拼单尾款优惠券使用优化

前端开发-罗建龙
1 parent 8b7a41d5
Showing 1 changed file with 340 additions and 15 deletions
packageE/pages/cart/cart_wk/cart_wk.js
@@ -68,7 +68,11 @@ Page({
     isget_by_quan: {},       //是否调用了接口获取包邮券
     is_by:{},
     get_by_quan_list: null,       //立即购买的
-
+    first_entry: 0,//进入次数，如果是第一次进入，进行判断是否进行优惠券是否直接使用
+    def_coupon1: null,//购物车优惠券列表
+    def_coupon2: null,//直接购买优惠券列表
+    def_coupon3: null,//购物车包邮券列表
+    def_coupon4: null,//直接购买包邮券列表
   },
   /**
@@ -616,6 +620,7 @@ Page({
       allpice = allpice.toFixed(2);
       th.setData({exp_price: 0, allpice: allpice, submit: 0, show_submit: 1})
+      th.def_coupon_fn()
       wx.hideLoading();
     }
   },
@@ -643,7 +648,7 @@ Page({
   set_wuliu: function (e) {
     var type = e.currentTarget.dataset.type, th = this;
     this.setData({
-      exp_type: type,same_ok:1
+      exp_type: type,same_ok:1,first_entry:0
     });
     //--计算物流的值--
     if (th.data.goods) {
@@ -916,7 +921,7 @@ Page({
               arr.push(item);
             }
             if (arr) {
-              th.setData({ get_by_quan_list: arr });
+              th.setData({ get_by_quan_list: arr,def_coupon3: arr });
             }
             th.data.isget_by_quan[th.data.bn_pick] = 1;
           }
@@ -1182,7 +1187,7 @@ Page({
       allpice = allpice.toFixed(2);
       th.setData({exp_price: 0, allpice: allpice, submit: 0, show_submit: 1})
     }
-
+    th.def_coupon_fn()
     wx.hideLoading();
     //});
@@ -1350,7 +1355,7 @@ Page({
             allpice = allpice.toFixed(2);
             th.setData({ exp_price: 0, allpice: allpice,submit:0,show_submit:1})
         }
-
+        th.def_coupon_fn()
         wx.hideLoading();
@@ -1537,7 +1542,7 @@ Page({
               quanlist = res.data.data.pageData;
               if (quanlist) {
                 quanlist = th.check_is_frozenQuan(quanlist, frozenQuan);
-                th.setData({ selected_quan_list: quanlist })
+                th.setData({ selected_quan_list: quanlist,def_coupon2: quanlist })
               }
             }
           }
@@ -1624,6 +1629,111 @@ Page({
     th.setData({ open_quan: 0, disabled: 0 });
   },
+    /*--点击选择券--*/
+    sele_quan_item_befor: function (e) {
+
+      var ind = 0;
+      var quan_item = this.data.selected_quan_list[ind];
+      var pickid = this.data.selected_quan_pick;  //现在选择的是哪一个门店
+      //--如果券是单品使用的时候--
+      if (quan_item && quan_item.UseObjectType && quan_item.UseObjectType == "20") {
+        //---只有多件购买的时候才要计算，//购物车购买和搭配勾的时候---
+        var gg = getApp().get_b_now();
+        if (this.data.is_b_now == 0 || gg.prom_type == 5) {
+          var arr = this.data.order_prom_list_cart;
+          var t_pk_item = null;
+          for (var ii in arr) {
+            var ep = arr[ii];
+            if (pickid == ep.pickup_id) {
+              t_pk_item = ep;
+              break;
+            }
+          }
+          //--寻找券指定的商品--
+          var gd = null;
+          if (t_pk_item) {
+            var goods = t_pk_item.goods;
+            for (var gid in goods) {
+              if (quan_item.UseObjectID == goods[gid].erpwareid) {
+                gd = goods[gid];
+              }
+            }
+          }
+          if (!gd) {
+            // getApp().my_warnning("未找到指定商品使用", 0, this, 600);
+            return false;
+          }
+          //计算价格，如果有平摊的实收要计算实收的金额
+          var item_price = gd.goods_price * gd.goods_num;
+          //-- 如果有平摊下去，有实收价格的时候，就要用account_fir来计算价格 --
+          if (gd.account_fir != null && gd.account_fir != undefined) {
+            item_price = gd.account_fir * gd.goods_num;
+          }
+  
+          if (item_price < parseFloat(quan_item.BuySum)) {
+            // getApp().my_warnning("该单品金额没有大于等于" + quan_item.BuySum + "元时不能使用优惠券", 0, this, 600);
+            return false;
+          }
+        }
+      }
+  
+      var  quanlist = this.data.selected_quan_list;
+      //---所有的券的显示红色选择都清理一遍---
+      for (var i in quanlist) {
+        quanlist[i].show_red = 0;
+      }
+      this.setData({ selected_quan_list: quanlist });
+      var by_quanlist = this.data.get_by_quan_list;
+      if (by_quanlist) {
+        //---所有的券的显示红色选择都清理一遍---
+        for (var inb in by_quanlist) {
+          by_quanlist[inb].show_red = 0;
+        }
+        this.setData({ get_by_quan_list: by_quanlist });
+      }
+  
+      var by_cart_list = this.data.by_quan_list_cart;
+      if (by_cart_list) {
+        //---所有的券的显示红色选择都清理一遍---
+        for (var inc in by_cart_list) {
+          by_cart_list[inc].show_red = 0;
+        }
+        this.setData({ by_quan_list_cart: by_cart_list });
+      }
+  
+      var using_quan = this.data.using_quan;
+      var th = this;
+      //---如果是不使用优惠券---
+      // if (no_use == 1) {
+      //   console.log("有进来吗券", no_use);
+      //   if (using_quan[th.data.selected_quan_pick]) {
+      //     using_quan[th.data.selected_quan_pick].is_nouse_red = 1;
+      //   }
+      //   else {
+      //     using_quan[th.data.selected_quan_pick] = { is_nouse_red: 1 };
+      //   }
+      //   this.setData({ using_quan: using_quan, is_coupon: th.is_coupon });
+      //   return;
+      // }
+  
+  
+      var txt = "selected_quan_list[" + ind + "].show_red";
+      var obj = {};
+      obj[txt] = 1;
+      if (quan_item.show_red) {
+        obj[txt] = 0;
+      }
+      this.setData(obj);
+      console.log(this.data.selected_quan_list, "选中的券的下标", quan_item, "数据都在这里", txt);
+      if (using_quan[th.data.selected_quan_pick]) {
+        using_quan[th.data.selected_quan_pick].is_nouse_red = 0;
+      }
+      else {
+        using_quan[th.data.selected_quan_pick] = { is_nouse_red: 0 };
+      }
+      this.setData({ using_quan: using_quan });
+      return true
+    },
   /*--点击选择券--*/
   sele_quan_item: function (e) {
@@ -1731,6 +1841,66 @@ Page({
   },
   /*----- 点击选择包邮券 -----*/
+  sele_quan_item_by_befor: function (e) {
+    // var no_use = e.currentTarget.dataset.no;
+    //立即购买的包邮券
+    var by_quanlist = this.data.get_by_quan_list;
+    if (by_quanlist) {
+      //---所有的券的显示红色选择都清理一遍---
+      for (var ind in by_quanlist) {
+        by_quanlist[ind].show_red = 0;
+      }
+      this.setData({ get_by_quan_list: by_quanlist });
+    }
+
+    //普通券
+    var quanlist = this.data.selected_quan_list;
+    if (quanlist) {
+      //---所有的券的显示红色选择都清理一遍---
+      for (var ind in quanlist) {
+        quanlist[ind].show_red = 0;
+      }
+      this.setData({ selected_quan_list: quanlist });
+    }
+
+    var th = this;
+    var using_quan = this.data.using_quan;
+    //---如果是不使用优惠券---
+    // if (no_use == 1) {
+    //   if (using_quan[th.data.selected_quan_pick]) {
+    //     using_quan[th.data.selected_quan_pick].is_nouse_red = 1;
+    //   }
+    //   else {
+    //     using_quan[th.data.selected_quan_pick] = { is_nouse_red: 1 };
+    //   }
+    //   this.setData({ using_quan: using_quan, is_coupon: th.is_coupon });
+    //   return;
+    // }
+
+    var pickid = th.data.selected_quan_pick;  //现在选择的是哪一个门店
+    var ind = 0;
+    //--如果是立即购买的部分--
+    var txt = "";
+    var txt1 = "";
+    var quan_item = null;
+
+    quan_item = this.data.get_by_quan_list[ind];
+    txt = "get_by_quan_list[" + ind + "].show_red";
+    var obj = {};
+    obj[txt] = 1;
+    this.setData(obj);
+
+
+    if (using_quan[th.data.selected_quan_pick]) {
+      using_quan[th.data.selected_quan_pick].is_nouse_red = 0;
+    }
+    else {
+      using_quan[th.data.selected_quan_pick] = { is_nouse_red: 0 };
+    }
+    this.setData({ using_quan: using_quan });
+  },
+
+  /*----- 点击选择包邮券 -----*/
   sele_quan_item_by: function (e) {
     var no_use = e.currentTarget.dataset.no;
     //立即购买的包邮券
@@ -1791,6 +1961,71 @@ Page({
   },
   //--确认使用券---
+  confirm_quan_befor: function () {
+    var using_quan = this.data.using_quan;     //正在使用中的券列表
+    var pickid = this.data.selected_quan_pick; //选中的门店ID
+    var th = this;
+    var selected_quan_list = this.data.selected_quan_list;  //选择了那个门店的券列表
+    var get_by_quan_list = this.data.get_by_quan_list;      //立即购买的包邮券列表
+    var by_quan_list_cart = this.data.by_quan_list_cart;    //购物车购买的包邮券列表
+    //选择了的券
+    var sele_quan = null;
+
+    //循环普通的券
+    for (var i in selected_quan_list) {
+      var item = selected_quan_list[i];
+      if (item.show_red) {
+        th.insert_into_using_quan(item, using_quan, pickid,0,false);
+        return;
+      }
+    }
+    //循环包邮的券，立即购买的
+    for (var i in get_by_quan_list) {
+      var item = get_by_quan_list[i];
+      if (item.show_red) {
+        if (th.data.is_no_by[pickid] == 1) {
+          // getApp().my_warnning("已全场不能包邮，不能选择包邮券", 0, th);
+          return false;
+        }
+        if (th.data.is_by[pickid] == 1) {
+          // getApp().my_warnning("已全场包邮，不能选择包邮券", 0, th);
+          return false;
+        }
+
+        th.insert_into_using_quan(item, using_quan, pickid, 1,false);
+        return;
+      }
+    }
+
+    //循环包邮的券
+    for (var i in by_quan_list_cart) {
+      var item = by_quan_list_cart[i];
+      if (item.show_red) {
+        if (th.data.is_no_by[pickid] == 1) {
+          // getApp().my_warnning("已全场不能包邮，不能选择包邮券", 0, th);
+          return false;
+        }
+        if (th.data.is_by[pickid] == 1) {
+          // getApp().my_warnning("已全场包邮，不能选择包邮券", 0, th);
+          return false;
+        }
+        th.insert_into_using_quan(item, using_quan, pickid, 1,false);
+        return;
+      }
+    }
+
+    //选择了的券，看是不是点击了不使用券,点击了不使用优惠券
+    if (using_quan[pickid]) {
+      if (using_quan[pickid].is_nouse_red == 1) {
+        using_quan[pickid] = { is_nouse_red: 1 };
+        th.setData({ using_quan: using_quan });
+        th.calculatePrice2();
+        th.setData({ open_quan: 0 });
+        return;
+      }
+    }
+  },
+  //--确认使用券---
   confirm_quan: function () {
     var using_quan = this.data.using_quan;     //正在使用中的券列表
     var pickid = this.data.selected_quan_pick; //选中的门店ID
@@ -1855,9 +2090,99 @@ Page({
       }
     }
   },
+  //默认选择优惠券
+  def_coupon_fn() {
+    // setTimeout(() => {
+    //   this.def_coupon_fn_aft()
+    // }, 100);
+  try {
+    setTimeout(() => {
+      this.def_coupon_fn_aft()
+    }, 1000);
+  } catch (error) { }
+
+},
+  //默认选择优惠券
+  def_coupon_fn_aft() {
+    console.error('进入默认优惠券选择');
+    let th = this;
+    let first_entry = th.data.first_entry;
+    console.error(first_entry);
+    if (first_entry > 0) {
+      return
+    }
+    first_entry += 1;
+    th.setData({
+      first_entry
+    })
+    let length1 = th.data.def_coupon1 ? th.data.def_coupon1.length : 0
+    let length2 = th.data.def_coupon2 ? th.data.def_coupon2.length : 0
+    let length3 = th.data.def_coupon3 ? th.data.def_coupon3.length : 0
+    let length4 = th.data.def_coupon4 ? th.data.def_coupon4.length : 0
+    let length = length1 + length2 
+    if (th.data.exp_type==0) {
+      length+= length3 + length4
+    }
+    console.error(length);
+    if (length != 1) {
+      return
+    }
+    if (length1 == 1) {
+      console.error('优惠券1');
+      let first_entry = th.data.first_entry;
+      let quan_list = th.data.def_coupon1
+      if (quan_list && quan_list.length == 1 && first_entry == 1) {
+        // first_entry += 1;
+        th.setData({
+          sele_cart_ind: 0,
+          sele_exp_type: th.data.cartlist[0].exp_type,
+          selected_quan_pick: th.data.cartlist[0].pickup_id,
+          selected_quan_list: th.data.cartlist[0].quan_list,
+          // first_entry
+        })
+        let quan_off = th.sele_quan_item_befor();
+        if (quan_off) {
+          th.confirm_quan_befor()
+        }
+      }
+    }
+    if (length2 == 1) {
+      console.error('优惠券2');
+      let first_entry = th.data.first_entry;
+      let quanlist = th.data.def_coupon2
+      if (quanlist && quanlist.length == 1 && first_entry == 1) {
+        // first_entry += 1;
+        th.setData({
+          selected_quan_pick: th.data.bn_pick,
+          // first_entry
+        })
+        let quan_off = th.sele_quan_item_befor();
+        if (quan_off) {
+          th.confirm_quan_befor()
+        }
+      }
+    }
+    if (length3 == 1 && th.data.exp_type == 0) {
+      console.error('优惠券3');
+      let first_entry = th.data.first_entry;
+      let quanlist = th.data.def_coupon3
+      if (quanlist && quanlist.length == 1 && first_entry == 1) {
+        // first_entry += 1;
+        th.setData({
+          selected_quan_pick: th.data.bn_pick,
+          // first_entry
+        })
+
+        th.sele_quan_item_by_befor();
+        th.confirm_quan_befor()
+
+      }
+    }
+
+  },
   //----把券插入之后的操作，同时还要重新计算价格----
-  insert_into_using_quan: async function (item, using_quan, pickid, isby) {
+  insert_into_using_quan: async function (item, using_quan, pickid, isby, showToast = true) {
     var th = this;
@@ -1880,14 +2205,14 @@ Page({
       th.calculatePrice2(function () {
-        if (old_quan) using_quan[pickid] = old_quan;
-        else using_quan[pickid] = null;
-        th.setData({ using_quan: using_quan, submit: 0 });
-        wx.showToast({
-          title: "不能使用优惠券，同城起送价不足",
-          icon: 'none',
-          duration: 2000
-        })
+        // if (old_quan) using_quan[pickid] = old_quan;
+        // else using_quan[pickid] = null;
+        // th.setData({ using_quan: using_quan, submit: 0 });
+        // wx.showToast({
+        //   title: "不能使用优惠券，同城起送价不足",
+        //   icon: 'none',
+        //   duration: 2000
+        // })
       });