feat: add Event model

Author: xchopin

src/Model/Event.php

@@ -0,0 +1,86 @@
+<?php
+
+/**
+ *
+ * Event class
+ *
+ * @copyright Apereo
+ * @category OpenLRW
+ * @package  Entity
+ * @author   Xavier Chopin <[email protected]>
+ * @license  http://www.osedu.org/licenses/ECL-2.0 ECL-2.0 License
+ */
+
+
+namespace OpenLRW\Model;
+
+ use DateTime;
+ use OpenLRW\OpenLRW;
+ use OpenLRW\Exception\GenericException;
+
+ class Event extends Model
+{
+
+    private static function postCaliper($data)
+    {
+        $header =  [
+            'X-Requested-With' => 'XMLHttpRequest',
+            'Content-Type' => 'application/json',
+            'Authorization' =>  OpenLRW::getKey()
+        ];
+
+        return OpenLRW::guzzlePost('key/caliper', ['headers' => $header, 'body' => $data])->getStatusCode();
+    }
+
+
+     /**
+      * Create and send Caliper Event
+      *
+      * @param $userId
+      * @param $action
+      * @param string $applicationName
+      * @param string $description
+      * @param string $groupId
+      * @return string
+      */
+     public static function caliperFactory($userId, $action, $description = '', $groupId =  'null', $applicationName = 'php-api-client')
+     {
+         $date = date_format(new DateTime('NOW'), 'Y-m-d\TH:i:s.755\Z');
+         $eventId = sha1($userId . $date);
+         $json = '
+        {
+        	"data": [
+        	 {
+                "@context": "http://purl.imsglobal.org/ctx/caliper/v1p1",
+                "@type": "Event",
+                "action": "' . $action . '",
+                "actor": {
+                    "@id": "' . $userId . '",
+                    "@type": "Person"
+                },
+                "eventTime": "' . $date . '",
+                "object": {
+                    "@id": "' . $eventId . '",
+                    "@type": "SoftwareApplication",
+                    "name": "' . $applicationName . '",
+                    "description": "' . $description . '"
+                 },
+                "group": { 
+                    "@id": "' . $groupId . '",
+                    "@type": "Group"
+                }
+            }
+        	],
+        	 "sendTime": "' . $date . '",
+             "sensor": "http://localhost/web/php-api-client"
+        }';
+
+         try {
+             return self::postCaliper($json);
+         } catch (\Exception $e) {
+             throw new GenericException($e->getMessage());
+         }
+     }
+
+
+ }