添加了注释，完善了参数校验及空值处理

app/src/main/java/com/sw/inbound/viewmodel/ReceiptViewModel.kt

@@ -3,6 +3,7 @@ package com.sw.inbound.viewmodel
 import androidx.lifecycle.viewModelScope
 import com.sw.inbound.ext.toSafeBigDecimal
 import com.sw.inbound.ext.toSafeFloat
+import com.sw.inbound.ext.toSafeString
 import com.sw.inbound.model.request.UploadInfo
 import com.sw.inbound.model.response.DictType
 import com.sw.inbound.model.response.GoodsInfo
@@ -22,6 +23,9 @@ import kotlinx.coroutines.flow.update
 import timber.log.Timber
 import javax.inject.Inject
 
+/**
+ * 收货
+ */
 @HiltViewModel
 class ReceiptViewModel @Inject constructor(
     private val repository: RemoteRepository
@@ -37,16 +41,6 @@ class ReceiptViewModel @Inject constructor(
     private val _currentPurchaseInfo = MutableStateFlow<PurchaseInfo?>(null)
     val currentPurchaseInfo: StateFlow<PurchaseInfo?> = _currentPurchaseInfo
 
-    // 自动从 currentPurchaseInfo 派生 orders
-//    private val _orders: StateFlow<List<GoodsInfo>> = currentPurchaseInfo
-//        .map { purchaseInfo ->
-//            purchaseInfo?.receiveGoodsInfoList ?: emptyList()
-//        }
-//        .stateIn(
-//            viewModelScope,
-//            SharingStarted.WhileSubscribed(5000), // 或者使用 Lazily/Eagerly 根据需求
-//            emptyList()
-//        )
     private val _orders = MutableStateFlow<List<GoodsInfo>>(emptyList())
     val orders: StateFlow<List<GoodsInfo>> = _orders.asStateFlow()
 
@@ -64,9 +58,7 @@ class ReceiptViewModel @Inject constructor(
         .map { orders -> orders.filter { !it.isAdjusted && it.goodId != null } }
         .stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
 
-    val mergedOrders: StateFlow<List<GoodsInfo>> = _orders
-
-    //
+    // 选中的商品
     private val _selectedItem = MutableStateFlow<GoodsInfo?>(null)
     val selectedItem: StateFlow<GoodsInfo?> = _selectedItem
 
@@ -74,9 +66,11 @@ class ReceiptViewModel @Inject constructor(
     private val _searchListItems = MutableStateFlow<List<SearchGoodsInfo.Record>>(emptyList())
     val searchListItems: StateFlow<List<SearchGoodsInfo.Record>> = _searchListItems
 
+    // 收货请求结果
     private val _receiptResult = MutableStateFlow<Boolean>(false)
     val receiptResult: StateFlow<Boolean> = _receiptResult
 
+    // 物品数量 是否由用户输入
     private val _countUserInput = MutableStateFlow<Boolean>(false)
 
     /**
@@ -87,10 +81,21 @@ class ReceiptViewModel @Inject constructor(
         _adjustState.value = isAdjustState
     }
 
+    fun StateFlow<List<GoodsInfo>>.getValidOrders(): List<GoodsInfo> {
+        return this.value.filter { it.goodId != null }
+    }
     /**
      * 更新收货提示弹窗
      */
     fun updateReceiptDialog(showDialog: Boolean) {
+        if (_orders.getValidOrders().isEmpty()) {
+            ToastUtils.showToast("订单为空或包含异常数据")
+            return
+        }
+        if (!unadjustedOrders.value.isEmpty()) {
+            ToastUtils.showToast("请先调整物品信息")
+            return
+        }
         _showReceiptDialog.value = showDialog
     }
 
@@ -151,12 +156,12 @@ class ReceiptViewModel @Inject constructor(
     /**
      * 更新所有商品仓库
      */
-    fun updateAllPurchaseStore(store: DictType, predicate: (GoodsInfo) -> Boolean = { true }) {
+    fun updateAllPurchaseStore(warehouse: DictType, predicate: (GoodsInfo) -> Boolean = { true }) {
         _orders.update { currentList ->
             currentList.map { order ->
                 if (predicate(order)) order.copy(
-                    warehouseId = store.id,
-                    warehouseName = store.value
+                    warehouseId = warehouse.id,
+                    warehouseName = warehouse.value
                 ) else order
             }
         }
@@ -192,6 +197,9 @@ class ReceiptViewModel @Inject constructor(
                 Timber.d("startSensorScale weight = $weight, count = $count, finalCount = $finalCount, consumeValue = $consumeValue, purchaseValue = $purchaseValue")
                 _selectedItem.value = info.copy(
                     goodsWeight = weight.toSafeBigDecimal(),
+                    receivedNumTemp = if (_countUserInput.value) info.receivedNumTemp else count.toSafeString(
+                        currentItem.unitName
+                    ),
                     receivedNum = if (_countUserInput.value) info.receivedNum else finalCount
                 )
             }