From 163d48d189476ef440d7ff5cf51ce4786cdb53a5 Mon Sep 17 00:00:00 2001
From: chw <hongwei.chang@brgroup.com>
Date: Fri, 7 Aug 2026 00:32:53 +0800
Subject: [PATCH] fix(requirements): prevent deleting all document modules

---
 .../src/features/requirements/views/DocumentDetailView.vue | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/WHartTest_Vue/src/features/requirements/views/DocumentDetailView.vue b/WHartTest_Vue/src/features/requirements/views/DocumentDetailView.vue
index 51178f5..6688edc 100644
--- a/WHartTest_Vue/src/features/requirements/views/DocumentDetailView.vue
+++ b/WHartTest_Vue/src/features/requirements/views/DocumentDetailView.vue
@@ -605,6 +605,7 @@ const pageText = computed(() => (
         mergeSuccess: (count: number) => `Merged ${count} modules`,
         mergeFailed: 'Failed to merge modules',
         selectModulesToDelete: 'Select modules to delete',
+        keepAtLeastOneModule: 'At least one module must remain.',
         deleteModulesTitle: 'Confirm deletion',
         deleteModulesContent: (count: number) => `Delete ${count} selected modules? This action cannot be undone.`,
         deleteModulesConfirm: 'Delete',
@@ -712,6 +713,7 @@ const pageText = computed(() => (
         mergeSuccess: (count: number) => `已合并 ${count} 个模块`,
         mergeFailed: '合并模块失败',
         selectModulesToDelete: '请选择要删除的模块',
+        keepAtLeastOneModule: '至少需要保留一个模块',
         deleteModulesTitle: '确认删除',
         deleteModulesContent: (count: number) => `确定要删除选中的 ${count} 个模块吗？此操作不可恢复。`,
         deleteModulesConfirm: '确认删除',
@@ -1538,6 +1540,11 @@ const deleteSelectedModules = async () => {
   }
   if (!document.value) return;
 
+  if (selectedModules.value.length >= document.value.modules.length) {
+    Message.warning(pageText.value.keepAtLeastOneModule);
+    return;
+  }
+
   Modal.warning({
     title: pageText.value.deleteModulesTitle,
     content: pageText.value.deleteModulesContent(selectedModules.value.length),