tonyair/sortablegridfield
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Improved updating of sort orders to use raw queries resolves issue 4

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This commit is contained in:
Ed 2013-01-23 20:11:22 -04:00
parent d4e8ba68e9
commit b54e6f12cf
1 changed files with 55 additions and 15 deletions
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70
code/forms/GridFieldSortableRows.php
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@ -104,7 +104,6 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
$gridField->getConfig()->removeComponentsByType('GridFieldSortableHeader');
}
return $dataList->sort($this->sortColumn);
}
@ -133,12 +132,6 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
$max = $list->Max($this->sortColumn);
if($list->where('"'.$this->sortColumn.'"=0')->Count()>0) {
//Start transaction if supported
if(DB::getConn()->supportsTransactions()) {
DB::getConn()->transactionStart();
}
$owner = $gridField->Form->getRecord();
$sortColumn = $this->sortColumn;
$i = 1;
@ -151,18 +144,45 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
user_error('Sort column '.$this->sortColumn.' must be an Int, column is of type '.$fieldType, E_USER_ERROR);
exit;
}
}else {
//Find table containing the sort column
$table=false;
$class=$gridField->getModelClass();
if(!empty($class::$db) && array_key_exists($sortColumn, $class::$db)) {
$table=$class;
}else {
$classes=ClassInfo::ancestry($class, true);
foreach($classes as $class) {
if(!empty($class::$db) && array_key_exists($sortColumn, $class::$db)) {
$table=$class;
break;
}
}
}
if($table===false) {
user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
exit;
}
}
//Start transaction if supported
if(DB::getConn()->supportsTransactions()) {
DB::getConn()->transactionStart();
}
//@TODO Need to optimize this to eliminate some of the resource load could use raw queries to be more efficient
foreach($list as $obj) {
if($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn.'" = ' . ($max + $i)
. '" SET "' . $sortColumn .'" = ' . ($max + $i)
. ' WHERE "' . $componentField . '" = ' . $obj->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
}else {
$obj->$sortColumn = ($max + $i);
$obj->write();
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . $sortColumn = ($max + $i)
. ' WHERE "ID" = '. $obj->ID);
}
$i++;
@ -241,6 +261,27 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
if ($many_many) {
list($parentClass, $componentClass, $parentField, $componentField, $table) = $owner->many_many($gridField->getName());
}else {
//Find table containing the sort column
$table=false;
$class=$gridField->getModelClass();
if(!empty($class::$db) && array_key_exists($sortColumn, $class::$db)) {
$table=$class;
}else {
$classes=ClassInfo::ancestry($class, true);
foreach($classes as $class) {
if(!empty($class::$db) && array_key_exists($sortColumn, $class::$db)) {
$table=$class;
break;
}
}
}
if($table===false) {
user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
exit;
}
}
@ -250,7 +291,6 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
}
//@TODO Need to optimize this to eliminate some of the resource load could use raw queries to be more efficient
$ids = explode(',', $data['ItemIDs']);
for($sort = 0;$sort<count($ids);$sort++) {
$id = intval($ids[$sort]);
@ -259,9 +299,9 @@ class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionP
. '" SET "' . $sortColumn.'" = ' . (($sort + 1) + $pageOffset)
. ' WHERE "' . $componentField . '" = ' . $id . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
$obj = $items->byID($ids[$sort]);
$obj->$sortColumn = ($sort + 1) + $pageOffset;
$obj->write();
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . (($sort + 1) + $pageOffset)
. ' WHERE "ID" = '. $id);
}
}