Auto upgrade feature

README.md

@@ -28,6 +28,9 @@ To install with Docker please refer to the [Docker installation readme](/docs/IN
 
 Please read how to deploy to [Heroku here](/docs/HEROKU.md)
 
+## Updates?
+
+Automatic Updates are enabled in the system and a notification will appear in the alert box. If you'd like to check for the updates manually, you can go to settings and click on "Update System Now!" to check for available updates.
 ## How do I install Engelsystem on my local machine from bash script
 
 Please check out [the documentation here](/docs/INSTALLATION_BASH_SCRIPT.md).

Version.txt

@@ -0,0 +1 @@
+Version: 1.0

db/update.sql

@@ -68,6 +68,7 @@ CREATE TABLE IF NOT EXISTS `Settings` (
   `event_start_date` int(11) DEFAULT NULL,
   `event_end_date` int(11) DEFAULT NULL,
   `teardown_end_date` int(11) DEFAULT NULL,
+  `autoupdate` tinyint(1) NOT NULL DEFAULT '0',
   `event_welcome_msg` varchar(255) DEFAULT NULL,
   `table_migrated` int(11) DEFAULT '0'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;

includes/controller/user_settings_controller.php

@@ -35,6 +35,7 @@ function user_settings() {
   $current_city = $user['current_city'];
   $native_lang = $user['native_lang'];
   $other_langs = $user['other_langs'];
+  $auto_update = false;
   if (isset($_REQUEST['submit'])) {
     $ok = true;
     if (isset($_REQUEST['mail']) && strlen(strip_request_item('mail')) > 0) {
@@ -181,18 +182,59 @@ function user_settings() {
       success("Language changed.");
       redirect(page_link_to('user_settings'));
     }
-  }elseif (isset($_REQUEST['submit_message'])){
+  } elseif (isset($_REQUEST['submit_message'])) {
       $ok=true;
       if(isset($_REQUEST['display_message']))
         $display_message=strip_request_item('display_message');
       else
         $ok = false;
-      if($ok){
+
+      if ($ok) {
         update_display_msg($display_message);
         success("Message Changed");
         redirect(page_link_to('user_settings'));
       }
   }
+  elseif (isset($_REQUEST['update'])) {
+    $ok = true;
+
+    $online_ver = file_get_contents("https://raw.githubusercontent.com/fossasia/engelsystem/master/Version.txt");
+    $current_ver = file_get_contents(" ../Version.txt");
+    if (strcmp($current_ver, $online_ver) != 0) {
+      shell_exec("git pull origin master");
+
+      if(strcmp($current_ver, "Version: 1.0") == 0){
+        $upgrade_table = '../db/upgrade_01.sql';
+        upgrade_tables($upgrade_table);
+      }
+    }
+    else {
+      $ok = false;
+      $msg .= error(_("The system is already Up-to date with the version on GitHub."), true);
+    }
+    if ($ok) {
+      success(_("System Updated to the latest Version!"));
+      redirect(page_link_to('user_settings'));
+    }
+  }
+  elseif (isset($_REQUEST['autoupdate_check'])) {
+    $ok = true;
+
+    if (isset($_REQUEST['auto_update']))
+      $auto_update = true;
+    else {
+      $ok = false;
+      $auto_update = false;
+      $msg .= error(_("Disabled the Automatic Updates."), true);
+    }
+
+    if ($ok) {
+      autoupdater($auto_update);
+      success("Enabled Automatic Updates!");
+      redirect(page_link_to('user_settings'));
+    }
+  }
+
   if ($ok) {
       $_SESSION['uid'] = $login_user['UID'];
       $_SESSION['locale'] = $login_user['Sprache'];
@@ -248,7 +290,14 @@ function user_settings() {
                   form_info(_("Here you can write your display message for registration:")),
                   form_text('display_message', _("Message"), $display_message),
                   form_submit('submit_message', _("Save"))
-              ))
+              )),
+              form(array(
+                  form_info(_("Here you can set for Auto updates and check for updates:")),
+                  form_checkbox('auto_update', _("Do you want to enable AutoUpdate for the system"), $auto_update),
+                  form_info('', _("Checking the box will enable the autoupdate for the system")),
+                  form_submit('autoupdate_check', _("Save")),
+                  form_submit('update', _("Update System Now!"))
+              )),
           ))
       ))
   ));

includes/model/Settings_model.php

@@ -47,6 +47,15 @@ function Settings() {
   return sql_select("SELECT * FROM `Settings`");
 }
 
+function autoupdater($auto_update) {
+  return sql_select("INSERT INTO `Settings` SET
+    `autoupdate`='" . sql_bool($auto_update) . "' ");
+}
+
+function check_AutoUpdate() {
+  return sql_select("SELECT `autoupdate` FROM `Settings`");
+}
+
 /**
  * Migrate Update tables.
  *
@@ -63,4 +72,11 @@ function insert_table_migrated($value) {
   return sql_query("INSERT INTO `Settings` SET `table_migrated`='" . sql_escape($value) . "'");
 }
 
+function upgrade_tables($upgrade_table) {
+  global $DB_HOST, $DB_PASSWORD, $DB_NAME, $DB_USER;
+  $command_upgrade = 'mysql -h' . $DB_HOST . ' -u' . $DB_USER . ' -p' . $DB_PASSWORD . ' ' . $DB_NAME . ' < ' . $upgrade_table;
+  $output = array();
+  exec($command_upgrade, $output, $worked_upgrade);
+}
+
 ?>

public/index.php

@@ -28,6 +28,17 @@
   $title = $p;
   $content = "";
 
+  $check_autoupdate_enable = check_AutoUpdate();
+
+  if ($check_autoupdate_enable == true) {
+    $online_ver = file_get_contents("https://raw.githubusercontent.com/fossasia/engelsystem/master/Version.txt");
+    $current_ver = file_get_contents(" ../Version.txt");
+
+    if (strcmp($current_ver, $online_ver) != 0) {
+      return info('<a href="' . page_link_to("user_settings") . '">' . _('There is an Update available on GitHub! Go to settings and update') . '</a>', true);
+    }
+  }
+
   if ($p == "api") {
     require_once realpath(__DIR__ . '/../includes/controller/api.php');
     error("Api disabled temporily.");