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db_filter_ui: Restrict number of active filters

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This commit is contained in:
Alexander Nicolaysen Sørnes
2008-06-18 00:33:19 +02:00
committed by Chris Morgan
parent 90da3ae7f4
commit 250296e237
1 changed files with 10 additions and 0 deletions
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10
include/db_filter_ui.php
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@@ -15,6 +15,8 @@ define('FILTER_VALUES_ENUM', 2);
define('FILTER_VALUES_BOOL', 3); define('FILTER_VALUES_BOOL', 3);
define('FILTER_VALUES_OPTION', 4); define('FILTER_VALUES_OPTION', 4);
define('MAX_FILTERS', 50);
/* Info describing an available filter: what column it applies to, /* Info describing an available filter: what column it applies to,
and what comparison options are available */ and what comparison options are available */
class FilterInfo class FilterInfo
@@ -436,10 +438,18 @@ class FilterInterface
The given TableFilterSet defines available options */ The given TableFilterSet defines available options */
public function readInput($aClean) public function readInput($aClean)
{ {
$iCount = 0; // We set a maximum for how many filters a user can add,
// otherwise we may get a too long SQL query
foreach($this->getFilterInfo() as $oOption) foreach($this->getFilterInfo() as $oOption)
{ {
foreach($this->readInputForColumn($aClean, $oOption) as $oNewFilter) foreach($this->readInputForColumn($aClean, $oOption) as $oNewFilter)
{
$iCount ++;
$this->AddFilterObject($oNewFilter); $this->AddFilterObject($oNewFilter);
if($iCount > MAX_FILTERS)
break;
}
} }
} }