Change version

classes/editform.php

@@ -15,7 +15,7 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * Defines the form of editing the service.
+ * Defines forms.
  *
  * @package   local_webhooks
  * @copyright 2017 "Valentin Popov" <info@valentineus.link>
@@ -28,9 +28,9 @@ defined("MOODLE_INTERNAL") || die();
 
 require_once($CFG->libdir . "/formslib.php");
 
-use report_eventlist_list_generator;
 use lang_string;
 use moodleform;
+use report_eventlist_list_generator;
 
 /**
  * Description editing form definition.
@@ -47,7 +47,7 @@ class service_edit_form extends moodleform {
     }
 
     /**
-     * Unpacks data for display.
+     * Preparing data before displaying.
      *
      * @param object $record
      */
@@ -64,17 +64,18 @@ class service_edit_form extends moodleform {
      */
     protected function definition() {
         $mform =& $this->_form;
+        $size  = array("size" => 60);
 
         /* Form heading */
         $mform->addElement("header", "editserviceheader", new lang_string("service", "webservice"));
 
         /* Name of the service */
-        $mform->addElement("text", "title", new lang_string("name", "moodle"), array("size" => 60));
+        $mform->addElement("text", "title", new lang_string("name", "moodle"), $size);
         $mform->addRule("title", null, "required");
         $mform->setType("title", PARAM_NOTAGS);
 
         /* Callback address */
-        $mform->addElement("text", "url", new lang_string("url", "moodle"), array("size" => 60));
+        $mform->addElement("text", "url", new lang_string("url", "moodle"), $size);
         $mform->addRule("url", null, "required");
         $mform->setType("url", PARAM_URL);
 
@@ -85,11 +86,17 @@ class service_edit_form extends moodleform {
         $mform->setAdvanced("enable");
 
         /* Token */
-        $mform->addElement("text", "token", new lang_string("token", "webservice"), array("size" => 60));
+        $mform->addElement("text", "token", new lang_string("token", "webservice"), $size);
         $mform->setType("token", PARAM_NOTAGS);
 
+        /* Additional information */
+        $mform->addElement("text", "other", new lang_string("sourceext", "plugin"), $size);
+        $mform->setType("other", PARAM_NOTAGS);
+        $mform->setAdvanced("other");
+
         /* Content type */
-        $mform->addElement("select", "type", "Content type", array("json" => "application/json", "x-www-form-urlencoded" => "application/x-www-form-urlencoded"));
+        $contenttype = array("json" => "application/json", "x-www-form-urlencoded" => "application/x-www-form-urlencoded");
+        $mform->addElement("select", "type", "Content type", $contenttype);
         $mform->setAdvanced("type");
 
         /* Form heading */
@@ -97,7 +104,7 @@ class service_edit_form extends moodleform {
 
         /* List of events */
         $eventlist = report_eventlist_list_generator::get_all_events_list(true);
-        $events = array();
+        $events    = array();
 
         /* Formation of the list of elements */
         foreach ($eventlist as $event) {
@@ -112,4 +119,36 @@ class service_edit_form extends moodleform {
         /* Control Panel */
         $this->add_action_buttons(true);
     }
+}
+
+/**
+ * Description of the form of restoration.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class service_backup_form extends moodleform {
+    /**
+     * @param string $baseurl
+     */
+    public function __construct($baseurl) {
+        parent::__construct($baseurl);
+    }
+
+    /**
+     * Defines the standard structure of the form.
+     */
+    protected function definition() {
+        $mform =& $this->_form;
+
+        /* Form heading */
+        $mform->addElement("header", "editserviceheader", new lang_string("restore", "moodle"));
+
+        /* Download the file */
+        $mform->addElement("filepicker", "backupfile", new lang_string("file", "moodle"));
+        $mform->addRule("backupfile", null, "required");
+
+        /* Control Panel */
+        $this->add_action_buttons(true, new lang_string("restore", "moodle"));
+    }
 }

classes/event/backup_performed.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class backup_performed extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "c";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("create", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return new \lang_string("backup", "moodle");
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/managerservice.php");
+    }
+}

classes/event/backup_restored.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class backup_restored extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "u";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("update", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return new \lang_string("backupfinished", "moodle");
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/managerservice.php");
+    }
+}

classes/event/response_answer.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class response_answer extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "r";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("answer", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return $this->other["status"];
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/editservice.php", array("serviceid" => $this->objectid));
+    }
+}

classes/event/service_added.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class service_added extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "c";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("create", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return new \lang_string("eventwebserviceservicecreated", "webservice");
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/editservice.php", array("serviceid" => $this->objectid));
+    }
+}

classes/event/service_deleted.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class service_deleted extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "d";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("deleted", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return new \lang_string("eventwebserviceservicedeleted", "webservice");
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/editservice.php", array("serviceid" => $this->objectid));
+    }
+}

classes/event/service_updated.php

@@ -0,0 +1,65 @@
+<?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/>.
+
+/**
+ * Registration of the system of events.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks\event;
+
+defined("MOODLE_INTERNAL") || die();
+
+/**
+ * Defines how to work with events.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class service_updated extends \core\event\base {
+    /**
+     * Init method.
+     */
+    protected function init() {
+        $this->data["crud"]        = "u";
+        $this->data["edulevel"]    = self::LEVEL_OTHER;
+        $this->data["objecttable"] = "local_webhooks_service";
+    }
+
+    /**
+     * Return localised event name.
+     */
+    public static function get_name() {
+        return new \lang_string("update", "moodle");
+    }
+
+    /**
+     * Returns description of what happened.
+     */
+    public function get_description() {
+        return new \lang_string("eventwebserviceserviceupdated", "webservice");
+    }
+
+    /**
+     * Get URL related to the action.
+     */
+    public function get_url() {
+        return new \moodle_url("/local/webhooks/editservice.php", array("serviceid" => $this->objectid));
+    }
+}

classes/handler.php

@@ -28,27 +28,21 @@ defined("MOODLE_INTERNAL") || die();
 
 require_once($CFG->libdir . "/filelib.php");
 
-use curl;
-
 /**
  * Defines how to work with events.
  *
  * @copyright 2017 "Valentin Popov" <info@valentineus.link>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class events {
+class handler {
     /**
      * External handler.
      *
      * @param object $event
      */
-    public static function handler($event) {
-        $enable = get_config("local_webhooks", "enable");
-
-        if (boolval($enable)) {
-            $data = $event->get_data();
-            self::transmitter($data);
-        }
+    public static function events($event) {
+        $data = $event->get_data();
+        self::transmitter($data);
     }
 
     /**
@@ -77,16 +71,26 @@ class events {
      * @param object $callback
      */
     private static function handler_callback($data, $callback) {
-        if ($callback->enable) {
+        global $CFG;
+
+        if (boolval($callback->enable)) {
+            $events = array();
             if (!empty($callback->events)) {
                 $events = unserialize(gzuncompress(base64_decode($callback->events)));
             }
 
             if (!empty($events[$data["eventname"]])) {
-                if (boolval($callback->token)) {
+                $urlparse = parse_url($CFG->wwwroot);
+                $data["host"] = $urlparse['host'];
+
+                if (!empty($callback->token)) {
                     $data["token"] = $callback->token;
                 }
 
+                if (!empty($callback->other)) {
+                    $data["extra"] = $callback->other;
+                }
+
                 self::send($data, $callback);
             }
         }
@@ -99,9 +103,36 @@ class events {
      * @param object $callback
      */
     private static function send($data, $callback) {
-        $curl = new curl();
+        $curl = new \curl();
         $curl->setHeader(array("Content-Type: application/$callback->type"));
         $curl->post($callback->url, json_encode($data));
-        return $curl->getResponse();
+        $response = $curl->getResponse();
+        self::logger($callback, $response);
+        return $response;
+    }
+
+    /**
+     * Event logging.
+     *
+     * @param array $response
+     * @param object $callback
+     */
+    private static function logger($callback, $response) {
+        $status = "Error sending request";
+        if (!empty($response["HTTP/1.1"])) {
+            $status = $response["HTTP/1.1"];
+        }
+
+        $event = \local_webhooks\event\response_answer::create(
+            array(
+                "context"  => \context_system::instance(0),
+                "objectid" => $callback->id,
+                "other"    => array(
+                    "status" => $status
+                )
+            )
+        );
+
+        $event->trigger();
     }
 }

db/events.php

@@ -26,10 +26,10 @@ defined("MOODLE_INTERNAL") || die();
 
 $observers = array(
     array(
-        "eventname" => "*",
-        "callback" => "\local_webhooks\\events::handler",
+        "callback"    => "\local_webhooks\\handler::events",
+        "eventname"   => "*",
         "includefile" => null,
-        "priority" => 200,
-        "internal" => true
+        "internal"    => true,
+        "priority"    => 200
     )
 );

db/install.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="blocks/local_webhooks/db" VERSION="20171026" COMMENT="XMLDB file for Moodle" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd">
+<XMLDB PATH="blocks/local_webhooks/db" VERSION="20171029" COMMENT="XMLDB file for Moodle" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd">
     <TABLES>
         <TABLE NAME="local_webhooks_service" COMMENT="A table for storing callback services.">
             <FIELDS>
@@ -10,10 +10,11 @@
                 <FIELD NAME="type" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" />
                 <FIELD NAME="token" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" />
                 <FIELD NAME="events" TYPE="text" NOTNULL="false" SEQUENCE="false" />
+                <FIELD NAME="other" TYPE="text" NOTNULL="false" SEQUENCE="false" />
             </FIELDS>
             <KEYS>
                 <KEY NAME="primary" TYPE="primary" FIELDS="id" />
             </KEYS>
         </TABLE>
     </TABLES>
-</XMLDB>
+</XMLDB>

editservice.php

@@ -23,19 +23,18 @@
  */
 
 require_once(__DIR__ . "/../../config.php");
+require_once(__DIR__ . "/classes/editform.php");
 require_once($CFG->libdir . "/adminlib.php");
-require_once(__DIR__ . "/classes/forms.php");
 
-admin_externalpage_setup("managelocalplugins");
+admin_externalpage_setup("local_webhooks");
 
+/* Optional parameters */
 $serviceid = optional_param("serviceid", 0, PARAM_INT);
 
-require_login();
-
 /* Link generation */
-$urlparameters = array("serviceid" => $serviceid);
+$urlparameters  = array("serviceid" => $serviceid);
 $managerservice = new moodle_url("/local/webhooks/managerservice.php", $urlparameters);
-$baseurl = new moodle_url("/local/webhooks/editservice.php", $urlparameters);
+$baseurl        = new moodle_url("/local/webhooks/editservice.php", $urlparameters);
 $PAGE->set_url($baseurl, $urlparameters);
 
 /* Configure the context of the page */
@@ -43,7 +42,7 @@ $context = context_system::instance();
 $PAGE->set_context($context);
 
 /* Preparing a template for data */
-$titlepage = new lang_string("externalservice", "webservice");
+$titlepage     = new lang_string("externalservice", "webservice");
 $servicerecord = new stdClass;
 
 /* Create an editing form */
@@ -55,23 +54,36 @@ if ($mform->is_cancelled()) {
 }
 
 /* Getting the data */
-if ($idediting = boolval($serviceid)) {
+if ($editing = boolval($serviceid)) {
     $servicerecord = $DB->get_record("local_webhooks_service", array("id" => $serviceid), "*", MUST_EXIST);
     $mform->set_data($servicerecord);
 }
 
 /* Processing of received data */
 if ($data = $mform->get_data()) {
-    if (!empty($data->events)) {
-        $data->events = base64_encode(gzcompress(serialize($data->events), 9));
+    if (empty($data->events)) {
+        $data->events = array();
     }
 
-    if (boolval($idediting)) {
+    /* Pack the list of events */
+    $data->events = base64_encode(gzcompress(serialize($data->events), 9));
+
+    if ($editing) {
         $data->id = $serviceid;
         $DB->update_record("local_webhooks_service", $data);
+
+        /* Run the event */
+        $event = \local_webhooks\event\service_updated::create(array("context" => $context, "objectid" => $data->id));
+        $event->trigger();
+
         redirect($managerservice, new lang_string("eventwebserviceserviceupdated", "webservice"));
     } else {
-        $DB->insert_record("local_webhooks_service", $data);
+        $servicenewid = $DB->insert_record("local_webhooks_service", $data);
+
+        /* Run the event */
+        $event = \local_webhooks\event\service_added::create(array("context" => $context, "objectid" => $servicenewid));
+        $event->trigger();
+
         redirect($managerservice, new lang_string("eventwebserviceservicecreated", "webservice"));
     }
 }
@@ -82,8 +94,6 @@ $PAGE->set_heading($titlepage);
 $PAGE->set_title($titlepage);
 
 /* The page title */
-$PAGE->navbar->add(new lang_string("pluginname", "local_webhooks"), new moodle_url("/admin/settings.php", array("section" => "local_webhooks")));
-$PAGE->navbar->add(new lang_string("externalservices", "webservice"), $managerservice);
 $PAGE->navbar->add($titlepage);
 echo $OUTPUT->header();
 

managerservice.php

@@ -26,16 +26,19 @@ require_once(__DIR__ . "/../../config.php");
 require_once($CFG->libdir . "/tablelib.php");
 require_once($CFG->libdir . "/adminlib.php");
 
-admin_externalpage_setup("managelocalplugins");
+admin_externalpage_setup("local_webhooks");
 
-$hideshowid = optional_param("hideshowid", 0, PARAM_INT);
-$deleteid = optional_param("deleteid", 0, PARAM_INT);
+/* Optional parameters */
+$backupservices = optional_param("getbackup", 0, PARAM_BOOL);
+$deleteid       = optional_param("deleteid", 0, PARAM_INT);
+$hideshowid     = optional_param("hideshowid", 0, PARAM_INT);
 
-require_login();
+/* Used references */
+$editservice    = "/local/webhooks/editservice.php";
+$managerservice = "/local/webhooks/managerservice.php";
+$restorebackup  = "/local/webhooks/restorebackup.php";
 
 /* Link generation */
-$managerservice = "/local/webhooks/managerservice.php";
-$editservice = "/local/webhooks/editservice.php";
 $baseurl = new moodle_url($managerservice);
 $PAGE->set_url($baseurl);
 
@@ -46,12 +49,29 @@ $PAGE->set_context($context);
 /* Delete the service */
 if (boolval($deleteid) && confirm_sesskey()) {
     $DB->delete_records("local_webhooks_service", array("id" => $deleteid));
+
+    /* Run the event */
+    $event = \local_webhooks\event\service_deleted::create(array("context" => $context, "objectid" => $deleteid));
+    $event->trigger();
+
     redirect($PAGE->url, new lang_string("eventwebserviceservicedeleted", "webservice"));
 }
 
 /* Retrieving a list of services */
 $callbacks = $DB->get_records_select("local_webhooks_service", null, null, $DB->sql_order_by_text("id"));
 
+/* Upload settings as a file */
+if (boolval($backupservices)) {
+    $filecontent = base64_encode(gzcompress(serialize($callbacks), 9));
+    $filename    = "webhooks_" . date("U") . ".backup";
+
+    /* Run the event */
+    $event = \local_webhooks\event\backup_performed::create(array("context" => $context, "objectid" => 0));
+    $event->trigger();
+
+    send_file($filecontent, $filename, 0, 0, true, true);
+}
+
 /* Switching the status of the service */
 if (boolval($hideshowid) && confirm_sesskey()) {
     $callback = $callbacks[$hideshowid];
@@ -59,19 +79,22 @@ if (boolval($hideshowid) && confirm_sesskey()) {
     if (!empty($callback)) {
         $callback->enable = !boolval($callback->enable);
         $DB->update_record("local_webhooks_service", $callback);
+
+        /* Run the event */
+        $event = \local_webhooks\event\service_updated::create(array("context" => $context, "objectid" => $hideshowid));
+        $event->trigger();
+
         redirect($PAGE->url, new lang_string("eventwebserviceserviceupdated", "webservice"));
     }
 }
 
 /* Page template */
-$titlepage = new lang_string("externalservices", "webservice");
+$titlepage = new lang_string("pluginname", "local_webhooks");
 $PAGE->set_pagelayout("admin");
 $PAGE->set_title($titlepage);
 $PAGE->set_heading($titlepage);
 
 /* The page title */
-$PAGE->navbar->add(new lang_string("pluginname", "local_webhooks"), new moodle_url("/admin/settings.php", array("section" => "local_webhooks")));
-$PAGE->navbar->add($titlepage, $baseurl);
 echo $OUTPUT->header();
 
 /* Table declaration */
@@ -86,13 +109,13 @@ $table->setup();
 foreach ($callbacks as $callback) {
     /* Filling of information columns */
     $titlecallback = html_writer::div($callback->title, "title");
-    $urlcallback = html_writer::div($callback->url, "url");
+    $urlcallback   = html_writer::div($callback->url, "url");
 
     /* Defining service status */
-    $hideshowicon = "t/show";
+    $hideshowicon   = "t/show";
     $hideshowstring = new lang_string("enable", "moodle");
     if (boolval($callback->enable)) {
-        $hideshowicon = "t/hide";
+        $hideshowicon   = "t/hide";
         $hideshowstring = new lang_string("disable", "moodle");
     }
 
@@ -116,7 +139,15 @@ foreach ($callbacks as $callback) {
 $table->print_html();
 
 /* Add service button */
-$addurl = new moodle_url("/local/webhooks/editservice.php");
-echo $OUTPUT->single_button($addurl, new lang_string("addaservice", "webservice"), "get");
+$addserviceurl = new moodle_url($editservice);
+echo $OUTPUT->single_button($addserviceurl, new lang_string("addaservice", "webservice"), "get");
+
+/* Button to get a backup */
+$backupurl = new moodle_url($managerservice, array("getbackup" => true));
+echo $OUTPUT->single_button($backupurl, new lang_string("backup", "moodle"), "get");
+
+/* Button for restoring settings */
+$restorebackupurl = new moodle_url($restorebackup, array("sesskey" => sesskey()));
+echo $OUTPUT->single_button($restorebackupurl, new lang_string("restore", "moodle"), "get");
 
 echo $OUTPUT->footer();

restorebackup.php

@@ -0,0 +1,79 @@
+<?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/>.
+
+/**
+ * Restore settings page.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+require_once(__DIR__ . "/../../config.php");
+require_once(__DIR__ . "/classes/editform.php");
+require_once($CFG->libdir . "/adminlib.php");
+
+admin_externalpage_setup("local_webhooks");
+
+/* Link generation */
+$managerservice = new moodle_url("/local/webhooks/managerservice.php");
+$baseurl        = new moodle_url("/local/webhooks/restorebackup.php");
+$PAGE->set_url($baseurl);
+
+/* Configure the context of the page */
+$context = context_system::instance();
+$PAGE->set_context($context);
+
+/* Create an editing form */
+$mform = new \local_webhooks\service_backup_form($PAGE->url);
+
+/* Cancel processing */
+if ($mform->is_cancelled()) {
+    redirect($managerservice);
+}
+
+/* Processing the received file */
+$data = $mform->get_data();
+if (boolval($data) && confirm_sesskey()) {
+    $content   = $mform->get_file_content("backupfile");
+    $callbacks = unserialize(gzuncompress(base64_decode($content)));
+
+    $DB->delete_records("local_webhooks_service");
+    foreach ($callbacks as $callback) {
+        $DB->insert_record("local_webhooks_service", $callback);
+    }
+
+    /* Run the event */
+    $event = \local_webhooks\event\backup_restored::create(array("context" => $context, "objectid" => 0));
+    $event->trigger();
+
+    redirect($managerservice, new lang_string("restorefinished", "moodle"));
+}
+
+/* Page template */
+$titlepage = new lang_string("backup", "moodle");
+$PAGE->set_pagelayout("admin");
+$PAGE->set_heading($titlepage);
+$PAGE->set_title($titlepage);
+
+/* The page title */
+$PAGE->navbar->add($titlepage);
+echo $OUTPUT->header();
+
+/* Displays the form */
+$mform->display();
+
+echo $OUTPUT->footer();

settings.php

@@ -24,16 +24,9 @@
 
 defined("MOODLE_INTERNAL") || die();
 
-$settings = null;
 if ($hassiteconfig) {
-    $settings = new admin_settingpage("local_webhooks", new lang_string("pluginname", "local_webhooks"));
-    $ADMIN->add("localplugins", $settings);
-
-    /* The switch of the interceptor of events */
-    $settings->add(new admin_setting_configcheckbox("local_webhooks/enable", new lang_string("enable", "moodle"), new lang_string("enablews", "webservice"), false));
-
-    /* Link to the service manager */
-    $linktext = new lang_string("externalservices", "webservice");
-    $linkurl = new moodle_url("/local/webhooks/managerservice.php");
-    $settings->add(new admin_setting_heading("local_webhooks_managerservice", null, html_writer::link($linkurl, $linktext)));
+    $ADMIN->add("server", new admin_externalpage("local_webhooks",
+        new lang_string("pluginname", "local_webhooks"),
+        new moodle_url("/local/webhooks/managerservice.php")
+    ));
 }

version.php

@@ -23,8 +23,9 @@
  */
 
 defined("MOODLE_INTERNAL") || die();
-$plugin->release   = "0.5.0 (Build: 2017102630)";
-$plugin->version   = 2017102630;
+
+$plugin->release   = "2.1.0 (Build: 2017111810)";
+$plugin->version   = 2017111810;
 $plugin->requires  = 2016112900;
 $plugin->component = "local_webhooks";
-$plugin->maturity  = MATURITY_RC;
+$plugin->maturity  = MATURITY_STABLE;