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egroupware/resources/inc/class.bo_resources.inc.php
Cornelius Weiß 8f5ccbd557 finished work on links (hopefully :-))
2005-02-25 11:15:27 +00:00

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<?php
/**************************************************************************\
* eGroupWare - resources - Resource Management System *
* http://www.egroupware.org *
* Written by Lukas Weiss [ichLukas@gmx.de] 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. *
\**************************************************************************/
/* $Id$ */
class bo_resources
{
var $vfs_basedir = '/resources/';
var $pictures_dir = '/resources/pictures/';
var $thumbs_dir = '/resources/pictures/thumbs/';
var $resource_icons = '/resources/templates/default/images/resource_icons/';
function bo_resources()
{
$this->so = CreateObject('resources.so_resources');
$this->acl = CreateObject('resources.bo_acl');
$this->cats = $this->acl->egw_cats;
$this->vfs = CreateObject('phpgwapi.vfs');
$this->link = CreateObject('infolog.bolink');
}
/*!
@function get_rows
@abstract get rows for resources list
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
*/
function get_rows($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' => '',
'quantity' => '',
'useable' => '',
'bookable' => '',
'buyable' => '',
'cat_id' => '',
'location' => ''
));
$order_by = $query['order'] ? $query['order'].' '. $query['sort'] : '';
$nr = $this->so->search($criteria,$cats,&$rows,$accessory_of=-1,$order_by,$offset=$query['start'],$num_rows=0);
foreach($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;
}
if (!$resource['buyable'])
{
$readonlys["buyable[$resource[id]]"] = true;
}
$rows[$num]['picture_thumb'] = $this->get_picture($resource['id']);
$rows[$num]['admin'] = $this->acl->get_cat_admin($resource['cat_id']);
}
return $nr;
}
/*!
@function read
@abstract reads a resource exept binary datas
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@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 $this->so->read($id);
}
/*!
@function save
@abstract saves a resource. pictures are saved in vfs
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@param array $resource array with key => value of all needed datas
@return string msg if somthing went wrong; nothing if all right
*/
function save($resource)
{
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 and make links...
if(!$resource['id'])
{
$resource['id'] = $this->so->save($resource);
}
switch ($resource['picture_src'])
{
case 'own_src':
$vfs_data = array('string' => $this->pictures_dir.$resource['id'].'.jpg','relatives' => array(RELATIVE_ROOT));
if($resource['own_file']['size'] > 0)
{
$msg = $this->save_picture($resource['own_file'],$resource['id']);
break;
}
elseif($this->vfs->file_exists($vfs_data))
{
break;
}
$resource['picture_src'] = 'cat_src';
case 'cat_src':
break;
case 'gen_src':
$resource['picture_src'] = $resource['gen_src_list'];
break;
default:
if($resource['own_file']['size'] > 0)
{
$resource['picture_src'] = 'own_src';
$msg = $this->save_picture($resource['own_file'],$resource['id']);
}
else
{
$resource['picture_src'] = 'cat_src';
}
}
// somthing went wrong on saving own picture
if($msg)
{
return $msg;
}
// delete old pictures
if($resource['picture_src'] != 'own_src')
{
$this->remove_picture($resource['id']);
}
// save links
if(is_array($resource['link_to']['to_id']))
{
$this->link->link('resources',$resource['id'],$resource['link_to']['to_id']);
}
return $this->so->save($resource) ? false : lang('Something went wrong by saving resource');
}
function delete($id)
{
return $this->so->delete(array('id'=>$id)) ? false : lang('Something went wrong by saving resource');
}
/*!
@function get_acc_list
@abstract gets list of accessories for resource
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@param int $id id of resource
@return array
*/
function get_acc_list($id)
{
if($id < 1){return;}
$cat_id = $this->so->get_value('cat_id',$id);
$data[0] = array('id' => '', 'name' => '');
$this->so->search(array('accessory_only' => 1),array($cat_id => ''),&$data,$accessory_of=-1,$order_by='',$offset=false,$num_rows=-1);
foreach($data as $num => $resource)
{
if($num != 0)
{
$acc_list[$resource['id']] = $resource['name'];
}
}
return $acc_list;
}
/*!
@function link_query
@syntax link_query( $pattern )
@author Cornelius Weiß <egw@von-und-zu-weiss.de>
@abstract query infolog for entries matching $pattern
*/
function link_query( $pattern )
{
$criteria = array('name' => $pattern,'short_description' => $pattern);
$cats = $this->acl->get_cats(PHPGW_ACL_READ);
$data[0] = array('id' => '','name' => '', 'short_description' => '');
$this->so->search($criteria,$cats,&$data,$accessory_of=-1,$order_by='',$offset=false,$num_rows=-1);
foreach($data as $num => $resource)
{
if($num != 0)
{
$list[$resource['id']] = $resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
}
return $list;
}
/*!
@function link_title
@syntax link_title( $id )
@author Cornelius Weiß <egw@von-und-zu-weiss.de>
@abstract get title for an infolog entry identified by $id
*/
function link_title( $resource )
{
if (!is_array($resource))
{
$resource = $this->so->read($resource);
$title = $resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
return $title ? $title : false;
}
/*!
@function save_picture
@abstract resizes and saves an pictures in vfs
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@param array $file array with key => value
@param int $resource_id
@return mixed string with msg if somthing went wrong; nothing if all right
TODO make thumb an picture sizes choosable by preferences
*/
function save_picture($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!');
}
$src_img_size = getimagesize($file['tmp_name']);
$dst_img_size = array( 0 => 320, 1 => 240);
$thumb_size = array( 0 => 64, 1 => 48);
$tmp_dir = $GLOBALS['phpgw_info']['server']['temp_dir'].'/';
if($src_img_size[0] > 64 || $src_img_size[1] > 48)
{
$f = $thumb_size[0] / $src_img_size[0];
$f = $thumb_size[1] / $src_img_size[1] < $f ? $thumb_size[1] / $src_img_size[1] : $f;
$dst_img = imagecreatetruecolor($src_img_size[0] * $f, $src_img_size[1] * $f);
imagecopyresized($dst_img,$src_img,0,0,0,0,$src_img_size[0] * $f,$src_img_size[1] * $f,$src_img_size[0],$src_img_size[1]);
imagejpeg($dst_img,$tmp_dir.$resouce_id.'.thumb.jpg');
if($src_img_size[0] > $dst_img_size[0] || $src_img_size[1] > $dst_img_size[1])
{
$f = $dst_img_size[0] / $src_img_size[0];
$f = $dst_img_size[1] / $src_img_size[1] < $f ? $dst_img_size[1] / $src_img_size[1] : $f;
$dst_img = imagecreatetruecolor($src_img_size[0] * $f, $src_img_size[1] * $f);
imagecopyresized($dst_img,$src_img,0,0,0,0,$src_img_size[0] * $f,$src_img_size[1] * $f,$src_img_size[0],$src_img_size[1]);
imagejpeg($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
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@param int $id id of resource
@param bool $size false = thumb, true = full pic
@return string url of picture
*/
function get_picture($id,$size=false)
{
if ($id > 0)
{
$src = $this->so->get_value('picture_src',$id);
}
switch($src)
{
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 'cat_src':
list($picture) = $this->cats->return_single($this->so->get_value('cat_id',$id));
$picture = unserialize($picture['data']);
if($picture['icon'])
{
$picture = $GLOBALS['phpgw_info']['server']['webserver_url'].'/phpgwapi/images/'.$picture['icon'];
break;
}
case 'gen_src':
default :
$picture = $GLOBALS['phpgw_info']['server']['webserver_url'].$this->resource_icons;
$picture .= strstr($src,'.') ? $src : 'generic.png';
}
return $picture;
}
/*!
@fuction remove_picture
@abstract removes picture from vfs
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@param int $id id of resource
@return bool succsess or not
*/
function remove_picture($id)
{
$vfs_data = array('string' => $this->pictures_dir.$id.'.jpg','relatives' => array(RELATIVE_ROOT));
$this->vfs->override_acl = 1;
if($this->vfs->file_exists($vfs_data))
{
$this->vfs->rm($vfs_data);
$vfs_data['string'] = $this->thumbs_dir.$id.'.jpg';
$this->vfs->rm($vfs_data);
}
$this->vfs->override_acl = 0;
}
/*!
@fuction get_genpicturelist
@abstract gets all pictures from 'generic picutres dir' in selectbox style for eTemplate
@autor Cornelius Weiß <egw@von-und-zu-weiss.de>
@return array directory contens in eTemplates selectbox style
*/
function get_genpicturelist()
{
$icons['generic.png'] = lang('gernal resource');
$dir = dir(PHPGW_SERVER_ROOT.$this->resource_icons);
while($file = $dir->read())
{
if (preg_match('/\\.(png|gif|jpe?g)$/i',$file) && $file != 'generic.png')
{
$icons[$file] = substr($file,0,strpos($file,'.'));
}
}
$dir->close();
return $icons;
}
}
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