periodical/inc/class.periodical.php

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PHP

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of periodical, 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;}
class periodical
{
public $core;
public $con;
protected $table;
protected $blog;
private $lock = null;
public function __construct($core)
{
$this->core = $core;
$this->con = $core->con;
$this->table = $core->con->escape($core->prefix.'periodical');
$this->blog = $core->con->escape($core->blog->id);
}
public function openCursor()
{
return $this->con->openCursor($this->table);
}
# Get periods
public function getPeriods($params=array(),$count_only=false)
{
if ($count_only) {
$q = 'SELECT count(T.periodical_id) ';
}
else
{
$q = 'SELECT T.periodical_id, T.periodical_type, ';
if (!empty($params['columns']) && is_array($params['columns'])) {
$q .= implode(', ',$params['columns']).', ';
}
$q .=
'T.periodical_title, T.periodical_tz, '.
'T.periodical_curdt, T.periodical_enddt, '.
'T.periodical_pub_int, T.periodical_pub_nb ';
}
$q .= 'FROM '.$this->table.' T ';
if (!empty($params['from'])) {
$q .= $params['from'].' ';
}
$q .= "WHERE T.blog_id = '".$this->blog."' ";
if (isset($params['periodical_type'])) {
if (is_array($params['periodical_type']) && !empty($params['periodical_type'])) {
$q .= 'AND T.periodical_type '.$this->con->in($params['periodical_type']);
}
elseif ($params['periodical_type'] != '') {
$q .= "AND T.periodical_type = '".$this->con->escape($params['periodical_type'])."' ";
}
}
else {
$q .= "AND T.periodical_type = 'post' ";
}
if (!empty($params['periodical_id'])) {
if (is_array($params['periodical_id'])) {
array_walk($params['periodical_id'],create_function('&$v,$k','if($v!==null){$v=(integer)$v;}'));
}
else {
$params['periodical_id'] = array((integer) $params['periodical_id']);
}
$q .= 'AND T.periodical_id '.$this->con->in($params['periodical_id']);
}
if (!empty($params['periodical_title'])) {
$q .= "AND T.periodical_title = '".$this->con->escape($params['periodical_title'])."' ";
}
if (!empty($params['sql'])) {
$q .= $params['sql'].' ';
}
if (!$count_only) {
if (!empty($params['order'])) {
$q .= 'ORDER BY '.$this->con->escape($params['order']).' ';
}
else {
$q .= 'ORDER BY T.periodical_id ASC ';
}
}
if (!$count_only && !empty($params['limit'])) {
$q .= $this->con->limit($params['limit']);
}
$rs = $this->con->select($q);
$rs->core = $this->core;
$rs->periodical = $this;
return $rs;
}
public function addPeriod($cur)
{
$this->con->writeLock($this->table);
try
{
$id = $this->con->select(
'SELECT MAX(periodical_id) FROM '.$this->table
)->f(0) + 1;
$cur->periodical_id = $id;
$cur->blog_id = $this->blog;
$cur->periodical_type = 'post';
$cur->periodical_tz = $this->core->auth->getInfo('user_tz');
$cur->insert();
$this->con->unlock();
}
catch (Exception $e)
{
$this->con->unlock();
throw $e;
}
return $cur->periodical_id;
}
public function updPeriod($period_id,$cur)
{
$period_id = (integer) $period_id;
if ($cur->periodical_tz == ''
&& ($cur->periodical_curdt != '' || $cur->periodical_enddt != '')) {
$cur->periodical_tz = $this->core->auth->getInfo('user_tz');
}
$cur->update(
"WHERE blog_id = '".$this->blog."' ".
"AND periodical_id = ".$period_id." "
);
}
# Delete a period
public function delPeriod($period_id)
{
$period_id = (integer) $period_id;
$params = array();
$params['periodical_id'] = $period_id;
$params['post_status'] = '';
$rs = $this->getPosts($params);
if (!$rs->isEmpty()) {
throw new Exception('Periodical is not empty');
}
$this->con->execute(
'DELETE FROM '.$this->table.' '.
"WHERE blog_id = '".$this->blog."' ".
"AND periodical_id = ".$period_id." "
);
}
# Remove all posts related to a period
public function delPeriodPosts($period_id)
{
$params = array();
$params['post_status'] = '';
$params['periodical_id'] = (integer) $period_id;
$rs = $this->getPosts($params);
if ($rs->isEmpty()) return;
$ids = array();
while($rs->fetch())
{
$ids[] = $rs->post_id;
}
if (empty($ids)) return;
$this->con->execute(
'DELETE FROM '.$this->core->prefix.'meta '.
"WHERE meta_type = 'periodical' ".
"AND post_id ".$this->con->in($ids)
);
}
# Get posts related to periods
public function getPosts($params=array(),$count_only=false)
{
if (!isset($params['columns'])) $params['columns'] = array();
if (!isset($params['from'])) $params['from'] = '';
if (!isset($params['sql'])) $params['sql'] = '';
$params['columns'][] = 'T.periodical_id';
$params['columns'][] = 'T.periodical_title';
$params['columns'][] = 'T.periodical_type';
$params['columns'][] = 'T.periodical_tz';
$params['columns'][] = 'T.periodical_curdt';
$params['columns'][] = 'T.periodical_enddt';
$params['columns'][] = 'T.periodical_pub_int';
$params['columns'][] = 'T.periodical_pub_nb';
$params['from'] .= 'LEFT JOIN '.$this->core->prefix.'meta R ON P.post_id = R.post_id ';
$params['from'] .= 'LEFT JOIN '.$this->table.' T ON CAST(T.periodical_id as char)=R.meta_id ';
$params['sql'] .= "AND R.meta_type = 'periodical' ";
$params['sql'] .= "AND T.periodical_type = 'post' ";
if (!empty($params['periodical_id'])) {
if (is_array($params['periodical_id'])) {
array_walk($params['periodical_id'],create_function('&$v,$k','if($v!==null){$v=(integer)$v;}'));
}
else {
$params['periodical_id'] = array((integer) $params['periodical_id']);
}
$params['sql'] .= 'AND T.periodical_id '.$this->con->in($params['periodical_id']);
unset($params['periodical_id']);
}
if ($this->core->auth->check('admin',$this->core->blog->id)) {
if (isset($params['post_status'])) {
if ($params['post_status'] != '') {
$params['sql'] .= 'AND P.post_status = '.(integer) $params['post_status'].' ';
}
unset($params['post_status']);
}
}
else {
$params['sql'] .= 'AND P.post_status = -2 ';
}
$rs = $this->core->blog->getPosts($params,$count_only);
$rs->periodical = $this;
return $rs;
}
# Add post to periodical
public function addPost($period_id,$post_id)
{
$period_id = (integer) $period_id;
$post_id = (integer) $post_id;
# Check if exists
$rs = $this->getPosts(array('post_id' => $post_id,'periodical_id' => $period_id));
if (!$rs->isEmpty()) return;
$cur = $this->con->openCursor($this->core->prefix.'meta');
$this->con->writeLock($this->core->prefix.'meta');
try
{
$cur->post_id = $post_id;
$cur->meta_id = $period_id;
$cur->meta_type = 'periodical';
$cur->insert();
$this->con->unlock();
}
catch (Exception $e)
{
$this->con->unlock();
throw $e;
}
}
# Delete post from periodical
public function delPost($post_id)
{
$post_id = (integer) $post_id;
$this->con->execute(
'DELETE FROM '.$this->core->prefix.'meta '.
"WHERE meta_type = 'periodical' ".
"AND post_id = '".$post_id."' "
);
return true;
}
# Remove all posts without pending status from periodical
public function cleanPosts($period_id=null)
{
$params = array();
$params['post_status'] = '';
$params['sql'] = 'AND post_status != -2 ';
if ($period_id !== null) {
$params['periodical_id'] = (integer) $period_id;
}
$rs = $this->getPosts($params);
if ($rs->isEmpty()) return;
$ids = array();
while($rs->fetch())
{
$ids[] = $rs->post_id;
}
if (empty($ids)) return;
$this->con->execute(
'DELETE FROM '.$this->core->prefix.'meta '.
"WHERE meta_type = 'periodical' ".
"AND post_id ".$this->con->in($ids)
);
}
public static function getTimesCombo()
{
return array(
__('Hourly') => 'hour',
__('twice a day') => 'halfday',
__('Daily') => 'day',
__('Weekly') => 'week',
__('Monthly') => 'month'
);
}
public static function getNextTime($ts,$period)
{
$ts = (integer) $ts;
$e = explode(',',date('H,i,s,n,j,Y',$ts));
switch($period)
{
case 'hour':
$new_ts = mktime($e[0] + 1,$e[1],$e[2],$e[3],$e[4],$e[5]);
break;
case 'halfday':
$new_ts = mktime($e[0],$e[1] + 12,$e[2],$e[3],$e[4],$e[5]);
break;
case 'day':
$new_ts = mktime($e[0],$e[1],$e[2],$e[3],$e[4] + 1,$e[5]);
break;
case 'week':
$new_ts = mktime($e[0],$e[1],$e[2],$e[3],$e[4] + 7,$e[5]);
break;
case 'month':
$new_ts = mktime($e[0],$e[1],$e[2],$e[3] + 1,$e[4],$e[5]);
break;
default:
$new_ts = 0;
throw new Exception(__('Unknow frequence'));
break;
}
return $new_ts;
}
# Lock a file to see if an update is ongoing
public function lockUpdate()
{
try
{
# Need flock function
if (!function_exists('flock')) {
throw New Exception("Can't call php function named flock");
}
# Cache writable ?
if (!is_writable(DC_TPL_CACHE)) {
throw new Exception("Can't write in cache fodler");
}
# Set file path
$f_md5 = md5($this->blog);
$cached_file = sprintf('%s/%s/%s/%s/%s.txt',
DC_TPL_CACHE,
'periodical',
substr($f_md5,0,2),
substr($f_md5,2,2),
$f_md5
);
# Real path
$cached_file = path::real($cached_file,false);
# Make dir
if (!is_dir(dirname($cached_file))) {
files::makeDir(dirname($cached_file),true);
}
# Make file
if (!file_exists($cached_file)) {
!$fp = @fopen($cached_file, 'w');
if ($fp === false) {
throw New Exception("Can't create file");
}
fwrite($fp,'1',strlen('1'));
fclose($fp);
}
# Open file
if (!($fp = @fopen($cached_file, 'r+'))) {
throw New Exception("Can't open file");
}
# Lock file
if (!flock($fp,LOCK_EX)) {
throw New Exception("Can't lock file");
}
$this->lock = $fp;
return true;
}
catch (Exception $e)
{
throw $e;
}
return false;
}
public function unlockUpdate()
{
@fclose($this->lock);
$this->lock = null;
}
}
?>