Added parser function

src/app/agregator/schedule.ts

@@ -0,0 +1,21 @@
+import { Day } from '@/shared/model/day'
+import { parsePage } from '@/app/parser/schedule'
+import contentTypeParser from 'content-type'
+import { parse } from 'node-html-parser'
+import { content as mockContent } from './mock'
+
+// ПС-7: 146
+export async function getSchedule(groupID: number): Promise<Day[]> {
+  // const page = await fetch(`https://lk.ks.psuti.ru/?mn=2&obj=${groupID}`)
+  const page = { text: async () => mockContent, status: 200, headers: { get: (s: string) => s && 'text/html' } }
+  const content = await page.text()
+  const contentType = page.headers.get('content-type')
+  if (page.status === 200 && contentType && contentTypeParser.parse(contentType).type === 'text/html') {
+    const root = parse(content)
+    return parsePage(root)
+  } else {
+    console.error(page.status, contentType)
+    console.error(content.length > 500 ? content.slice(0, 500 - 3) + '...' : content)
+    throw new Error('Error while fetching lk.ks.psuti.ru')
+  }
+}