Upgrade LBCAlerte to version 3.3

Add upgrade script

sources/lib/Message/Adapter/Slack.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace Message\Adapter;
+
+class Slack extends AdapterAbstract
+{
+    protected $hookurl = "";
+
+    /**
+     * @param string $message
+     * @throws \Exception
+     */
+    public function send($message, array $options = array())
+    {
+        $this->setOptions($options);
+        $message = trim($message);
+        if (!$this->hookurl) {
+            throw new \Exception("Un des paramètres obligatoires est manquant", 400);
+        }
+
+        if ($url = $this->getUrl()) {
+            $message = "<".$url."|".$message.">";
+        }
+        $params = array(
+            "text" => $message,
+        );
+
+        $curl = $this->getCurl(array(
+            CURLOPT_POST => true,
+            CURLOPT_URL => $this->hookurl,
+            CURLOPT_POSTFIELDS => array(
+                "payload" => json_encode($params),
+            ),
+        ));
+
+        $response = curl_exec($curl);
+
+        if ($response === false) {
+            throw new \Exception("cURL Error: " . curl_error($curl));
+        }
+
+        $response = json_decode($response, true);
+        if (!empty($response["errorMessage"])) {
+            throw new \Exception("Errors:\n" . $response["errorMessage"]);
+        }
+
+        return true;
+    }
+
+    /**
+     * @param string $device_ids
+     * @return Slack
+     */
+    public function setHookurl($hookurl)
+    {
+        $this->hookurl = $hookurl;
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHookurl()
+    {
+        return $this->hookurl;
+    }
+}