Fix(云灵AI):[#5376]单规格产品点击“送给朋友”“立即下单”按钮，未跳转至送礼页面，错误触发“加入购物车”提示-2

aiChat/mixins/chatMixinsV2.js

@@ -14,6 +14,7 @@ import {
   getBottomNavigationConfigList
 } from '@/api/public'
 import {
+  getProductDetail,
   postCartAdd
 } from '@/api/store'
 import { VUE_APP_API_URL } from '@/config'
@@ -516,16 +517,58 @@ export const chatMixinsV2 = {
       })
     },
     productItemBuyNowClickHandle(item) {
+      this.productItemBuyNowOrGiftBuy(item, 1)
+    },
+    productItemGiftBuyClickHandle(item) {
+      this.productItemBuyNowOrGiftBuy(item, 2)
+    },
+    productItemBuyNowOrGiftBuy(item, BuyNowOrGiftBuyType) {
       this.audioStopHandle()
       this.showGiftBtn = false
       this.cart_num = 1
-      this.addToCart(item)
-    },
-    productItemGiftBuyClickHandle(item) {
-      this.audioStopHandle()
-      this.showGiftBtn = true
-      this.cart_num = 1
-      this.addToCart(item)
+      this.m_id = item.id
+      getProductDetail(item.id).then(res => {
+        const { data } = res
+        this.storeInfo = {...data.storeInfo}
+        if(data.storeInfo.stock === 0) {
+          uni.showToast({
+            title: "产品库存不足，请选择其他商品",
+            icon: "none",
+            duration: 5000
+          })
+          return
+        }
+        this.isWenwan = data.isWenwan
+        this.qualifications = data.qualifications || []
+        // 给 attr 赋值，将请求回来的规格赋值给 attr
+        if (this.source !== 'pre' && this.source !== 'day' && this.source !== 'kill' && this.source !== 'spe') {
+          this.attr.productAttr = data.productAttr || []
+          this.productValueArr = []
+          for (const key in data.productValue) {
+            this.productValueArr.push({
+              attrItemkey: key,
+              ...data.productValue[key]
+            })
+          }
+          // 初始化认为所有的规格都是可以选的
+          this.attr.productAttr.map(item => {
+            item.attrValue.map(subItem => {
+              subItem.canUsed = true
+            })
+          })
+        }
+        this.attr.defaultSku = data.defaultSku
+        this.attr.defaultSkuIndex = data.defaultSkuIndex
+        this.DefaultSelect()
+        // 是否单一规格
+        const onlyOne = Object.keys(data.productValue).length === 1
+        
+        if(onlyOne && this.onlyOneToAddCart) {
+          this.buyNowOrGiftBuyReq(BuyNowOrGiftBuyType)
+          return
+        }
+        this.attr.cartAttr = !this.isOpen ? true : false
+      })
     },
     buyNowOrGiftBuyReq(type) {
       const _this = this