feat: добавил эндпоинт для получения статистики админского дашборда

frontend/src/views/admin/AdminDashboardView.vue

@@ -3,17 +3,11 @@ import { computed, onMounted, ref } from 'vue'
 import GlassCard from '@/components/ui/GlassCard.vue'
 import StatsWidget from '@/components/ui/StatsWidget.vue'
 import StatusBadge from '@/components/ui/StatusBadge.vue'
-import { lecturesApi, reviewsApi, syncApi, usersApi } from '@/api'
-import type { LectureDto, SyncStatusDto, UserDto } from '@/api/types'
+import { syncApi, usersApi } from '@/api'
+import type { AdminDashboardStatsDto, SyncStatusDto } from '@/api/types'
 
-const users = ref<UserDto[]>([])
-const lectures = ref<LectureDto[]>([])
-const pendingReviewsCount = ref(0)
+const stats = ref<AdminDashboardStatsDto | null>(null)
 const syncStatus = ref<SyncStatusDto | null>(null)
-
-const enrollmentCount = computed(() =>
-  lectures.value.reduce((sum, lecture) => sum + lecture.enrollmentsCount, 0),
-)
 const syncMeta = computed(() =>
   syncStatus.value?.lastSyncAt
     ? `Последняя синхронизация: ${new Date(syncStatus.value.lastSyncAt).toLocaleString('ru-RU')}`
@@ -21,16 +15,8 @@ const syncMeta = computed(() =>
 )
 
 onMounted(async () => {
-  const [usersResult, lecturesResult, reviewsResult, syncResult] = await Promise.allSettled([
-    usersApi.list({ PageSize: 100 }),
-    lecturesApi.list({ PageSize: 100 }),
-    reviewsApi.listPage({ Page: 1, PageSize: 1, LlmStatus: 'Pending' }),
-    syncApi.status(),
-  ])
-  if (usersResult.status === 'fulfilled') users.value = usersResult.value
-  if (lecturesResult.status === 'fulfilled') lectures.value = lecturesResult.value
-  if (reviewsResult.status === 'fulfilled')
-    pendingReviewsCount.value = reviewsResult.value.totalCount
+  const [statsResult, syncResult] = await Promise.allSettled([usersApi.adminStats(), syncApi.status()])
+  if (statsResult.status === 'fulfilled') stats.value = statsResult.value
   if (syncResult.status === 'fulfilled') syncStatus.value = syncResult.value
 })
 </script>
@@ -40,12 +26,17 @@ onMounted(async () => {
     <h1 class="page-title">Дашборд администратора</h1>
 
     <div class="stats-row">
-      <StatsWidget label="Пользователей" :value="users.length" icon="users" color="green" />
-      <StatsWidget label="Лекций" :value="lectures.length" icon="books" color="aqua" />
-      <StatsWidget label="Записей" :value="enrollmentCount" icon="calendar-event" color="orange" />
+      <StatsWidget label="Пользователей" :value="stats?.usersCount ?? 0" icon="users" color="green" />
+      <StatsWidget label="Лекций" :value="stats?.lecturesCount ?? 0" icon="books" color="aqua" />
+      <StatsWidget
+        label="Записей"
+        :value="stats?.enrollmentsCount ?? 0"
+        icon="calendar-event"
+        color="orange"
+      />
       <StatsWidget
         label="Отзывы на проверке"
-        :value="pendingReviewsCount"
+        :value="stats?.pendingReviewsCount ?? 0"
         icon="message-circle"
         color="purple"
       />