Add database updater

database_updates.php

@@ -0,0 +1,48 @@
+<?php
+/*
+ * ITFlow
+ * This file defines the SQL queries required to update the database to the "latest" database version
+ * It is used in conjunction with database_version.php
+ */
+
+// Check if our database versions are defined
+// If undefined, the file is probably being accessed directly rather than called via post.php?update_db
+if(!defined("LATEST_DATABASE_VERSION") || !defined("CURRENT_DATABASE_VERSION") || !isset($mysqli)){
+  echo "Cannot access this file directly.";
+  exit();
+}
+
+
+// Check if we need an update
+if(LATEST_DATABASE_VERSION > CURRENT_DATABASE_VERSION){
+
+  // We need updates!
+
+
+  if(CURRENT_DATABASE_VERSION == '0.0.1'){
+    // Insert queries here required to update to DB version 0.0.2
+    // mysqli_query($mysqli, "ALTER TABLE .....");
+
+
+    // Then, update the database to the next sequential version
+    //mysqli_query($mysqli, "UPDATE settings SET config_current_database_version = '0.0.2' WHERE company_id = '1'");
+
+  }
+
+
+  if(CURRENT_DATABASE_VERSION == '0.0.2'){
+    // Insert queries here required to update to DB version 0.0.3
+    // mysqli_query($mysqli, "ALTER TABLE .....");
+
+
+    // Then, update the database to the next sequential version
+    //mysqli_query($mysqli, "UPDATE settings SET config_current_database_version = '0.0.3' WHERE company_id = '1'");
+
+  }
+
+  // etc
+
+}
+else{
+  // Up-to-date
+}