/**
* @param user
* @param friend
* @return String "OWN" if the user, "KNOWN" if he is a friend, "UNKNOWN" if he is not a friend.
*/
@SuppressWarnings("unchecked")
@POST
@Path("/isfriend")
@Produces("text/plain")
@Consumes("application/json")
public String isFriend(String json) {
Gson gson = new Gson();
Map<String, String> jsonFriend = gson.fromJson(json, HashMap.class);
String user = jsonFriend.get("user");
String friend = jsonFriend.get("friend");
String isFriend = "";
if (user.equals(friend)) {
isFriend = "OWN";
} else {
isFriend = "UNKNOWN";
List<User> friends = FriendDB.getFriends(new User(user));
for (User fr : friends) {
if (fr.equals(friend)) {
isFriend = "KNOWN";
break;
}
}
}
return isFriend;
}
@SuppressWarnings("unchecked")
@POST
@Path("/addfriend")
@Produces("text/plain")
@Consumes("application/json")
public String addFriend(String json) {
Gson gson = new Gson();
Map<String, String> jsonFriend = gson.fromJson(json, HashMap.class);
return String.valueOf(
FriendDB.addFriend(new User(jsonFriend.get("user")), new User(jsonFriend.get("friend"))));
}
@GET
@Path("/friendlist")
@Produces("application/json")
public String getFriends(@QueryParam("user") String userName) {
User user = new User(userName);
List<String> friendNames = new ArrayList<String>();
List<User> friendList = FriendDB.getFriends(user);
for (User friend : friendList) {
friendNames.add(friend.getUsername());
}
String json = null;
if (friendNames.size() > 0) {
Gson gson = new Gson();
json = gson.toJson(friendNames, ArrayList.class);
}
return json;
}