결재 비활성 안내 개선 및 테이블 기능 보강

lib/features/inventory/inbound/presentation/pages/inbound_page.dart

@@ -837,6 +837,8 @@ class _InboundPageState extends State<InboundPage> {
     };
 
     String? writerError;
+    String? warehouseError;
+    String? statusError;
     String? headerNotice;
     void Function(VoidCallback fn)? refreshForm;
 
@@ -847,10 +849,14 @@ class _InboundPageState extends State<InboundPage> {
     void handleSubmit() {
       final validationResult = _validateInboundForm(
         writerController: writerController,
+        warehouseValue: warehouseController.text,
+        statusValue: statusValue.value,
         drafts: drafts,
         lineErrors: lineErrors,
       );
       writerError = validationResult.writerError;
+      warehouseError = validationResult.warehouseError;
+      statusError = validationResult.statusError;
       headerNotice = validationResult.headerNotice;
       refreshForm?.call(() {});
 
@@ -871,6 +877,7 @@ class _InboundPageState extends State<InboundPage> {
             ),
           )
           .toList();
+      items.sort((a, b) => a.product.compareTo(b.product));
       result = InboundRecord(
         number: initial?.number ?? _generateInboundNumber(processedAt.value),
         transactionNumber:
@@ -936,6 +943,7 @@ class _InboundPageState extends State<InboundPage> {
                       child: SuperportFormField(
                         label: '창고',
                         required: true,
+                        errorText: warehouseError,
                         child: ShadSelect<String>(
                           initialValue: warehouseController.text,
                           selectedOptionBuilder: (context, value) =>
@@ -943,7 +951,11 @@ class _InboundPageState extends State<InboundPage> {
                           onChanged: (value) {
                             if (value != null) {
                               warehouseController.text = value;
-                              setState(() {});
+                              setState(() {
+                                if (warehouseError != null) {
+                                  warehouseError = null;
+                                }
+                              });
                             }
                           },
                           options: _warehouseOptions
@@ -962,6 +974,7 @@ class _InboundPageState extends State<InboundPage> {
                       child: SuperportFormField(
                         label: '상태',
                         required: true,
+                        errorText: statusError,
                         child: ShadSelect<String>(
                           initialValue: statusValue.value,
                           selectedOptionBuilder: (context, value) =>
@@ -969,7 +982,11 @@ class _InboundPageState extends State<InboundPage> {
                           onChanged: (value) {
                             if (value != null) {
                               statusValue.value = value;
-                              setState(() {});
+                              setState(() {
+                                if (statusError != null) {
+                                  statusError = null;
+                                }
+                              });
                             }
                           },
                           enabled: initial?.status != '승인완료',
@@ -1525,11 +1542,15 @@ class _LineItemFieldErrors {
 
 _InboundFormValidation _validateInboundForm({
   required TextEditingController writerController,
+  required String warehouseValue,
+  required String statusValue,
   required List<_LineItemDraft> drafts,
   required Map<_LineItemDraft, _LineItemFieldErrors> lineErrors,
 }) {
   var isValid = true;
   String? writerError;
+  String? warehouseError;
+  String? statusError;
   String? headerNotice;
 
   if (writerController.text.trim().isEmpty) {
@@ -1537,12 +1558,24 @@ _InboundFormValidation _validateInboundForm({
     isValid = false;
   }
 
+  if (warehouseValue.trim().isEmpty) {
+    warehouseError = '창고를 선택하세요.';
+    isValid = false;
+  }
+
+  if (statusValue.trim().isEmpty) {
+    statusError = '상태를 선택하세요.';
+    isValid = false;
+  }
+
   var hasLineError = false;
+  final seenProductKeys = <String>{};
   for (final draft in drafts) {
     final errors = lineErrors.putIfAbsent(draft, _LineItemFieldErrors.empty);
     errors.clearAll();
 
-    if (draft.product.text.trim().isEmpty) {
+    final productText = draft.product.text.trim();
+    if (productText.isEmpty) {
       errors.product = '제품을 입력하세요.';
       hasLineError = true;
       isValid = false;
@@ -1552,8 +1585,15 @@ _InboundFormValidation _validateInboundForm({
       isValid = false;
     }
 
+    final productKey = (draft.catalogMatch?.code ?? productText.toLowerCase());
+    if (productKey.isNotEmpty && !seenProductKeys.add(productKey)) {
+      errors.product = '동일 제품이 중복되었습니다.';
+      hasLineError = true;
+      isValid = false;
+    }
+
     final quantity = int.tryParse(
-      draft.quantity.text.trim() == '' ? '0' : draft.quantity.text.trim(),
+      draft.quantity.text.trim().isEmpty ? '0' : draft.quantity.text.trim(),
     );
     if (quantity == null || quantity < 1) {
       errors.quantity = '수량은 1 이상 정수여야 합니다.';
@@ -1576,6 +1616,8 @@ _InboundFormValidation _validateInboundForm({
   return _InboundFormValidation(
     isValid: isValid,
     writerError: writerError,
+    warehouseError: warehouseError,
+    statusError: statusError,
     headerNotice: headerNotice,
   );
 }
@@ -1589,11 +1631,15 @@ class _InboundFormValidation {
   const _InboundFormValidation({
     required this.isValid,
     this.writerError,
+    this.warehouseError,
+    this.statusError,
     this.headerNotice,
   });
 
   final bool isValid;
   final String? writerError;
+  final String? warehouseError;
+  final String? statusError;
   final String? headerNotice;
 }