You Are Here : /var/www/virtual/tvarditsa.org/classes/ |
| Current File : /var/www/virtual/tvarditsa.org/classes/news.class.php |
<?php
/**
* VSite Framework for PHP
*
* This product includes PHP, freely available from
* <{@link http://www.php.net/ http://www.php.net/}>
*
* @package VSite_Framework
* @subpackage Application
* @copyright Copyright (c) 2003-2004, Valentin Sheiretsky
* @license http://www.vsite.org/license.txt BSD-style license
*/
if (!defined("_VSITE_NEWS_CLASS_")) {
/**
* @ignore
*/
define("_VSITE_NEWS_CLASS_", 1);
if (!defined("_PAGER_CLASS_")) {
include (dirname(__FILE__) . '/../classes/pager.class.php');
}
/**
* News Class
*
* @version 2.0.2
* @author Valentin Sheiretsky <valio@vsite.org>
* @package VSite_Framework
*/
class News extends Pager {
/**#@+
* @access private
*/
var $_cfg = NULL;
var $_cfg_News = array (
'table' => 'news',
'fields' => array (
'id' => 'id',
'category' => 'cat',
'headline' => 'title',
'content' => 'story',
'comments' => '',
'counter' => '',
'posted' => 'posted',
),
'strip_sent_delim' => '.?!',
'strip_word_delim' => ',;)}]+-=&',
'strip_more' => '...',
'strip_chars' => 1800,
'strip_sentences' => 6,
'image_path' => 'images/news/',
'highlight_prefix' => '<strong style="color: #FF0000">',
'highlight_sufix' => '</strong>',
);
/**#@-*/
/**
* Constructor
*/
function __construct($cfname = 'news') {
$c = new VsiteConf();
$this->_cfg = $c->join_conf ($this->_cfg, $this->_cfg_News);
$this->_cfg = $c->read_conf ($cfname, $this->_cfg);
parent::__construct();
}
/**
* @ignore
*/
function News ($cfname = 'news') {
$this->__construct($cfname);
}
/**
* Get News Data
*/
function GetNews ($id = 0, $fields = '*') {
$where = '';
if ($id > 0) {
$where = $this->_cfg['fields']['id'].' = '.intval($id);
}
if ($this->_where != '') {
if ($where == '')
$where = $this->_where;
else
$where .= ' AND ( '.$this->_where.' )';
}
$this->set_condition($where);
$this->set_records(1);
$rs = $this->create ($this->_cfg['table'], $fields, TRUE);
if ($rs['total'] > 0) return $rs['data'][0];
return FALSE;
}
/**
* Get News Data
*/
function ListNews ($fields = '*', $no_count = false) {
return $this->create ($this->_cfg['table'], $fields, $no_count);
}
/**
* Update News
*
* @param array news data
*/
function UpdateNews ($data) {
if (!isset($data[$this->_cfg['fields']['id']])) return FALSE;
$this->set_condition(
$this->_cfg['fields']['id'].' = '.intval($data['id'])
);
return $this->update ($this->_cfg['table'], $data);
}
/**
* Delete News
*
* @param int news id
*/
function DeleteNews ($id) {
$this->set_condition ($this->_cfg['fields']['id'].' = '.intval($id));
return $this->delete ($this->_cfg['table']);
}
/**
* Generate Search Query
*
* @param string search request
* @param string DB cell
* @param boolean require all words, or any word
* @param boolean require all cells, or any cell
*/
function SearchQuery (
$request = '', $thecell = '',
$multi_req_all = true, $multi_cell_all = false
) {
$query = ""; $flag = 1;
$request = $this->ValidateSearch ($request);
if ($request == "") return "1=1";
if ($multi_req_all) $oper = ' AND ';
else $oper = ' OR ';
if ($multi_cell_all) $oper_cell = ' AND ';
else $oper_cell = ' OR ';
$SearchArray = explode(' ', $request);
while (list ($key, $val) = each ($SearchArray)) {
if ($flag) $flag = 0;
else $query .= $oper;
if ($val[0] == '-') {
$like = " NOT LIKE ";
$val = substr ($val, 1);
} else {
$like = " LIKE ";
}
if (is_array($thecell)) {
$subquery = '';
foreach ($thecell as $cell) {
if ($subquery != '') $subquery .= $oper_cell;
$subquery .= $cell.$like.$this->qstr("%".$val."%");
}
$query .= '( '.$subquery.' )';
}
else $query .= $thecell.$like.$this->qstr("%".$val."%");
}
if ($flag) return "1=1";
return $query;
}
/**
* Validate Search
*
* @param string request
*/
function ValidateSearch ($request) {
$newrequest = strtr(
$request,
array("\"" => "", "\'" => "", "-" => " ")
);
$query = ""; $request = ""; $flag = 1;
$SearchArray = explode(' ', $newrequest);
while (list ($key, $val) = each ($SearchArray)) {
if (($val = trim($val)) == "") continue;
if (strlen($val) < 3) continue;
if ($request != "") $request .= " ";
$request .= $val;
}
return $request;
}
/**
* High Light Words
*
* @param string text
* @param string words to highlight
*/
function HighLightWords ($text, $words = '') {
if ($words == '') return $text;
$WordsArray = explode(' ', $words);
while (list ($key, $val) = each ($WordsArray)) {
if (($val = trim($val)) == "") continue;
$pattern = '/('. quotemeta($val) .')/i';
$replacement = quotemeta($this->_cfg['highlight_prefix']).
'\\1'.quotemeta($this->_cfg['highlight_sufix']);
$text = preg_replace($pattern, $replacement, $text);
}
return $text;
}
/**
* StripStory
*
* @param string news story to strip
* @param int max sentences
* @param int max chars
*/
function StripStory ($story, $n = NULL, $maxc = NULL) {
if ($n == NULL) $n = $this->_cfg['strip_sentences'];
if ($maxc == NULL) $maxc = $this->_cfg['strip_chars'];
$story_len = strlen($story);
// ignore html tags
$replaced_story = preg_replace(
"/(<[^>]*>)/e", "str_pad(' ', strlen('\\1'))", $story
);
// ignore urls
$replaced_story = preg_replace(
"/((http|ftp|mailto):\/\/[\.\-\w^\s]*[\s^\w\.\-])/e", "str_pad(' ',
strlen('\\1'))", $replaced_story
);
$sentences = preg_split(
'/['.quotemeta($this->_cfg['strip_sent_delim']).']/', $replaced_story
);
$p = 0; $counter = -1; $s_counter = 0;
while (++$counter < sizeof($sentences)) {
if (trim($sentences[$counter]) == '') {
$p += strlen($sentences[$counter]) + 1;
continue;
}
$s_counter++;
$p += strlen($sentences[$counter]) + 1;
if ($s_counter >= $n) break;
if ($p > $maxc) break;
}
if ($p > $maxc) {
return preg_replace(
'/(.*)([\s'.quotemeta (
$this->_cfg['strip_sent_delim'].$this->_cfg['strip_word_delim']
).']+[^\s'.quotemeta (
$this->_cfg['strip_sent_delim'].$this->_cfg['strip_word_delim']
).']*)$/', "\\1", substr($story, 0, $maxc)
).$this->_cfg['strip_more'];
}
if (($p + 5) > $story_len) return $story;
return substr($story, 0, $p - 1).$this->_cfg['strip_more'];
}
/**
* ShowPicture
*
* @param string picture name
* @param int alignment
*/
function ShowPicture ($pic_name, $a = 'left') {
$root_path = $this->_cfg['image_path'];
if (function_exists('GetImageSize')) {
if ($pic_size = @GetImageSize($root_path.$pic_name))
$pic_src = '<img src="'.$root_path.$pic_name.'" '.$pic_size[3].
' border="1" alt="" style="border-color: #000000;">';
else return '';
}
else $pic_src = '<img src="'.$root_path.$pic_name.
'" border="0" border="1" alt="" style="border-color: #000000;">';
return '<table border="0" cellspacing="0" cellpadding="3" align="'.$a.
'"><tr><td valign="top">'.$pic_src.'</td></tr></table>';
}
/**
* CountYears
*/
function CountYears ($where = NULL) {
$this->set_offset (0);
$this->set_records (-1);
if (!$where) $where = '1';
$this->set_condition ($where.' GROUP BY postedyear');
$this->set_order ('postedyear DESC');
return $this->create (
$this->_cfg['table'],
'YEAR('.$this->_cfg['fields']['posted'].') as postedyear',
true
);
}
/**
* CountMonths
*/
function CountMonths ($year, $where = NULL) {
$this->set_offset (0);
$this->set_records (-1);
if (!$where) $where = '1';
$this->set_condition (
$where.' AND YEAR('.$this->_cfg['fields']['posted'].') = '.intval($year).
' GROUP BY postedmonth'
);
$this->set_order ('postedmonth DESC');
return $this->create (
$this->_cfg['table'],
'MONTH('.$this->_cfg['fields']['posted'].') as postedmonth',
true
);
}
/**
* CountDays
*/
function CountDays ($year, $month, $where = NULL) {
$this->set_offset (0);
$this->set_records (-1);
if (!$where) $where = '1';
$this->set_condition (
$where.' AND YEAR('.$this->_cfg['fields']['posted'].') = '.intval($year).
' AND MONTH('.$this->_cfg['fields']['posted'].') = '.intval($month).
' GROUP BY postedday'
);
$this->set_order ('postedday DESC');
return $this->create (
$this->_cfg['table'],
'DAYOFMONTH('.$this->_cfg['fields']['posted'].') as postedday',
true
);
}
/**
* increment news counter
*/
function IncNewsCounter ($id) {
$field = trim($this->_cfg['fields']['counter']);
if ($field == "") return;
$sql = 'UPDATE '.$this->_cfg['table'].' SET ';
$sql .= '`'.$field.'` = `'.$field.'` + 1 WHERE `id` = '.intval($id);
return $this->Execute($sql);
}
/**
* increment news comments
*/
function IncNewsComments ($id) {
$field = trim($this->_cfg['fields']['comments']);
if ($field == "") return;
$sql = 'UPDATE '.$this->_cfg['table'].' SET ';
$sql .= '`'.$field.'` = `'.$field.'` + 1 WHERE `id` = '.intval($id);
return $this->Execute($sql);
}
/**
* Destructor
*/
function __destruct() {
parent::__destruct();
}
}
} // END NEWS_CLASS
?>