/**
* Choose which usernames to query next
* If there are no free usernames at the moment, increae the length of the possible usernames by 1
*
* @return mixed
*/
private function selectUsernames()
{
$toCheck = TwitterUser::neverQueried();
if ($toCheck->count() == 0) {
return TwitterUser::orderBy('last_checked', 'asc')->take(100)->get()->pluck('username');
}
return TwitterUser::neverQueried()->take(100)->get()->pluck('username');
}
/**
* Decides of any more usernames should be added to the database
* Will add more if any more of the same length need to be added
* Won't add more if above condition passes and there are some usernames still to check or some available usernames
*
* @return bool
*/
private function populateMoreUsernames()
{
$currentLength = TwitterUser::select(DB::raw('MAX(CHAR_LENGTH(username)) as Max'))->pluck('Max');
if (is_null($currentLength) || !TwitterUser::whereUsername(str_repeat('_', $currentLength))->exists()) {
return true;
}
if (TwitterUser::neverQueried()->count() > 0 || TwitterUser::free()->count() > 0) {
return false;
}
return true;
}
