Add some slack notifications and a todo to fix the rest

app/Handlers/Events/Model/RuleHandler.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+/*
+ * RuleHandler.php
+ * Copyright (c) 2023 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace FireflyIII\Handlers\Events\Model;
+
+use FireflyIII\Events\Model\Rule\RuleActionFailedOnArray;
+use FireflyIII\Notifications\User\RuleActionFailed;
+use Illuminate\Support\Facades\Notification;
+
+/**
+ * Class RuleHandler
+ */
+class RuleHandler
+{
+    /**
+     * @param RuleActionFailedOnArray $event
+     *
+     * @return void
+     */
+    public function ruleActionFailed(RuleActionFailedOnArray $event): void
+    {
+        app('log')->debug('Now in ruleActionFailed');
+        $ruleAction = $event->ruleAction;
+        $rule       = $ruleAction->rule;
+        $journal    = $event->journal;
+        $error      = $event->error;
+        $user       = $ruleAction->rule->user;
+
+        $mainMessage = trans('rules.main_message', ['rule' => $rule->title, 'action' => $ruleAction->action_type, 'group' => $journal['transaction_group_id'], 'error' => $error]);
+        $groupTitle  = $journal['description'] ?? '';
+        $groupLink   = route('transactions.show', [$journal['transaction_group_id']]);
+        $ruleTitle   = $rule->title;
+        $ruleLink    = route('rules.edit', [$rule->id]);
+        $params      = [$mainMessage, $groupTitle, $groupLink, $ruleTitle, $ruleLink];
+
+
+        Notification::send($user, new RuleActionFailed($params));
+    }
+
+}