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<?php |
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namespace SilverStripe\AssetAdmin\GraphQL; |
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use SilverStripe\Assets\File; |
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use SilverStripe\Assets\Folder; |
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use GraphQL\Type\Definition\UnionType; |
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use SilverStripe\GraphQL\Pagination\PaginatedQueryCreator; |
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use SilverStripe\GraphQL\Pagination\Connection; |
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use SilverStripe\ORM\Versioning\Versioned; |
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class ReadFileQueryCreator extends PaginatedQueryCreator |
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{ |
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public function attributes() |
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{ |
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return [ |
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'name' => 'readFiles' |
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]; |
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} |
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public function createConnection() |
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{ |
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return Connection::create('readFiles') |
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->setConnectionType(function () { |
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$unionType = new UnionType([ |
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'name' => 'Result', |
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'types' => [ |
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$this->manager->getType('File'), |
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$this->manager->getType('Folder') |
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], |
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View Code Duplication |
'resolveType' => function ($object) { |
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if ($object instanceof Folder) { |
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return $this->manager->getType('Folder'); |
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} |
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if ($object instanceof File) { |
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return $this->manager->getType('File'); |
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} |
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return null; |
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} |
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]); |
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return $unionType; |
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}) |
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->setArgs(function () { |
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return [ |
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'filter' => [ |
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'type' => $this->manager->getType('FileFilterInput') |
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] |
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]; |
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}) |
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->setSortableFields(['ID', 'Title', 'Created', 'LastEdited']) |
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->setConnectionResolver(array($this, 'resolveConnection')); |
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} |
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public function resolveConnection($object, array $args, $context, $info) |
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{ |
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$filter = (!empty($args['filter'])) ? $args['filter'] : []; |
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// Permission checks |
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$parent = Folder::singleton(); |
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if (isset($filter['parentId']) && $filter['parentId'] !== 0) { |
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$parent = Folder::get()->byID($filter['parentId']); |
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if (!$parent) { |
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throw new \InvalidArgumentException(sprintf( |
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'%s#%s not found', |
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Folder::class, |
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$filter['parentId'] |
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)); |
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} |
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} |
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if (!$parent->canView($context['currentUser'])) { |
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throw new \InvalidArgumentException(sprintf( |
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'%s#%s view access not permitted', |
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Folder::class, |
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$parent->ID |
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)); |
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} |
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if (isset($filter['recursive']) && $filter['recursive']) { |
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throw new \InvalidArgumentException(( |
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'The "recursive" flag can only be used for the "children" field' |
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)); |
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} |
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// Filter list |
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$list = Versioned::get_by_stage(File::class, Versioned::DRAFT); |
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$filterInputType = new FileFilterInputTypeCreator($this->manager); |
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$list = $filterInputType->filterList($list, $filter); |
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// Permission checks |
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$list = $list->filterByCallback(function (File $file) use ($context) { |
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return $file->canView($context['currentUser']); |
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}); |
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return $list; |
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} |
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} |
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silverstripe /
silverstripe-asset-admin
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