postWidgetText/inc/class.postwidgettext.php

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of postWidgetText, a plugin for Dotclear 2.
# 
# Copyright (c) 2009-2013 Jean-Christian Denis and contributors
# contact@jcdenis.fr http://jcd.lv
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK ------------------------------------

if (!defined('DC_RC_PATH')) {

	return null;
}

class postWidgetText
{
	public $core;
	public $con;
	private $table;
	private $blog;

	public function __construct($core)
	{
		$this->core =& $core;
		$this->con =& $this->core->con;
		$this->table = $this->core->prefix.'post_option';
		$this->blog = $core->con->escape($core->blog->id);
	}

	public function tableName()
	{
		return $this->table;
	}

	public function openCursor()
	{
		return $this->con->openCursor($this->table);
	}

	public function lockTable()
	{
		$this->con->writeLock($this->table);
	}

	public function unlockTable()
	{
		$this->con->unlock();
	}

	public function triggerBlog()
	{
		$this->core->blog->triggerBlog();
	}

	public function getWidgets($params,$count_only=false)
	{
		if (!isset($params['columns'])) $params['columns'] = array();
		$params['columns'][] = 'option_id';
		$params['columns'][] = 'option_creadt';
		$params['columns'][] = 'option_upddt';
		$params['columns'][] = 'option_type';
		$params['columns'][] = 'option_format';
		$params['columns'][] = 'option_lang';
		$params['columns'][] = 'option_title';
		$params['columns'][] = 'option_content';
		$params['columns'][] = 'option_content_xhtml';

		if (!isset($params['from'])) {
			$params['from'] = '';
		}
		$params['from'] .= 'LEFT JOIN '.$this->table.' W ON P.post_id=W.post_id ';
		
		if (!isset($params['sql'])) {
			$params['sql'] = '';
		}
		if (isset($params['option_type'])) {
			$params['sql'] .= "AND W.option_type = '".$this->con->escape($params['option_type'])."' ";
		}
		else {
			$params['sql'] .= "AND W.option_type = 'postwidgettext' ";
		}
		unset($params['option_type']);
		if (!isset($params['post_type'])) {
			$params['post_type'] = '';
		}

		return $this->core->blog->getPosts($params, $count_only);
	}

	public function addWidget($cur)
	{
		if (!$this->core->auth->check('usage,contentadmin', $this->blog)) {
			throw new Exception(__('You are not allowed to create an entry text widget'));
		}
		if ($cur->post_id == '') {
			throw new Exception('No such entry ID');

			return null;
		}
		
		$this->lockTable();
		try {
			$rs = $this->con->select(
				'SELECT MAX(option_id) '.
				'FROM '.$this->table 
			);

			$cur->option_id = (integer) $rs->f(0) + 1;
			$cur->option_creadt = date('Y-m-d H:i:s');
			$cur->option_upddt = date('Y-m-d H:i:s');

			$this->getWidgetContent($cur, $cur->option_id);

			$cur->insert();
			$this->unlockTable();
		}
		catch (Exception $e) {
			$this->unlockTable();
			throw $e;
		}

		$this->triggerBlog();

		return $cur->option_id;
	}

	public function updWidget($id,&$cur)
	{
		if (!$this->core->auth->check('usage,contentadmin', $this->blog)) {
			throw new Exception(__('You are not allowed to update entries text widget'));
		}

		$id = (integer) $id;

		if (empty($id)) {
			throw new Exception(__('No such ID'));
		}

		$this->getWidgetContent($cur,$id);

		$cur->option_upddt = date('Y-m-d H:i:s');

		if (!$this->core->auth->check('contentadmin', $this->blog)) {
			$params['option_id'] = $id;
			$params['user_id'] = $this->con->escape($this->core->auth->userID());
			$params['no_content'] = true;
			$params['limit'] = 1;

			$rs = $this->getWidgets($params);

			if ($rs->isEmpty()) {
				throw new Exception(__('You are not allowed to delete this entry text widget'));
			}
		}

		$cur->update('WHERE option_id = '.$id.' ');
		$this->triggerBlog();
	}

	public function delWidget($id,$type='postwidgettext')
	{
		if (!$this->core->auth->check('delete,contentadmin', $this->blog)) {
			throw new Exception(__('You are not allowed to delete entries text widget'));
		}

		$id = (integer) $id;

		if (empty($id)) {
			throw new Exception(__('No such ID'));
		}

		if (!$this->core->auth->check('contentadmin', $this->blog)) {
			$params['option_id'] = $id;
			$params['user_id'] = $this->con->escape($this->core->auth->userID());
			$params['no_content'] = true;
			$params['limit'] = 1;

			$rs = $this->getWidgets($params);

			if ($rs->isEmpty()) {
				throw new Exception(__('You are not allowed to delete this entry text widget'));
			}
		}

		$this->con->execute(
			'DELETE FROM '.$this->table.' '.
			'WHERE option_id = '.$id.' '.
			"AND option_type = '".$this->con->escape($type)."' "
		);

		$this->triggerBlog();
	}

	private function getWidgetContent(&$cur, $option_id)
	{
		$option_content = $cur->option_content;
		$option_content_xhtml = $cur->option_content_xhtml;

		$this->setWidgetContent(
			$option_id,$cur->option_format,$cur->option_lang,
			$option_content,$option_content_xhtml
		);

		$cur->option_content = $option_content;
		$cur->option_content_xhtml = $option_content_xhtml;
	}

	public function setWidgetContent($option_id, $format, $lang, &$content, &$content_xhtml)
	{
		if ($format == 'wiki') {
			$this->core->initWikiPost();
			$this->core->wiki2xhtml->setOpt('note_prefix','wnote-'.$option_id);
			if (strpos($lang,'fr') === 0) {
				$this->core->wiki2xhtml->setOpt('active_fr_syntax', 1);
			}
		}

		if ($content) {
			$content_xhtml = $this->core->callFormater($format,$content);
			$content_xhtml = $this->core->HTMLfilter($content_xhtml);
		}
		else {
			$content_xhtml = '';
		}

		$excerpt = $excerpt_xhtml = '';

		# --BEHAVIOR-- coreAfterPostContentFormat
		$this->core->callBehavior('coreAfterPostContentFormat',array(
			'excerpt' => &$excerpt,
			'content' => &$content,
			'excerpt_xhtml' => &$excerpt_xhtml,
			'content_xhtml' => &$content_xhtml
		));
	}
}