2 files changed, 136 insertions, 6 deletions

diff --git a/classes/events.php b/classes/events.php
index bf77d4d..5dfb0cf 100644
--- a/classes/events.php
+++ b/classes/events.php
@@ -24,19 +24,68 @@
 
 namespace local_webhooks;
 
-defined('MOODLE_INTERNAL') || die();
+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 events {
+    /**
+     * External handler.
+     *
+     * @param object $event
+     */
     public static function handler($event) {
-        $enabled = boolval(get_config('local_webhooks', 'enabled'));
-        $url = get_config('local_webhooks', 'url');
+        $config = get_config("local_webhooks");
 
-        if ($enabled && !empty($url)) {
+        if (boolval($config->enable)) {
             $data = $event->get_data();
-            $json = json_encode($data);
+            self::transmitter($data);
+        }
+    }
+
+    /**
+     * Transmitter, processing event and services.
+     *
+     * @param array $data
+     */
+    private static function transmitter($data) {
+        global $DB;
 
+        $callbacks = $DB->get_recordset("local_webhooks_service");
+
+        if ($callbacks->valid()) {
+            foreach ($callbacks as $callback) {
+                self::send($data, $callback);
+            }
+        }
+
+        $callbacks->close();
+    }
+
+    /**
+     * Sending data to the node.
+     *
+     * @param array $data
+     * @param object $callback
+     */
+    private static function send($data, $callback) {
+        if ($callback->enable) {
             $curl = new curl();
-            $curl::request($url, $json);
+            $package = self::packup($data);
+            $curl::request($callback->url, $package);
         }
     }
+
+    /**
+     * Packs the data for transmission.
+     *
+     * @param array $data
+     */
+    private static function packup($data) {
+        return json_encode($data);
+    }
 }
\ No newline at end of file
diff --git a/classes/forms.php b/classes/forms.php
new file mode 100644
index 0000000..c232a7b
--- /dev/null
+++ b/classes/forms.php
@@ -0,0 +1,81 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Defines the form of editing the service.
+ *
+ * @package   local_webhooks
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace local_webhooks;
+
+defined("MOODLE_INTERNAL") || die();
+
+require_once($CFG->libdir . "/formslib.php");
+use lang_string;
+use moodleform;
+
+/**
+ * Description editing form definition.
+ *
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class service_edit_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("service", "webservice"));
+
+        /* Name of the service */
+        $mform->addElement("text", "title",
+            new lang_string("name", "moodle"),
+            array("size" => 60));
+        $mform->setType("title", PARAM_NOTAGS);
+        $mform->addRule("title", null, "required");
+
+        /* Callback address */
+        $mform->addElement("text", "url",
+            new lang_string("url", "moodle"),
+            array("size" => 60));
+        $mform->setType("url", PARAM_URL);
+        $mform->addRule("url", null, "required");
+
+        /* Enabling the service */
+        $mform->addElement("checkbox", "enable",
+            new lang_string("enable", "moodle"));
+        $mform->setType("enable", PARAM_BOOL);
+        $mform->setDefault("enable", 1);
+        $mform->setAdvanced("enable");
+
+        /* Control Panel */
+        $this->add_action_buttons(true);
+    }
+}
\ No newline at end of file