public ServiceResult<Set<String>> tagFriendToPage(
long pageID, String[] usernames, String username) {
ServiceResult<Set<String>> result = new ServiceResult<Set<String>>();
result.setOK(true);
PersistenceManager pm = null;
UserInfo user = null;
Page page = null;
try {
pm = PMF.get().getPersistenceManager();
page = pm.getObjectById(Page.class, pageID);
if (page == null) {
result.setOK(false);
result.setMessage(Global.messages.getString("no_page_found"));
} else {
if (!page.getUsername().equals(username)) {
result.setOK(false);
result.setMessage(
String.format(Global.messages.getString("no_permission_to_tag_to_page"), username));
} else {
ServiceResult<Void> notiResult = null;
for (String user2Tag : usernames) {
try {
if (page.getSetFriendsTaggedID().contains(user2Tag)) {
result.setOK(false);
result.setMessage(
result.getMessage()
+ ";"
+ String.format(
Global.messages.getString("already_tag_user_to_page"),
user2Tag,
pageID));
} else {
user = pm.getObjectById(UserInfo.class, user2Tag);
page.getSetFriendsTaggedID().add(user2Tag);
user.getSetPageTaggedID().add(pageID);
result.setMessage(
result.getMessage()
+ ";"
+ String.format(
Global.messages.getString("tag_user_to_page_successfully"),
user2Tag,
pageID));
// notification
notiResult = dbNoti.insertWhenTagUserToPage(pageID, user2Tag, true);
if (notiResult.isOK() == false) {
result.setMessage(
result.getMessage() + ";Notification Exception:" + notiResult.getMessage());
}
}
} catch (Exception e) {
e.printStackTrace();
result.setOK(false);
result.setMessage(
result.getMessage()
+ ";"
+ String.format(
Global.messages.getString("tag_user_to_page_fail"), user2Tag, pageID));
}
}
// if (result.isOK()) {
// result.setMessage("Tag friends thanh cong");
// }
}
}
} catch (Exception e) {
e.printStackTrace();
result.setMessage(Global.messages.getString("tag_friend_to_page_fail"));
} finally {
try {
pm.close();
} catch (Exception e) {
e.printStackTrace();
}
}
if (result.isOK()) {
result.setResult(page.getSetFriendsTaggedID());
}
return result;
}
