Add enum MDAppTokenSection

README.md

@@ -8,3 +8,7 @@ museum-digital.
 
 - Licenses
 - Languages
+
+## Enums
+
+As of PHP 8.1, PHP now supports enums. A new folder has been added in /src/enums to gather those types of new entries, that can be better expressed using enums at no direct loss (mainly in listing translated options).

src/enums/MDAppTokenSection.php

@@ -0,0 +1,34 @@
+<?PHP
+/**
+ * Lists the types of functionalities for which app tokens can be used in musdb.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Sections of musdb for which alternative output formats are available,
+ * that can be used with an app token.
+ */
+enum MDAppTokenSection {
+
+    case webcal;
+
+    /**
+     * Lists all available names.
+     *
+     * @return array<string>
+     */
+    public static function caseNames():array {
+
+        $output = [];
+
+        $cases = self::cases();
+        foreach ($cases as $case) {
+            $output[] = $case->name;
+        }
+
+        return $output;
+
+    }
+}