ConcatenatesRelationships::hasOneOrManyDeepFromRelations() - Code Metrics - Inspection of "Support existing relationships with constraints" - staudenmeir/eloquent-has-many-deep - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( c2f1bc...d58289 )

by Jonas
created 2022-07-02 15:13 UTC
hasOneOrManyDeepFromRelations() A

↳ Parent: ConcatenatesRelationships
Complexity

Conditions	6
Paths	12
Size

Total Lines	32
Code Lines	18
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	18
CRAP Score	6
Importance

Changes
Metric	Value
cc	6
eloc	18
nc	12
nop	1
dl	0
loc	32
ccs	18
cts	18
cp	1
crap	6
rs	9.0444
c	0
b	0
f	0
<?php

namespace Staudenmeir\EloquentHasManyDeep\Traits;

use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasManyThrough;
use Illuminate\Database\Eloquent\Relations\HasOneOrMany;
use Illuminate\Database\Eloquent\Relations\MorphOneOrMany;
use Illuminate\Database\Eloquent\Relations\MorphToMany;
use Illuminate\Database\Eloquent\Relations\Pivot;
use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use RuntimeException;
use Staudenmeir\EloquentHasManyDeep\HasManyDeep;
use Staudenmeir\EloquentHasManyDeep\HasOneDeep;

trait ConcatenatesRelationships
{
    /**
     * Define a has-many-deep relationship from existing relationships.
     *
     * @param \Illuminate\Database\Eloquent\Relations\Relation|callable ...$relations
     * @return \Staudenmeir\EloquentHasManyDeep\HasManyDeep
     */
    public function hasManyDeepFromRelations(...$relations)
    {
        return $this->hasManyDeep(...$this->hasOneOrManyDeepFromRelations($relations));
        return $this->/** @scrutinizer ignore-call */ hasManyDeep(...$this->hasOneOrManyDeepFromRelations($relations));
    }

    /**
     * Define a has-one-deep relationship from existing relationships.
     *
     * @param \Illuminate\Database\Eloquent\Relations\Relation|callable ...$relations
     * @return \Staudenmeir\EloquentHasManyDeep\HasOneDeep
     */
    public function hasOneDeepFromRelations(...$relations)
    {
        return $this->hasOneDeep(...$this->hasOneOrManyDeepFromRelations($relations));
        return $this->/** @scrutinizer ignore-call */ hasOneDeep(...$this->hasOneOrManyDeepFromRelations($relations));
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from existing relationships.
     *
     * @param \Illuminate\Database\Eloquent\Relations\Relation[]|callable[] $relations
     * @return array
     */
    protected function hasOneOrManyDeepFromRelations(array $relations)
    {
        $relations = $this->normalizeVariadicRelations($relations);

        foreach ($relations as $i => $relation) {
            if (is_callable($relation)) {
                $relations[$i] = $relation();
            }
        }

        $related = null;
        $through = [];
        $foreignKeys = [];
        $localKeys = [];

        foreach ($relations as $i => $relation) {
            $method = $this->hasOneOrManyDeepRelationMethod($relation);

            [$through, $foreignKeys, $localKeys] = $this->$method($relation, $through, $foreignKeys, $localKeys);

            if ($i === count($relations) - 1) {
                $related = get_class($relation->getRelated());

                if ((new $related())->getTable() !== $relation->getRelated()->getTable()) {
                    $related .= ' from ' . $relation->getRelated()->getTable();
                }
            } else {
                $through[] = $this->hasOneOrManyThroughParent($relation, $relations[$i + 1]);
            }
        }

        return [$related, $through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing belongs-to relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\BelongsTo $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromBelongsTo(BelongsTo $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $foreignKeys[] = $relation->getOwnerKeyName();

        $localKeys[] = $relation->getForeignKeyName();

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing belongs-to-many relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\BelongsToMany $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromBelongsToMany(BelongsToMany $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $through[] = $relation->getTable();

        $foreignKeys[] = $relation->getForeignPivotKeyName();
        $foreignKeys[] = $relation->getRelatedKeyName();

        $localKeys[] = $relation->getParentKeyName();
        $localKeys[] = $relation->getRelatedPivotKeyName();

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing has-one or has-many relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\HasOneOrMany $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromHasOneOrMany(HasOneOrMany $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $foreignKeys[] = $relation->getForeignKeyName();

        $localKeys[] = $relation->getLocalKeyName();

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing has-many-through relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\HasManyThrough $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromHasManyThrough(HasManyThrough $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $through[] = get_class($relation->getParent());

        $foreignKeys[] = $relation->getFirstKeyName();
        $foreignKeys[] = $relation->getForeignKeyName();

        $localKeys[] = $relation->getLocalKeyName();
        $localKeys[] = $relation->getSecondLocalKeyName();

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing has-many-deep relationship.
     *
     * @param \Staudenmeir\EloquentHasManyDeep\HasManyDeep $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromHasManyDeep(HasManyDeep $relation, array $through, array $foreignKeys, array $localKeys)
    {
        foreach ($relation->getThroughParents() as $throughParent) {
            $segments = explode(' as ', $throughParent->getTable());

            $class = get_class($throughParent);

            if (isset($segments[1])) {
                $class .= ' as '.$segments[1];
            } elseif ($throughParent instanceof Pivot) {
                $class = $throughParent->getTable();
            }

            $through[] = $class;
        }

        $foreignKeys = array_merge($foreignKeys, $relation->getForeignKeys());

        $localKeys = array_merge($localKeys, $relation->getLocalKeys());

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing morph-one or morph-many relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\MorphOneOrMany $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromMorphOneOrMany(MorphOneOrMany $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $foreignKeys[] = [$relation->getQualifiedMorphType(), $relation->getForeignKeyName()];

        $localKeys[] = $relation->getLocalKeyName();

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Prepare a has-one-deep or has-many-deep relationship from an existing morph-to-many relationship.
     *
     * @param \Illuminate\Database\Eloquent\Relations\MorphToMany $relation
     * @param \Illuminate\Database\Eloquent\Model[] $through
     * @param array $foreignKeys
     * @param array $localKeys
     * @return array
     */
    protected function hasOneOrManyDeepFromMorphToMany(MorphToMany $relation, array $through, array $foreignKeys, array $localKeys)
    {
        $through[] = $relation->getTable();

        if ($relation->getInverse()) {
            $foreignKeys[] = $relation->getForeignPivotKeyName();
            $foreignKeys[] = $relation->getRelatedKeyName();

            $localKeys[] = $relation->getParentKeyName();
            $localKeys[] = [$relation->getMorphType(), $relation->getRelatedPivotKeyName()];
        } else {
            $foreignKeys[] = [$relation->getMorphType(), $relation->getForeignPivotKeyName()];
            $foreignKeys[] = $relation->getRelatedKeyName();

            $localKeys[] = $relation->getParentKeyName();
            $localKeys[] = $relation->getRelatedPivotKeyName();
        }

        return [$through, $foreignKeys, $localKeys];
    }

    /**
     * Get the relationship method name.
     *
     * @param \Illuminate\Database\Eloquent\Relations\Relation $relation
     * @return string
     */
    protected function hasOneOrManyDeepRelationMethod(Relation $relation)
    {
        $classes = [
            BelongsTo::class,
            HasManyDeep::class,
            HasManyThrough::class,
            MorphOneOrMany::class,
            HasOneOrMany::class,
            MorphToMany::class,
            BelongsToMany::class,
        ];

        foreach ($classes as $class) {
            if ($relation instanceof $class) {
                return 'hasOneOrManyDeepFrom'.class_basename($class);
            }
        }

        throw new RuntimeException('This relationship is not supported.'); // @codeCoverageIgnore
    }

    /**
     * Prepare the through parent class from an existing relationship and its successor.
     *
     * @param \Illuminate\Database\Eloquent\Relations\Relation $relation
     * @param \Illuminate\Database\Eloquent\Relations\Relation $successor
     * @return string
     */
    protected function hasOneOrManyThroughParent(Relation $relation, Relation $successor)
    {
        $through = get_class($relation->getRelated());

        if ((new $through())->getTable() !== $relation->getRelated()->getTable()) {
            $through .= ' from ' . $relation->getRelated()->getTable();
        }

        if (get_class($relation->getRelated()) === get_class($successor->getParent())) {
            $table = $successor->getParent()->getTable();

            $segments = explode(' as ', $table);

            if (isset($segments[1])) {
                $through .= ' as '.$segments[1];
            }
        }

        return $through;
    }

    /**
     * Define a has-many-deep relationship with constraints from existing relationships.
     *
     * @param callable ...$relations
     * @return \Staudenmeir\EloquentHasManyDeep\HasManyDeep
     */
    public function hasManyDeepFromRelationsWithConstraints(...$relations): HasManyDeep
    {
        $hasManyDeep = $this->hasManyDeepFromRelations(...$relations);

        return $this->addConstraintsToHasOneOrManyDeepRelationship($hasManyDeep, $relations);
    }

    /**
     * Define a has-one-deep relationship with constraints from existing relationships.
     *
     * @param callable ...$relations
     * @return \Staudenmeir\EloquentHasManyDeep\HasOneDeep
     */
    public function hasOneDeepFromRelationsWithConstraints(...$relations): HasOneDeep
    {
        $hasOneDeep = $this->hasOneDeepFromRelations(...$relations);

        return $this->addConstraintsToHasOneOrManyDeepRelationship($hasOneDeep, $relations);
    }

    /**
     * Add the constraints from existing relationships to a has-one-deep or has-many-deep relationship.
     *
     * @param \Staudenmeir\EloquentHasManyDeep\HasManyDeep $deepRelation
     * @param callable[] $relations
     * @return \Staudenmeir\EloquentHasManyDeep\HasManyDeep|\Staudenmeir\EloquentHasManyDeep\HasOneDeep
     */
    protected function addConstraintsToHasOneOrManyDeepRelationship(
        HasManyDeep $deepRelation,
        array $relations
    ): HasManyDeep|HasOneDeep {
        $relations = $this->normalizeVariadicRelations($relations);

        foreach ($relations as $i => $relation) {
            $relationWithoutConstraints = Relation::noConstraints(function () use ($relation) {
                return $relation();
            });

            $deepRelation->getQuery()->mergeWheres(
                $relationWithoutConstraints->getQuery()->getQuery()->wheres,
                $relationWithoutConstraints->getQuery()->getQuery()->getRawBindings()['where'] ?? []
            );

            $isLast = $i === count($relations) - 1;

            $this->addRemovedScopesToHasOneOrManyDeepRelationship($deepRelation, $relationWithoutConstraints, $isLast);
        }

        return $deepRelation;
    }

    /**
     * Add the removed scopes from an existing relationship to a has-one-deep or has-many-deep relationship.
     *
     * @param \Staudenmeir\EloquentHasManyDeep\HasManyDeep $deepRelation
     * @param \Illuminate\Database\Eloquent\Relations\Relation $relation
     * @param bool $isLastRelation
     * @return void
     */
    protected function addRemovedScopesToHasOneOrManyDeepRelationship(
        HasManyDeep $deepRelation,
        Relation $relation,
        bool $isLastRelation
    ): void {
        $removedScopes = $relation->getQuery()->removedScopes();

        foreach ($removedScopes as $scope) {
            if ($scope === SoftDeletingScope::class) {
                if ($isLastRelation) {
                    $deepRelation->withTrashed();
                } else {
                    $deletedAtColumn = $relation->getRelated()->getQualifiedDeletedAtColumn();

                    $deepRelation->withTrashed($deletedAtColumn);
                }
            }

            if ($scope === 'SoftDeletableHasManyThrough') {
                $deletedAtColumn = $relation->getParent()->getQualifiedDeletedAtColumn();

                $deepRelation->withTrashed($deletedAtColumn);
            }

            if (str_starts_with($scope, HasManyDeep::class . ':')) {
                $deletedAtColumn = explode(':', $scope)[1];

                $deepRelation->withTrashed($deletedAtColumn);
            }
        }
    }

    /**
     * Normalize the relations from a variadic parameter.
     *
     * @param array $relations
     * @return array
     */
    protected function normalizeVariadicRelations(array $relations): array
    {
        return is_array($relations[0]) && !is_callable($relations[0]) ? $relations[0] : $relations;
    }
}

staudenmeir / eloquent-has-many-deep

Push — master ( c2f1bc...d58289 )

hasOneOrManyDeepFromRelations() A

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