SignpostMarv\DaftObject\TraitWriteableTree

Complexity

Total Complexity

19

Size/Duplication

Total Lines	137
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	StoreThenRetrieveFreshLeaf()	0	14	2
A	ModifyDaftNestedObjectTreeRemoveWithObject()	0	25	4
B	ModifyDaftNestedObjectTreeRemoveWithId()	0	30	6
A	ModifyDaftNestedObjectTreeInsert()	0	19	4
A	ModifyDaftNestedObjectTreeInsertLoose()	0	28	3

<?php
/**
* Base daft nested objects.
*
* @author SignpostMarv
*/
declare(strict_types=1);

namespace SignpostMarv\DaftObject;

use BadMethodCallException;
use InvalidArgumentException;
use RuntimeException;

trait TraitWriteableTree
{
    use TraitWriteableTreeUtilities;

    public function ModifyDaftNestedObjectTreeInsert(
        DaftNestedWriteableObject $newLeaf,
        DaftNestedWriteableObject $referenceLeaf,
        bool $before = false,
        bool $above = null
    ) : DaftNestedWriteableObject {
        if ($newLeaf->GetId() === $referenceLeaf->GetId()) {
            throw new InvalidArgumentException('Cannot modify leaf relative to itself!');
        }

        if (true === $above) {
            $this->ModifyDaftNestedObjectTreeInsertAbove($newLeaf, $referenceLeaf);
        } elseif (false === $above) {
            $this->ModifyDaftNestedObjectTreeInsertBelow($newLeaf, $referenceLeaf);
        } else {
            $this->ModifyDaftNestedObjectTreeInsertAdjacent($newLeaf, $referenceLeaf, $before);
        }

        return $this->RebuildAfterInsert($newLeaf);
    }

    /**
    * @param mixed $leaf
    * @param mixed $referenceId
    */
    public function ModifyDaftNestedObjectTreeInsertLoose(
        $leaf,
        $referenceId,
        bool $before = false,
        bool $above = null
    ) : DaftNestedWriteableObject {
        $leaf = $this->MaybeGetLeaf($leaf);

        $reference = $this->RecallDaftObject($referenceId);
        $tree = $this->ThrowIfNotTree();

        $resp = $this->ModifyDaftNestedObjectTreeInsertMaybeLooseIntoTree(
            $tree,
            $leaf,
            $reference,
            $referenceId === $tree->GetNestedObjectTreeRootId(),
            $before,
            $above
        );

        if ($resp instanceof DaftNestedWriteableObject) {
            return $resp;
        }

        throw new InvalidArgumentException(sprintf(
            'Argument %u passed to %s() did not resolve to a leaf node!',
            is_null($leaf) ? 1 : 2,
            __METHOD__
        ));
    }

    public function ModifyDaftNestedObjectTreeRemoveWithObject(
        DaftNestedWriteableObject $root,
        ? DaftNestedWriteableObject $replacementRoot
    ) : int {
        if (
            $this->CountDaftNestedObjectTreeWithObject($root, false, null) > 0 &&
            is_null($replacementRoot)
        ) {
            throw new BadMethodCallException('Cannot leave orphan objects in a tree');
        }

        $root = $this->StoreThenRetrieveFreshLeaf($root);

        if ( ! is_null($replacementRoot)) {
            $this->ModifyDaftNestedObjectTreeRemoveWithObjectPrepareRemovalAndRebuild(
                $root,
                $replacementRoot
            );
        }

        $this->RemoveDaftObject($root);

        $this->RebuildTreeInefficiently();

        return $this->CountDaftNestedObjectFullTree();
    }

    /**
    * @param mixed $root
    * @param scalar|scalar[]|null $replacementRoot
    */
    public function ModifyDaftNestedObjectTreeRemoveWithId($root, $replacementRoot) : int
    {
        $rootObject = $this->RecallDaftObject($root);

        if ($rootObject instanceof DaftNestedWriteableObject) {
            $tree = $this->ThrowIfNotTree();

            if (
                $tree->CountDaftNestedObjectTreeWithObject($rootObject, false, null) > 0 &&
                is_null($replacementRoot)
            ) {
                throw new BadMethodCallException('Cannot leave orphan objects in a tree');
            } elseif (
                ! is_null($replacementRoot) &&
                $replacementRoot !== $tree->GetNestedObjectTreeRootId()
            ) {
                $replacementRoot = $tree->RecallDaftObject($replacementRoot);

                return $this->MaybeRemoveWithPossibleObject($rootObject, $replacementRoot);
            }

            /**
            * @var scalar|scalar[] $replacementRoot
            */
            $replacementRoot = $replacementRoot;

            $this->UpdateRemoveThenRebuild($rootObject, $replacementRoot);
        }

        return $this->CountDaftNestedObjectFullTree();
    }

    public function StoreThenRetrieveFreshLeaf(
        DaftNestedWriteableObject $leaf
    ) : DaftNestedWriteableObject {
        $this->RememberDaftObject($leaf);
        $this->ForgetDaftObject($leaf);
        $this->ForgetDaftObjectById($leaf->GetId());

        $fresh = $this->RecallDaftObject($leaf->GetId());

        if ( ! ($fresh instanceof DaftNestedWriteableObject)) {
            throw new RuntimeException('Was not able to obtain a fresh copy of the object!');
        }

        return $fresh;
    }
}