feat: 🎸 Classmates (#14)

Hopefully retrieves and parses class mates. I cannot confirm since,
according to Skolplattformen, my daughter has none.

✅ Closes: #7

lib/children.ts

@@ -1,6 +1,6 @@
 import routes from './routes'
 import {
-  CalendarItem, Child, Fetch, RequestInit,
+  CalendarItem, Child, Classmate, Fetch, RequestInit,
 } from './types'
 import { etjanst, child, calendarItem } from './parse'
 
@@ -15,8 +15,12 @@ export const calendar = (fetch: Fetch, init?:RequestInit) => async (childId: str
   const url = routes.calendar(childId)
   const response = await fetch(url, init)
   const data = await response.json()
-  console.log(etjanst(data))
   return etjanst(data).map(calendarItem)
 }
 
-// export const details = (_fetch: Fetch) => async (_id: string): Promise<Child> => ({})
+export const classmates = (fetch: Fetch, init?:RequestInit) => async (childId: string): Promise<Classmate[]> => {
+  const url = routes.classmates(childId)
+  const response = await fetch(url, init)
+  const data = await response.json()
+  return etjanst(data)
+}

lib/index.ts

@@ -3,9 +3,9 @@ import {
   checkStatus, getSessionCookie, login, LoginStatus,
 } from './login'
 import {
-  CalendarItem, Child, Fetch, RequestInit,
+  CalendarItem, Child, Classmate, Fetch, RequestInit,
 } from './types'
-import { calendar, list } from './children'
+import { calendar, classmates, list } from './children'
 
 interface AsyncishFunction { (): void | Promise<void> }
 
@@ -55,6 +55,11 @@ export class Api extends EventEmitter {
     return data
   }
 
+  async getClassmates(childId: string): Promise<Classmate[]> {
+    const data = await classmates(this.fetch, this.session)(childId)
+    return data
+  }
+
   async logout() {
     this.session = undefined
     await this.clearCookies()