OverlappingFieldsCanBeMerged::findConflictsBetweenSubSelectionSets()

Complexity

Conditions	7
Paths	12

Size

Total Lines	79
Code Lines	46

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	42
CRAP Score	7.059

Importance

Changes

0

<?php
    private function findConflictsBetweenSubSelectionSets(
        ValidationContext $context,
        $areMutuallyExclusive,
        $parentType1,
        SelectionSetNode $selectionSet1,
        $parentType2,
        SelectionSetNode $selectionSet2
    ) {
        $conflicts = [];

        list($fieldMap1, $fragmentNames1) = $this->getFieldsAndFragmentNames(
            $context,
            $parentType1,
            $selectionSet1
        );
        list($fieldMap2, $fragmentNames2) = $this->getFieldsAndFragmentNames(
            $context,
            $parentType2,
            $selectionSet2
        );

        // (H) First, collect all conflicts between these two collections of field.
        $this->collectConflictsBetween(
            $context,
            $conflicts,
            $areMutuallyExclusive,
            $fieldMap1,
            $fieldMap2
        );

        // (I) Then collect conflicts between the first collection of fields and
        // those referenced by each fragment name associated with the second.
        $fragmentNames2Length = count($fragmentNames2);
        if ($fragmentNames2Length !== 0) {
            $comparedFragments = [];
            for ($j = 0; $j < $fragmentNames2Length; $j++) {
                $this->collectConflictsBetweenFieldsAndFragment(
                    $context,
                    $conflicts,
                    $comparedFragments,
                    $areMutuallyExclusive,
                    $fieldMap1,
                    $fragmentNames2[$j]
                );
            }
        }

        // (I) Then collect conflicts between the second collection of fields and
        // those referenced by each fragment name associated with the first.
        $fragmentNames1Length = count($fragmentNames1);
        if ($fragmentNames1Length !== 0) {
            $comparedFragments = [];
            for ($i = 0; $i < $fragmentNames2Length; $i++) {
                $this->collectConflictsBetweenFieldsAndFragment(
                    $context,
                    $conflicts,
                    $comparedFragments,
                    $areMutuallyExclusive,
                    $fieldMap2,
                    $fragmentNames1[$i]
                );
            }
        }

        // (J) Also collect conflicts between any fragment names by the first and
        // fragment names by the second. This compares each item in the first set of
        // names to each item in the second set of names.
        for ($i = 0; $i < $fragmentNames1Length; $i++) {
            for ($j = 0; $j < $fragmentNames2Length; $j++) {
                $this->collectConflictsBetweenFragments(
                    $context,
                    $conflicts,
                    $areMutuallyExclusive,
                    $fragmentNames1[$i],
                    $fragmentNames2[$j]
                );
            }
        }
        return $conflicts;
    }