From d8039ecd8a10a40641cd0bfa469ac8937af8b638 Mon Sep 17 00:00:00 2001
From: Brendan Heywood <brendan@catalyst-au.net>
Date: Tue, 21 Dec 2021 17:39:37 +1100
Subject: [PATCH] Added environment check #185

---
 classes/check/envage.php      | 94 +++++++++++++++++++++++++++++++++++
 lang/en/local_envbar.php      |  1 +
 lib.php                       | 11 ++++
 service/updatelastrefresh.php |  2 +
 version.php                   |  6 +--
 5 files changed, 111 insertions(+), 3 deletions(-)
 create mode 100644 classes/check/envage.php

diff --git a/classes/check/envage.php b/classes/check/envage.php
new file mode 100644
index 0000000..4437d5d
--- /dev/null
+++ b/classes/check/envage.php
@@ -0,0 +1,94 @@
+<?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/>.
+
+/**
+ * Check env refresh age
+ *
+ * @package     local_envbar
+ * @author      2021 Brendan Heywood (brendan@catalyst-au.net)
+ * @copyright   Catalyst IT Pty Ltd
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_envbar\check;
+
+defined('MOODLE_INTERNAL') || die();
+
+use core\check\check;
+use core\check\result;
+use local_envbar\local\envbarlib;
+
+/**
+ * Check env refresh age
+ *
+ * @package     local_envbar
+ * @author      2021 Brendan Heywood (brendan@catalyst-au.net)
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class envage extends check {
+
+    /**
+     * Constructor
+     */
+    public function __construct() {
+        global $CFG;
+        $this->id = 'envage';
+        $this->name = get_string('checkenvage', 'local_envbar');
+    }
+
+    /**
+     * A link to a place to action this
+     *
+     * @return \action_link|null
+     */
+    public function get_action_link(): ?\action_link {
+        return new \action_link(
+            new \moodle_url('/local/envbar/index.php'),
+            get_string('menuenvsettings', 'local_envbar'));
+    }
+
+    /**
+     * Return result
+     * @return result
+     */
+    public function get_result(): result {
+        global $CFG;
+
+        if (envbarlib::getprodwwwroot() === $CFG->wwwroot) {
+            return new result(result::NA, get_string('prodwwwroottext', 'local_envbar'), '');
+        }
+
+        $lastrefresh = get_config('local_envbar', 'prodlastcheck');
+
+        // This takes the lastrefresh timestamp and displays it similar to how it appears in
+        // the headers such as 'Friday, 27 August 2021 - 144 days old.'.
+        if ($lastrefresh && $lastrefresh > 0) {
+            $format = get_string('strftimedatemonthabbr', 'langconfig');
+            $summary = userdate($lastrefresh, get_string('strftimedaydate', 'langconfig'));
+
+            $show = format_time(time() - $lastrefresh);
+            $num = strtok($show, ' ');
+            $unit = strtok(' ');
+            $show = "$num $unit";
+            $summary .= ' - ' . get_string('refreshedago', 'local_envbar', $show);
+        } else {
+            $summary = get_string('refreshednever', 'local_envbar');
+        }
+
+        return new result(result::INFO, $summary, '');
+    }
+}
+
diff --git a/lang/en/local_envbar.php b/lang/en/local_envbar.php
index d5fc707..efd388f 100644
--- a/lang/en/local_envbar.php
+++ b/lang/en/local_envbar.php
@@ -26,6 +26,7 @@
 $string['addfields'] = 'Add another environment';
 $string['bgcolour'] = 'Background colour';
 $string['cachedef_records'] = 'The environment bar database records';
+$string['checkenvage'] = 'Check environment refresh age';
 $string['colourerror'] = 'Invalid HTML color code specified.';
 $string['colourplaceholder'] = 'HTML color code. e.g. #fff OR #000000';
 $string['configureinprod'] = 'Edit config';
diff --git a/lib.php b/lib.php
index b75c6a0..7763636 100644
--- a/lib.php
+++ b/lib.php
@@ -26,6 +26,17 @@
 
 use local_envbar\local\envbarlib;
 
+/**
+ * Add cron related service status checks
+ *
+ * @return array of check objects
+ */
+function local_envbar_security_checks(): array {
+    return [
+        new \local_envbar\check\envage(),
+    ];
+}
+
 /**
  * This is the hook enables the plugin to insert a chunk of html at the start of the html document.
  */
diff --git a/service/updatelastrefresh.php b/service/updatelastrefresh.php
index 1d17056..75bfc09 100644
--- a/service/updatelastrefresh.php
+++ b/service/updatelastrefresh.php
@@ -28,6 +28,8 @@
 
 use local_envbar\local\envbarlib;
 
+define('NO_MOODLE_COOKIES', true);
+
 require_once(dirname(__FILE__) . '/../../../config.php');
 
 $wwwroot = required_param('wwwroot', PARAM_RAW);
diff --git a/version.php b/version.php
index 0cf2044..099a73c 100644
--- a/version.php
+++ b/version.php
@@ -29,9 +29,9 @@
     die('Direct access to this script is forbidden.'); // It must be included from a Moodle page.
 }
 
-$plugin->version   = 2022011400;      // The current plugin version (Date: YYYYMMDDXX).
-$plugin->release   = 2022011400;      // Same as version
+$plugin->version   = 2022011401;      // The current plugin version (Date: YYYYMMDDXX).
+$plugin->release   = 2022011401;      // Same as version
 $plugin->requires  = 2014051200;      // Requires Moodle 2.7 or later.
-$plugin->component = "local_envbar";
+$plugin->component = 'local_envbar';
 $plugin->maturity  = MATURITY_STABLE;
 $plugin->supported = [310, 311];      // A range of branch numbers of supported moodle versions.