FEATURE: add baseclass for each enumeration

app/Enumerations/BaseEnumeration.php

@@ -0,0 +1,62 @@
+<?php
+namespace App\Enumerations;
+
+use App\Enumerations\Exceptions\EnumerationExistsException;
+
+abstract class BaseEnumeration
+{
+    public static $items = [];
+
+    /**
+     * Add new item into enumeration
+     *
+     * @param            $key
+     * @param            $translation
+     * @param bool|false $overwrite
+     *
+     * @throws EnumerationExistsException
+     */
+    public static function push($key, $translation, $overwrite = false)
+    {
+        // item exists and we do not want to overwrite items
+        if (!$overwrite && isset(self::$items[$key])) {
+            throw new EnumerationExistsException($key);
+        }
+
+        // add to collection
+        self::$items[$key] = $translation;
+    }
+
+    /**
+     * Return count of all items in collection
+     *
+     * @return int
+     */
+    public static function getCount()
+    {
+        return count(self::$items);
+    }
+
+    /**
+     * Getter for all enumeration items in iven collection.
+     *
+     * Return value is associative array indexed by item "name". Value of each field is its translation (translation
+     * string, e.g. admin/mainMenu.something)
+     *
+     * @return array
+     */
+    public static function getWithTranslations()
+    {
+        return self::$items;
+    }
+
+    /**
+     * Getter for list of all enumeration items.
+     *
+     * @return array
+     */
+    public static function getSimple()
+    {
+        return array_keys(self::getWithTranslations());
+    }
+}

app/Enumerations/Exceptions/EnumerationExistsException.php

@@ -0,0 +1,6 @@
+<?php
+namespace App\Enumerations\Exceptions;
+
+class EnumerationExistsException extends \Exception {
+
+}