frontend/.env.example

@@ -0,0 +1,2 @@
+VITE_API_BASE_URL=/api
+VITE_AUTH_RETURN_URL=/auth/callback

frontend/src/App.vue

@@ -10,7 +10,7 @@ import ToastNotification from '@/components/ui/ToastNotification.vue'
 const auth = useAuthStore()
 const route = useRoute()
 
-const isAuthPage = computed(() => route.path === '/login')
+const isAuthPage = computed(() => Boolean(route.meta.public))
 
 interface Toast { id: number; message: string; type: 'success' | 'error' | 'info' }
 const toasts = ref<Toast[]>([])

frontend/src/api/client.ts

@@ -0,0 +1,81 @@
+const API_BASE_URL = (import.meta.env.VITE_API_BASE_URL || '/api').replace(/\/$/, '')
+const API_PREFIX = '/v1'
+
+let accessToken: string | null = null
+
+export class ApiError extends Error {
+  constructor(
+    message: string,
+    public status: number,
+    public details?: unknown,
+  ) {
+    super(message)
+    this.name = 'ApiError'
+  }
+}
+
+export function setApiAccessToken(token: string | null) {
+  accessToken = token
+}
+
+export function getApiAccessToken() {
+  return accessToken
+}
+
+function makeUrl(path: string, query?: Record<string, unknown>) {
+  const normalizedPath = path.startsWith('/') ? path : `/${path}`
+  const url = new URL(`${API_BASE_URL}${API_PREFIX}${normalizedPath}`, window.location.origin)
+
+  Object.entries(query ?? {}).forEach(([key, value]) => {
+    if (value === undefined || value === null || value === '') return
+    url.searchParams.set(key, String(value))
+  })
+
+  return url.toString()
+}
+
+export function buildApiUrl(path: string, query?: Record<string, unknown>) {
+  return makeUrl(path, query)
+}
+
+async function parseResponse(response: Response) {
+  if (response.status === 204) return undefined
+
+  const contentType = response.headers.get('content-type') ?? ''
+  if (contentType.includes('application/json')) return response.json()
+
+  const text = await response.text()
+  return text || undefined
+}
+
+export async function apiRequest<T>(
+  path: string,
+  options: RequestInit & { query?: Record<string, unknown> } = {},
+): Promise<T> {
+  const headers = new Headers(options.headers)
+  if (!headers.has('Accept')) headers.set('Accept', 'application/json')
+  if (options.body && !headers.has('Content-Type')) headers.set('Content-Type', 'application/json')
+  if (accessToken) headers.set('Authorization', `Bearer ${accessToken}`)
+
+  const response = await fetch(makeUrl(path, options.query), {
+    ...options,
+    headers,
+    credentials: 'include',
+  })
+  const body = await parseResponse(response)
+
+  if (!response.ok) {
+    const message =
+      typeof body === 'object' && body && 'message' in body
+        ? String((body as { message: unknown }).message)
+        : `API request failed with status ${response.status}`
+    throw new ApiError(message, response.status, body)
+  }
+
+  return body as T
+}
+
+export function extractItems<T>(payload: T[] | { items?: T[] } | undefined): T[] {
+  if (Array.isArray(payload)) return payload
+  return payload?.items ?? []
+}

frontend/src/api/index.ts

@@ -0,0 +1,70 @@
+import { apiRequest, extractItems } from './client'
+import type {
+  AchievementDto,
+  AuthResponse,
+  CoinTransactionDto,
+  LectureDto,
+  LectureQuery,
+  PagedResult,
+  ReviewDto,
+  UserAchievementDto,
+  UserDto,
+  UserStatsDto,
+} from './types'
+
+export const authApi = {
+  loginMicrosoft: (authorizationCode: string, redirectUri?: string) =>
+    apiRequest<AuthResponse>('/auth/login/microsoft', {
+      method: 'POST',
+      body: JSON.stringify({ authorizationCode, redirectUri }),
+    }),
+  refresh: () => apiRequest<AuthResponse>('/auth/refresh', { method: 'POST' }),
+  logout: () => apiRequest<void>('/auth/logout', { method: 'POST' }),
+  me: () => apiRequest<UserDto>('/auth/me'),
+}
+
+export const lecturesApi = {
+  async list(query: LectureQuery = {}) {
+    const payload = await apiRequest<PagedResult<LectureDto> | LectureDto[]>('/lectures', {
+      query: query as Record<string, unknown>,
+    })
+    return extractItems(payload)
+  },
+  get: (id: string | number) => apiRequest<LectureDto>(`/lectures/${id}`),
+  enroll: (id: string | number) => apiRequest<void>(`/lectures/${id}/enroll`, { method: 'POST' }),
+  unenroll: (id: string | number) => apiRequest<void>(`/lectures/${id}/enroll`, { method: 'DELETE' }),
+  async reviews(id: string | number) {
+    const payload = await apiRequest<PagedResult<ReviewDto> | ReviewDto[]>(`/lectures/${id}/reviews`)
+    return extractItems(payload)
+  },
+}
+
+export const usersApi = {
+  get: (id: string | number) => apiRequest<UserDto>(`/users/${id}`),
+  stats: (id: string | number) => apiRequest<UserStatsDto>(`/users/${id}/stats`),
+  async enrollments(id: string | number) {
+    const payload = await apiRequest<PagedResult<LectureDto> | LectureDto[] | undefined>(`/users/${id}/enrollments`)
+    return extractItems(payload)
+  },
+  async achievements(id: string | number) {
+    const payload = await apiRequest<PagedResult<UserAchievementDto> | UserAchievementDto[] | AchievementDto[]>(
+      `/users/${id}/achievements`,
+    )
+    if (Array.isArray(payload)) return payload
+    return payload.items ?? []
+  },
+  async transactions(id: string | number) {
+    const payload = await apiRequest<PagedResult<CoinTransactionDto> | CoinTransactionDto[]>(
+      `/users/${id}/transactions`,
+    )
+    return extractItems(payload)
+  },
+}
+
+export const reviewsApi = {
+  create: (lectureId: string | number, rating: 'Like' | 'Neutral' | 'Dislike', text: string) =>
+    apiRequest<ReviewDto>('/reviews', {
+      method: 'POST',
+      body: JSON.stringify({ lectureId: Number(lectureId), rating, text }),
+    }),
+}

frontend/src/api/mappers.ts

@@ -0,0 +1,115 @@
+import type { Achievement, CoinTransaction, Lecture, Review, User, UserRole } from '@/types'
+import type {
+  AchievementDto,
+  CoinTransactionDto,
+  LectureDto,
+  ReviewDto,
+  UserAuthDto,
+  UserDto,
+  UserStatsDto,
+  UserAchievementDto,
+} from './types'
+
+export function mapApiRole(role: string | undefined): UserRole {
+  if (role === 'Teacher') return 'teacher'
+  if (role === 'Admin') return 'admin'
+  return 'student'
+}
+
+export function mapApiUser(user: UserAuthDto | UserDto, stats?: UserStatsDto): User {
+  return {
+    id: String(user.id),
+    name: user.displayName || user.email || 'Пользователь UniVerse',
+    email: user.email || '',
+    role: mapApiRole(user.role),
+    avatar: 'avatarUrl' in user ? user.avatarUrl ?? undefined : undefined,
+    institute: 'ЮФУ',
+    department: '',
+    year: 0,
+    direction: '',
+    coins: stats?.coins ?? ('coins' in user ? user.coins : 0),
+    level: stats?.level ?? ('level' in user ? user.level : 1),
+    xp: stats?.xp ?? ('xp' in user ? user.xp : 0),
+    lecturesAttended: stats?.attendedLectures ?? 0,
+    hoursLearned: stats ? Math.round(stats.attendedLectures * 1.5 * 10) / 10 : 0,
+    achievements: stats ? Array.from({ length: stats.achievementsCount }, (_, index) => String(index + 1)) : [],
+  }
+}
+
+export function mapApiLecture(lecture: LectureDto): Lecture {
+  const startsAt = new Date(lecture.startsAt)
+  const endsAt = new Date(lecture.endsAt)
+  const durationMs = endsAt.getTime() - startsAt.getTime()
+  const duration = Number.isFinite(durationMs) && durationMs > 0 ? Math.round(durationMs / 60000) : 90
+  const totalSeats = lecture.maxEnrollments || 0
+  const enrolled = lecture.enrollmentsCount || 0
+  const freeSeats = Math.max(totalSeats - enrolled, 0)
+  const locationName = lecture.locationName || (lecture.format === 'Online' ? 'Онлайн' : 'Аудитория уточняется')
+
+  return {
+    id: String(lecture.id),
+    title: lecture.title || lecture.courseName || 'Лекция без названия',
+    description: lecture.description || 'Описание появится позже.',
+    teacher: lecture.teacherName || 'Преподаватель уточняется',
+    teacherTitle: '',
+    department: '',
+    institute: lecture.courseName || 'ЮФУ',
+    date: startsAt.toISOString().slice(0, 10),
+    time: startsAt.toLocaleTimeString('ru-RU', { hour: '2-digit', minute: '2-digit' }),
+    duration,
+    building: lecture.format === 'Online' ? 'Онлайн' : locationName,
+    room: lecture.format === 'Online' ? undefined : locationName,
+    format: lecture.format === 'Online' ? 'online' : 'offline',
+    totalSeats,
+    freeSeats,
+    registrationClosed: !lecture.isOpen,
+    tags: lecture.courseName ? [`#${lecture.courseName}`] : [],
+    rating: 0,
+    reviewCount: 0,
+    status: startsAt.getTime() > Date.now() ? 'upcoming' : 'completed',
+    registered: lecture.isEnrolled,
+  }
+}
+
+export function mapApiReview(review: ReviewDto): Review {
+  const sentiment = review.sentiment === 'Negative' ? 'negative' : review.sentiment === 'Neutral' ? 'neutral' : 'positive'
+  const status =
+    review.llmStatus === 'Rejected' ? 'rejected' : review.llmStatus === 'Analyzed' ? 'done' : 'pending'
+
+  return {
+    id: String(review.id),
+    lectureId: String(review.lectureId),
+    userId: String(review.userId),
+    userName: review.userName || 'Анонимный отзыв',
+    text: review.text || '',
+    sentiment,
+    createdAt: review.createdAt,
+    status,
+    quality: review.qualityScore ?? undefined,
+  }
+}
+
+export function mapApiAchievement(input: AchievementDto | UserAchievementDto): Achievement {
+  const dto = 'achievement' in input ? input.achievement : input
+  const awardedAt = 'achievement' in input ? input.awardedAt : undefined
+
+  return {
+    id: String(dto.id),
+    title: dto.name || 'Достижение',
+    description: dto.description || dto.condition || '',
+    icon: dto.iconUrl || '⭐',
+    unlocked: Boolean(awardedAt),
+    unlockedAt: awardedAt,
+    coins: dto.coinReward,
+  }
+}
+
+export function mapApiCoinTransaction(transaction: CoinTransactionDto): CoinTransaction {
+  return {
+    id: String(transaction.id),
+    date: transaction.createdAt.slice(0, 10),
+    description: transaction.description || transaction.type,
+    amount: transaction.amount,
+    type: transaction.amount >= 0 ? 'earned' : 'spent',
+  }
+}

frontend/src/api/types.ts

@@ -0,0 +1,132 @@
+export type ApiUserRole = 'Student' | 'Teacher' | 'Admin'
+export type ApiLectureFormat = 'Online' | 'Offline'
+export type ApiReviewRating = 'Like' | 'Neutral' | 'Dislike'
+export type ApiReviewLlmStatus = 'Pending' | 'Analyzed' | 'Rejected'
+export type ApiReviewSentiment = 'Positive' | 'Neutral' | 'Negative'
+export type ApiCoinTransactionType =
+  | 'ReviewReward'
+  | 'AchievementReward'
+  | 'AttendanceReward'
+  | 'AdminAdjustment'
+
+export interface PagedResult<T> {
+  items: T[]
+  totalCount: number
+  page: number
+  pageSize: number
+  totalPages: number
+}
+
+export interface AuthResponse {
+  accessToken: string
+  expiresAt: string
+  user: UserAuthDto
+}
+
+export interface LoginMicrosoftRequest {
+  authorizationCode: string
+  redirectUri?: string
+}
+
+export interface UserAuthDto {
+  id: number
+  email: string
+  displayName?: string | null
+  role: ApiUserRole
+}
+
+export interface UserDto extends UserAuthDto {
+  avatarUrl?: string | null
+  isActive: boolean
+  xp: number
+  coins: number
+  level: number
+  createdAt: string
+}
+
+export interface UserStatsDto {
+  totalLectures: number
+  attendedLectures: number
+  totalReviews: number
+  xp: number
+  coins: number
+  level: number
+  achievementsCount: number
+}
+
+export interface LectureDto {
+  id: number
+  courseId: number
+  courseName?: string | null
+  teacherId?: number | null
+  teacherName?: string | null
+  locationId?: number | null
+  locationName?: string | null
+  title?: string | null
+  description?: string | null
+  format: ApiLectureFormat
+  startsAt: string
+  endsAt: string
+  isOpen: boolean
+  maxEnrollments: number
+  enrollmentsCount: number
+  onlineUrl?: string | null
+  createdAt: string
+  isEnrolled?: boolean
+}
+
+export interface ReviewDto {
+  id: number
+  lectureId: number
+  lectureTitle?: string | null
+  userId: number
+  userName?: string | null
+  rating: ApiReviewRating
+  text?: string | null
+  llmStatus: ApiReviewLlmStatus
+  sentiment: ApiReviewSentiment
+  qualityScore?: number | null
+  isInformative?: boolean | null
+  llmTags?: string[] | null
+  createdAt: string
+}
+
+export interface AchievementDto {
+  id: number
+  name?: string | null
+  description?: string | null
+  iconUrl?: string | null
+  xpReward: number
+  coinReward: number
+  condition?: string | null
+  createdAt: string
+}
+
+export interface UserAchievementDto {
+  id: number
+  achievement: AchievementDto
+  awardedAt: string
+}
+
+export interface CoinTransactionDto {
+  id: number
+  amount: number
+  type: ApiCoinTransactionType
+  reviewId?: number | null
+  achievementId?: number | null
+  description?: string | null
+  createdAt: string
+}
+
+export interface LectureQuery {
+  DateFrom?: string
+  DateTo?: string
+  CourseId?: number
+  TeacherId?: number
+  Format?: ApiLectureFormat
+  IsOpen?: boolean
+  TagId?: number
+  Search?: string
+  Page?: number
+  PageSize?: number
+}

frontend/src/components/layout/AppSidebar.vue

@@ -54,7 +54,7 @@ function isActive(to: string) {
     </nav>
 
     <div class="sidebar-footer">
-      <button class="logout-btn" @click="auth.logout(); router.push('/login')">
+      <button class="logout-btn" @click="auth.logout().then(() => router.push('/login'))">
         🚪 Выйти
       </button>
     </div>

frontend/src/router/index.ts

@@ -5,6 +5,12 @@ const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
   routes: [
     { path: '/login', name: 'login', component: () => import('@/views/auth/LoginView.vue'), meta: { public: true } },
+    {
+      path: '/auth/callback',
+      name: 'auth-callback',
+      component: () => import('@/views/auth/AuthCallbackView.vue'),
+      meta: { public: true },
+    },
 
     // Student
     { path: '/', name: 'dashboard', component: () => import('@/views/student/DashboardView.vue'), meta: { role: 'student' } },
@@ -31,8 +37,11 @@ const router = createRouter({
   ],
 })
 
-router.beforeEach((to) => {
+router.beforeEach(async (to) => {
   const auth = useAuthStore()
+  if (!auth.initialized && !to.meta.public) {
+    await auth.initialize()
+  }
   if (!to.meta.public && !auth.isAuthenticated) {
     return '/login'
   }

frontend/src/stores/auth.ts

@@ -1,90 +1,159 @@
 import { defineStore } from 'pinia'
-import { ref } from 'vue'
-import type { User, UserRole } from '@/types'
+import { computed, ref } from 'vue'
+import { authApi } from '@/api'
+import { mapApiUser } from '@/api/mappers'
+import { buildApiUrl, setApiAccessToken } from '@/api/client'
+import type { AuthResponse } from '@/api/types'
+import type { User } from '@/types'
 
-const defaultUsers: Record<UserRole, User> = {
-  student: {
-    id: 'stu-1',
-    name: 'Алексей Морозов',
-    email: 'a.morozov@sfedu.ru',
-    role: 'student',
-    institute: 'ИКТИБ',
-    department: 'Программная инженерия',
-    year: 3,
-    direction: 'Программная инженерия',
-    coins: 340,
-    level: 3,
-    xp: 120,
-    lecturesAttended: 12,
-    hoursLearned: 18.5,
-    achievements: ['1', '2', '3'],
-  },
-  teacher: {
-    id: 't-1',
-    name: 'Михаил Сергеевич Волков',
-    email: 'm.volkov@sfedu.ru',
-    role: 'teacher',
-    institute: 'ИКТИБ',
-    department: 'каф. Информатики',
-    year: 0,
-    direction: 'Информатика и вычислительная техника',
-    coins: 90,
-    level: 4,
-    xp: 240,
-    lecturesAttended: 24,
-    hoursLearned: 56,
-    achievements: ['1', '2', '3', '4'],
-  },
-  admin: {
-    id: 'adm-1',
-    name: 'Виктор Алексеев',
-    email: 'admin@sfedu.ru',
-    role: 'admin',
-    institute: 'ЮФУ',
-    department: 'Администрация',
-    year: 0,
-    direction: 'Цифровое развитие',
-    coins: 0,
-    level: 5,
-    xp: 500,
-    lecturesAttended: 0,
-    hoursLearned: 0,
-    achievements: [],
-  },
+const TOKEN_STORAGE_KEY = 'universe.accessToken'
+
+function applyAuthResponse(response: AuthResponse) {
+  localStorage.setItem(TOKEN_STORAGE_KEY, response.accessToken)
+  setApiAccessToken(response.accessToken)
+  return mapApiUser(response.user)
+}
+
+function getAuthReturnUrl() {
+  return import.meta.env.VITE_AUTH_RETURN_URL || '/auth/callback'
+}
+
+function getAbsoluteAuthReturnUrl() {
+  return new URL(getAuthReturnUrl(), window.location.origin).toString()
 }
 
 export const useAuthStore = defineStore('auth', () => {
   const user = ref<User | null>(null)
-  const isAuthenticated = ref(false)
   const loading = ref(false)
+  const initialized = ref(false)
   const error = ref<string | null>(null)
+  const accessToken = ref<string | null>(localStorage.getItem(TOKEN_STORAGE_KEY))
 
-  async function login(role: UserRole = 'student', shouldFail = false) {
+  if (accessToken.value) setApiAccessToken(accessToken.value)
+
+  const isAuthenticated = computed(() => Boolean(user.value && accessToken.value))
+
+  async function hydrateFromResponse(response: AuthResponse) {
+    accessToken.value = response.accessToken
+    user.value = applyAuthResponse(response)
+    error.value = null
+  }
+
+  async function initialize() {
+    if (initialized.value) return isAuthenticated.value
     loading.value = true
     error.value = null
-    await new Promise(r => setTimeout(r, 800))
-    if (shouldFail) {
-      loading.value = false
-      error.value = 'Не удалось подтвердить доступ через ЮФУ. Попробуйте еще раз.'
-      return false
+
+    try {
+      const refreshed = await authApi.refresh()
+      await hydrateFromResponse(refreshed)
+      const me = await authApi.me()
+      user.value = mapApiUser(me)
+      return true
+    } catch (refreshError) {
+      if (accessToken.value) {
+        try {
+          const me = await authApi.me()
+          user.value = mapApiUser(me)
+          return true
+        } catch {
+          // Fall through to local cleanup below.
         }
-    user.value = { ...defaultUsers[role] }
-    isAuthenticated.value = true
+      }
+      clearSession()
+      error.value = refreshError instanceof Error ? refreshError.message : null
+      return false
+    } finally {
+      initialized.value = true
       loading.value = false
+    }
+  }
+
+  function startMicrosoftLogin() {
+    window.location.assign(buildApiUrl('/auth/login/microsoft', { returnUrl: getAuthReturnUrl() }))
     return true
   }
 
-  function logout() {
+  async function completeMicrosoftLogin(code: string, state: string | null) {
+    loading.value = true
+    error.value = null
+    try {
+      const redirectUri = getAbsoluteAuthReturnUrl()
+      const response = await authApi.loginMicrosoft(code, redirectUri)
+      await hydrateFromResponse(response)
+      initialized.value = true
+      return true
+    } catch (err) {
+      clearSession()
+      error.value = err instanceof Error ? err.message : 'Ошибка авторизации через Microsoft.'
+      throw err
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function completeTokenLogin(token: string) {
+    loading.value = true
+    error.value = null
+    try {
+      accessToken.value = token
+      localStorage.setItem(TOKEN_STORAGE_KEY, token)
+      setApiAccessToken(token)
+      const me = await authApi.me()
+      user.value = mapApiUser(me)
+      initialized.value = true
+      return true
+    } catch (err) {
+      clearSession()
+      error.value = err instanceof Error ? err.message : 'Не удалось получить пользователя после входа.'
+      throw err
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function logout() {
+    loading.value = true
+    try {
+      await authApi.logout()
+    } catch {
+      // Local cleanup is still correct if the server session is already gone.
+    } finally {
+      clearSession()
+      initialized.value = true
+      loading.value = false
+    }
+  }
+
+  function clearSession() {
     user.value = null
-    isAuthenticated.value = false
+    accessToken.value = null
+    localStorage.removeItem(TOKEN_STORAGE_KEY)
+    setApiAccessToken(null)
   }
 
-  function switchRole(role?: UserRole) {
-    if (!user.value) return
-    const roles: UserRole[] = ['student', 'teacher', 'admin']
-    const nextRole = (role ?? roles[(roles.indexOf(user.value.role) + 1) % roles.length]) as UserRole
-    user.value = { ...defaultUsers[nextRole] }
+  function setUser(nextUser: User) {
+    user.value = nextUser
   }
 
-  return { user, isAuthenticated, loading, error, login, logout, switchRole }
+  function switchRole() {
+    error.value = 'Смена роли доступна только через backend.'
+  }
+
+  return {
+    user,
+    accessToken,
+    isAuthenticated,
+    loading,
+    initialized,
+    error,
+    initialize,
+    startMicrosoftLogin,
+    completeMicrosoftLogin,
+    completeTokenLogin,
+    logout,
+    clearSession,
+    setUser,
+    switchRole,
+  }
 })

frontend/src/stores/lectures.ts

@@ -1,163 +1,115 @@
 import { defineStore } from 'pinia'
 import { computed, ref } from 'vue'
-import type { Lecture } from '@/types'
-
-export const LECTURES: Lecture[] = [
-  {
-    id: '1',
-    title: 'Введение в нейронные сети и глубокое обучение',
-    description: 'Лекция охватывает базовые концепции нейронных сетей: перцептрон, многослойные сети, метод обратного распространения ошибки, а также современные архитектуры — CNN, RNN, Transformer. Рассматриваются практические примеры на Python с использованием PyTorch.',
-    teacher: 'Волков М.С.',
-    teacherTitle: 'Профессор',
-    department: 'каф. Информатики',
-    institute: 'ИКТИБ',
-    date: '2025-05-07',
-    time: '14:00',
-    duration: 90,
-    building: 'ИКТИБ',
-    room: '305',
-    format: 'offline',
-    totalSeats: 30,
-    freeSeats: 12,
-    tags: ['#ML', '#ИИ', '#Python', '#нейросети'],
-    rating: 4.8,
-    reviewCount: 24,
-    status: 'upcoming',
-  },
-  {
-    id: '2',
-    title: 'Квантовые вычисления: от теории к практике',
-    description: 'Обзор квантовых алгоритмов и их применения. Рассматриваются кубиты, суперпозиция, запутанность, алгоритмы Шора и Гровера, а также введение в программирование на Qiskit.',
-    teacher: 'Петров А.И.',
-    teacherTitle: 'Доцент',
-    department: 'каф. Теоретической физики',
-    institute: 'ИФиМКН',
-    date: '2025-05-08',
-    time: '16:00',
-    duration: 120,
-    building: 'ИФиМКН',
-    room: '201',
-    format: 'offline',
-    totalSeats: 25,
-    freeSeats: 5,
-    tags: ['#квантовые-вычисления', '#физика', '#алгоритмы'],
-    rating: 4.6,
-    reviewCount: 18,
-    status: 'upcoming',
-  },
-  {
-    id: '3',
-    title: 'Современные методы биоинформатики',
-    description: 'Введение в биоинформатику: анализ последовательностей ДНК/РНК, геномная сборка, аннотация генов, инструменты BLAST, Biopython. Актуальные задачи вычислительной биологии.',
-    teacher: 'Смирнова Е.В.',
-    teacherTitle: 'Доктор биологических наук',
-    department: 'каф. Биологии',
-    institute: 'АГиС',
-    date: '2025-05-09',
-    time: '10:00',
-    duration: 90,
-    building: 'АГиС',
-    room: '118',
-    format: 'offline',
-    totalSeats: 20,
-    freeSeats: 2,
-    tags: ['#биоинформатика', '#генетика', '#Python'],
-    rating: 4.7,
-    reviewCount: 31,
-    status: 'upcoming',
-  },
-  {
-    id: '4',
-    title: 'Философия цифровой эпохи',
-    description: 'Как цифровые технологии меняют мышление, идентичность и общество. Тема охватывает этику ИИ, постгуманизм, цифровой дуализм и проблему сознания в эпоху автоматизации.',
-    teacher: 'Дмитриев К.О.',
-    teacherTitle: 'Кандидат философских наук',
-    department: 'каф. Философии',
-    institute: 'ИФиСН',
-    date: '2025-05-10',
-    time: '18:00',
-    duration: 90,
-    building: 'Онлайн',
-    format: 'online',
-    totalSeats: 40,
-    freeSeats: 16,
-    tags: ['#философия', '#этика', '#ИИ'],
-    rating: 4.5,
-    reviewCount: 42,
-    status: 'upcoming',
-  },
-  {
-    id: '5',
-    title: 'Право в информационном обществе',
-    description: 'Правовые аспекты работы с данными: GDPR, ФЗ-152, авторское право в сети, кибербезопасность с точки зрения права, ответственность разработчиков и операторов персональных данных.',
-    teacher: 'Захарова Н.А.',
-    teacherTitle: 'Доцент',
-    department: 'каф. Гражданского права',
-    institute: 'ЮФ',
-    date: '2025-05-12',
-    time: '15:30',
-    duration: 90,
-    building: 'ЮФ',
-    room: '412',
-    format: 'offline',
-    totalSeats: 30,
-    freeSeats: 0,
-    registrationClosed: true,
-    tags: ['#право', '#данные', '#GDPR'],
-    rating: 4.4,
-    reviewCount: 15,
-    status: 'upcoming',
-  },
-  {
-    id: '6',
-    title: 'Нейромаркетинг и поведение потребителей',
-    description: 'Как нейронауки применяются в маркетинге: eye-tracking, EEG-анализ реакций, влияние UX на покупки, нейропсихология принятия решений и кейсы ведущих брендов.',
-    teacher: 'Орлов П.Р.',
-    teacherTitle: 'Кандидат экономических наук',
-    department: 'каф. Маркетинга',
-    institute: 'ИУЭиП',
-    date: '2025-05-14',
-    time: '11:00',
-    duration: 120,
-    building: 'Онлайн',
-    format: 'online',
-    totalSeats: 35,
-    freeSeats: 27,
-    tags: ['#маркетинг', '#нейронауки', '#поведение'],
-    rating: 4.3,
-    reviewCount: 9,
-    status: 'upcoming',
-  },
-]
+import { lecturesApi, usersApi } from '@/api'
+import { mapApiLecture, mapApiReview } from '@/api/mappers'
+import type { Lecture, Review } from '@/types'
 
 export const useLecturesStore = defineStore('lectures', () => {
-  const lectures = ref<Lecture[]>(LECTURES)
-  const registered = ref<string[]>(['1', '3'])
+  const lectures = ref<Lecture[]>([])
+  const registered = ref<string[]>([])
+  const reviewsByLecture = ref<Record<string, Review[]>>({})
+  const loading = ref(false)
+  const error = ref<string | null>(null)
 
   const all = computed(() => lectures.value)
   const registeredIds = computed(() => registered.value)
   const registeredLectures = computed(() =>
-    lectures.value.filter(l => registered.value.includes(l.id))
+    lectures.value.filter(l => registered.value.includes(l.id) || l.registered),
   )
 
-  function register(lectureId: string) {
-    if (!registered.value.includes(lectureId)) {
-      const l = lectures.value.find(x => x.id === lectureId)
-      if (!l || l.freeSeats === 0 || l.registrationClosed) return
-      registered.value.push(lectureId)
-      l.freeSeats--
+  async function fetchLectures() {
+    loading.value = true
+    error.value = null
+    try {
+      const payload = await lecturesApi.list({ PageSize: 100 })
+      lectures.value = payload.map(mapApiLecture)
+      registered.value = lectures.value.filter(l => l.registered).map(l => l.id)
+    } catch (err) {
+      error.value = err instanceof Error ? err.message : 'Не удалось загрузить лекции.'
+    } finally {
+      loading.value = false
     }
   }
 
-  function unregister(lectureId: string) {
+  async function fetchLecture(id: string) {
+    error.value = null
+    try {
+      const lecture = mapApiLecture(await lecturesApi.get(id))
+      const index = lectures.value.findIndex(item => item.id === lecture.id)
+      if (index >= 0) lectures.value[index] = lecture
+      else lectures.value.push(lecture)
+      if (lecture.registered && !registered.value.includes(lecture.id)) registered.value.push(lecture.id)
+      return lecture
+    } catch (err) {
+      error.value = err instanceof Error ? err.message : 'Не удалось загрузить лекцию.'
+      return lectures.value.find(item => item.id === id)
+    }
+  }
+
+  async function fetchRegisteredForUser(userId: string) {
+    try {
+      const enrollments = await usersApi.enrollments(userId)
+      const mapped = enrollments.map(mapApiLecture)
+      if (mapped.length) {
+        mapped.forEach(lecture => {
+          const index = lectures.value.findIndex(item => item.id === lecture.id)
+          if (index >= 0) lectures.value[index] = { ...lectures.value[index], ...lecture, registered: true }
+          else lectures.value.push({ ...lecture, registered: true })
+        })
+        registered.value = mapped.map(lecture => lecture.id)
+      }
+    } catch {
+      // Some backend builds return an empty 200 for this endpoint; catalog detail still carries isEnrolled.
+    }
+  }
+
+  async function fetchReviews(lectureId: string) {
+    try {
+      reviewsByLecture.value[lectureId] = (await lecturesApi.reviews(lectureId)).map(mapApiReview)
+    } catch {
+      reviewsByLecture.value[lectureId] = []
+    }
+  }
+
+  async function register(lectureId: string) {
+    const lecture = lectures.value.find(item => item.id === lectureId)
+    if (!lecture || lecture.freeSeats === 0 || lecture.registrationClosed || registered.value.includes(lectureId)) return
+
+    await lecturesApi.enroll(lectureId)
+    registered.value.push(lectureId)
+    lecture.freeSeats = Math.max(lecture.freeSeats - 1, 0)
+    lecture.registered = true
+  }
+
+  async function unregister(lectureId: string) {
+    await lecturesApi.unenroll(lectureId)
     registered.value = registered.value.filter(id => id !== lectureId)
-    const l = lectures.value.find(x => x.id === lectureId)
-    if (l) l.freeSeats++
+    const lecture = lectures.value.find(item => item.id === lectureId)
+    if (lecture) {
+      lecture.freeSeats = Math.min(lecture.freeSeats + 1, lecture.totalSeats)
+      lecture.registered = false
+    }
   }
 
   function isRegistered(lectureId: string) {
     return registered.value.includes(lectureId)
   }
 
-  return { lectures, registered, all, registeredIds, registeredLectures, register, unregister, isRegistered }
+  return {
+    lectures,
+    registered,
+    reviewsByLecture,
+    loading,
+    error,
+    all,
+    registeredIds,
+    registeredLectures,
+    fetchLectures,
+    fetchLecture,
+    fetchRegisteredForUser,
+    fetchReviews,
+    register,
+    unregister,
+    isRegistered,
+  }
 })

frontend/src/stores/user.ts

@@ -1,37 +1,50 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
-import type { Achievement, Notification, CoinTransaction } from '@/types'
+import { usersApi } from '@/api'
+import { mapApiAchievement, mapApiCoinTransaction } from '@/api/mappers'
+import type { Achievement, CoinTransaction, Notification } from '@/types'
+import { useAuthStore } from './auth'
 
 export const useUserStore = defineStore('user', () => {
-  const achievements = ref<Achievement[]>([
-    { id: '1', title: 'Первый отзыв', description: 'Оставьте первый отзыв о лекции', icon: '⭐', unlocked: true, unlockedAt: '2025-04-10', coins: 20 },
-    { id: '2', title: 'Межфакультетский исследователь', description: 'Посетите лекции 3 разных институтов', icon: '🔭', unlocked: true, unlockedAt: '2025-04-18', coins: 50 },
-    { id: '3', title: '10 часов лекций', description: 'Наберите 10 часов посещённых лекций', icon: '⏱', unlocked: true, unlockedAt: '2025-04-25', coins: 30 },
-    { id: '4', title: 'Полезный критик', description: 'Получите 5 монет за качественный отзыв', icon: '💡', unlocked: false },
-    { id: '5', title: 'Знаток науки', description: 'Посетите лекции по 5 разным тематикам', icon: '🎓', unlocked: false },
-    { id: '6', title: 'Ранний пташка', description: 'Запишитесь на лекцию за 7 дней до начала', icon: '🌅', unlocked: false },
-    { id: '7', title: 'Социальная бабочка', description: 'Приведите друга на межфакультетскую лекцию', icon: '🦋', unlocked: false },
+  const achievements = ref<Achievement[]>([])
+  const notifications = ref<Notification[]>([])
+  const coinHistory = ref<CoinTransaction[]>([])
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+
+  async function fetchStudentData(userId?: string) {
+    const auth = useAuthStore()
+    const id = userId ?? auth.user?.id
+    if (!id) return
+
+    loading.value = true
+    error.value = null
+    try {
+      const [stats, achievementPayload, transactions] = await Promise.all([
+        usersApi.stats(id),
+        usersApi.achievements(id),
+        usersApi.transactions(id),
       ])
 
-  const notifications = ref<Notification[]>([
-    { id: '1', type: 'reminder', title: 'Напоминание о лекции', body: 'Завтра в 14:00 — «Введение в нейронные сети». Ауд. 305, ИКТИБ', read: false, createdAt: '2025-05-06T09:00:00' },
-    { id: '2', type: 'coins', title: 'Начислено 20 монет', body: 'Ваш отзыв о лекции «Квантовые вычисления» признан полезным', read: false, createdAt: '2025-05-05T18:30:00' },
-    { id: '3', type: 'achievement', title: 'Новое достижение!', body: 'Вы получили значок «Межфакультетский исследователь» 🔭', read: false, createdAt: '2025-05-04T12:00:00' },
-    { id: '4', type: 'recommendation', title: 'Рекомендация для вас', body: 'Новая лекция «Нейромаркетинг» — может быть интересна вам', read: true, createdAt: '2025-05-03T10:00:00' },
-    { id: '5', type: 'schedule-change', title: 'Изменение расписания', body: 'Лекция «Философия цифровой эпохи» перенесена с 18:00 на 19:00', read: true, createdAt: '2025-05-02T16:00:00' },
-    { id: '6', type: 'coins', title: 'Начислено 30 монет', body: 'Поздравляем с достижением «10 часов лекций»!', read: true, createdAt: '2025-04-25T11:00:00' },
-  ])
-
-  const coinHistory = ref<CoinTransaction[]>([
-    { id: '1', date: '2025-05-05', description: 'Полезный отзыв о лекции', amount: 20, type: 'earned' },
-    { id: '2', date: '2025-04-25', description: 'Достижение «10 часов лекций»', amount: 30, type: 'earned' },
-    { id: '3', date: '2025-04-18', description: 'Достижение «Исследователь»', amount: 50, type: 'earned' },
-    { id: '4', date: '2025-04-10', description: 'Первый отзыв', amount: 20, type: 'earned' },
-    { id: '5', date: '2025-04-05', description: 'Покупка стикерпака ЮФУ', amount: -80, type: 'spent' },
-    { id: '6', date: '2025-03-20', description: 'Посещение серии лекций', amount: 60, type: 'earned' },
-    { id: '7', date: '2025-03-10', description: 'Покупка термокружки ЮФУ', amount: -120, type: 'spent' },
-    { id: '8', date: '2025-02-28', description: 'Первое посещение лекции вне факультета', amount: 40, type: 'earned' },
-  ])
+      if (auth.user) {
+        auth.setUser({
+          ...auth.user,
+          coins: stats.coins,
+          level: stats.level,
+          xp: stats.xp,
+          lecturesAttended: stats.attendedLectures,
+          hoursLearned: Math.round(stats.attendedLectures * 1.5 * 10) / 10,
+          achievements: Array.from({ length: stats.achievementsCount }, (_, index) => String(index + 1)),
+        })
+      }
+      achievements.value = achievementPayload.map(mapApiAchievement)
+      coinHistory.value = transactions.map(mapApiCoinTransaction)
+    } catch (err) {
+      error.value = err instanceof Error ? err.message : 'Не удалось загрузить данные профиля.'
+    } finally {
+      loading.value = false
+    }
+  }
 
   function markAllRead() {
     notifications.value.forEach(n => (n.read = true))
@@ -39,5 +52,14 @@ export const useUserStore = defineStore('user', () => {
 
   const unreadCount = () => notifications.value.filter(n => !n.read).length
 
-  return { achievements, notifications, coinHistory, markAllRead, unreadCount }
+  return {
+    achievements,
+    notifications,
+    coinHistory,
+    loading,
+    error,
+    fetchStudentData,
+    markAllRead,
+    unreadCount,
+  }
 })

frontend/src/views/auth/AuthCallbackView.vue

@@ -0,0 +1,67 @@
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { useAuthStore } from '@/stores/auth'
+
+const route = useRoute()
+const router = useRouter()
+const auth = useAuthStore()
+const message = ref('Завершаем вход через Microsoft...')
+
+onMounted(async () => {
+  const code = typeof route.query.code === 'string' ? route.query.code : ''
+  const state = typeof route.query.state === 'string' ? route.query.state : null
+  const error = typeof route.query.error_description === 'string' ? route.query.error_description : ''
+  const hashParams = new URLSearchParams(window.location.hash.replace(/^#/, ''))
+  const accessToken = hashParams.get('access_token')
+
+  try {
+    if (error) throw new Error(error)
+    if (accessToken) await auth.completeTokenLogin(accessToken)
+    else if (code) await auth.completeMicrosoftLogin(code, state)
+    else throw new Error('Microsoft не вернул токен авторизации.')
+
+    window.history.replaceState({}, document.title, window.location.pathname)
+    const role = auth.user?.role
+    if (role === 'teacher') await router.replace('/teacher')
+    else if (role === 'admin') await router.replace('/admin')
+    else await router.replace('/')
+  } catch (err) {
+    message.value = err instanceof Error ? err.message : 'Не удалось завершить авторизацию.'
+    window.setTimeout(() => router.replace({ path: '/login', query: { error: message.value } }), 1600)
+  }
+})
+</script>
+
+<template>
+  <div class="callback-bg">
+    <div class="callback-card">
+      <div class="spinner"></div>
+      <h1>Вход в UniVerse</h1>
+      <p>{{ message }}</p>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.callback-bg {
+  min-height: 100vh;
+  background: var(--gradient-bg);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px;
+}
+.callback-card {
+  width: min(420px, 100%);
+  background: rgba(255,255,255,0.86);
+  border: 1px solid var(--color-border-glass);
+  border-radius: var(--radius-lg);
+  padding: 32px;
+  text-align: center;
+  box-shadow: 0 24px 70px rgba(0,0,0,0.12);
+}
+.spinner { margin: 0 auto 16px; }
+h1 { font-size: 24px; margin: 0 0 8px; }
+p { color: var(--color-text-secondary); margin: 0; }
+</style>

frontend/src/views/auth/LoginView.vue

@@ -1,34 +1,21 @@
 <script setup lang="ts">
 import { ref } from 'vue'
-import { useRouter } from 'vue-router'
+import { useRoute } from 'vue-router'
 import { useAuthStore } from '@/stores/auth'
-import type { UserRole } from '@/types'
 
 const auth = useAuthStore()
-const router = useRouter()
+const route = useRoute()
 const error = ref('')
 const loading = ref(false)
-const selectedRole = ref<UserRole>('student')
-const simulateError = ref(false)
 
-const roleOptions: Array<{ label: string; role: UserRole }> = [
-  { label: '🎓 Студент', role: 'student' },
-  { label: '👩‍🏫 Преподаватель', role: 'teacher' },
-  { label: '🛡️ Администратор', role: 'admin' },
-]
+if (typeof route.query.error === 'string') error.value = route.query.error
 
 async function login() {
   loading.value = true
   error.value = ''
-  const ok = await auth.login(selectedRole.value, simulateError.value)
+  const ok = auth.startMicrosoftLogin()
   loading.value = false
-  if (ok) {
-    if (selectedRole.value === 'teacher') router.push('/teacher')
-    else if (selectedRole.value === 'admin') router.push('/admin')
-    else router.push('/')
-  } else {
-    error.value = auth.error ?? 'Ошибка авторизации. Проверьте доступ и попробуйте снова.'
-  }
+  if (!ok) error.value = auth.error ?? 'Не удалось начать вход через Microsoft.'
 }
 </script>
 
@@ -46,21 +33,6 @@ async function login() {
         Получайте рекомендации, оставляйте отзывы и зарабатывайте монеты за полезную обратную связь.
       </div>
 
-      <div class="role-select">
-        <p class="demo-label">Роль для демонстрации:</p>
-        <div class="role-options">
-          <button
-            v-for="opt in roleOptions"
-            :key="opt.role"
-            class="role-option"
-            :class="{ active: selectedRole === opt.role }"
-            @click="selectedRole = opt.role"
-          >
-            {{ opt.label }}
-          </button>
-        </div>
-      </div>
-
       <div class="login-actions">
         <button class="btn-primary btn-full" type="button" :disabled="loading" @click="login">
           <span v-if="loading" class="spinner-inline">
@@ -68,10 +40,6 @@ async function login() {
           </span>
           {{ loading ? 'Вход...' : 'Войти через ЮФУ (Microsoft Entra ID)' }}
         </button>
-        <label class="toggle">
-          <input type="checkbox" v-model="simulateError" />
-          Показать ошибку авторизации
-        </label>
         <div class="error" v-if="error">⚠️ {{ error }}</div>
       </div>
 
@@ -125,39 +93,8 @@ async function login() {
   padding: 14px 16px;
   border: 1px solid var(--color-border-glass);
 }
-.demo-label {
-  font-size: 12px;
-  color: var(--color-text-secondary);
-  font-weight: 600;
-  text-transform: uppercase;
-  margin-bottom: 8px;
-}
-.role-options { display: flex; flex-wrap: wrap; gap: 8px; }
-.role-option {
-  background: rgba(255,255,255,0.6);
-  border: 1px solid var(--color-border-glass);
-  border-radius: var(--radius-sm);
-  padding: 8px 12px;
-  font-size: 13px;
-  font-weight: 600;
-  cursor: pointer;
-  transition: all 0.2s;
-  color: var(--color-text);
-}
-.role-option.active {
-  border-color: var(--color-primary);
-  background: rgba(34,197,94,0.12);
-  color: var(--color-primary-dark);
-}
 .login-actions { display: flex; flex-direction: column; gap: 10px; }
 .btn-full { width: 100%; justify-content: center; }
-.toggle {
-  font-size: 12px;
-  color: var(--color-text-secondary);
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
 .error {
   font-size: 13px;
   color: var(--color-error);

frontend/src/views/student/AchievementsView.vue

@@ -1,10 +1,13 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, onMounted } from 'vue'
+import { useAuthStore } from '@/stores/auth'
 import { useUserStore } from '@/stores/user'
 import GlassCard from '@/components/ui/GlassCard.vue'
 import AchievementBadge from '@/components/ui/AchievementBadge.vue'
+import EmptyState from '@/components/ui/EmptyState.vue'
 
 const userStore = useUserStore()
+const auth = useAuthStore()
 const unlocked = computed(() => userStore.achievements.filter(a => a.unlocked))
 const locked = computed(() => userStore.achievements.filter(a => !a.unlocked))
 
@@ -14,6 +17,10 @@ const rewards = [
   { id: 'r3', title: 'Доп. консультация преподавателя', price: 220, available: false },
   { id: 'r4', title: 'Цифровой бейдж «Research Explorer»', price: 60, available: true },
 ]
+
+onMounted(() => {
+  if (auth.user) void userStore.fetchStudentData(auth.user.id)
+})
 </script>
 
 <template>
@@ -22,7 +29,12 @@ const rewards = [
 
     <section>
       <h2 class="section-title">Полученные достижения</h2>
-      <div class="list">
+      <EmptyState
+        v-if="!unlocked.length"
+        title="Полученных достижений пока нет"
+        subtitle="Они появятся после участия в лекциях и отзывах."
+      />
+      <div v-else class="list">
         <AchievementBadge
           v-for="a in unlocked"
           :key="a.id"
@@ -38,7 +50,12 @@ const rewards = [
 
     <section>
       <h2 class="section-title">Заблокированные</h2>
-      <div class="list">
+      <EmptyState
+        v-if="!locked.length"
+        title="Нет заблокированных достижений"
+        subtitle="Backend пока не вернул список будущих достижений."
+      />
+      <div v-else class="list">
         <AchievementBadge
           v-for="a in locked"
           :key="a.id"

frontend/src/views/student/CatalogView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, inject, ref } from 'vue'
+import { computed, inject, onMounted, ref } from 'vue'
 import { useLecturesStore } from '@/stores/lectures'
 import SearchInput from '@/components/ui/SearchInput.vue'
 import LectureCard from '@/components/ui/LectureCard.vue'
@@ -21,6 +21,10 @@ const onlyFree = ref(false)
 const filtersOpen = ref(false)
 const addToast = inject('addToast') as ((message: string, type?: 'success' | 'error' | 'info') => void) | undefined
 
+onMounted(() => {
+  if (!lecturesStore.all.length) void lecturesStore.fetchLectures()
+})
+
 const tagFilters = ref([
   { label: '#ML', value: '#ML', active: false },
   { label: '#ИИ', value: '#ИИ', active: false },
@@ -97,9 +101,13 @@ const calendarGroups = computed(() => {
   return Object.entries(groups)
 })
 
-function registerLecture(id: string) {
-  lecturesStore.register(id)
+async function registerLecture(id: string) {
+  try {
+    await lecturesStore.register(id)
     addToast?.('Вы записаны на лекцию. Напоминание придет за сутки.', 'success')
+  } catch (err) {
+    addToast?.(err instanceof Error ? err.message : 'Не удалось записаться на лекцию.', 'error')
+  }
 }
 </script>
 
@@ -179,7 +187,15 @@ function registerLecture(id: string) {
       </div>
     </div>
 
-    <div v-if="filtered.length === 0">
+    <GlassCard v-if="lecturesStore.loading">
+      <div class="text-secondary">Загружаем лекции...</div>
+    </GlassCard>
+
+    <div v-else-if="lecturesStore.error">
+      <EmptyState title="Не удалось загрузить каталог" :subtitle="lecturesStore.error" />
+    </div>
+
+    <div v-else-if="filtered.length === 0">
       <EmptyState title="Нет результатов" subtitle="Попробуйте изменить фильтры или сбросить поиск." />
     </div>
 
@@ -212,7 +228,13 @@ function registerLecture(id: string) {
             </span>
           </template>
           <template #action="{ row }">
-            <button class="btn-primary btn-sm" :disabled="row.freeSeats === 0 || row.registrationClosed">Записаться</button>
+            <button
+              class="btn-primary btn-sm"
+              :disabled="row.freeSeats === 0 || row.registrationClosed || lecturesStore.registeredIds.includes(row.id)"
+              @click="registerLecture(row.id)"
+            >
+              {{ lecturesStore.registeredIds.includes(row.id) ? 'Записан' : 'Записаться' }}
+            </button>
           </template>
         </DataTable>
       </GlassCard>

frontend/src/views/student/DashboardView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
 import { useAuthStore } from '@/stores/auth'
 import { useLecturesStore } from '@/stores/lectures'
@@ -9,6 +9,7 @@ import StatsWidget from '@/components/ui/StatsWidget.vue'
 import LectureCard from '@/components/ui/LectureCard.vue'
 import ProgressBar from '@/components/ui/ProgressBar.vue'
 import AchievementBadge from '@/components/ui/AchievementBadge.vue'
+import EmptyState from '@/components/ui/EmptyState.vue'
 
 const auth = useAuthStore()
 const lectures = useLecturesStore()
@@ -16,7 +17,7 @@ const userStore = useUserStore()
 const router = useRouter()
 
 const user = computed(() => auth.user!)
-const nextLecture = computed(() => lectures.registeredLectures[0] ?? lectures.all[0]!)
+const nextLecture = computed(() => lectures.registeredLectures[0] ?? lectures.all[0])
 const recommended = computed(() =>
   lectures.all.filter(l => !lectures.registeredIds.includes(l.id)).slice(0, 3)
 )
@@ -24,6 +25,14 @@ const achievements = computed(() => userStore.achievements.filter(a => a.unlocke
 const reminders = computed(() => userStore.notifications.slice(0, 3))
 const xpToNext = 200
 const xpProgress = computed(() => user.value.xp ?? 120)
+
+onMounted(async () => {
+  await Promise.all([
+    lectures.all.length ? Promise.resolve() : lectures.fetchLectures(),
+    userStore.fetchStudentData(user.value.id),
+  ])
+  await lectures.fetchRegisteredForUser(user.value.id)
+})
 </script>
 
 <template>
@@ -36,11 +45,11 @@ const xpProgress = computed(() => user.value.xp ?? 120)
       <div class="quick-actions">
         <button class="btn-primary" @click="router.push('/catalog')">Найти лекцию</button>
         <button class="btn-secondary" @click="router.push('/my-lectures')">Мои записи</button>
-        <button class="btn-secondary" @click="router.push(`/review/${nextLecture?.id ?? '1'}`)">Оставить отзыв</button>
+        <button class="btn-secondary" :disabled="!nextLecture" @click="nextLecture && router.push(`/review/${nextLecture.id}`)">Оставить отзыв</button>
       </div>
     </div>
 
-    <GlassCard>
+    <GlassCard v-if="nextLecture">
       <div class="next-lecture">
         <div>
           <div class="section-title">Ближайшая лекция</div>
@@ -57,6 +66,7 @@ const xpProgress = computed(() => user.value.xp ?? 120)
         </div>
       </div>
     </GlassCard>
+    <EmptyState v-else-if="!lectures.loading" title="Пока нет лекций" subtitle="Каталог пуст или данные ещё не синхронизированы." />
 
     <div class="stats-row">
       <StatsWidget label="Посещено лекций" :value="user.lecturesAttended ?? 12" icon="📚" color="green" />
@@ -80,7 +90,8 @@ const xpProgress = computed(() => user.value.xp ?? 120)
         <h2 class="section-title">✨ Рекомендуемые лекции</h2>
         <button class="link-btn" @click="router.push('/catalog')">Все лекции →</button>
       </div>
-      <div class="cards-grid">
+      <EmptyState v-if="lectures.loading" title="Загружаем рекомендации" subtitle="Получаем данные с backend." />
+      <div v-else class="cards-grid">
         <LectureCard
           v-for="l in recommended"
           :key="l.id"

frontend/src/views/student/LectureDetailView.vue

@@ -1,25 +1,43 @@
 <script setup lang="ts">
-import { computed } from 'vue'
+import { computed, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useLecturesStore } from '@/stores/lectures'
 import GlassCard from '@/components/ui/GlassCard.vue'
 import LectureCard from '@/components/ui/LectureCard.vue'
 import StatusBadge from '@/components/ui/StatusBadge.vue'
+import EmptyState from '@/components/ui/EmptyState.vue'
 
 const route = useRoute()
 const router = useRouter()
 const lecturesStore = useLecturesStore()
 
-const lecture = computed(() => lecturesStore.all.find(l => l.id === route.params.id) ?? lecturesStore.all[0]!)
-const isRegistered = computed(() => lecturesStore.isRegistered(lecture.value.id))
-const attendedLectures = ['1']
-const isAttended = computed(() => attendedLectures.includes(lecture.value.id))
+const lectureId = computed(() => String(route.params.id))
+const lecture = computed(() => lecturesStore.all.find(l => l.id === lectureId.value))
+const isRegistered = computed(() => (lecture.value ? lecturesStore.isRegistered(lecture.value.id) : false))
+const isAttended = computed(() => lecture.value?.status === 'completed')
+const reviews = computed(() => lecturesStore.reviewsByLecture[lectureId.value] ?? [])
 
-const similarLectures = computed(() => lecturesStore.all.filter(l => l.id !== lecture.value.id).slice(0, 3))
+const similarLectures = computed(() => lecturesStore.all.filter(l => l.id !== lectureId.value).slice(0, 3))
+
+onMounted(async () => {
+  if (!lecturesStore.all.length) await lecturesStore.fetchLectures()
+  await lecturesStore.fetchLecture(lectureId.value)
+  await lecturesStore.fetchReviews(lectureId.value)
+})
 </script>
 
 <template>
-  <div class="lecture-detail page-content">
+  <div v-if="lecturesStore.loading && !lecture" class="lecture-detail page-content">
+    <GlassCard>
+      <div class="text-secondary">Загружаем лекцию...</div>
+    </GlassCard>
+  </div>
+
+  <div v-else-if="!lecture" class="lecture-detail page-content">
+    <EmptyState title="Лекция не найдена" :subtitle="lecturesStore.error ?? 'Попробуйте открыть каталог и выбрать лекцию заново.'" />
+  </div>
+
+  <div v-else class="lecture-detail page-content">
     <div class="header">
       <div>
         <div class="breadcrumb">Каталог / {{ lecture.title }}</div>
@@ -73,16 +91,13 @@ const similarLectures = computed(() => lecturesStore.all.filter(l => l.id !== le
           Студенты отмечают «понятные примеры» и «много практики». Предлагается добавить больше времени на вопросы и
           прикладные кейсы. Средняя оценка — 4.8/5.
         </p>
-        <div class="reviews">
-          <div class="review">
-            <div class="review-head">Анонимный отзыв · 5 ⭐</div>
-            <div class="review-body">Очень структурно, понравились живые примеры и объяснение базовых концепций.</div>
-          </div>
-          <div class="review">
-            <div class="review-head">Анонимный отзыв · 4 ⭐</div>
-            <div class="review-body">Полезно, но хотелось больше времени на практику и разбор домашних заданий.</div>
+        <div class="reviews" v-if="reviews.length">
+          <div v-for="review in reviews" :key="review.id" class="review">
+            <div class="review-head">{{ review.userName }} · {{ review.sentiment }}</div>
+            <div class="review-body">{{ review.text }}</div>
           </div>
         </div>
+        <p v-else class="text-secondary text-sm">Отзывов пока нет.</p>
       </GlassCard>
     </div>
 

frontend/src/views/student/MyLecturesView.vue

@@ -1,12 +1,15 @@
 <script setup lang="ts">
-import { computed, ref } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { useLecturesStore } from '@/stores/lectures'
+import { useAuthStore } from '@/stores/auth'
 import GlassCard from '@/components/ui/GlassCard.vue'
 import StatusBadge from '@/components/ui/StatusBadge.vue'
 import ModalDialog from '@/components/ui/ModalDialog.vue'
+import EmptyState from '@/components/ui/EmptyState.vue'
 
 const lecturesStore = useLecturesStore()
+const auth = useAuthStore()
 const router = useRouter()
 const activeTab = ref<'upcoming' | 'history'>('upcoming')
 const cancelModal = ref(false)
@@ -16,19 +19,20 @@ const upcoming = computed(() =>
   lecturesStore.registeredLectures.map(l => ({ ...l, status: 'registered' }))
 )
 
-const history = ref([
-  { id: '1', title: 'Введение в нейронные сети и глубокое обучение', date: '2025-04-20', time: '14:00', building: 'ИКТИБ', room: '305', status: 'attended' },
-  { id: '4', title: 'Философия цифровой эпохи', date: '2025-04-12', time: '18:00', building: 'Онлайн', room: '', status: 'needsReview' },
-  { id: '5', title: 'Право в информационном обществе', date: '2025-04-05', time: '15:30', building: 'ЮФ', room: '412', status: 'cancelled' },
-])
+const history = computed(() => lecturesStore.all.filter(l => l.status === 'completed'))
+
+onMounted(async () => {
+  if (!lecturesStore.all.length) await lecturesStore.fetchLectures()
+  if (auth.user) await lecturesStore.fetchRegisteredForUser(auth.user.id)
+})
 
 function openCancel(id: string) {
   selectedId.value = id
   cancelModal.value = true
 }
 
-function confirmCancel() {
-  if (selectedId.value) lecturesStore.unregister(selectedId.value)
+async function confirmCancel() {
+  if (selectedId.value) await lecturesStore.unregister(selectedId.value)
   cancelModal.value = false
 }
 </script>
@@ -49,6 +53,7 @@ function confirmCancel() {
     </div>
 
     <div v-if="activeTab === 'upcoming'" class="list">
+      <EmptyState v-if="!upcoming.length" title="Нет предстоящих записей" subtitle="Выберите лекцию в каталоге и запишитесь на неё." />
       <GlassCard v-for="item in upcoming" :key="item.id" class="lecture-row">
         <div>
           <div class="lecture-title">{{ item.title }}</div>
@@ -64,6 +69,7 @@ function confirmCancel() {
     </div>
 
     <div v-else class="list">
+      <EmptyState v-if="!history.length" title="История пока пуста" subtitle="Завершённые лекции появятся здесь после посещения." />
       <GlassCard v-for="item in history" :key="item.id" class="lecture-row">
         <div>
           <div class="lecture-title">{{ item.title }}</div>
@@ -71,8 +77,8 @@ function confirmCancel() {
           <div class="lecture-meta">🏛 {{ item.building }} {{ item.room ? `· ауд. ${item.room}` : '' }}</div>
         </div>
         <div class="lecture-actions">
-          <StatusBadge :status="item.status" />
-          <button v-if="item.status === 'needsReview'" class="btn-primary btn-sm" @click="router.push(`/review/${item.id}`)">
+          <StatusBadge :status="item.status ?? 'completed'" />
+          <button class="btn-primary btn-sm" @click="router.push(`/review/${item.id}`)">
             Оставить отзыв
           </button>
         </div>

frontend/src/views/student/ProfileView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, ref } from 'vue'
+import { computed, onMounted, ref } from 'vue'
 import { useAuthStore } from '@/stores/auth'
 import { useUserStore } from '@/stores/user'
 import GlassCard from '@/components/ui/GlassCard.vue'
@@ -7,6 +7,7 @@ import CoinChip from '@/components/ui/CoinChip.vue'
 import ProgressBar from '@/components/ui/ProgressBar.vue'
 import AchievementBadge from '@/components/ui/AchievementBadge.vue'
 import DataTable from '@/components/ui/DataTable.vue'
+import EmptyState from '@/components/ui/EmptyState.vue'
 
 const auth = useAuthStore()
 const userStore = useUserStore()
@@ -27,6 +28,10 @@ const historyColumns = [
   { key: 'description', label: 'Описание' },
   { key: 'amount', label: 'Монеты', align: 'right' },
 ]
+
+onMounted(() => {
+  void userStore.fetchStudentData(user.value.id)
+})
 </script>
 
 <template>
@@ -87,7 +92,12 @@ const historyColumns = [
           </label>
         </div>
         <div class="section-title">Достижения</div>
-        <div class="achievements">
+        <EmptyState
+          v-if="!userStore.achievements.length"
+          title="Достижений пока нет"
+          subtitle="Они появятся после посещений, отзывов и начислений."
+        />
+        <div v-else class="achievements">
           <AchievementBadge
             v-for="a in userStore.achievements.slice(0, 3)"
             :key="a.id"
@@ -104,6 +114,11 @@ const historyColumns = [
 
     <GlassCard>
       <div class="section-title">История начисления монет</div>
+      <EmptyState
+        v-if="!userStore.coinHistory.length"
+        title="История монет пуста"
+        subtitle="Начисления появятся после активностей на платформе."
+      />
       <DataTable :columns="historyColumns" :rows="userStore.coinHistory">
         <template #amount="{ value }">
           <span :class="value > 0 ? 'positive' : 'negative'">{{ value > 0 ? `+${value}` : value }}</span>

frontend/src/views/student/ReviewFormView.vue

@@ -2,16 +2,34 @@
 import { ref } from 'vue'
 import { useRoute } from 'vue-router'
 import GlassCard from '@/components/ui/GlassCard.vue'
+import { reviewsApi } from '@/api'
 
 const route = useRoute()
 const rating = ref<'positive' | 'neutral' | 'negative'>('positive')
 const text = ref('Лекция была хорошо структурирована, особенно понравились практические примеры и разбор кейсов.')
 const submitted = ref(false)
 const editing = ref(false)
+const loading = ref(false)
+const error = ref('')
 
-function submit() {
+const ratingMap = {
+  positive: 'Like',
+  neutral: 'Neutral',
+  negative: 'Dislike',
+} as const
+
+async function submit() {
+  loading.value = true
+  error.value = ''
+  try {
+    await reviewsApi.create(String(route.params.id), ratingMap[rating.value], text.value)
     submitted.value = true
     editing.value = false
+  } catch (err) {
+    error.value = err instanceof Error ? err.message : 'Не удалось отправить отзыв.'
+  } finally {
+    loading.value = false
+  }
 }
 </script>
 
@@ -48,9 +66,10 @@ function submit() {
         <div class="hint">
           💡 Постарайтесь быть конкретными: что понравилось, где было сложно, какие темы хотите раскрыть глубже.
         </div>
+        <div class="error" v-if="error">{{ error }}</div>
 
         <div class="form-actions">
-          <button class="btn-primary" type="submit">Отправить отзыв</button>
+          <button class="btn-primary" type="submit" :disabled="loading">{{ loading ? 'Отправляем...' : 'Отправить отзыв' }}</button>
           <button class="btn-secondary" type="button" :disabled="submitted">Сохранить черновик</button>
         </div>
       </form>
@@ -91,4 +110,5 @@ textarea {
 .success-icon { font-size: 28px; }
 .success-title { font-size: 16px; font-weight: 700; }
 .success-sub { font-size: 13px; color: var(--color-text-secondary); }
+.error { color: var(--color-error); font-size: 13px; }
 </style>

frontend/vite.config.ts

@@ -1,18 +1,33 @@
 import { fileURLToPath, URL } from 'node:url'
 
-import { defineConfig } from 'vite'
+import { defineConfig, loadEnv } from 'vite'
 import vue from '@vitejs/plugin-vue'
 import vueDevTools from 'vite-plugin-vue-devtools'
 
 // https://vite.dev/config/
-export default defineConfig({
-  plugins: [
-    vue(),
-    vueDevTools(),
-  ],
+export default defineConfig(({ mode }) => {
+  // loadEnv(..., '') — чтобы получить и НЕ-VITE переменные при необходимости,
+  // но мы используем именно VITE_* для простоты прокидывания из AppHost.
+  const env = loadEnv(mode, process.cwd(), '')
+  const apiProxyTarget = env.VITE_API_PROXY_TARGET || 'http://localhost:5019'
+
+  return {
+    plugins: [vue(), vueDevTools()],
+    server: {
+      host: true,
+      port: 5173,
+      proxy: {
+        '/api': {
+          target: apiProxyTarget,
+          changeOrigin: true,
+          secure: false,
+        },
+      },
+    },
     resolve: {
       alias: {
-      '@': fileURLToPath(new URL('./src', import.meta.url))
+        '@': fileURLToPath(new URL('./src', import.meta.url)),
       },
     },
+  }
 })