Files
Learn_System/backend
Maxim Dolgolyov b005226e2c feat(gamification): Phase 3 — 38 new achievements + triggers + 'exam' group
Adds achievement coverage for every feature shipped since the original
seed: exam-prep (math9), textbooks, classroom/board, biochemistry,
live-quiz, flashcards, hangman/crossword, pet, plus a new 'social' group
for class & leaderboard wins and 'consistency' extensions (streak_100,
goal_30, early_bird, night_owl).

74 achievements now (was 36), grouped into 7 sections:
  onboarding (3) → volume (8) → mastery (16) → consistency (7) →
  exam (9) → exploration (21) → social (10)

A new top-level group 'exam' slots between consistency and exploration
in the profile UI.

What's wired in service.checkPhase3Achievements (called from
checkAchievements):
  • streak_100 — extends the existing streak track
  • goal_30 — 30 days with daily_goals fully met (SUM check)
  • early_bird / night_owl — strftime('%H', xp_log.created_at)
  • exam_first / 25 / 100 — exam_attempts where is_correct=1
  • exam_variant_clear / 5_variants — perfect mock-variant sessions
  • exam_topic_master — ≥10 attempts at ≥90% on a single subtopic
  • exam_mock_done / pass / perfect — exam_mock_sessions.score
  • tb_first_para — textbook_progress
  • fc_first_deck / 100_cards / 1000_cards — flashcard_reviews
  • bc_first_molecule / 5_challenges / 20_challenges — bio_user_*
  • game_win_5 / 25 — xp_log reason IN (hangman_win, crossword_win)
  • pet_streak_7 / 30 — users.pet_petting_streak
  • lq_first / 3_quizzes — live_answers grouped by session
  • cr_first_join / 5 / 25_lessons — classroom_attendance
  • class_5_members / 25 — teacher's biggest class
  • parent_link — parent_links presence
  • lb_top10 / lb_top1 — weekly XP rank among students

What's deferred (catalog entry only, no trigger yet):
  • tb_chapter_done / tb_book_done / tb_3_books — need to parse
    textbook_progress.paragraphs_read JSON against textbook structure

Every block is wrapped in its own try/catch so a missing table on a
legacy install can't take down the whole achievement sweep.

Verified end-to-end: admin user picked up 7 new unlocks on first
checkAchievements call after seed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-29 20:26:59 +03:00
..

LearnSpace Backend — Фаза 1

Быстрый старт

cd backend
npm install

# 1. Скопировать и заполнить переменные окружения
cp .env.example .env

# 2. Создать базу данных в PostgreSQL
createdb learnspace

# 3. Применить миграции (создать таблицы)
npm run migrate

# 4. Загрузить тестовые вопросы
npm run seed

# 5. Запустить сервер
npm run dev

API

Auth

Метод URL Тело Описание
POST /api/auth/register { email, password, name } Регистрация
POST /api/auth/login { email, password } Вход
GET /api/auth/me Текущий пользователь

Предметы

Метод URL Описание
GET /api/subjects Список предметов
GET /api/subjects/:slug/topics Темы предмета

Сессии тестирования

Метод URL Тело Описание
POST /api/sessions { subject_slug, mode, count, topic_id? } Начать тест
POST /api/sessions/:id/answer { question_id, option_id, time_spent_sec? } Отправить ответ
POST /api/sessions/:id/finish Завершить тест + разбор
GET /api/sessions/:id/result Результат завершённого теста
GET /api/sessions/history История тестов

Все /api/sessions/* требуют заголовок:

Authorization: Bearer <token>

Добавление вопросов

Создать JSON-файл в data/ по образцу questions-bio.json:

{
  "subject": "chem",
  "topics": [{ "name": "Органическая химия", "order": 1 }],
  "questions": [
    {
      "topic": "Органическая химия",
      "difficulty": 2,
      "text": "Текст вопроса",
      "options": ["А", "Б", "В", "Г"],
      "answer": 0,
      "explanation": "Объяснение правильного ответа"
    }
  ]
}

Затем повторно запустить npm run seed.

Структура проекта

backend/
├── data/                     ← JSON с вопросами
├── src/
│   ├── server.js             ← точка входа
│   ├── middleware/auth.js    ← JWT верификация
│   ├── db/
│   │   ├── pool.js           ← соединение с PostgreSQL
│   │   ├── migrate.js        ← запуск миграций
│   │   ├── seed.js           ← загрузка вопросов
│   │   └── migrations/       ← SQL-файлы схемы
│   ├── routes/               ← маршруты
│   └── controllers/          ← бизнес-логика
└── .env.example