Add friend list fetching.

src/services/api/api.service.js

@@ -11,6 +11,7 @@ const STATUS_URL = '/api/statuses/show'
 const MEDIA_UPLOAD_URL = '/api/statusnet/media/upload'
 const CONVERSATION_URL = '/api/statusnet/conversation'
 const MENTIONS_URL = '/api/statuses/mentions.json'
+const FRIENDS_URL = '/api/statuses/friends.json'
 
 const oldfetch = window.fetch
 
@@ -28,6 +29,11 @@ const authHeaders = (user) => {
   }
 }
 
+const fetchFriends = ({credentials}) => {
+  return fetch(FRIENDS_URL, { headers: authHeaders(credentials) })
+    .then((data) => data.json())
+}
+
 const fetchMentions = ({username, sinceId = 0, credentials}) => {
   let url = `${MENTIONS_URL}?since_id=${sinceId}&screen_name=${username}`
   return fetch(url, { headers: authHeaders(credentials) })
@@ -128,6 +134,7 @@ const apiService = {
   fetchConversation,
   fetchStatus,
   fetchMentions,
+  fetchFriends,
   favorite,
   unfavorite,
   retweet,