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add additional pages and handle introduction page as ?system? page

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oliver 2015-10-30 22:45:05 +01:00
commit 8c5c7e0b13
15 changed files with 812 additions and 44 deletions
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models/PagesModel.inc Normal file
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<?php
/**
* The Legend of Z
*
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
* @license http://www.gnu.org/licenses/gpl.html
* @link https://bitbucket.org/coderkun/the-legend-of-z
*/
namespace hhu\z\models;
/**
* Model to interact with Pages-table.
*
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
*/
class PagesModel extends \hhu\z\Model
{
/**
* URL for system page: Introduction
*/
const PAGEURL_INTRODUCTION = 'introduction';
/**
* Construct a new PagesModel.
*/
public function __construct()
{
parent::__construct();
}
/**
* Get all registered pages (without system pages).
*
* @return array List of registered pages
*/
public function getPages() {
// Get pages
$data = $this->db->query(
'SELECT id, pos, url, title, text '.
'FROM pages '.
'ORDER BY pos'
);
// Remove system pages
$pages = array();
foreach($data as $page) {
if($page['url'] != self::PAGEURL_INTRODUCTION) {
$pages[] = $page;
}
}
// Return pages
return $pages;
}
/**
* Get a page by its ID.
*
* @param string $pageid ID of page to get
* @return array Page data
*/
public function getPageById($pageId)
{
$data = $this->db->query(
'SELECT id, url, title, pos, text '.
'FROM pages '.
'WHERE id = ?',
'i',
$pageId
);
if(!empty($data)) {
return $data[0];
}
return null;
}
/**
* Get a page by its URL.
*
* @param string $pageUrl URL of page to get
* @return array Page data
*/
public function getPageByUrl($pageUrl)
{
$data = $this->db->query(
'SELECT id, url, title, pos, text '.
'FROM pages '.
'WHERE url = ?',
's',
$pageUrl
);
if(!empty($data)) {
return $data[0];
}
return null;
}
/**
* Check if a page title already exists.
*
* @param string $title Page title to check
* @param int $pageId Do not check this ID (for editing)
* @return boolean Whether title exists or not
*/
public function titleExists($title, $pageId=null)
{
$data = $this->db->query(
'SELECT id '.
'FROM pages '.
'WHERE title = ? OR url = ?',
'ss',
$title,
self::createLinkParam($title)
);
return (!empty($data) && (is_null($pageId) || $pageId != $data[0]['id']));
}
/**
* Create a new page.
*
* @param int $userId ID of creating user
* @param string $title Title of page to create
* @return int ID of the newly created page
*/
public function createPage($userId, $title)
{
// Create content
$this->db->query(
'INSERT INTO pages '.
'(created_user_id, pos, title, url) '.
'SELECT ?, IFNULL(MAX(pos),0)+1, ?, ? '.
'FROM pages',
'iss',
$userId,
$title,
self::createLinkParam($title)
);
return $this->db->getInsertId();
}
/**
* Edit data of a page.
*
* @param int $pageId ID of page to edit
* @param string $title New page title
* @param string $text New page text
*/
public function editPage($pageId, $title, $text)
{
$this->db->query(
'UPDATE pages '.
'SET title = ?, url = ?, text = ? '.
'WHERE id = ?',
'sssi',
$title,
self::createLinkParam($title),
$text,
$pageId
);
}
/**
* Delete page.
*
* @param array $page Page to delete
*/
public function deletePage($page)
{
$this->db->setAutocommit(false);
try {
// Delete page
$this->db->query('DELETE FROM pages WHERE id = ?', 'i', $page['id']);
// Correct position
$this->db->query(
'UPDATE pages '.
'SET pos = pos-1 '.
'WHERE pos > ?',
'i',
$page['pos']
);
}
catch(\nre\exceptions\DatamodelException $e) {
$this->db->rollback();
$this->db->setAutocommit(true);
throw $e;
}
$this->db->setAutocommit(true);
}
/*
* Mask parameters to be used in an URL.
*
* @param string $param1 First parameter
* @return string Masked parameters as string
*/
private static function createLinkParam($param)
{
return \nre\core\Linker::createLinkParam(mb_strtolower($param));
}
}
?>