fix 商品上下架后处理商品列表恰好为空情况

Components/commodity/src/main/java/com/yidian/shenghuoquan/commodity/ui/coupon/adapter/CommodityListAdapter.kt

@@ -11,6 +11,7 @@ import androidx.databinding.BindingAdapter
 import androidx.databinding.DataBindingUtil
 import androidx.databinding.ViewDataBinding
 import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.MutableLiveData
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.resource.bitmap.CenterCrop
@@ -79,6 +80,11 @@ class CommodityListAdapter(private val context: Context, private val status: Com
    */
   private val commodityData by lazy { ArrayList<Goods>() }
 
+  /**
+   * 商品数据变化
+   */
+  val commodityDataChange by lazy { MutableLiveData<ArrayList<Goods>>() }
+
   /**
    * 更新数据
    */
@@ -167,6 +173,7 @@ class CommodityListAdapter(private val context: Context, private val status: Com
           ToastUtil.showToast(context, "下架成功")
           commodityData.remove(data)
           notifyItemRemoved(position)
+          commodityDataChange.value = commodityData
         })
       }
       is CommodityAuditItemViewHolder -> {
@@ -183,6 +190,7 @@ class CommodityListAdapter(private val context: Context, private val status: Com
           ToastUtil.showToast(context, "上架成功")
           commodityData.remove(data)
           notifyItemRemoved(position)
+          commodityDataChange.value = commodityData
         })
       }
     }

Components/commodity/src/main/java/com/yidian/shenghuoquan/commodity/ui/coupon/fragment/CommodityListFragment.kt

@@ -49,6 +49,7 @@ class CommodityListFragment(private val status: CommodityStatus) :
    * 订阅数据
    */
   private fun subscribeLiveData() {
+    // 下拉刷新完成
     vm.refreshFinish.observe(this, {
       binding.rlCommodityList.finishRefresh()
       if (it.isNullOrEmpty()) {
@@ -58,10 +59,17 @@ class CommodityListFragment(private val status: CommodityStatus) :
         adapter?.updateData(it)
       }
     })
+    // 上拉加载更多完成
     vm.loadMoreFinish.observe(this, {
       binding.rlCommodityList.finishLoadMore()
       adapter?.insertData(it)
     })
+    // 商品数据变化
+    adapter?.commodityDataChange?.observe(this, {
+      if (it.isNullOrEmpty()) {
+        binding.pvEmptyPage.isVisible = true
+      }
+    })
   }
 
   /**