firefly-iii/app/TransactionRules/Triggers/NotesEnd.php
2018-04-28 06:23:13 +02:00

106 lines
3.5 KiB
PHP

<?php
/**
* NotesEnd.php
* Copyright (c) 2017 thegrumpydictator@gmail.com
*
* This file is part of Firefly III.
*
* Firefly III is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Firefly III is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace FireflyIII\TransactionRules\Triggers;
use FireflyIII\Models\Note;
use FireflyIII\Models\TransactionJournal;
use Log;
/**
* Class NotesEnd.
*/
final class NotesEnd extends AbstractTrigger implements TriggerInterface
{
/**
* A trigger is said to "match anything", or match any given transaction,
* when the trigger value is very vague or has no restrictions. Easy examples
* are the "AmountMore"-trigger combined with an amount of 0: any given transaction
* has an amount of more than zero! Other examples are all the "Description"-triggers
* which have hard time handling empty trigger values such as "" or "*" (wild cards).
*
* If the user tries to create such a trigger, this method MUST return true so Firefly III
* can stop the storing / updating the trigger. If the trigger is in any way restrictive
* (even if it will still include 99.9% of the users transactions), this method MUST return
* false.
*
* @param null $value
*
* @return bool
*/
public static function willMatchEverything($value = null)
{
if (null !== $value) {
$res = '' === (string)$value;
if (true === $res) {
Log::error(sprintf('Cannot use %s with "" as a value.', self::class));
}
return $res;
}
Log::error(sprintf('Cannot use %s with a null value.', self::class));
return true;
}
/**
* Returns true when notes end with X
*
* @param TransactionJournal $journal
*
* @return bool
*/
public function triggered(TransactionJournal $journal): bool
{
/** @var Note $note */
$note = $journal->notes()->first();
$text = '';
if (null !== $note) {
$text = strtolower($note->text);
}
$notesLength = \strlen($text);
$search = strtolower($this->triggerValue);
$searchLength = \strlen($search);
// if the string to search for is longer than the description,
// return false
if ($searchLength > $notesLength) {
Log::debug(sprintf('RuleTrigger NotesEnd for journal #%d: "%s" does not end with "%s", return false.', $journal->id, $text, $search));
return false;
}
$part = substr($text, $searchLength * -1);
if ($part === $search) {
Log::debug(sprintf('RuleTrigger NotesEnd for journal #%d: "%s" ends with "%s", return true.', $journal->id, $text, $search));
return true;
}
Log::debug(sprintf('RuleTrigger NotesEnd for journal #%d: "%s" does not end with "%s", return false.', $journal->id, $text, $search));
return false;
}
}