/2011/end_www/helper/common.php

<?php


function get_all_items($s,$cond=array())
{
	//?????id
	$s = (is_numeric($s))?intval($s):array('url'=>$s);
	//??????
	$cat = model('category')->get_one($s);
	//??????????
	$item_type = preg_replace('/\_list$/','',$cat['status']);
	
	
	$children = model('category')->get_list(array('parent_id'=>$cat['category_id']));
	if (!$cond['where']) $cond['where'] = '1=1';
	if ($children && count($children) > 0)
	{
		$ids = array($cat['category_id']);
		foreach($children as $_c)
		{
			$ids[] = $_c['category_id'];
		}
		$cond['where'] .= ' AND category_id IN ('.join(',',$ids).')';
	}
	else
	{
		$cond['category_id'] = $cat['category_id'];
	}
	return model($item_type)->get_list($cond);
}

function fragment($s)
{
	$c = model('category')->get_one(array('url'=>$s));
	if ($c && $c['content']) return $c['content'];
}

/**
 * ??sql??????
 *
 * @param string $sql 
 * @return array(array,....)
 * 2010-04-20
 */
function sql($sql)
{
	global $db;
	return $db->get_all($sql);
}

/**
 * ??category?id??alias?????????
 *
 * @param string $s category_id(int)??alias(string)
 * @param array $cond ????
 * @return array(array,...)
 * 2010-04-20
 */
function get_items($s,$cond=array())
{
	//?????id
	$s = (is_numeric($s))?intval($s):array('url'=>$s);
	//??????
	$cat = model('category')->get_one($s);
	//??????????
	$item_type = preg_replace('/\_list$/','',$cat['status']);
	
	if (!is_array($cond))
	{
		$_tmp = $cond;
		$cond = array('where'=>$_tmp);
		unset($_tmp);
	}
	$cond['category_id'] = $cat['category_id'];
	return model($item_type)->get_list($cond);
}

/**
 * ??category?id?? url?????????
 *
 * @param string $s category_id(int)??url(string)
 * @return array(array,...)
 * 2010-04-20
 */
function get_cats($s)
{
	return model('category')->get_cats($s);
}

/**
 * ??category??????????
 *
 * @param array $o ?????????:array('category_id'=>1,'name'=>'???' ... )
 * @return string 
 * 2010-04-20
 */
function category_link($o)
{
	if ($o['status'] == 'link')
		return $o['url'];
	else if (  $o['status'] == 'page')
		return '?page/'.$o['url'];
	else
		return '?cat/'.$o['url'];
}

/**
 * ??item?????????
 *
 * @param array $o item???????:array('item_id'=>1,'name'=>'xxx' ... )
 * @return string 
 * 2010-04-20
 */
function item_link($o)
{
	return '?article/'.$o['article_id'];
}



/*
??????
?? 3?  5??  7?
*/
function get_past_time($t,$second='?',$minite='?',$hour='??',$day='?',$month='?',$year='?')
{
	$d = time()-$t;
	if ($d < 60)
	{
		return $d.$second;
	}
	$d = intval($d/60);
	if ($d < 60)
	{
		return $d.$minite;
	}
	$d = intval($d/60);
	if ($d < 24)
	{
		return $d.$hour;
	}
	$d = intval($d/24);
	if ($d < 30)
	{
		return $d.$day;
	}
	$d = intval($d/30);
	if ($d < 12)
	{
		return $d.$month;
	}
	return intval($d/12).$year;
}


/*
??????
*/
function get_past_day($t)
{
	$d = time()-$t;
	$d = intval($d/60);
	$d = intval($d/60);
	$d = intval($d/24);
	if ($d <= 0) return '??';
	else if ($d == 1) return '??';
	else if ($d == 2) return '??';
	
	if ($d < 10)
	{
		return $d.'??';
	}
	
	if (date('Y') == date('Y',$t))
	{
		$d = date('m') - date('m',$t);
	
		if ($d == 0) return '??'.date('d',$t).'?';
		else if ($d == 1) return '??'.date('d',$t).'?';
		else return date('m?d?',$t);
	}
	
	return date('Y?m?d?',$t);
}

function show_plaint($s)
{
	$s = str_replace("\t","&nbsp;&nbsp;&nbsp;&nbsp;",$s);
	$s = str_replace(" ","&nbsp;",$s);
	$s = str_replace("\n","<br>",$s);
	return $s;
}


function thumb($orig_path,$mw=100,$mh=100,$method='cut',$thumb=false,$png=false)
{
	if ($method != 'box' && $method != 'cut') $method = 'cut';
	if (!$orig_path) return 'about:blank';
	
	if (preg_match('/^http\:\/\//i',$orig_path)) return $orig_path;
	
	$path = END_ROOT.$orig_path;
	
	$ftype = array_pop(explode('.',$path));
	$etag = basename($path).$method.$mw.'x'.$mh;
	$etag.= $png ? '.png':'.jpg';

	if (!file_exists($path)) return '';
	
	$thumb = dirname($path).'/'.$etag;

	if (file_exists($thumb)) return dirname($orig_path).'/'.$etag;

	if (!$imgarr=@getimagesize($path)) return ''; 
	$width_orig=$imgarr[0];
	$height_orig=$imgarr[1];

	$mime_orig=$imgarr["mime"];
	$mime=str_replace("image/","",$mime_orig);
	$mime=($mime=="bmp")?"wbmp":$mime;
	if (!function_exists("imagecreatefrom$mime")) return false;

	$p = $mw/$width_orig;
	$_p = $mh/$height_orig;
	
	if ($method == 'cut' && $_p>$p)
	{
		$p = $_p;
		$width = $mw;
		$height = $mh;
		$cut_height = 0;
		$cut_width = intval(($width_orig - $mw/$p)/2);
	}
	else if ($method == 'cut')
	{
		$width = $mw;
		$height = $mh;
		$cut_height = intval(($height_orig - $mh/$p)/2);
		$cut_width = 0;
	}
	else if ($method == 'box' && $_p<$p)
	{
		$p = $_p;
		if ($p > 1) $p = 1;
		$width = $p*$width_orig;
		$height = $p*$height_orig;
		$cut_height = 0;
		$cut_width = 0;
	}
	else if ($method == 'box')
	{
		if ($p > 1) $p = 1;
		$width = $p*$width_orig;
		$height = $p*$height_orig;
		$cut_height = 0;
		$cut_width = 0;
	}
	
	$image_p = @imagecreatetruecolor($width, $height);
	$_func = 'imagecreatefrom'.$mime;
	$image = @$_func($path);
	if ($png)
	{
		imagealphablending($image_p,true);
		$tcolor = imagecolortransparent($image_p, imagecolorallocatealpha($image_p, 0, 0, 0,127));
		imagefill($image_p, 0, 0, $tcolor);
		imagesavealpha($image_p, true);
	}
	@imagecopyresampled($image_p, $image, 0, 0, $cut_width, $cut_height, $width, $height, $width/$p, $height/$p);
	$_func = $png?'imagepng':'imagejpeg';
	$_func($image_p,$thumb,90);
	return (file_exists($thumb))?dirname($orig_path).'/'.$etag:false;
}