Merge branch 'MDL-64477-master-lastats' of git://github.com/mudrd8mz/moodle

2019-03-12 13:36:43 +08:00
parent 80fd0eb073 6cae6c9b55
commit fa50232ff7
4 changed files with 256 additions and 0 deletions
@@ -0,0 +1,78 @@
+<?php
+// This file is part of Moodle - https://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/>.
+
+/**
+ * Provides the {@link \core_analytics\stats} class.
+ *
+ * @package     core_analytics
+ * @copyright   2019 David Mudrák <[email protected]>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace core_analytics;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Provides stats and meta information about the analytics usage on this site.
+ *
+ * @copyright 2019 David Mudrák <[email protected]>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class stats {
+
+    /**
+     * Return the number of models enabled on this site.
+     *
+     * @return int
+     */
+    public static function enabled_models() : int {
+        return count(manager::get_all_models(true));
+    }
+
+    /**
+     * Return the number of predictions generated by the system.
+     *
+     * @return int
+     */
+    public static function predictions() : int {
+        global $DB;
+
+        return $DB->count_records('analytics_predictions');
+    }
+
+    /**
+     * Return the number of suggested actions executed by users.
+     *
+     * @return int
+     */
+    public static function actions() : int {
+        global $DB;
+
+        return $DB->count_records('analytics_prediction_actions');
+    }
+
+    /**
+     * Return the number of suggested actions flagged as not useful.
+     *
+     * @return int
+     */
+    public static function actions_not_useful() : int {
+        global $DB;
+
+        return $DB->count_records('analytics_prediction_actions', ['actionname' => prediction::ACTION_NOT_USEFUL]);
+    }
+}