Update repository base code to be cleaner and make use of PHP 7 features

app/Contracts/Repository/Attributes/SearchableInterface.php

@@ -1,21 +1,38 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
- *
- * This software is licensed under the terms of the MIT license.
- * https://opensource.org/licenses/MIT
- */
 
 namespace Pterodactyl\Contracts\Repository\Attributes;
 
 interface SearchableInterface
 {
     /**
-     * Filter results by search term.
+     * Set the search term.
      *
-     * @param string $term
+     * @param string|null $term
      * @return $this
+     * @deprecated
      */
     public function search($term);
+
+    /**
+     * Set the search term to use when requesting all records from
+     * the model.
+     *
+     * @param string|null $term
+     * @return $this
+     */
+    public function setSearchTerm(string $term = null);
+
+    /**
+     * Determine if a valid search term is set on this repository.
+     *
+     * @return bool
+     */
+    public function hasSearchTerm(): bool;
+
+    /**
+     * Return the search term.
+     *
+     * @return string|null
+     */
+    public function getSearchTerm();
 }