egroupware_official/api/src/Framework/Favorites.php

368 lines
11 KiB
PHP

<?php
/**
* EGroupware API - Favorites server-side
*
* @link http://www.egroupware.org
* @author Nathan Gray <ng@stylite.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @subpackage framework
* @access public
* @version $Id$
*/
namespace EGroupware\Api\Framework;
use EGroupware\Api;
/**
* Favorites service-side:
*
* Favorites are generated on serverside by following code in apps sidebox hook:
*
* display_sidebox($appname, lang('Favorites'), Api\Framework\Favorites::favorite_list($appname));
*
* Clientside code resides in:
* - api/js/jsapi/app_base.js
* - api/js/etemplate/et2_widget_favorites.js
*
* Favorites are stored with prefix "favorite_" in app preferences.
*/
class Favorites
{
/**
* Include favorites when generating the page server-side
*
* Use this function in your sidebox (or anywhere else, I suppose) to
* get the favorite list when a nextmatch is _not_ on the page. If
* a nextmatch is on the page, it will update / replace this list.
*
* @param string $app application, needed to find preferences
* @param string $default preference name for default favorite, default "nextmatch-$app.index.rows-favorite"
*
* @return array with a single sidebox menu item (array) containing html for favorites
*/
public static function list_favorites($app, $default=null)
{
if (!$app)
{
return '';
}
if (!$default)
{
$default = "nextmatch-$app.index.rows-favorite";
}
// This target is used client-side to find & enable adding new favorites
$target = 'favorite_sidebox_'.$app;
/* @var $filters array an array of favorites*/
$filters = self::get_favorites($app);
$is_admin = $GLOBALS['egw_info']['user']['apps']['admin'];
$html = "<span id='$target' class='ui-helper-clearfix sidebox-favorites'><ul class='ui-menu ui-widget-content ui-corner-all favorites' role='listbox'>\n";
$default_filter = $GLOBALS['egw_info']['user']['preferences'][$app][$default];
if (!isset($default_filter) || !isset($filters[$default_filter]))
{
$default_filter = "blank";
}
// Get link for if there is no nextmatch - this is the fallback
$registry = Api\Link::get_registry($app,'list');
if (!$registry)
{
$registry = Api\Link::get_registry($app, 'index');
}
foreach($filters as $name => $filter)
{
//filter must not be empty if there's one, ignore it at the moment but it need to be checked how it got there in database
if (!$filter)
{
error_log(__METHOD__.'Favorite filter "'.$name.'" is not supposed to be empty, it should be an array. Skipping, more investigation needed. filter = '. array2string($filters[$name]));
continue;
}
$li = "<li data-id='$name' data-group='{$filter['group']}' class='ui-menu-item' role='menuitem'>\n";
$li .= '<a href="#" class="ui-corner-all" tabindex="-1">';
$li .= "<div class='" . ((string)$name === (string)$default_filter ? 'ui-icon ui-icon-heart' : 'sideboxstar') . "'></div>".
$filter['name'];
$li .= ($filter['group'] != false && !$is_admin || $name === 'blank' ? "" :
"<div class='ui-icon ui-icon-trash' title='" . lang('Delete') . "'></div>");
$li .= "</a></li>\n";
//error_log(__METHOD__."() $name, filter=".array2string($filter)." --> ".$li);
$html .= $li;
}
// If were're here, the app supports favorites, so add a 'Add' link too
$html .= "<li data-id='add' class='ui-menu-item' role='menuitem'><a href='javascript:app.$app.add_favorite()' class='ui-corner-all'>";
$html .= Api\Html::image($app, 'new') . lang('Add current'). '</a></li>';
$html .= '</ul></span>';
return array(
array(
'no_lang' => true,
'text' => $html,
'link' => false,
'icon' => false,
),
);
}
/**
* Get preferenced favorites sorted list
*
* @param string $app Application name as string
*
* @return (array|boolean) An array of sorted favorites or False if there's no preferenced sorted list
*
*/
public static function get_fav_sort_pref ($app)
{
$fav_sorted_list = array();
if (($fav_sorted_list = $GLOBALS['egw_info']['user']['preferences'][$app]['fav_sort_pref']))
{
return $fav_sorted_list;
}
else
{
return false;
}
}
/**
* Get a list of actual user favorites
* The default 'Blank' favorite is not included here
*
* @param string $app Current application
*
* @return array Favorite information
*/
public static function get_favorites($app)
{
$favorites = array(
'blank' => array(
'name' => lang('No filters'),
// Old
'filter' => array(),
// New
'state' => array(),
'group' => true
)
);
$pref_prefix = 'favorite_';
$sorted_list = array();
$fav_sort_pref = self::get_fav_sort_pref($app);
// Look through all preferences & pull out favorites
foreach((array)$GLOBALS['egw_info']['user']['preferences'][$app] as $pref_name => $pref)
{
if(strpos($pref_name, $pref_prefix) === 0)
{
if(!is_array($pref)) continue; // old favorite
$favorites[(string)substr($pref_name,strlen($pref_prefix))] = $pref;
}
}
if (is_array($fav_sort_pref))
{
foreach ($fav_sort_pref as $key)
{
$sorted_list[$key] = $favorites[$key];
}
$favorites = array_merge($sorted_list,$favorites);
}
return $favorites;
}
/**
* Create or delete a favorite for multiple users
*
* Current user needs to be an admin or it will just do nothing quietly
*
* @param string $app Current application, needed to save preference
* @param string $_name Name of the favorite
* @param string $action "add" or "delete"
* @param boolean|int|String $group ID of the group to create the favorite for, or 'all' for all users
* @param array $filters key => value pairs for the filter
* @return boolean Success
*/
public static function set_favorite($app, $_name, $action, $group, $filters = array())
{
// Only use alphanumeric for preference name, so it can be used directly as DOM ID
$name = strip_tags($_name);
$pref_name = "favorite_".$name;
// older group-favorites have just true as their group and are not deletable, if we dont find correct group
if ($group === true || $group === '1')
{
if (isset($GLOBALS['egw']->preferences->default[$app][$pref_name]))
{
$group = 'all';
}
else
{
foreach($GLOBALS['egw']->accounts->memberships($GLOBALS['egw_info']['user']['account_id'], true) as $gid)
{
$prefs = new Api\Preferences($gid);
$prefs->read_repository();
if (isset($prefs->user[$app][$pref_name]))
{
$group = $gid;
break;
}
}
}
}
if($group && $GLOBALS['egw_info']['apps']['admin'] && $group !== 'all')
{
$prefs = new Api\Preferences(is_numeric($group) ? $group : $GLOBALS['egw_info']['user']['account_id']);
}
else
{
$prefs = $GLOBALS['egw']->preferences;
}
$prefs->read_repository();
$type = $group === "all" ? "default" : "user";
//error_log(__METHOD__."('$app', '$name', '$action', ".array2string($group).", ...) pref_name=$pref_name, type=$type");
if($action == "add")
{
$filters = array(
// This is the name as user entered it, minus tags
'name' => $name,
'group' => $group ? $group : false,
'state' => $filters
);
$pref_name = "favorite_".preg_replace('/[^A-Za-z0-9-_]/u','_',$name);
$result = $prefs->add($app,$pref_name,$filters,$type);
$pref = $prefs->save_repository(false,$type);
// Update preferences client side, or it could disappear
Api\Json\Response::get()->call('egw.set_preferences', (array)$pref[$app], $app);
Api\Json\Response::get()->data(isset($result[$app][$pref_name]));
return isset($result[$app][$pref_name]);
}
else if ($action == "delete")
{
$result = $prefs->delete($app,$pref_name, $type);
$pref = $prefs->save_repository(false,$type);
// Update preferences client side, or it could come back
Api\Json\Response::get()->call('egw.set_preferences', (array)$pref[$app], $app);
Api\Json\Response::get()->data(!isset($result[$app][$pref_name]));
return !isset($result[$app][$pref_name]);
}
}
/**
* Attributes for app-favorites below state containing account_ids
*/
protected static $app_favorite_attributes = array(
'calendar' => 'owner',
'addressbook' => 'filter',
'tracker' => array('col_filter' => array('tr_assigned', 'tr_created')),
'infolog' => array('col_filter' => array('info_owner', 'info_responsible')),
'projectmanager' => array('col_filter' => array('pe_resources')),
'timesheet' => array('col_filter' => array('ts_owner')),
);
/**
* Change account_id's in favorites stored in preferences
*
* Favorites have a preference name "favorite_*" with an attribute "group" and
* "state" (see $app_account_id_attributes above).
*
* Some apps use an implizit "favorite" to save their state called "index_state",
* calendar uses "saved_states".
*
* @param string $app
* @param array $ids2change from-id => to-id pairs
* @return integer number of changed ids
*/
public static function change_account_ids($app, array $ids2change)
{
$changes = 0;
Api\Preferences::change_preference($app, '/^(index_state$|saved_states$|favorite_)/',
function($attr, $old_value) use ($app, $ids2change, &$changes)
{
$value = is_array($old_value) ? $old_value : php_safe_unserialize($old_value);
switch($attr)
{
case 'index_state':
$changes += self::change_account_id($value, self::$app_favorite_attributes[$app], $ids2change);
break;
case 'saved_states': // calendar
$changes += self::change_account_id($value, self::$app_favorite_attributes[$app], $ids2change);
break;
default: // favorite_*
$changes += self::change_account_id($value['state'], self::$app_favorite_attributes[$app], $ids2change);
if ($value['group'] && isset($ids2change[$value['group']]))
{
$value['group'] = $ids2change[$value['group']];
++$changes;
}
}
// currently apps still use php-serialized index_state, can NOT transform to json
if (!is_array($old_value))
{
$value = serialize($value);
}
//error_log("$app: change_account_ids_callback('$app', '$attr', ".array2string($old_value).", $owner) --> ".array2string($value));
return $value;
});
return $changes;
}
/**
* Change account_id in (comma-separated) value
*
* @param array|string|int $value
* @param array|string $attrs_to_change
* @param array $ids2change
* @return int number of changes made
*/
protected static function change_account_id(&$value, $attrs_to_change, array $ids2change)
{
$changes = 0;
if (!is_array($attrs_to_change))
{
if (!empty($value[$attrs_to_change]))
{
$vals = !is_array($value[$attrs_to_change]) ? explode(',', $value[$attrs_to_change]) : $value[$attrs_to_change];
foreach($vals as &$v)
{
if (isset($ids2change[$v]))
{
$v = $ids2change[$v];
$changes++;
}
}
$value[$attrs_to_change] = !is_array($value[$attrs_to_change]) ? implode(',', $vals) : $vals;
}
}
else
{
foreach($attrs_to_change as $key => $names)
{
if (is_int($key))
{
$changes += self::change_account_id($value, $names, $ids2change);
}
elseif (!empty($value[$key]))
{
$changes += self::change_account_id($value[$key], $names, $ids2change);
}
}
}
return $changes;
}
}