.data.pageData){
+                        let item=e.data.data.pageData[i];
+                        if(item.category_id>0){
+                            his_cate_num=1;break;
+                        }
+                    }
+                    e.his_cate_num=his_cate_num;
+
                     //如果有开启距离的功能，没有设置默认门店，要用最近的门店作为默认门店
                     if (dd.lat && (!th.data.def_pick_store || JSON.stringify(th.data.def_pick_store) == '{}') && th.data.bconfig && th.data.bconfig.is_sort_storage) {
                         th.setData({
@@ -1190,8 +1211,6 @@ Page({
                     th.setData({all_pick_list: e.data.data.pageData});
                     th.deal_pickup(e);
-
-
                 }
             })
         })
@@ -1201,7 +1220,7 @@ Page({
         var th = this;
         wx.hideLoading();
         //单总量超出5个的时候
-        if (e.data.data.total > 5) {
+        if (e.data.data.total > 10 && e.his_cate_num) {
             getApp().request.get("/api/weshop/storagecategory/page", {
                 data: {
                     store_id: os.stoid,
@@ -1845,6 +1864,8 @@ Page({
                 if (e.data.code == 0 && e.data.data && e.data.data.pageData && e.data.data.pageData.length) {
                     var map={};
                     var mlist=e.data.data.pageData;
+                    th.data.cart_list=mlist;
+
                     for(let i in mlist){
                     	let item=mlist[i];
                     	if(item.prom_type!=7) continue;
@@ -1911,6 +1932,77 @@ Page({
                 }
               }
          });
+    },
+
+    //滚动加载跟多的时候的计算
+    async calc_more(list,func){
+        var th=this;
+        var map={};
+        var mlist=this.data.cart_list;
+        for(let i in mlist){
+            let item=mlist[i];
+            if(item.prom_type!=7) continue;
+            if(item.prom_id!=th.data.act.id) continue;
+            map[item.goods_id]=item;
+        }
+
+        for(let j in list){
+            let item_j=list[j];
+            item_j.current_price=item_j.shop_price;
+
+            var card_price=0;
+            //如果会员有等级价
+            if (th.data.card_field) {
+                card_price = item_j[th.data.card_field];
+                if (card_price > 0) {
+                    item_j.current_price=card_price;
+                }
+            }
+
+
+            if(map[item_j.goods_id]){
+                var cart_num=map[item_j.goods_id].goods_num;
+                item_j.num=cart_num;
+                item_j.cart_num=cart_num;
+                item_j.cart_id=map[item_j.goods_id].id;
+                if(item_j.buyqty>0){
+                    var g_buy_num=0;
+                    var promgoodsbuynum=0;
+                    //----获取商品购买数----
+                    await getApp().request.promiseGet("/api/weshop/ordergoods/getUserBuyGoodsNum", {
+                        data: {
+                            store_id: os.stoid,
+                            user_id: user_id,
+                            goods_id: item_j.goods_id,
+                            prom_type: 7,
+                            prom_id: th.data.act.id
+                        },
+                    }).then(res2=>{
+                        if (res2.data.code == 0) {
+                            var buy_num_data = res2.data.data;
+                            if (buy_num_data.promgoodsbuynum) promgoodsbuynum = buy_num_data.promgoodsbuynum;
+                            g_buy_num = buy_num_data.goodsbuynum;
+                        }
+                    })
+
+                    if(item_j.viplimited>0){
+                        var cby=item_j.viplimited-g_buy_num;
+                        if(cby<=0) continue;//不能买就continue下一个
+                        item_j.num=cby>item_j.num?item_j.num:cby;
+                    }
+                    if(item_j.buyqty>0){
+                        var cby=item_j.buyqty-promgoodsbuynum;
+                        if(cby<=0) continue;//不能买就continue下一个
+                        item_j.num=cby>item_j.num?item_j.num:cby;
+                    }
+                }
+
+                item_j.haveAdded=1;
+                item_j.showNum=true;
+            }
+        }
+        if(func) func(list)
+
     }
 })
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