feat: permanently delete archived lists

frontend/src/App.vue

@@ -10,6 +10,7 @@ import { formatApiErrorDetail, isTaskView, nextTotalAfterLocalTaskAdd, normalize
 import { csrfHeader } from './lib/csrf'
 import { createCompletionPulse } from './lib/completion-motion'
 import { captureListDragPointer, getAdjacentListMove, hasExceededLongPressMovement, moveListToScope, snapshotListDragPointer, type ListDragPointer } from './lib/list-drag'
+import { nextDialogFocusIndex } from './lib/list-purge'
 import MvpPanel from './MvpPanel.vue'
 import CountdownPanel from './CountdownPanel.vue'
 import FloatingAddButton from './components/FloatingAddButton.vue'
@@ -30,6 +31,12 @@ const password = ref('')
 const folders = ref<FolderItem[]>([])
 const lists = ref<TaskList[]>([])
 const archivedLists = ref<TaskList[]>([])
+const purgeListTarget = ref<TaskList | null>(null)
+const purgeListSubmitting = ref(false)
+const purgeListError = ref('')
+const purgeCancelButton = ref<HTMLButtonElement | null>(null)
+const purgeListDialog = ref<HTMLElement | null>(null)
+let purgeListTrigger: HTMLElement | null = null
 const tasks = ref<Task[]>([])
 const overdueTasks = ref<Task[]>([])
 const trash = ref<Task[]>([])
@@ -779,7 +786,19 @@ async function deleteEntity(kind: 'folders' | 'lists', item: FolderItem | TaskLi
   if (kind === 'lists') {
     const answer = await askText(`归档清单「${item.name}」？`, '', '', '归档')
     if (answer === null) return
-    try { await api(`/${kind}/${item.id}`, { method: 'DELETE' }); await loadArchivedLists(); await refreshAll(); toast('清单已归档') } catch (reason) { fail(reason) }
+    try {
+      const wasCurrentList = activeView.value === 'tasks' && activeList.value === item.id
+      await api(`/${kind}/${item.id}`, { method: 'DELETE' })
+      await loadArchivedLists()
+      await refreshAll()
+      if (wasCurrentList) {
+        selectedTask.value = null
+        mobileDetail.value = false
+        const inboxId = lists.value.find((list) => list.is_inbox)?.id || ''
+        await switchView('tasks', inboxId)
+      }
+      toast('清单已归档')
+    } catch (reason) { fail(reason) }
     return
   }
   const answer = await askText(`删除文件夹「${item.name}」？`, '', '', '删除')
@@ -792,6 +811,43 @@ async function loadArchivedLists() {
 async function restoreList(item: TaskList) {
   try { await api(`/lists/${item.id}/restore`, { method: 'POST' }); await loadArchivedLists(); await refreshAll(); toast('清单已恢复') } catch (reason) { fail(reason) }
 }
+function openPurgeList(item: TaskList, trigger?: EventTarget | null) {
+  purgeListTarget.value = item
+  purgeListError.value = ''
+  purgeListTrigger = trigger instanceof HTMLElement ? trigger : document.activeElement as HTMLElement | null
+  nextTick(() => purgeCancelButton.value?.focus())
+}
+function closePurgeList() {
+  if (purgeListSubmitting.value) return
+  purgeListTarget.value = null
+  purgeListError.value = ''
+  nextTick(() => purgeListTrigger?.focus())
+}
+function handlePurgeDialogKeydown(event: KeyboardEvent) {
+  if (event.key === 'Escape' && !purgeListSubmitting.value) closePurgeList()
+  if (event.key !== 'Tab' || !purgeListDialog.value) return
+  const controls = [...purgeListDialog.value.querySelectorAll<HTMLElement>('button:not(:disabled)')]
+  if (!controls.length) return
+  const activeIndex = controls.indexOf(document.activeElement as HTMLElement)
+  const nextIndex = nextDialogFocusIndex(activeIndex, controls.length, event.shiftKey)
+  if (nextIndex !== null) { event.preventDefault(); controls[nextIndex].focus() }
+}
+async function confirmPurgeList() {
+  if (!purgeListTarget.value || purgeListSubmitting.value) return
+  purgeListSubmitting.value = true
+  purgeListError.value = ''
+  try {
+    const purgedId = purgeListTarget.value.id
+    await api(`/lists/${purgeListTarget.value.id}/purge`, { method: 'DELETE' })
+    archivedLists.value = archivedLists.value.filter((list) => list.id !== purgedId)
+    purgeListTarget.value = null
+    toast('清单已永久删除')
+  } catch (reason) {
+    purgeListError.value = reason instanceof Error ? reason.message : '永久删除失败'
+  } finally {
+    purgeListSubmitting.value = false
+  }
+}
 function toggleSidebarCreate() { sidebarCreateOpen.value = !sidebarCreateOpen.value; sidebarAction.value = null }
 function openSidebarAction(kind: 'folders' | 'lists', item: FolderItem | TaskList) {
   sidebarAction.value = sidebarAction.value?.item.id === item.id ? null : { kind, item }
@@ -984,7 +1040,7 @@ onMounted(bootstrap)
         <div v-for="list in lists.filter(l=>!l.folder_id&&!l.is_inbox)" :key="list.id" :data-list-id="list.id" class="list-row" :class="{active:activeView==='tasks'&&activeList===list.id,'list-dragging':listDrag?.id===list.id,'list-reorder-target':listReorderTarget===list.id&&listDrag?.id!==list.id}" :style="{'--list-drag-y':`${listDrag?.id===list.id?listDrag.offsetY:0}px`}" @pointermove="moveListDrag(list,$event)" @pointerup="finishListDrag(list,$event)" @pointercancel="cancelListDrag"><button class="list-drag-handle" aria-label="拖动清单排序或移动到文件夹" title="长按拖动清单" @pointerdown.stop="startListHandlePress(list,$event)" @pointermove.stop="moveListHandle(list,$event)" @pointerup.stop="finishListDrag(list,$event)" @pointercancel.stop="cancelListDrag"><GripVertical/></button><button class="list-row-main" :title="list.name" :aria-label="list.name" @click="selectListUnlessDragged(list)"><i/><span>{{list.name}}</span></button><span class="row-actions"><button aria-label="打开清单操作" :aria-expanded="sidebarAction?.item.id===list.id" @click="openSidebarAction('lists',list)"><Ellipsis/></button></span></div>
         <template v-if="archivedLists.length">
           <div class="section-title"><span>已归档清单</span></div>
-          <div v-for="list in archivedLists" :key="list.id" class="list-row archived-row"><div class="list-row-main archived-row-label" :title="list.name" :aria-label="`已归档清单：${list.name}`"><ArchiveRestore/><span>{{list.name}}</span></div><span class="row-actions archived-actions"><button aria-label="恢复清单" @click="restoreList(list)"><ArchiveRestore/>恢复</button></span></div>
+          <div v-for="list in archivedLists" :key="list.id" class="list-row archived-row"><div class="list-row-main archived-row-label" :title="list.name" :aria-label="`已归档清单：${list.name}`"><ArchiveRestore/><span>{{list.name}}</span></div><span class="row-actions archived-actions"><button aria-label="恢复清单" @click="restoreList(list)"><ArchiveRestore/>恢复</button><button class="danger-text" aria-label="永久删除清单" @click="openPurgeList(list,$event.currentTarget)"><Trash2/>永久删除</button></span></div>
         </template>
       </div>
       <nav class="sidebar-management" aria-label="管理">
@@ -1098,6 +1154,14 @@ onMounted(bootstrap)
     </Transition>
     <Transition name="toast"><div v-if="notice" class="toast" role="status">{{notice}}</div></Transition>
     <div v-if="error" class="error-toast" role="alert">{{error}}<button @click="error=''"><X/></button></div>
+    <div v-if="purgeListTarget" class="modal-mask purge-list-mask" @click.self="closePurgeList">
+      <section ref="purgeListDialog" class="modal-box purge-list-dialog" role="alertdialog" aria-modal="true" aria-labelledby="purge-list-title" aria-describedby="purge-list-description" @keydown="handlePurgeDialogKeydown">
+        <h3 id="purge-list-title">永久删除清单「{{ purgeListTarget.name }}」？</h3>
+        <p id="purge-list-description">将永久删除其中的全部任务、子任务、重复规则、附件及实体文件。此操作无法撤销。</p>
+        <p v-if="purgeListError" role="alert" class="purge-list-error">{{ purgeListError }}</p>
+        <div class="modal-actions"><button ref="purgeCancelButton" class="secondary" :disabled="purgeListSubmitting" @click="closePurgeList">取消</button><button class="danger-button" :disabled="purgeListSubmitting" @click="confirmPurgeList">{{ purgeListSubmitting ? '正在删除…' : '永久删除' }}</button></div>
+      </section>
+    </div>
     <div v-if="modalVisible" class="modal-mask" @click.self="closeModal">
       <div class="modal-box" role="dialog" aria-modal="true">
         <h3>{{ modalTitle }}</h3>