ONE/frontend/src/admin/AdminLayout.vue

<script setup>
import { computed, onMounted, onBeforeUnmount, ref, watch } from 'vue'
import ToastStack from './ToastStack.vue'
import { useRoute, useRouter, RouterLink, RouterView } from 'vue-router'
import { checkAuth } from './auth'
import { adminApi, session } from '../api'
import { site } from '../site'
import CommandPalette from './CommandPalette.vue'
import ShortcutsPanel from './ShortcutsPanel.vue'
import ThemeSwitcher from '../components/ThemeSwitcher.vue'

const router = useRouter()
const route = useRoute()
const ready = ref(false)
const paletteOpen = ref(false)
const shortcutsOpen = ref(false)
const sideOpen = ref(false)
const counts = ref({ published: 0, draft: 0, tags: 0 })

async function loadCounts() {
  try {
    const d = await adminApi.dashboard()
    counts.value = {
      published: d.published_posts,
      draft: d.draft_posts,
      tags: d.total_tags
    }
  } catch (e) {
    /* ignore — counts are decorative */
  }
}

onMounted(async () => {
  if (!(await checkAuth())) {
    router.replace('/admin/login')
    return
  }
  ready.value = true
  loadCounts()
})

// 会话过期时（请求返回 401）统一跳回登录页
function onUnauthorized() {
  session.clear()
  if (router.currentRoute.value.path.startsWith('/admin')) router.replace('/admin/login')
}
onMounted(() => window.addEventListener('one:unauthorized', onUnauthorized))
onBeforeUnmount(() => window.removeEventListener('one:unauthorized', onUnauthorized))

async function logout() {
  try {
    await adminApi.logout()
  } catch (e) {
    /* 忽略 */
  }
  session.clear()
  router.replace('/admin/login')
}

const crumb = computed(() => {
  const p = route.path
  if (p.endsWith('/new')) return '写新的'
  if (/^\/admin\/\d+/.test(p)) return '编辑文章'
  if (p.endsWith('/files')) return '文件'
  if (p.endsWith('/comments')) return '评论'
  if (p.endsWith('/users')) return '用户'
  if (p.endsWith('/tags')) return '标签'
  if (p.endsWith('/settings')) return '设置'
  if (p === '/admin' || p === '/admin/') return '总览'
  return '后台'
})

function onKeydown(e) {
  // ⌘K / Ctrl+K
  if ((e.metaKey || e.ctrlKey) && e.key.toLowerCase() === 'k') {
    e.preventDefault()
    paletteOpen.value = true
    return
  }
  // Esc 收起手机端抽屉
  if (e.key === 'Escape') sideOpen.value = false
  // ?
  if (e.key === '?' && !e.metaKey && !e.ctrlKey && !e.altKey) {
    const t = e.target
    const isInput =
      t && (t.tagName === 'INPUT' || t.tagName === 'TEXTAREA' || t.isContentEditable)
    if (!isInput) {
      e.preventDefault()
      shortcutsOpen.value = true
    }
  }
  // esc handled in child components
}

onMounted(() => window.addEventListener('keydown', onKeydown))
onBeforeUnmount(() => window.removeEventListener('keydown', onKeydown))

// refresh counts when route changes (posts / tags edited); 顺手收起手机端抽屉
watch(() => route.path, () => {
  sideOpen.value = false
  loadCounts()
})
</script>

<template>
  <div v-if="ready" class="admin-shell">
    <ToastStack />
    <aside class="admin-side" :class="{ open: sideOpen }">
      <div class="brand">
        <RouterLink to="/admin" class="name">{{ site.site_title || 'ONE' }}</RouterLink>
        <span class="label">· 后台</span>
      </div>
      <nav class="nav">
        <div class="group">工作台</div>
        <RouterLink to="/admin" class="item">
          <span class="ic">◇</span>
          <span>总览</span>
        </RouterLink>
        <RouterLink to="/admin/posts" class="item" :class="{ 'router-link-exact-active': route.path === '/admin/posts' }">
          <span class="ic">▤</span>
          <span>文章</span>
          <span class="badge">{{ counts.published + counts.draft }}</span>
        </RouterLink>
        <RouterLink to="/admin/tags" class="item">
          <span class="ic">◐</span>
          <span>标签</span>
          <span class="badge">{{ counts.tags }}</span>
        </RouterLink>
        <RouterLink to="/admin/projects" class="item">
          <span class="ic">◈</span>
          <span>作品</span>
        </RouterLink>
        <RouterLink to="/admin/files" class="item">
          <span class="ic">▣</span>
          <span>文件</span>
        </RouterLink>
        <RouterLink to="/admin/comments" class="item">
          <span class="ic">❝</span>
          <span>评论</span>
        </RouterLink>
        <div class="group">操作</div>
        <RouterLink to="/admin/new" class="item">
          <span class="ic">✎</span>
          <span>写新的</span>
        </RouterLink>
        <RouterLink to="/admin/settings" class="item">
          <span class="ic">⚙</span>
          <span>设置</span>
        </RouterLink>
        <RouterLink to="/admin/account" class="item">
          <span class="ic">◉</span>
          <span>账户</span>
        </RouterLink>
        <!-- 用户管理是站主专属：内容管理员（admin）看不到这个入口 -->
        <RouterLink v-if="session.isOwner" to="/admin/users" class="item">
          <span class="ic">◍</span>
          <span>用户</span>
        </RouterLink>
        <div class="group">前台</div>
        <a href="/" target="_blank" class="item">
          <span class="ic">↗</span>
          <span>查看前台</span>
        </a>
      </nav>
      <div class="footer">
        <div class="meta">
          <div class="who">{{ session.user || 'admin' }}</div>
          <button class="leave" @click="logout">退出登录 →</button>
        </div>
        <ThemeSwitcher variant="inline" />
      </div>
    </aside>

    <div class="admin-main">
      <header class="admin-topbar">
        <div class="crumbs">
          <!-- 手机端唤出侧栏抽屉（≤860px 显示，桌面隐藏） -->
          <button class="menu-btn" type="button" aria-label="后台菜单" @click="sideOpen = !sideOpen">☰</button>
          <strong>{{ crumb }}</strong>
        </div>
        <div class="right">
          <button class="cmd-hint" @click="paletteOpen = true">
            搜索 / 命令 <kbd>⌘K</kbd>
          </button>
          <!-- 手机端主题切换收进顶栏（浮动按钮在总览页会压住卡片右下角）；
               桌面隐藏，切换仍走侧栏 footer -->
          <ThemeSwitcher variant="inline" class="switch-m" />
          <!-- 手机端侧栏进抽屉后，退出固定放顶栏；桌面隐藏，退出仍走侧栏 footer -->
          <button class="btn leave-m" @click="logout">退出</button>
        </div>
      </header>
      <main class="admin-content">
        <!-- 编辑器在 /admin/:id 间切换会复用组件：按 id 重建实例，防止串写 -->
        <RouterView :key="route.name === 'admin-edit' ? route.params.id : undefined" />
      </main>
    </div>
    <!-- 手机端抽屉遮罩：点空白收回 -->
    <div class="side-scrim" :class="{ on: sideOpen }" @click="sideOpen = false"></div>

    <Transition name="pop">
      <CommandPalette v-if="paletteOpen" @close="paletteOpen = false" />
    </Transition>
    <Transition name="pop">
      <ShortcutsPanel v-if="shortcutsOpen" @close="shortcutsOpen = false" />
    </Transition>
  </div>
  <div v-else class="checking">检查登录状态…</div>
</template>

<style scoped>
.checking {
  padding: 80px;
  text-align: center;
  color: var(--admin-muted);
}

/* 顶栏主题切换：手机专属（≤860px 与抽屉同 breakpoint），桌面隐藏。
   34px 比 inline 默认 40px 略小，跟 36px 的 ☰ / 退出按钮同排不突兀；
   选择器带 .admin-topbar 提特度，压过组件自身的 .theme-switcher--inline。 */
.admin-topbar .switch-m {display: none;}
@media (max-width: 860px) {
  .admin-topbar .switch-m {display: inline-flex;
    width: 34px;
    height: 34px;}
  .admin-topbar .switch-m :deep(.ic) {font-size: 16px;}
}
</style>