edit.php
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<?php
//include the smarty class and the global functions
require "libs/Smarty.class.php";
require "global_functions.php";
//initialize smarty
$smarty = new Smarty;
//connect to the database
$db = new SQLite3('wiki.db');
//get current page to determine the action about to be performed; needed to set the active id to the <li> in the sidebar menu
$current_page=$_SERVER['PHP_SELF'];
//assign a value to the current page variable in the admin sidebar wrapper template using the current_page() function from global_functions.php
$smarty->assign("current_page",current_page());
//assign values to the array needed to display all the pages found in the database; needed when creating a section
$smarty->assign("db_page_title", get_pages());
//assign values to the array needed to display all the pages found in the database; needed when creating a section
$smarty->assign("page_section", get_sections());
if (!isset($_GET['btn_submit']))
{
$smarty->display('tpl/edit.tpl');
}
else
{
$to_edit = $_GET['select_option'];
if ($to_edit == "page")
{
if (empty($_GET['page_to_edit']) || empty($_GET['new_page_title']))
{
$smarty->assign("error", "Something went wrong. Please try to fill the form again.");
$smarty->display('tpl/failure.tpl');
}
else
{
$page_to_edit = $_GET['page_to_edit'];
$id = $db->querySingle("SELECT id FROM pages WHERE title = '$page_to_edit'");
$title = $_GET['new_page_title'];
$text = $db->escapeString($_GET['new_page_text']);
$query=$db->exec("UPDATE pages SET title = '$title', text = '$text' WHERE id = '$id'");
//if something went wrong show the failure template with the error message
if(!$query)
{
$smarty->assign("error", $db->lastErrorMsg());
$smarty->display('tpl/failure.tpl');
}
//else if everything went fine show the success template
else
{
$smarty->display('tpl/success.tpl');
}
}
}
else if ($to_edit == "section")
{
if (empty($_GET['section_to_edit']) || empty($_GET['new_section_title']))
{
$smarty->assign("error", "Something went wrong. Please try to fill the form again.");
$smarty->display('tpl/failure.tpl');
}
else
{
$section_to_edit = $_GET['section_to_edit'];
$section_to_edit = explode(": ", $section_to_edit);
$page_to_edit = $section_to_edit[0];
$section_to_edit = $section_to_edit[1];
$page_id = $db->querySingle("SELECT id FROM pages WHERE title = '$page_to_edit'");
$id = $db->querySingle("SELECT id FROM sections WHERE page_id = '$page_id' AND title = '$section_to_edit'");
$title = $_GET['new_section_title'];
$text = $db->escapeString($_GET['new_section_text']);
$query=$db->exec("UPDATE sections SET title = '$title', text = '$text' WHERE id = '$id'");
//if something went wrong show the failure template with the error message
if(!$query)
{
$smarty->assign("error", $db->lastErrorMsg());
$smarty->display('tpl/failure.tpl');
}
//else if everything went fine show the success template
else
{
$smarty->display('tpl/success.tpl');
}
}
}
}
?>