MDL-72619 core_cache: Provide admin page to view cache size estimates

2021-10-11 16:49:21 +01:00
parent b8291d04f4
commit 1b94bb8c20
15 changed files with 749 additions and 3 deletions
@@ -0,0 +1,58 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Form for usage page to select number of samples.
+ *
+ * @package core_cache
+ * @copyright 2021 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_cache\output;
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->libdir . '/formslib.php');
+
+/**
+ * Form for usage page to select number of samples.
+ *
+ * @package core_cache
+ */
+class usage_samples_form extends \moodleform {
+    /**
+     * Constructor sets form up to use GET request to current page.
+     */
+    public function __construct() {
+        parent::__construct(null, null, 'get');
+    }
+
+    /**
+     * Adds controls to form.
+     */
+    protected function definition() {
+        $mform = $this->_form;
+
+        $radioarray = [];
+        foreach ([50, 100, 200, 500, 1000] as $samples) {
+            $radioarray[] = $mform->createElement('radio', 'samples', '', $samples, $samples);
+        }
+        $mform->setDefault('samples', 50);
+        $mform->addGroup($radioarray, 'samplesradios', get_string('usage_samples', 'cache'), [' '], false);
+        $mform->addElement('submit', 'submit', get_string('update'));
+    }
+}