From 5d8bf6b7881f56dff9e26c2f0d056fe1de9731e7 Mon Sep 17 00:00:00 2001
From: Oliver Raduner <github@raduner.ch>
Date: Mon, 5 Feb 2018 00:22:20 +0100
Subject: [PATCH] [Bug #725] Zorg Code Version wird nun im Footer auf
 https://zorg.ch/ angezeigt

---
 www/includes/smarty.fnc.php     |  2 +-
 www/includes/util.inc.php       | 42 +++++++++++++++++++++++++++++++++
 www/templates/layout/footer.tpl |  3 +++
 3 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/www/includes/smarty.fnc.php b/www/includes/smarty.fnc.php
index 7a79a181..93e57f7f 100644
--- a/www/includes/smarty.fnc.php
+++ b/www/includes/smarty.fnc.php
@@ -1281,7 +1281,7 @@ function smarty_modifier_rendertime($mode='begin')
 								,'online_users' => array(var_online_users(), 'Usersystem', 'Array mit allen zur Zeit eingeloggten Usern', false)
 								,'num_new_events' => array(Events::getNumNewEvents(), 'Events', 'Zeigt Anzahl neu erstellter Events an', true)
 								,'login_error' => array($login_error, 'Usersystem', 'Ist leer oder enthält Fehlermeldung eines versuchten aber fehlgeschlagenen Logins eines Benutzers', false)
-								
+								,'code_info' => array(getGitCodeVersion(), 'Code Info', 'Holt die aktuellen Code Infos (Version, last commit, etc.) aus dem Git HEAD', false)
 								
     						 );
 	
diff --git a/www/includes/util.inc.php b/www/includes/util.inc.php
index 876442b3..6e4c9ab6 100644
--- a/www/includes/util.inc.php
+++ b/www/includes/util.inc.php
@@ -70,6 +70,20 @@ function timename($timestamp) {
 
 }
 
+/**
+ * Funktion um ein Datum-Zeit String in einen Timestamp umzuweandeln
+ * @author IneX
+ * @date 04.02.2018
+ * @param @datetime Must be valid full Date-Time String, e.g. 2016-03-11 11:00:00
+ * @return string
+ */
+function datetimeToTimestamp($datetime)
+{
+	$d = new DateTime($datetime, new DateTimeZone('Europe/Zurich'));
+	return $d->getTimestamp();
+}
+
+
 function emailusername($username) {
 	$username = strtolower($username);
 	$username = str_replace("ä", "ae", $username);
@@ -517,3 +531,31 @@ function urlExists($url)
     }
     return false;
 }
+
+
+/**
+ * Get Code information from Git
+ * Usage: echo getGitVersion();
+ * Result: MyApplication v1.2.3-dev.474a1d0 (2016-11-02 14:11:22)
+ *
+ * @author IneX
+ * @date 04.02.2018
+ * @version 1.0
+ * @link https://stackoverflow.com/a/33986403/5750030
+ * @return array
+ */
+function getGitCodeVersion()
+{
+	try {
+    	$codeVersion['version'] = trim(exec('git describe --tags --abbrev=0'));
+    	$codeVersion['last_commit'] = trim(exec('git log --pretty="%h" -n1 HEAD'));
+    	$lastCommitDatetime = trim(exec('git log -n1 --pretty=%ci HEAD'));
+		
+		$codeVersion['last_update'] = datetimeToTimestamp($lastCommitDatetime);
+		
+    	return $codeVersion;
+
+    } catch (Exception $e) {
+		error_log($e->getMessage());
+	}
+}
diff --git a/www/templates/layout/footer.tpl b/www/templates/layout/footer.tpl
index 0cd38cd8..9cff3121 100644
--- a/www/templates/layout/footer.tpl
+++ b/www/templates/layout/footer.tpl
@@ -21,6 +21,9 @@
 						<a href="spaceweather.php">[more]</a>
 					{/if}
 					<br /><a href="/?word=impressum">Impressum</a> | <a href="/?word=privacy">Privacy-Policy</a> | <a href="/?word=verein">Zorg Verein</a>
+					{if $code_info.version != ''}
+						| Code Version: {$code_info.version}, {$code_info.last_commit} (updated: {$code_info.last_update|datename}){if $user->typ == 2} <a href="https://bitbucket.org/zorgvorstand/zorg.ch/commits/{$code_info.last_commit}" target="_blank">[view]</a>{/if}
+					{/if}
 				</td>
 			</tr>
 		</table>