fix: several fixes

src/pages/api/admin/teachers.ts

@@ -27,31 +27,71 @@ async function handler(
     // Парсинг и обновление списка преподавателей
     try {
       const url = `${PROXY_URL}/?mn=3`
-      
+      console.log(`[Teachers API] Fetching teachers list from: ${url}`)
+      console.log(`[Teachers API] PROXY_URL: ${PROXY_URL}`)
+
       // Добавляем таймаут 10 секунд для fetch запроса
       const controller = new AbortController()
       const timeoutId = setTimeout(() => controller.abort(), 10000)
-      
-      const page = await fetch(url, { signal: controller.signal })
+
+      const page = await fetch(url, { 
+        signal: controller.signal,
+        redirect: 'follow',
+        headers: {
+          'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
+          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
+        }
+      })
       clearTimeout(timeoutId)
-      
+      console.log(`[Teachers API] Response status: ${page.status}`)
+      console.log(`[Teachers API] Response URL: ${page.url}`)
+      console.log(`[Teachers API] Response redirected: ${page.redirected}`)
+
       const content = await page.text()
       const contentType = page.headers.get('content-type')
-      
+      console.log(`[Teachers API] Content length: ${content.length}, Content-Type: ${contentType}`)
+
       if (page.status !== 200 || !contentType || contentTypeParser.parse(contentType).type !== 'text/html') {
+        console.error(`[Teachers API] Invalid response: status ${page.status}, contentType: ${contentType}`)
         res.status(500).json({ error: `Failed to fetch teachers list: status ${page.status}` })
         return
       }
 
+      // Проверяем, не редирект ли на страницу авторизации
+      if (content.includes('login') || content.includes('auth') || content.includes('Вход') || content.includes('Авторизация')) {
+        console.error('[Teachers API] Response appears to be a login page, not teachers list')
+      }
+
       const dom = new JSDOM(content, { url })
       const document = dom.window.document
-      
+
+      // Логируем заголовок страницы для отладки
+      const pageTitle = document.title
+      console.log(`[Teachers API] Page title: ${pageTitle}`)
+
+      // Логируем немного HTML для отладки
+      const htmlPreview = content.substring(0, 500).replace(/\n/g, ' ')
+      console.log(`[Teachers API] HTML preview: ${htmlPreview}...`)
+
       const teachersList = parseTeachersList(document)
-      
+      console.log(`[Teachers API] Parsed ${teachersList.length} teachers`)
+
       // Закрываем JSDOM для освобождения памяти
       dom.window.close()
-      
+
       if (teachersList.length === 0) {
+        console.error('[Teachers API] No teachers found in HTML')
+        // Логируем больше информации для отладки
+        const hasMn3 = content.includes('mn=3')
+        const hasObj = content.includes('obj=')
+        const hasTeachersTable = content.includes('Преподаватель') || content.includes('преподавател')
+        console.log(`[Teachers API] HTML contains 'mn=3': ${hasMn3}, contains 'obj=': ${hasObj}, contains 'преподавател': ${hasTeachersTable}`)
+        
+        // Проверяем, не ошибка ли это
+        if (content.includes('Ошибка') || content.includes('Error') || content.includes('404') || content.includes('500')) {
+          console.error('[Teachers API] Response contains error indicators')
+        }
+        
         res.status(500).json({ error: 'No teachers found on the page' })
         return
       }
@@ -66,20 +106,23 @@ async function handler(
           name: teacher.name
         }
       }
+      console.log(`[Teachers API] Created TeachersData with ${Object.keys(teachersData).length} entries`)
 
       // Сохраняем в БД
       saveTeachers(teachersData)
-      
+      console.log('[Teachers API] Saved teachers to database')
+
       // Сохраняем timestamp последнего обновления
       const { setTeachersLastUpdateTime } = await import('@/shared/data/database')
       setTeachersLastUpdateTime(Date.now())
-      
+
       // Сбрасываем кеш и загружаем свежие данные из БД
       clearTeachersCache()
       const updatedTeachers = loadTeachers(true)
-      
-      res.status(200).json({ 
-        success: true, 
+      console.log(`[Teachers API] Loaded ${Object.keys(updatedTeachers).length} teachers from database`)
+
+      res.status(200).json({
+        success: true,
         teachers: updatedTeachers,
         parsed: teachersList.length
       })