Validateed for empty database

Author: sreejakshetty

Diff for: includes/model/import_model.php

@@ -17,4 +17,12 @@ function import_tables() {
           return false;
   }
 }
+
+function test_import() {
+  global $DB_NAME;
+  $sql = "SHOW TABLES FROM $DB_NAME";
+  $result = sql_query($sql);
+  return $result;
+}
+
 ?>

Diff for: includes/sys_auth.php

@@ -67,4 +67,4 @@ function privileges_for_group($group_id) {
     $privileges[] = $guest_priv['name'];
   return $privileges;
 }
-?>
+?>

Diff for: includes/sys_menu.php

@@ -15,8 +15,12 @@ function page_link_to_absolute($page) {
  */
 function header_toolbar() {
   global $p, $privileges, $user, $enable_tshirt_size, $max_freeloadable_shifts;
-  $settings = Settings();
-  $no_migrated = $settings[0]['table_migrated'];
+  $settings = array();
+  $no_migrated = "";
+  if (test_import()) {
+    $settings = Settings();
+    $no_migrated = $settings[0]['table_migrated'];
+  }
   $toolbar_items = array();
 
   if (isset($user))

Diff for: install.php

@@ -9,7 +9,9 @@ function install_admin() {
   $msg = "";
   $username = "";
   $mail = "";
-  $settings = Settings();
+  $settings = array();
+  if (test_import())
+    $settings = Settings();
   if ($settings == false) {
     $no_migrated = 0;
   }