egroupware/resources/inc/class.bo_resources.inc.php

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<?php
/**************************************************************************\
* eGroupWare - resources - Resource Management System *
* http://www.egroupware.org *
* Written by Lukas Weiss [ichLukas@gmx.net] and *
* Cornelius Weiss [nelius@gmx.net] *
* ----------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
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/* $Id$ */
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class bo_resources
{
/*var $public_functions = array
(
'get_rows' => True
);*/
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var $vfs_basedir = '/resources/';
var $pictures_dir = '/resources/pictures/';
var $thumbs_dir = '/resources/pictures/thumbs/';
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function bo_resources()
{
$this->so = CreateObject('resources.so_resources');
$this->acl = CreateObject('resources.bo_acl');
$this->cats = $this->acl->egw_cats;
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$this->vfs = CreateObject('phpgwapi.vfs');
// print_r($this->cats->return_single(33)); die();
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list($cat) = $this->cats->return_single(33);
$cat['data'] = unserialize($cat['data']);
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}
/*!
@function get_rows
@abstract get rows for resources list
@autor Cornelius Wei<EFBFBD> <egw@von-und-zu-weiss.de>
*/
function get_rows($query,&$rows,&$readonlys)
{
$query['search'] = $query['search'] ? $query['search'] : '*';
$criteria = array( 'name' => $query['search'],
'short_description' => $query['search']
);
$cats = $query['filter'] ? array($query['filter'] => '') : $this->acl->get_cats(PHPGW_ACL_READ);
$rows = array( 0 => array( 'id' => '',
'name' => '',
'short_description' => '',
'useable' => '',
'bookable' => '',
'cat_id' => '',
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'location' => '',
'picture_src' => ''
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));
$order_by = $query['order'] ? $query['order'].' '. $query['sort'] : '';
$nr = $this->so->search($criteria,$cats,&$rows,$order_by,$offset=$query['start'],$num_rows=0);
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// print_r($rows);die();
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foreach($rows as $num => $resource)
{
if (!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_EDIT))
{
$readonlys["edit[$resource[id]]"] = true;
}
if (!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_DELETE))
{
$readonlys["delete[$resource[id]]"] = true;
}
if (!$resource['bookable'] /* && calender-acl viewable */)
{
$readonlys["bookable[$resource[id]]"] = true;
}
$rows[$num]['picture_thumb'] = $this->get_picture($resource['id'],$resource['picture_src']);
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}
return $nr;
}
/*!
@function read
@abstract reads a resource exept binary datas
@param int $id resource id
@return array with key => value or false if not found or allowed
*/
function read($id)
{
if(!$this->acl->is_permitted($this->so->get_value('cat_id',$id),PHPGW_ACL_READ))
{
echo lang('You are not permitted to get information about this resource!') . '<br>';
echo lang('Notify your administrator to correct this situation') . '<br>';
return false;
}
return /* all exept pictures(blobs) */$this->so->read($id);
}
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/*!
@function save
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@abstract saves a resource. pictures are saved in vfs
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@param array $resource array with key => value of all needed datas
@return string msg if somthing went wrong; nothing if all right
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*/
function save($resource)
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{
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if(!$this->acl->is_permitted($resource['cat_id'],PHPGW_ACL_EDIT))
{
return lang('You are not permitted to edit this reource!');
}
// we need an id to save pictures
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if(!$resource['id'])
{
$resource['id'] = $this->so->save($resource);
}
if($resource['own_file']['size']>0 && ($resource['picture_src']=='own_src' || sizeof($resource['picture_src'])<1))
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{
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$resource['picture_src'] = 'own_src';
$msg = $this->save_picture($resource['own_file'],$resource['id']);
if($msg)
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{
return $msg;
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}
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}
if($resource['picture_src'] == 'gen_src')
{
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// welches bild? --> picture_src = dateiname
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}
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return $this->so->save($resource) ? false : lang('Something went wrong by saving resource');
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}
function delete($id)
{
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return $this->so->delete(array('id'=>$id)) ? false : lang('Something went wrong by saving resource');
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}
/*!
@function save_picture
@abstract resizes and saves an pictures in vfs
@param array $file array with key => value
@param int $resource_id
@return mixed string with msg if somthing went wrong; nothing if all right
TODO make thumb an picture sizes choosable by preferences
TODO better handling for not 4:3 images
*/
function save_picture($file,$resouce_id)
{
// test upload dir
$vfs_data = array('string'=>$this->vfs_basedir,'relatives'=>array(RELATIVE_ROOT));
if (!($this->vfs->file_exists($vfs_data)))
{
$this->vfs->override_acl = 1;
$this->vfs->mkdir($vfs_data);
$vfs_data['string'] = $this->pictures_dir;
$this->vfs->mkdir($vfs_data);
$vfs_data['string'] = $this->thumbs_dir;
$this->vfs->mkdir($vfs_data);
$this->vfs->override_acl = 0;
}
switch($file['type'])
{
case 'image/gif':
$src_img = imagecreatefromgif($file['tmp_name']);
break;
case 'image/jpeg':
case 'image/pjpeg':
$src_img = imagecreatefromjpeg($file['tmp_name']);
break;
case 'image/png':
case 'image/x-png':
$src_img = imagecreatefrompng($file['tmp_name']);
break;
default:
return lang('Picture type is not supported, sorry!');
}
$img_size = getimagesize($file['tmp_name']);
$tmp_dir = $GLOBALS['phpgw_info']['server']['temp_dir'].'/';
if($img_size[0] > 64 || $img_size[1] > 48)
{
$dst_img = imagecreatetruecolor(64, 48);
imagecopyresized($dst_img,$src_img,0,0,0,0,64,48,$img_size[0],$img_size[1]);
imagejpeg($dst_img,$tmp_dir.$resouce_id.'.thumb.jpg');
if($img_size[0] > 320 || $img_size[1] > 240)
{
$dst_img = imagecreatetruecolor(320, 240);
imagecopyresized($dst_img,$src_img,0,0,0,0,320,240,$img_size[0],$img_size[1]);
imagejpeg($dst_img,$tmp_dir.$resouce_id.'.jpg');
}
else
{
imagejpeg($src_img,$tmp_dir.$resouce_id.'.jpg');
}
imagedestroy($dst_img);
}
else
{
imagejpeg($src_img,$tmp_dir.$resouce_id.'.jpg');
imagejpeg($src_img,$tmp_dir.$resouce_id.'.thumb.jpg');
}
imagedestroy($src_img);
$this->vfs->override_acl = 1;
$this->vfs->mv(array(
'from' => $tmp_dir.$resouce_id.'.jpg',
'to' => $this->pictures_dir.$resouce_id.'.jpg',
'relatives' => array(RELATIVE_NONE|VFS_REAL,RELATIVE_ROOT)
));
$this->vfs->set_attributes(array(
'string' => $this->pictures_dir.$resouce_id.'.jpg',
'relatives' => array (RELATIVE_ROOT),
'attributes' => array (
'mime_type' => 'image/jpeg',
'comment' => 'picture of resource no.'.$resouce_id,
'app' => $GLOBALS['phpgw_info']['flags']['currentapp']
)));
$this->vfs->mv(array(
'from' => $tmp_dir.$resouce_id.'.thumb.jpg',
'to' => $this->thumbs_dir.$resouce_id.'.jpg',
'relatives' => array(RELATIVE_NONE|VFS_REAL,RELATIVE_ROOT)
));
$this->vfs->set_attributes(array(
'string' => $this->thumbs_dir.$resouce_id.'.jpg',
'relatives' => array (RELATIVE_ROOT),
'attributes' => array (
'mime_type' => 'image/jpeg',
'comment' => 'thumbnail of resource no.'.$resouce_id,
'app' => $GLOBALS['phpgw_info']['flags']['currentapp']
)));
$this->vfs->override_acl = 0;
return;
}
/*!
@function get_picture
@abstact get resource picture either from vfs or from symlink
@param int $id id of resource
@param string $src can be: own_src, gen_src, cat_scr
@param bool $size false = thumb, true = full pic
@return string url of picture
*/
function get_picture($id,$src,$size=false)
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{
switch($src)
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{
case 'own_src':
$picture = false /*$this->config->use_vfs*/ ? 'vfs:' : $GLOBALS['phpgw_info']['server']['webserver_url'];
$picture .= $size ? $this->pictures_dir.$id.'.jpg' : $this->thumbs_dir.$id.'.jpg';
break;
case 'gen_src':
case 'cat_src':
default :
$picture = 'generic.png';
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}
return $picture;
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}
}