Change namespace of rules.

app/TransactionRules/Factory/ActionFactory.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * ActionFactory.php
+ * Copyright (C) 2016 Robert Horlings
+ *
+ * This software may be modified and distributed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\TransactionRules\Factory;
+
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Models\RuleAction;
+use FireflyIII\TransactionRules\Actions\ActionInterface;
+use FireflyIII\Support\Domain;
+use Log;
+
+/**
+ * Interface ActionInterface
+ *
+ * @package FireflyIII\TransactionRules\Actions
+ */
+class ActionFactory
+{
+    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
+     */
+    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 $class;
+    }
+
+    /**
+     * Returns a map with actiontypes, mapped to the class representing that type
+     *
+     * @return array
+     */
+    protected static function getActionTypes(): array
+    {
+        if (count(self::$actionTypes) === 0) {
+            self::$actionTypes = Domain::getRuleActions();
+        }
+
+        return self::$actionTypes;
+    }
+}