@Override
protected List<Avatar> doInBackground(Void... params) {
// reuse cached avatars
avatars = avatarManager.getAvatarList();
// contains accounts who don`t have avatars yet
List<Account> acts = avatarManager.getAccountsWithoutAvatars();
// contains new avatars in order to persist them to database
List<Avatar> newAvatars = new ArrayList<Avatar>(acts.size());
// load avatars from server
for (Account account : acts) {
httpConnection = new SeafConnection(account);
String avatarRawData = null;
try {
avatarRawData = httpConnection.getAvatar(account.getEmail(), avatarSize);
} catch (SeafException e) {
e.printStackTrace();
return avatars;
}
Avatar avatar = avatarManager.parseAvatar(avatarRawData);
if (avatar == null) continue;
avatar.setSignature(account.getSignature());
avatars.add(avatar);
newAvatars.add(avatar);
}
// save new added avatars to database
avatarManager.saveAvatarList(newAvatars);
return avatars;
}
