constructor(private friendService: FriendService) { }
ngOnInit() {
- this.friendService.getFriends().subscribe(
- friends => this.friends = friends,
-
- err => alert(err)
- );
+ this.getFriends();
}
quitFriends() {
this.friendService.quitFriends().subscribe(
status => {
alert('Quit friends!');
+ this.getFriends();
},
error => alert(error)
);
}
+
+ private getFriends() {
+ this.friendService.getFriends().subscribe(
+ friends => this.friends = friends,
+
+ err => alert(err)
+ );
+ }
}