change icons, css, add routing to merchandise, add mail templater, fixes

app/Repositories/Core/Mail/MailTemplates.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Repositories\Core\Mail;
+
+use App\Models\Core\Mail\MailTemplate;
+use App\Traits\Model\Basic;
+use Mustache_Engine;
+
+class MailTemplates
+{
+    use Basic;
+
+    public static function init()
+    {
+        return [
+            'mailables' => Mailables::getList(),
+        ];
+    }
+
+    public static function edit($id)
+    {
+        $data = self::get($id)->toArray();
+        $mailable = $data['mailable'];
+        $data['vars'] = $mailable::getVariables();
+
+        return $data;
+    }
+
+    public static function getVarsByMailable($mailable)
+    {
+        return $mailable::getVariables();
+    }
+
+    public static function getDataFormodalPreview($id)
+    {
+        $template = self::get($id);
+        $mailable = $template->mailable;
+
+        return [
+            'id' => $id,
+            'users' => $mailable::getUsers(),
+        ];
+    }
+
+    public static function preview($id, $user_id)
+    {
+        $template = self::get($id);
+        $mailable = $template->mailable;
+        $data = $mailable::getDataByUser($user_id);
+        $html_template = $template->toArray()['html_template_translations'][$data['lang']] ?? false;
+        if ($html_template) {
+            $m = new Mustache_Engine();
+
+            return $m->render($html_template, $data);
+        } else {
+            return false;
+        }
+    }
+
+    public static function getModel()
+    {
+        return MailTemplate::query();
+    }
+}