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egroupware_official/resources/inc/class.resources_bo.inc.php

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<?php
/**
* EGroupware - resources
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package resources
* @link http://www.egroupware.org
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
* @author Lukas Weiss <wnz_gh05t@users.sourceforge.net>
* @version $Id$
*/
/**
* General business object for resources
*
* @package resources
*/
class resources_bo
{
const DELETED = 'deleted';
const PICTURE_NAME = '.picture.jpg';
var $resource_icons = '/resources/templates/default/images/resource_icons/';
var $debug = 0;
/**
* Instance of resources so object
*
* @var resources_so
*/
var $so;
/**
* Instance of resources acl class
*
* @var bo_acl
*/
var $acl;
/**
* Instance of categories class for resources
*/
var $cats;
/**
* List of filter options
*/
public static $filter_options = array(
-1 => 'resources',
-2 => 'accessories',
-3 => 'resources and accessories'
// Accessories of a resource added when resource selected
);
public static $field2label = array(
'res_id' => 'Resource ID',
'name' => 'name',
'short_description' => 'short description',
'cat_id' => 'Category',
'quantity' => 'Quantity',
'useable' => 'Useable',
'location' => 'Location',
'storage_info' => 'Storage',
'bookable' => 'Bookable',
'buyable' => 'Buyable',
'prize' => 'Prize',
'long_description' => 'Long description',
'inventory_number' => 'inventory number',
'accessory_of' => 'Accessory of'
);
function __construct()
{
$this->so = new resources_so();
$this->acl =& CreateObject('resources.bo_acl');
$this->cats = $this->acl->egw_cats;
$this->cal_right_transform = array(
EGW_ACL_CALREAD => EGW_ACL_READ,
EGW_ACL_DIRECT_BOOKING => EGW_ACL_READ | EGW_ACL_ADD | EGW_ACL_EDIT | EGW_ACL_DELETE,
EGW_ACL_CAT_ADMIN => EGW_ACL_READ | EGW_ACL_ADD | EGW_ACL_EDIT | EGW_ACL_DELETE,
);
}
/**
* get rows for resources list
*
* Cornelius Weiss <egw@von-und-zu-weiss.de>
*/
function get_rows($query,&$rows,&$readonlys)
{
if(!$query['csv_export'])
{
$GLOBALS['egw']->session->appsession('session_data','resources_index_nm',$query);
}
if ($query['store_state']) // request to store state in session and filter in prefs?
{
egw_cache::setSession('resources',$query['store_state'],$query);
//echo "<p>".__METHOD__."() query[filter]=$query[filter], prefs[resources][filter]={$GLOBALS['egw_info']['user']['preferences']['resources']['filter']}</p>\n";
if ($query['filter'] != $GLOBALS['egw_info']['user']['preferences']['resources']['filter'])
{
$GLOBALS['egw']->preferences->add('resources','filter',$query['filter'],'user');
$GLOBALS['egw']->preferences->save_repository();
}
}
if ($this->debug) _debug_array($query);
$read_onlys = 'res_id,name,short_description,quantity,useable,bookable,buyable,cat_id,location,storage_info';
$filter = array();
$join = '';
$extra_cols = array();
// Sub-query to get the count of accessories
$acc_join = "LEFT JOIN (SELECT accessory_of AS accessory_id, count(res_id) as acc_count FROM {$this->so->table_name} GROUP BY accessory_of) AS acc ON acc.accessory_id = {$this->so->table_name}.res_id ";
switch($query['filter2'])
{
case -1:
// Resources only
$filter['accessory_of'] = -1;
$join = $acc_join;
$extra_cols[] = 'acc_count';
break;
case -2:
// Accessories only
$filter[] = 'accessory_of != -1';
break;
case -3:
// All
$join = $acc_join;
$extra_cols[] = 'acc_count';
break;
case self::DELETED:
$join = $acc_join;
$extra_cols[] = 'acc_count';
$filter[] = 'deleted IS NOT NULL';
break;
default:
$filter['accessory_of'] = $query['filter2'];
}
if($query['filter2'] != self::DELETED)
{
$filter['deleted'] = null;
}
if ($query['filter'])
{
if (($children = $this->acl->get_cats(EGW_ACL_READ,$query['filter'])))
{
$filter['cat_id'] = array_keys($children);
$filter['cat_id'][] = $query['filter'];
}
else
{
$filter['cat_id'] = $query['filter'];
}
}
elseif (($readcats = $this->acl->get_cats(EGW_ACL_READ)))
{
$filter['cat_id'] = array_keys($readcats);
}
// if there is no catfilter -> this means you have no rights, so set the cat filter to null
if (!isset($filter['cat_id']) || empty($filter['cat_id'])) {
$filter['cat_id'] = NUll;
}
if ($query['show_bookable'])
{
$filter['bookable'] = true;
}
$order_by = $query['order'] ? $query['order'].' '. $query['sort'] : '';
$start = (int)$query['start'];
foreach ($filter as $k => $v) $query['col_filter'][$k] = $v;
$this->so->get_rows($query, $rows, $readonlys, $join, false, false, $extra_cols);
$nr = $this->so->total;
// we are called to serve bookable resources (e.g. calendar-dialog)
if($query['show_bookable'])
{
// This is somehow ugly, i know...
foreach((array)$rows as $num => $resource)
{
$rows[$num]['default_qty'] = 1;
}
// we don't need all the following testing
return $nr;
}
$config = config::read('resources');
foreach($rows as $num => &$resource)
{
if (!$this->acl->is_permitted($resource['cat_id'],EGW_ACL_EDIT))
{
$readonlys["edit[$resource[res_id]]"] = true;
}
elseif($resource['deleted'])
{
$resource['class'] .= 'deleted ';
}
if (!$this->acl->is_permitted($resource['cat_id'],EGW_ACL_DELETE) ||
($resource['deleted'] && !$GLOBALS['egw_info']['user']['apps']['admin'] && $config['history'] == 'history')
)
{
$readonlys["delete[$resource[res_id]]"] = true;
$resource['class'] .= 'no_delete ';
}
if ((!$this->acl->is_permitted($resource['cat_id'],EGW_ACL_ADD)) ||
// Allow new accessory action when viewing accessories of a certain resource
$query['filter2'] <= 0 && $resource['accessory_of'] != -1)
{
$readonlys["new_acc[$resource[res_id]]"] = true;
$resource['class'] .= 'no_new_accessory ';
}
if (!$resource['bookable'])
{
$readonlys["bookable[$resource[res_id]]"] = true;
$readonlys["calendar[$resource[res_id]]"] = true;
$resource['class'] .= 'no_book ';
$resource['class'] .= 'no_view_calendar ';
}
if(!$this->acl->is_permitted($resource['cat_id'],EGW_ACL_CALREAD))
{
$readonlys["calendar[$resource[res_id]]"] = true;
$resource['class'] .= 'no_view_calendar ';
}
if (!$resource['buyable'])
{
$readonlys["buyable[$resource[res_id]]"] = true;
$resource['class'] .= 'no_buy ';
}
$readonlys["view_acc[{$resource['res_id']}]"] = ($resource['acc_count'] == 0);
$resource['class'] .= ($resource['accessory_of']==-1 ? 'resource ' : 'accessory ');
if($resource['acc_count'])
{
$resource['class'] .= 'hasAccessories ';
$accessories = $this->get_acc_list($resource['res_id'],$query['filter2']==self::DELETED);
foreach($accessories as $acc_id => $acc_name)
{
$resource['accessories'][] = array('acc_id' => $acc_id, 'name' => $this->link_title($acc_id));
}
} elseif ($resource['accessory_of'] > 0) {
$resource['accessory_of_label'] = $this->link_title($resource['accessory_of']);
}
if($resource['deleted'])
{
$rows[$num]['picture_thumb'] = 'deleted';
}
else
{
$rows[$num]['picture_thumb'] = $this->get_picture($resource);
}
$rows[$num]['admin'] = $this->acl->get_cat_admin($resource['cat_id']);
}
if(!config::get_customfields('resources'))
{
$rows['no_customfields'] = true;
}
return $nr;
}
/**
* reads a resource exept binary datas
*
* Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int $res_id resource id
* @return array with key => value or false if not found or allowed
*/
function read($res_id)
{
if (!($data = $this->so->read(array('res_id' => $res_id))))
{
return null; // not found
}
if (!$this->acl->is_permitted($data['cat_id'],EGW_ACL_READ))
{
return false; // permission denied
}
return $data;
}
/**
* saves a resource. pictures are saved in vfs
*
* 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'],EGW_ACL_EDIT))
{
return lang('You are not permitted to edit this resource!');
}
$old = array();
// we need an id to save pictures and make links...
if(!$resource['res_id'])
{
$resource['res_id'] = $this->so->save($resource);
}
else
{
$old = $this->read($resource['res_id']);
}
switch ($resource['picture_src'])
{
case 'own_src':
if($resource['own_file']['size'] > 0)
{
$msg = $this->save_picture($resource['own_file'],$resource['res_id']);
unset($resource['own_file']);
break;
}
elseif(@egw_vfs::stat('/apps/resources/'.$resource['res_id'].'/'.self::PICTURE_NAME))
{
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['res_id']);
}
else
{
$resource['picture_src'] = 'cat_src';
}
}
// somthing went wrong on saving own picture
if($msg)
{
return $msg;
}
// Check for restore of deleted, restore held links
if($old && $old['deleted'] && !$resource['deleted'])
{
egw_link::restore('resources', $resource['res_id']);
}
// delete old pictures
if($resource['picture_src'] != 'own_src')
{
$this->remove_picture($resource['res_id']);
}
// Update link title
egw_link::notify_update('resources',$resource['res_id'], $resource);
// save links
if(is_array($resource['link_to']['to_id']))
{
egw_link::link('resources',$resource['res_id'],$resource['link_to']['to_id']);
}
if($resource['accessory_of'] != $old['accessory_of'])
{
egw_link::unlink(0,'resources',$resource['res_id'],'','resources',$old['accessory_of']);
// Check for resource changing to accessory - move its accessories to resource
if($old['accessory_of'] == -1 && $accessories = $this->get_acc_list($resource['res_id']))
{
foreach($accessories as $accessory => $name)
{
egw_link::unlink(0,'resources',$accessory,'','resources',$resource['res_id']);
$acc = $this->read($accessory);
$acc['accessory_of'] = -1;
$this->so->save($acc);
}
}
}
if($resource['accessory_of'] != -1)
{
egw_link::link('resources',$resource['res_id'],'resources',$resource['accessory_of']);
}
if(!empty($resource['res_id']) && $this->so->get_value("cat_id",$resource['res_id']) != $resource['cat_id'] && $resource['accessory_of'] == -1)
{
$accessories = $this->get_acc_list($resource['res_id']);
foreach($accessories as $accessory => $name)
{
$acc = $this->so->read($accessory);
$acc['cat_id'] = $resource['cat_id'];
$this->so->data = $acc;
$this->so->save();
}
}
$res_id = $this->so->save($resource);
// History & notifications
if (!is_object($this->tracking))
{
$this->tracking = new resources_tracking();
}
if ($this->tracking->track($resource,$old,$this->user) === false)
{
return implode(', ',$this->tracking->errors);
}
return $res_id ? $res_id : lang('Something went wrong by saving resource');
}
/**
* deletes resource including pictures and links
*
* @author Lukas Weiss <wnz_gh05t@users.sourceforge.net>
* @param int $res_id id of resource
*/
function delete($res_id)
{
if(!$this->acl->is_permitted($this->so->get_value('cat_id',$res_id),EGW_ACL_DELETE))
{
return lang('You are not permitted to delete this resource!');
}
// check if we only mark resources as deleted, or really delete them
$old = $this->read($res_id);
$config = config::read('resources');
if ($config['history'] != '' && $old['deleted'] == null)
{
$old['deleted'] = time();
$this->save($old);
egw_link::unlink(0,'resources',$res_id,'','','',true);
$accessories = $this->get_acc_list($res_id);
foreach($accessories as $acc_id => $name)
{
// Don't purge already deleted accessories
$acc = $this->read($acc_id);
if(!$acc['deleted'])
{
$acc['deleted'] = time();
$this->save($acc);
egw_link::unlink(0,'resources',$acc_id,'','','',true);
}
}
return false;
}
elseif ($this->so->delete(array('res_id'=>$res_id)))
{
$accessories = $this->get_acc_list($res_id, true);
foreach($accessories as $acc_id => $name)
{
if($this->delete($acc_id))
{
$acc = $this->read($acc_id);
$acc['accessory_of'] = -1;
$this->save($acc);
}
};
$this->remove_picture($res_id);
egw_link::unlink(0,'resources',$res_id);
// delete the resource from the calendar
ExecMethod('calendar.calendar_so.deleteaccount','r'.$res_id);
return false;
}
return lang('Something went wrong by deleting resource');
}
/**
* gets list of accessories for resource
*
* Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int $res_id id of resource
* @param boolean $deleted Include deleted accessories
* @return array
*/
function get_acc_list($res_id,$deleted=false)
{
if($res_id < 1){return;}
$data = $this->so->search('','res_id,name,deleted','','','','','',$start,array('accessory_of' => $res_id),'',$need_full_no_count=true);
$acc_list = array();
if($data) {
foreach($data as $num => $resource)
{
if($resource['deleted'] && !$deleted) continue;
$acc_list[$resource['res_id']] = $resource['name'];
}
}
return $acc_list;
}
/**
* returns info about resource for calender
* @author Cornelius Weiss<egw@von-und-zu-weiss.de>
* @param int|array $res_id single id or array $num => $res_id
* @return array
*/
function get_calendar_info($res_id)
{
//echo "<p>resources_bo::get_calendar_info(".print_r($res_id,true).")</p>\n";
if(!is_array($res_id) && $res_id < 1) return;
$data = $this->so->search(array('res_id' => $res_id),self::TITLE_COLS.',useable');
if (!is_array($data))
{
error_log(__METHOD__." No Calendar Data found for Resource with id $res_id");
return array();
}
foreach($data as $num => &$resource)
{
$resource['rights'] = false;
foreach($this->cal_right_transform as $res_right => $cal_right)
{
if($this->acl->is_permitted($resource['cat_id'],$res_right))
{
$resource['rights'] = $cal_right;
}
}
$resource['responsible'] = $this->acl->get_cat_admin($resource['cat_id']);
// preseed the cache
egw_link::set_cache('resources',$resource['res_id'],$t=$this->link_title($resource));
}
return $data;
}
/**
* returns status for a new calendar entry depending on resources ACL
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int $res_id single id
* @return string|boolean false if resource not found, no read rights or not bookable, else A if user has direkt booking rights or U if no dirket booking
*/
function get_calendar_new_status($res_id)
{
if (!($data = $this->read($res_id)) || !$data['bookable'])
{
return false;
}
return $this->acl->is_permitted($data['cat_id'],EGW_ACL_DIRECT_BOOKING) ? A : U;
}
/**
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
* query infolog for entries matching $pattern
* @param string|array $pattern if it's a string it is the string we will search for as a criteria, if it's an array we
* will seach for 'search' key in this array to get the string criteria. others keys handled are actually used
* for calendar disponibility.
* @param array $options Array of options for the search
*
*/
function link_query( $pattern, Array &$options = array() )
{
if (is_array($pattern))
{
$criteria =array('name' => $pattern['search']
,'short_description' => $pattern['search']);
}
else
{
$criteria = array('name' => $pattern
, 'short_description' => $pattern);
}
$only_keys = 'res_id,name,short_description,bookable,useable';
// If no read access to any category, just stop
if(!$this->acl->get_cats(EGW_ACL_READ))
{
$options['total'] = 0;
return array();
}
$filter = array(
'cat_id' => array_flip((array)$this->acl->get_cats(EGW_ACL_READ)),
//'accessory_of' => '-1'
'deleted' => null
);
$limit = false;
if($options['start'] || $options['num_rows']) {
$limit = array($options['start'], $options['num_rows']);
}
if($options['accessory_of'])
{
$filter['accessory_of'] = $options['accessory_of'];
}
$data = $this->so->search($criteria,$only_keys,$order_by='name',$extra_cols='',$wildcard='%',$empty,$op='OR',$limit,$filter);
// maybe we need to check disponibility of the searched resources in the calendar if $pattern ['exec'] contains some extra args
$show_conflict=False;
if (is_array($pattern) && isset($pattern['exec']) )
{
// we'll use a cache for resources info taken from database
static $res_info_cache = array();
$cal_info=$pattern['exec'];
if ( isset($cal_info['start']) && isset($cal_info['duration']))
{
//get a calendar objet for reservations
if ( (!isset($this->bocal)) || !(is_object($this->bocal)))
{
require_once(EGW_INCLUDE_ROOT.'/calendar/inc/class.calendar_bo.inc.php');
$this->bocal =& CreateObject('calendar.calendar_bo');
}
//get the real timestamps from infos we have on the event
//use etemplate date widget to handle date values
require_once(EGW_INCLUDE_ROOT.'/phpgwapi/inc/class.jscalendar.inc.php');
$jscal=& CreateObject('phpgwapi.jscalendar');
$startarr= $jscal->input2date($cal_info['start']['str'],$raw='raw',$day='day',$month='month',$year='year');
if (isset($cal_info['whole_day'])) {
$startarr['hour'] = $startarr['minute'] = 0;
unset($startarr['raw']);
$start = $this->bocal->date2ts($startarr);
$end = $start + 86399;
} else {
$startarr['hour'] = $cal_info['start']['H'];
$startarr['minute'] = $cal_info['start']['i'];
unset($startarr['raw']);
$start = $this->bocal->date2ts($startarr);
$end = $start + ($cal_info['duration']);
}
// search events matching our timestamps
$resource_list=array();
foreach($data as $num => $resource)
{
// we only need resources id for the search, but with a 'r' prefix
// now we take this loop to store a new resource array indexed with resource id
// and as we work for calendar we use only bookable resources
if ((isset($resource['bookable'])) && ($resource['bookable'])){
$res_info_cache[$resource['res_id']]=$resource;
$resource_list[]='r'.$resource['res_id'];
}
}
$overlapping_events =& $this->bocal->search(array(
'start' => $start,
'end' => $end,
'users' => $resource_list,
'ignore_acl' => true, // otherwise we get only events readable by the user
'enum_groups' => false, // otherwise group-events would not block time
));
// parse theses overlapping events
foreach($overlapping_events as $event)
{
if ($event['non_blocking']) continue; // ignore non_blocking events
if (isset($cal_info['event_id']) && $event['id']==$cal_info['event_id']) {
continue; //ignore this event, it's the current edited event, no conflict by def
}
// now we are interested only on resources booked by theses events
if (isset($event['participants']) && is_array($event['participants'])){
foreach($event['participants'] as $part_key => $part_detail){
if ($part_key{0}=='r')
{ //now we gatta resource here
//need to check the quantity of this resource
$resource_id=substr($part_key,1);
// if we do not find this resource in our indexed array it's certainly
// because it was unset, non bookable maybe
if (!isset($res_info_cache[$resource_id])) continue;
// to detect ressources with default to 1 quantity
if (!isset($res_info_cache[$resource_id]['useable'])) {
$res_info_cache[$resource_id]['useable'] = 1;
}
// now decrement this quantity useable
// TODO : decrement with real event quantity, not 1
// but this quantity is not given by calendar search, we should re-use a cal object
// to load specific cal infos, like quantity... lot of requests
$res_info_cache[$resource_id]['useable']--;
}
}
}
}
}
}
if (isset($res_info_cache)) {
$show_conflict= (isset($pattern['exec']['show_conflict'])&& ($pattern['exec']['show_conflict']=='0'))? False:True;
// if we have this array indexed on resource id it means non-bookable resource are removed and we are working for calendar
// so we'll loop on this one and not $data
foreach($res_info_cache as $id => $resource) {
//maybe this resource is reserved
if ( ($resource['useable'] < 1) )
{
if($show_conflict) {
$list[$id] = ' ('.lang('conflict').') '.$resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
} else {
$list[$id] = $resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
}
} else {
// we are not working for the calendar, we loop on the initial $data
if (is_array($data)) {
foreach($data as $num => $resource)
{
$id=$resource['res_id'];
$list[$id] = $resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
} else {
error_log(__METHOD__." No Data found for Resource with id ".$resource['res_id']);
}
}
$options['total'] = $this->so->total;
return $list;
}
/**
* get title for an infolog entry identified by $res_id
*
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int|array $resource
* @return string|boolean string with title, null if resource does not exist or false if no perms to view it
*/
function link_title( $resource )
{
if (!is_array($resource))
{
if (!($resource = $this->read(array('res_id' => $resource)))) return $resource;
}
elseif (!$this->acl->is_permitted($resource['cat_id'],EGW_ACL_READ))
{
return false;
}
return $resource['name']. ($resource['short_description'] ? ', ['.$resource['short_description'].']':'');
}
/**
* Columns displayed in title (or required for ACL)
*
*/
const TITLE_COLS = 'res_id,name,short_description,cat_id';
/**
* get title for multiple contacts identified by $ids
*
* Is called as hook to participate in the linking.
*
* @param array $ids array with resource-id's
* @return array with titles, see link_title
*/
function link_titles(array $ids)
{
$titles = array();
if (($resources =& $this->so->search(array('res_id' => $ids),self::TITLE_COLS)))
{
foreach($resources as $resource)
{
$titles[$resource['res_id']] = $this->link_title($resource);
}
}
// we assume all not returned contacts are not readable for the user (as we report all deleted contacts to egw_link)
foreach($ids as $id)
{
if (!isset($titles[$id]))
{
$titles[$id] = false;
}
}
return $titles;
}
/**
* resizes and saves an pictures in vfs
*
* Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param array $file array with key => value
* @param int $resource_id
* @return mixed string with msg if somthing went wrong; nothing if all right
*/
function save_picture($file,$resouce_id)
{
switch($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);
$tmp_name = tempnam($GLOBALS['egw_info']['server']['temp_dir'],'resources-picture');
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,$tmp_name);
imagedestroy($dst_img);
}
else
{
imagejpeg($src_img,$tmp_name);
}
imagedestroy($src_img);
egw_link::attach_file('resources',$resouce_id,array(
'tmp_name' => $tmp_name,
'name' => self::PICTURE_NAME,
'type' => 'image/jpeg',
));
}
/**
* get resource picture either from vfs or from symlink
* Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int|array $resource res-id or whole resource array
* @param bool $fullsize false = thumb, true = full pic
* @return string url of picture
*/
function get_picture($resource,$fullsize=false)
{
if ($resource && !is_array($resource)) $resource = $this->read($resource);
switch($resource['picture_src'])
{
case 'own_src':
$picture = egw_link::vfs_path('resources',$resource['res_id'],self::PICTURE_NAME,true); // vfs path
if ($fullsize)
{
$picture = egw::link(egw_vfs::download_url($picture));
}
else
{
$picture = egw::link('/etemplate/thumbnail.php',array('path' => $picture));
}
break;
case 'cat_src':
list($picture) = $this->cats->return_single($resource['cat_id']);
$picture = unserialize($picture['data']);
if($picture['icon'])
{
$picture = $GLOBALS['egw_info']['server']['webserver_url'].'/phpgwapi/images/'.$picture['icon'];
break;
}
// fall through
case 'gen_src':
default :
$src = $resource['picture_src'];
$picture = $GLOBALS['egw_info']['server']['webserver_url'].$this->resource_icons;
$picture .= strpos($src,'.') !== false ? $src : 'generic.png';
}
return $picture;
}
/**
* removes picture from vfs
*
* Cornelius Weiss <egw@von-und-zu-weiss.de>
* @param int $res_id id of resource
* @return bool succsess or not
*/
function remove_picture($res_id)
{
if (($arr = egw_link::delete_attached('resources',$res_id,self::PICTURE_NAME)) && is_array($arr))
{
return array_shift($arr); // $arr = array($path => (bool)$ok);
}
return false;
}
/**
* get_genpicturelist
* gets all pictures from 'generic picutres dir' in selectbox style for eTemplate
*
* 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');
$dir = dir(EGW_SERVER_ROOT.$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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