DNADesign\Elemental\GraphQL\SortBlockMutationCreator

Complexity

Total Complexity

9

Size/Duplication

Total Lines	82
Duplicated Lines	0 %

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
B	resolve()	0	59	6
A	attributes()	0	5	1
A	args()	0	5	1
A	type()	0	3	1

<?php
namespace DNADesign\Elemental\GraphQL;

use DNADesign\Elemental\Models\BaseElement;
use GraphQL\Type\Definition\ResolveInfo;

The type GraphQL\Type\Definition\ResolveInfo was not found. Maybe you did not declare it correctly or list all dependencies?

use GraphQL\Type\Definition\Type;

The type GraphQL\Type\Definition\Type was not found. Maybe you did not declare it correctly or list all dependencies?

use SilverStripe\GraphQL\MutationCreator;

The type SilverStripe\GraphQL\MutationCreator was not found. Maybe you did not declare it correctly or list all dependencies?

use SilverStripe\GraphQL\OperationResolver;

The type SilverStripe\GraphQL\OperationResolver was not found. Maybe you did not declare it correctly or list all dependencies?

use SilverStripe\ORM\DB;

class SortBlockMutationCreator extends MutationCreator implements OperationResolver
{
    public function attributes()
    {
        return [
            'name' => 'sortBlock',
            'description' => 'Changes the sort position of an element'
        ];
    }

    public function type()
    {
        return $this->manager->getType('Block');
    }

    public function args()
    {
        return [
            'ID' => ['type' => Type::nonNull(Type::id())],
            'AfterBlockID' => ['type' => Type::nonNull(Type::id())],
        ];
    }

    public function resolve($object, array $args, $context, ResolveInfo $info)
    {
        $block = BaseElement::get_by_id($args['ID']);

        if (!$block) {

$block is of type SilverStripe\ORM\DataObject, thus it always evaluated to true.

            throw new \InvalidArgumentException(sprintf(
                '%s# not found',
                ElementArea::class,

The type DNADesign\Elemental\GraphQL\ElementArea was not found. Maybe you did not declare it correctly or list all dependencies?

                $args['ID']
            ));
        }

        $parentId = $block->ParentID;
        $blockPosition = $block->Sort;

        $sortAfterPosition = 0;
        $afterBlockID = $args['AfterBlockID'];
        if ($afterBlockID) {
            $afterBlock = BaseElement::get_by_id($afterBlockID);

            if (!$afterBlock) {

$afterBlock is of type SilverStripe\ORM\DataObject, thus it always evaluated to true.

                throw new \InvalidArgumentException(sprintf(
                    '%s#%s not found',
                    BaseElement::class,
                    $afterBlockID
                ));
            }
            if ($afterBlock->ParentID !== $parentId) {
                throw new \InvalidArgumentException(sprintf(
                    '%s# not found',
                    BaseElement::class,
                    $parentId
                ));
            }

            $sortAfterPosition = $afterBlock->Sort;
        }

        if ($sortAfterPosition < $blockPosition) {
            $operator = '+';
            $filter = "Sort > $sortAfterPosition && Sort < $blockPosition";
            $newBlockPosition = $sortAfterPosition + 1;
        }
        else {
            $operator = '-';
            $filter = "Sort <= $sortAfterPosition && Sort > $blockPosition";
            $newBlockPosition = $sortAfterPosition;
        }

        DB::query("
            UPDATE Element
            SET Sort = (Sort $operator 1)
            WHERE $filter && ParentId = $parentId 
        ");

        $block->Sort = $newBlockPosition;
        $block->write();

        return $block;
    }
}