Refactor project structure and integrate Redux for state management. Update configuration files for new project name and add Webpack plugins for environment variables. Implement user authentication with Keycloak and create a context for challenge management. Add various components for user interaction, including dashboards and task workspaces. Enhance API integration and add error handling utilities. Introduce analytics and polling mechanisms for improved user experience.

stubs/api/index.js

@@ -1,8 +1,96 @@
-const router = require('express').Router();
+const fs = require('fs')
+const path = require('path')
+const router = require('express').Router()
 
-const timer = (time = 300) => (req, res, next) => setTimeout(next, time);
+const timer = (time = 300) => (req, res, next) => setTimeout(next, time)
 
-router.use(timer());
+const dataDir = path.join(__dirname, 'data')
 
+const readJson = (fileName) => {
+  const filePath = path.join(dataDir, fileName)
+  const content = fs.readFileSync(filePath, 'utf-8')
+  return JSON.parse(content)
+}
 
-module.exports = router;
+const sendNotFound = (res, message) => {
+  res.status(404).json({ error: { message }, data: null })
+}
+
+router.use(timer())
+router.use((req, res, next) => {
+  res.type('application/json')
+  next()
+})
+
+router.post('/auth', (req, res) => {
+  res.json(readJson('auth.json'))
+})
+
+router.get('/chains', (req, res) => {
+  res.json(readJson('chains.json'))
+})
+
+router.get('/chain/:id', (req, res) => {
+  const chains = readJson('chains.json')
+  const chain = chains.find((item) => item.id === req.params.id || item._id === req.params.id)
+  if (!chain) {
+    return sendNotFound(res, `Цепочка ${req.params.id} не найдена`)
+  }
+  return res.json(chain)
+})
+
+router.get('/task/:id', (req, res) => {
+  const chains = readJson('chains.json')
+  const task = chains
+    .flatMap((chain) => chain.tasks || [])
+    .find((item) => item.id === req.params.id || item._id === req.params.id)
+
+  if (!task) {
+    return sendNotFound(res, `Задание ${req.params.id} не найдено`)
+  }
+
+  return res.json(task)
+})
+
+router.post('/submit', (req, res) => {
+  const response = readJson('submit.json')
+  res.json(response)
+})
+
+router.get('/check-status/:queueId', (req, res) => {
+  const statuses = readJson('queue-status.json')
+  const status = statuses[req.params.queueId]
+
+  if (!status) {
+    return sendNotFound(res, `Статус очереди ${req.params.queueId} не найден`)
+  }
+
+  return res.json(status)
+})
+
+router.get('/user/:userId/stats', (req, res) => {
+  const statsMap = readJson('user-stats.json')
+  const stats = statsMap[req.params.userId]
+
+  if (!stats) {
+    return sendNotFound(res, `Статистика пользователя ${req.params.userId} не найдена`)
+  }
+
+  return res.json(stats)
+})
+
+router.get('/user/:userId/submissions', (req, res) => {
+  const submissionsMap = readJson('user-submissions.json')
+  const submissions = submissionsMap[req.params.userId] || []
+  return res.json(submissions)
+})
+
+router.get('/stats', (req, res) => {
+  res.json(readJson('system-stats.json'))
+})
+
+router.get('/submissions', (req, res) => {
+  res.json(readJson('submissions.json'))
+})
+
+module.exports = router