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Directory >> /home/whitjouh/public_html/core/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/

File / Folder	Size	Action
.	-
Concerns	--	ren
BelongsTo.php	10.914KB	edt ren
BelongsToMany.php	41.878KB	edt ren
HasMany.php	1.509KB	edt ren
HasManyThrough.php	24.239KB	edt ren
HasOne.php	4.045KB	edt ren
HasOneOrMany.php	14.606KB	edt ren
HasOneThrough.php	2.201KB	edt ren
MorphMany.php	2.306KB	edt ren
MorphOne.php	4.168KB	edt ren
MorphOneOrMany.php	3.497KB	edt ren
MorphPivot.php	4.436KB	edt ren
MorphTo.php	12.095KB	edt ren
MorphToMany.php	5.747KB	edt ren
Pivot.php	0.457KB	edt ren
Relation.php	13.296KB	edt ren

<?php

namespace Illuminate\Database\Eloquent\Relations;

use BadMethodCallException;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Concerns\InteractsWithDictionary;

class MorphTo extends BelongsTo
{
    use InteractsWithDictionary;

/**
     * The type of the polymorphic relation.
     *
     * @var string
     */
    protected $morphType;

/**
     * The models whose relations are being eager loaded.
     *
     * @var \Illuminate\Database\Eloquent\Collection
     */
    protected $models;

/**
     * All of the models keyed by ID.
     *
     * @var array
     */
    protected $dictionary = [];

/**
     * A buffer of dynamic calls to query macros.
     *
     * @var array
     */
    protected $macroBuffer = [];

/**
     * A map of relations to load for each individual morph type.
     *
     * @var array
     */
    protected $morphableEagerLoads = [];

/**
     * A map of relationship counts to load for each individual morph type.
     *
     * @var array
     */
    protected $morphableEagerLoadCounts = [];

/**
     * A map of constraints to apply for each individual morph type.
     *
     * @var array
     */
    protected $morphableConstraints = [];

/**
     * Create a new morph to relationship instance.
     *
     * @param  \Illuminate\Database\Eloquent\Builder  $query
     * @param  \Illuminate\Database\Eloquent\Model  $parent
     * @param  string  $foreignKey
     * @param  string  $ownerKey
     * @param  string  $type
     * @param  string  $relation
     * @return void
     */
    public function __construct(Builder $query, Model $parent, $foreignKey, $ownerKey, $type, $relation)
    {
        $this->morphType = $type;

parent::__construct($query, $parent, $foreignKey, $ownerKey, $relation);
    }

/**
     * Set the constraints for an eager load of the relation.
     *
     * @param  array  $models
     * @return void
     */
    public function addEagerConstraints(array $models)
    {
        $this->buildDictionary($this->models = Collection::make($models));
    }

/**
     * Build a dictionary with the models.
     *
     * @param  \Illuminate\Database\Eloquent\Collection  $models
     * @return void
     */
    protected function buildDictionary(Collection $models)
    {
        foreach ($models as $model) {
            if ($model->{$this->morphType}) {
                $morphTypeKey = $this->getDictionaryKey($model->{$this->morphType});
                $foreignKeyKey = $this->getDictionaryKey($model->{$this->foreignKey});

$this->dictionary[$morphTypeKey][$foreignKeyKey][] = $model;
            }
        }
    }

/**
     * Get the results of the relationship.
     *
     * Called via eager load method of Eloquent query builder.
     *
     * @return mixed
     */
    public function getEager()
    {
        foreach (array_keys($this->dictionary) as $type) {
            $this->matchToMorphParents($type, $this->getResultsByType($type));
        }

return $this->models;
    }

/**
     * Get all of the relation results for a type.
     *
     * @param  string  $type
     * @return \Illuminate\Database\Eloquent\Collection
     */
    protected function getResultsByType($type)
    {
        $instance = $this->createModelByType($type);

$ownerKey = $this->ownerKey ?? $instance->getKeyName();

$query = $this->replayMacros($instance->newQuery())
                            ->mergeConstraintsFrom($this->getQuery())
                            ->with(array_merge(
                                $this->getQuery()->getEagerLoads(),
                                (array) ($this->morphableEagerLoads[get_class($instance)] ?? [])
                            ))
                            ->withCount(
                                (array) ($this->morphableEagerLoadCounts[get_class($instance)] ?? [])
                            );

if ($callback = ($this->morphableConstraints[get_class($instance)] ?? null)) {
            $callback($query);
        }

$whereIn = $this->whereInMethod($instance, $ownerKey);

return $query->{$whereIn}(
            $instance->getTable().'.'.$ownerKey, $this->gatherKeysByType($type, $instance->getKeyType())
        )->get();
    }

/**
     * Gather all of the foreign keys for a given type.
     *
     * @param  string  $type
     * @param  string  $keyType
     * @return array
     */
    protected function gatherKeysByType($type, $keyType)
    {
        return $keyType !== 'string'
                    ? array_keys($this->dictionary[$type])
                    : array_map(function ($modelId) {
                        return (string) $modelId;
                    }, array_filter(array_keys($this->dictionary[$type])));
    }

/**
     * Create a new model instance by type.
     *
     * @param  string  $type
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function createModelByType($type)
    {
        $class = Model::getActualClassNameForMorph($type);

return tap(new $class, function ($instance) {
            if (! $instance->getConnectionName()) {
                $instance->setConnection($this->getConnection()->getName());
            }
        });
    }

/**
     * Match the eagerly loaded results to their parents.
     *
     * @param  array  $models
     * @param  \Illuminate\Database\Eloquent\Collection  $results
     * @param  string  $relation
     * @return array
     */
    public function match(array $models, Collection $results, $relation)
    {
        return $models;
    }

/**
     * Match the results for a given type to their parents.
     *
     * @param  string  $type
     * @param  \Illuminate\Database\Eloquent\Collection  $results
     * @return void
     */
    protected function matchToMorphParents($type, Collection $results)
    {
        foreach ($results as $result) {
            $ownerKey = ! is_null($this->ownerKey) ? $this->getDictionaryKey($result->{$this->ownerKey}) : $result->getKey();

if (isset($this->dictionary[$type][$ownerKey])) {
                foreach ($this->dictionary[$type][$ownerKey] as $model) {
                    $model->setRelation($this->relationName, $result);
                }
            }
        }
    }

/**
     * Associate the model instance to the given parent.
     *
     * @param  \Illuminate\Database\Eloquent\Model|null  $model
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function associate($model)
    {
        if ($model instanceof Model) {
            $foreignKey = $this->ownerKey && $model->{$this->ownerKey}
                            ? $this->ownerKey
                            : $model->getKeyName();
        }

$this->parent->setAttribute(
            $this->foreignKey, $model instanceof Model ? $model->{$foreignKey} : null
        );

$this->parent->setAttribute(
            $this->morphType, $model instanceof Model ? $model->getMorphClass() : null
        );

return $this->parent->setRelation($this->relationName, $model);
    }

/**
     * Dissociate previously associated model from the given parent.
     *
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function dissociate()
    {
        $this->parent->setAttribute($this->foreignKey, null);

$this->parent->setAttribute($this->morphType, null);

return $this->parent->setRelation($this->relationName, null);
    }

/**
     * Touch all of the related models for the relationship.
     *
     * @return void
     */
    public function touch()
    {
        if (! is_null($this->child->{$this->foreignKey})) {
            parent::touch();
        }
    }

/**
     * Make a new related instance for the given model.
     *
     * @param  \Illuminate\Database\Eloquent\Model  $parent
     * @return \Illuminate\Database\Eloquent\Model
     */
    protected function newRelatedInstanceFor(Model $parent)
    {
        return $parent->{$this->getRelationName()}()->getRelated()->newInstance();
    }

/**
     * Get the foreign key "type" name.
     *
     * @return string
     */
    public function getMorphType()
    {
        return $this->morphType;
    }

/**
     * Get the dictionary used by the relationship.
     *
     * @return array
     */
    public function getDictionary()
    {
        return $this->dictionary;
    }

/**
     * Specify which relations to load for a given morph type.
     *
     * @param  array  $with
     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
     */
    public function morphWith(array $with)
    {
        $this->morphableEagerLoads = array_merge(
            $this->morphableEagerLoads, $with
        );

return $this;
    }

/**
     * Specify which relationship counts to load for a given morph type.
     *
     * @param  array  $withCount
     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
     */
    public function morphWithCount(array $withCount)
    {
        $this->morphableEagerLoadCounts = array_merge(
            $this->morphableEagerLoadCounts, $withCount
        );

return $this;
    }

/**
     * Specify constraints on the query for a given morph type.
     *
     * @param  array  $callbacks
     * @return \Illuminate\Database\Eloquent\Relations\MorphTo
     */
    public function constrain(array $callbacks)
    {
        $this->morphableConstraints = array_merge(
            $this->morphableConstraints, $callbacks
        );

return $this;
    }

/**
     * Indicate that soft deleted models should be included in the results.
     *
     * @return $this
     */
    public function withTrashed()
    {
        $callback = fn ($query) => $query->hasMacro('withTrashed') ? $query->withTrashed() : $query;

$this->macroBuffer[] = [
            'method' => 'when',
            'parameters' => [true, $callback],
        ];

return $this->when(true, $callback);
    }

/**
     * Indicate that soft deleted models should not be included in the results.
     *
     * @return $this
     */
    public function withoutTrashed()
    {
        $callback = fn ($query) => $query->hasMacro('withoutTrashed') ? $query->withoutTrashed() : $query;

$this->macroBuffer[] = [
            'method' => 'when',
            'parameters' => [true, $callback],
        ];

return $this->when(true, $callback);
    }

/**
     * Indicate that only soft deleted models should be included in the results.
     *
     * @return $this
     */
    public function onlyTrashed()
    {
        $callback = fn ($query) => $query->hasMacro('onlyTrashed') ? $query->onlyTrashed() : $query;

$this->macroBuffer[] = [
            'method' => 'when',
            'parameters' => [true, $callback],
        ];

return $this->when(true, $callback);
    }

/**
     * Replay stored macro calls on the actual related instance.
     *
     * @param  \Illuminate\Database\Eloquent\Builder  $query
     * @return \Illuminate\Database\Eloquent\Builder
     */
    protected function replayMacros(Builder $query)
    {
        foreach ($this->macroBuffer as $macro) {
            $query->{$macro['method']}(...$macro['parameters']);
        }

return $query;
    }

/**
     * Handle dynamic method calls to the relationship.
     *
     * @param  string  $method
     * @param  array  $parameters
     * @return mixed
     */
    public function __call($method, $parameters)
    {
        try {
            $result = parent::__call($method, $parameters);

if (in_array($method, ['select', 'selectRaw', 'selectSub', 'addSelect', 'withoutGlobalScopes'])) {
                $this->macroBuffer[] = compact('method', 'parameters');
            }

return $result;
        }

// If we tried to call a method that does not exist on the parent Builder instance,
        // we'll assume that we want to call a query macro (e.g. withTrashed) that only
        // exists on related models. We will just store the call and replay it later.
        catch (BadMethodCallException) {
            $this->macroBuffer[] = compact('method', 'parameters');

return $this;
        }
    }
}

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