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

102 lines
3.2 KiB
PHP

<?php
/**
* ActionFactory.php
* Copyright (C) 2017 Robert Horlings.
*
* 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\Factory;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\RuleAction;
use FireflyIII\Support\Domain;
use FireflyIII\TransactionRules\Actions\ActionInterface;
use Log;
/**
* Class ActionFactory can create actions.
*
* @codeCoverageIgnore
*/
class ActionFactory
{
/** @var array array of action types */
protected static $actionTypes = [];
/**
* This method returns the actual implementation (TransactionRules/Actions/[object]) for a given
* RuleAction (database object). If for example the database object contains action_type "change_category"
* with value "Groceries" this method will return a corresponding SetCategory object preset
* to "Groceries". Any transaction journal then fed to this object will have its category changed.
*
* @param RuleAction $action
*
* @return ActionInterface
*
* @throws FireflyException
*/
public static function getAction(RuleAction $action): ActionInterface
{
$class = self::getActionClass($action->action_type);
Log::debug(sprintf('self::getActionClass("%s") = "%s"', $action->action_type, $class));
return new $class($action);
}
/**
* Returns the class name to be used for actions with the given name. This is a lookup function
* that will match the given action type (ie. "change_category") to the matching class name
* (SetCategory) using the configuration (firefly.php).
*
* @param string $actionType
*
* @return string
*
* @throws FireflyException
*/
public static function getActionClass(string $actionType): string
{
$actionTypes = self::getActionTypes();
if (!array_key_exists($actionType, $actionTypes)) {
throw new FireflyException('No such action exists ("' . e($actionType) . '").');
}
$class = $actionTypes[$actionType];
if (!class_exists($class)) {
throw new FireflyException('Could not instantiate class for rule action type "' . e($actionType) . '" (' . e($class) . ').');
}
return $class;
}
/**
* Returns a map with actiontypes, mapped to the class representing that type.
*
* @return array
*/
protected static function getActionTypes(): array
{
if (0 === \count(self::$actionTypes)) {
self::$actionTypes = Domain::getRuleActions();
}
return self::$actionTypes;
}
}