HasManyDeep::joinThroughParent() - Code Metrics - Inspection of "Support composite keys" - staudenmeir/eloquent-has-many-deep - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( d58822...10e381 )

by Jonas

created 2022-08-12 23:23 UTC

HasManyDeep::joinThroughParent() B

↳ Parent: HasManyDeep

Complexity

Conditions	8
Paths	24

Size

Total Lines	45
Code Lines	25

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	25
CRAP Score	8

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	8
eloc	25
nc	24
nop	6
dl	0
loc	45
ccs	25
cts	25
cp	1
crap	8
rs	8.4444
c	1
b	0
f	0

<?php

namespace Staudenmeir\EloquentHasManyDeep;

use Exception;
use Illuminate\Contracts\Pagination\Paginator;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasManyThrough;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Query\JoinClause;
use Illuminate\Pagination\CursorPaginator;
use Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey;
use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\HasEagerLimit;
use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\RetrievesIntermediateTables;
use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\SupportsCompositeKeys;

/**
 * @template TRelatedModel of \Illuminate\Database\Eloquent\Model
 * @extends \Illuminate\Database\Eloquent\Relations\Relation<TRelatedModel>
 */
class HasManyDeep extends HasManyThrough
{
    use HasEagerLimit;

    use RetrievesIntermediateTables;
    use SupportsCompositeKeys;


    /**
     * The "through" parent model instances.
     *
     * @var \Illuminate\Database\Eloquent\Model[]
     */
    protected $throughParents;

    /**
     * The foreign keys on the relationship.
     *
     * @var array
     */
    protected $foreignKeys;

    /**
     * The local keys on the relationship.
     *
     * @var array
     */
    protected $localKeys;

    /**
     * Create a new has many deep relationship instance.
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param \Illuminate\Database\Eloquent\Model $farParent
     * @param \Illuminate\Database\Eloquent\Model[] $throughParents
     * @param array $foreignKeys
     * @param array $localKeys
     * @return void
     */
    public function __construct(Builder $query, Model $farParent, array $throughParents, array $foreignKeys, array $localKeys)
    {
        $this->throughParents = $throughParents;
        $this->foreignKeys = $foreignKeys;
        $this->localKeys = $localKeys;

        $firstKey = is_array($foreignKeys[0])
            ? $foreignKeys[0][1]
            : ($this->hasLeadingCompositeKey() ? $foreignKeys[0]->columns[0] : $foreignKeys[0]);

        $localKey = $this->hasLeadingCompositeKey() ? $localKeys[0]->columns[0] : $localKeys[0];

        parent::__construct($query, $farParent, $throughParents[0], $firstKey, $foreignKeys[1], $localKey, $localKeys[1]);
    }

    /**
     * Set the base constraints on the relation query.
     *
     * @return void
     */
    public function addConstraints()
    {
        parent::addConstraints();

        if (static::$constraints) {
            if (is_array($this->foreignKeys[0])) {
                $this->query->where(
                    $this->throughParent->qualifyColumn($this->foreignKeys[0][0]),
                    '=',
                    $this->farParent->getMorphClass()
                );
            } elseif ($this->hasLeadingCompositeKey()) {
                $this->addConstraintsWithCompositeKey();
            }
        }
    }

    /**
     * Set the join clauses on the query.
     *
     * @param \Illuminate\Database\Eloquent\Builder|null $query
     * @return void
     */
    protected function performJoin(Builder $query = null)
    {
        $query = $query ?: $this->query;

        $throughParents = array_reverse($this->throughParents);
        $foreignKeys = array_reverse($this->foreignKeys);
        $localKeys = array_reverse($this->localKeys);

        $segments = explode(' as ', $query->getQuery()->from);

        $alias = $segments[1] ?? null;

        foreach ($throughParents as $i => $throughParent) {
            $predecessor = $throughParents[$i - 1] ?? $this->related;

            $prefix = $i === 0 && $alias ? $alias.'.' : '';

            $this->joinThroughParent($query, $throughParent, $predecessor, $foreignKeys[$i], $localKeys[$i], $prefix);
        }
    }

    /**
     * Join a through parent table.
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param \Illuminate\Database\Eloquent\Model $throughParent
     * @param \Illuminate\Database\Eloquent\Model $predecessor
     * @param \Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey|array|string $foreignKey
     * @param \Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey|array|string $localKey
     * @param string $prefix
     * @return void
     */
    protected function joinThroughParent(Builder $query, Model $throughParent, Model $predecessor, $foreignKey, $localKey, $prefix)
    {
        $joins = [];

        if ($localKey instanceof CompositeKey) {
            foreach ($localKey->columns as $i => $column) {
                $joins[] = [$column, $foreignKey->columns[$i]];
            }
        } else {
            if (is_array($localKey)) {
                $query->where($throughParent->qualifyColumn($localKey[0]), '=', $predecessor->getMorphClass());

                $localKey = $localKey[1];
            }

            if (is_array($foreignKey)) {
                $query->where($predecessor->qualifyColumn($foreignKey[0]), '=', $throughParent->getMorphClass());

                $foreignKey = $foreignKey[1];
            }

            $joins[] = [$localKey, $foreignKey];
        }

        foreach ($joins as $i => [$first, $second]) {
            $joins[$i] = [
                $throughParent->qualifyColumn($first),
                $predecessor->qualifyColumn($prefix.$second),
            ];
        }

        $query->join(
            $throughParent->getTable(),
            function (JoinClause $join) use ($joins) {
                foreach ($joins as [$first, $second]) {
                    $join->on($first, '=', $second);
                }
            }
        );

        if ($this->throughParentInstanceSoftDeletes($throughParent)) {
            $column= $throughParent->getQualifiedDeletedAtColumn();

            $query->withGlobalScope(__CLASS__ . ":$column", function (Builder $query) use ($column) {
                $query->whereNull($column);
            });
        }
    }

    /**
     * Determine whether a "through" parent instance of the relation uses SoftDeletes.
     *
     * @param \Illuminate\Database\Eloquent\Model $instance
     * @return bool
     */
    public function throughParentInstanceSoftDeletes(Model $instance)
    {
        return in_array(SoftDeletes::class, class_uses_recursive($instance));
    }

    /**
     * Set the constraints for an eager load of the relation.
     *
     * @param array $models
     * @return void
     */
    public function addEagerConstraints(array $models)
    {
        if ($this->hasLeadingCompositeKey()) {
            $this->addEagerConstraintsWithCompositeKey($models);
        } else {
            parent::addEagerConstraints($models);

            if (is_array($this->foreignKeys[0])) {
                $this->query->where(
                    $this->throughParent->qualifyColumn($this->foreignKeys[0][0]),
                    '=',
                    $this->farParent->getMorphClass()
                );
            }
        }
    }

    /**
     * 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, $relation)
    {
        if ($this->hasLeadingCompositeKey()) {
            return $this->matchWithCompositeKey($models, $results, $relation);
        }

        return parent::match($models, $results, $relation);
    }

    /**
     * Execute the query as a "select" statement.
     *
     * @param array $columns
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public function get($columns = ['*'])
    {
        $models = parent::get($columns);

        $this->hydrateIntermediateRelations($models->all());

        return $models;
    }

    /**
     * Get a paginator for the "select" statement.
     *
     * @param int $perPage
     * @param array $columns
     * @param string $pageName
     * @param int $page
     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
     */
    public function paginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
    {
        $columns = array_filter(
            $this->shouldSelect($columns),
            fn ($column) => !str_contains($column, ' as laravel_through_key')
        );

        $this->query->addSelect($columns);

        return tap($this->query->paginate($perPage, $columns, $pageName, $page), function (Paginator $paginator) {
            $this->hydrateIntermediateRelations($paginator->items());
        });
    }

    /**
     * Paginate the given query into a simple paginator.
     *
     * @param int $perPage
     * @param array $columns
     * @param string $pageName
     * @param int|null $page
     * @return \Illuminate\Contracts\Pagination\Paginator
     */
    public function simplePaginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
    {
        $columns = array_filter(
            $this->shouldSelect($columns),
            fn ($column) => !str_contains($column, ' as laravel_through_key')
        );

        $this->query->addSelect($columns);

        return tap($this->query->simplePaginate($perPage, $columns, $pageName, $page), function (Paginator $paginator) {
            $this->hydrateIntermediateRelations($paginator->items());
        });
    }

    /**
     * Paginate the given query into a cursor paginator.
     *
     * @param  int|null  $perPage
     * @param  array  $columns
     * @param  string  $cursorName
     * @param  string|null  $cursor
     * @return \Illuminate\Contracts\Pagination\CursorPaginator
     */
    public function cursorPaginate($perPage = null, $columns = ['*'], $cursorName = 'cursor', $cursor = null)
    {
        $columns = array_filter(
            $this->shouldSelect($columns),
            fn ($column) => !str_contains($column, ' as laravel_through_key')
        );

        $this->query->addSelect($columns);

        return tap($this->query->cursorPaginate($perPage, $columns, $cursorName, $cursor), function (CursorPaginator $paginator) {
            $this->hydrateIntermediateRelations($paginator->items());
        });
    }

    /**
     * Set the select clause for the relation query.
     *
     * @param array $columns
     * @return array
     */
    protected function shouldSelect(array $columns = ['*'])
    {
        $columns = parent::shouldSelect($columns);

        if ($this->hasLeadingCompositeKey()) {
            $columns = array_merge(
                $columns,
                $this->shouldSelectWithCompositeKey()
            );
        }

        return array_merge($columns, $this->intermediateColumns());
    }

    /**
     * Chunk the results of the query.
     *
     * @param int $count
     * @param callable $callback
     * @return bool
     */
    public function chunk($count, callable $callback)
    {
        return $this->prepareQueryBuilder()->chunk($count, function (Collection $results) use ($callback) {
            $this->hydrateIntermediateRelations($results->all());

            return $callback($results);
        });
    }

    /**
     * Add the constraints for a relationship query.
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param \Illuminate\Database\Eloquent\Builder $parentQuery
     * @param array|mixed $columns
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
    {
        foreach ($this->throughParents as $throughParent) {
            if ($throughParent->getTable() === $parentQuery->getQuery()->from) {
                if (!in_array(HasTableAlias::class, class_uses_recursive($throughParent))) {
                    $traitClass = HasTableAlias::class;
                    $parentClass = get_class($throughParent);

                    throw new Exception(
                        <<<EOT
This query requires an additional trait. Please add the $traitClass trait to $parentClass.
See https://github.com/staudenmeir/eloquent-has-many-deep/issues/137 for details.
EOT
                    );
                }

                $table = $throughParent->getTable() . ' as ' . $this->getRelationCountHash();

                $throughParent->setTable($table);

                break;
            }
        }

        $query = parent::getRelationExistenceQuery($query, $parentQuery, $columns);

        if (is_array($this->foreignKeys[0])) {
            $column = $this->throughParent->qualifyColumn($this->foreignKeys[0][0]);

            $query->where($column, '=', $this->farParent->getMorphClass());
        } elseif ($this->hasLeadingCompositeKey()) {
            $this->getRelationExistenceQueryWithCompositeKey($query);
        }

        return $query;
    }

    /**
     * Add the constraints for a relationship query on the same table.
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @param \Illuminate\Database\Eloquent\Builder $parentQuery
     * @param array|mixed $columns
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function getRelationExistenceQueryForSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
    {
        $hash = $this->getRelationCountHash();

        $query->from($query->getModel()->getTable().' as '.$hash);

        $this->performJoin($query);

        $query->getModel()->setTable($hash);

        return $query->select($columns)->whereColumn(

            $parentQuery->getQuery()->from.'.'.$this->localKey,
            '=',
            $this->getQualifiedFirstKeyName()
        );
    }

    /**
     * Restore soft-deleted models.
     *
     * @param array|string ...$columns
     * @return $this
     */
    public function withTrashed(...$columns)
    {
        if (empty($columns)) {
            $this->query->withTrashed();

            return $this;
        }

        if (is_array($columns[0])) {
            $columns = $columns[0];
        }

        foreach ($columns as $column) {
            $this->query->withoutGlobalScope(__CLASS__ . ":$column");
        }

        return $this;
    }

    /**
     * Get the far parent model instance.
     *
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function getFarParent(): Model
    {
        return $this->farParent;
    }

    /**
     * Get the "through" parent model instances.
     *
     * @return \Illuminate\Database\Eloquent\Model[]
     */
    public function getThroughParents()
    {
        return $this->throughParents;
    }

    /**
     * Get the foreign keys on the relationship.
     *
     * @return array
     */
    public function getForeignKeys()
    {
        return $this->foreignKeys;
    }

    /**
     * Get the local keys on the relationship.
     *
     * @return array
     */
    public function getLocalKeys()
    {
        return $this->localKeys;
    }
}


1		<?php
2
3		namespace Staudenmeir\EloquentHasManyDeep;
4
5		use Exception;
6		use Illuminate\Contracts\Pagination\Paginator;
7		use Illuminate\Database\Eloquent\Builder;
8		use Illuminate\Database\Eloquent\Collection;
9		use Illuminate\Database\Eloquent\Model;
10		use Illuminate\Database\Eloquent\Relations\HasManyThrough;
11		use Illuminate\Database\Eloquent\SoftDeletes;
12		use Illuminate\Database\Query\JoinClause;
13		use Illuminate\Pagination\CursorPaginator;
14		use Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey;
15		use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\HasEagerLimit;
16		use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\RetrievesIntermediateTables;
17		use Staudenmeir\EloquentHasManyDeep\Eloquent\Relations\Traits\SupportsCompositeKeys;
18
19		/**
20		* @template TRelatedModel of \Illuminate\Database\Eloquent\Model
21		* @extends \Illuminate\Database\Eloquent\Relations\Relation<TRelatedModel>
22		*/
23		class HasManyDeep extends HasManyThrough
24		{
25		use HasEagerLimit;
		0 ignored issues – show Bug introduced 2022-08-12 23:35 UTC by Report Bug Copy Issue Report The trait `Staudenmeir\EloquentHasM...ns\Traits\HasEagerLimit` requires the property `$exists` which is not provided by `Staudenmeir\EloquentHasManyDeep\HasManyDeep`. Loading history...
26		use RetrievesIntermediateTables;
27		use SupportsCompositeKeys;
		0 ignored issues – show Bug introduced 2022-08-12 23:35 UTC by Report Bug Copy Issue Report The trait `Staudenmeir\EloquentHasM...s\SupportsCompositeKeys` requires the property `$columns` which is not provided by `Staudenmeir\EloquentHasManyDeep\HasManyDeep`. Loading history...
28
29		/**
30		* The "through" parent model instances.
31		*
32		* @var \Illuminate\Database\Eloquent\Model[]
33		*/
34		protected $throughParents;
35
36		/**
37		* The foreign keys on the relationship.
38		*
39		* @var array
40		*/
41		protected $foreignKeys;
42
43		/**
44		* The local keys on the relationship.
45		*
46		* @var array
47		*/
48		protected $localKeys;
49
50		/**
51		* Create a new has many deep relationship instance.
52		*
53		* @param \Illuminate\Database\Eloquent\Builder $query
54		* @param \Illuminate\Database\Eloquent\Model $farParent
55		* @param \Illuminate\Database\Eloquent\Model[] $throughParents
56		* @param array $foreignKeys
57		* @param array $localKeys
58		* @return void
59		*/
60	73	public function __construct(Builder $query, Model $farParent, array $throughParents, array $foreignKeys, array $localKeys)
61		{
62	73	$this->throughParents = $throughParents;
63	73	$this->foreignKeys = $foreignKeys;
64	73	$this->localKeys = $localKeys;
65
66	73	$firstKey = is_array($foreignKeys[0])
67	5	? $foreignKeys[0][1]
68	68	: ($this->hasLeadingCompositeKey() ? $foreignKeys[0]->columns[0] : $foreignKeys[0]);
69
70	73	$localKey = $this->hasLeadingCompositeKey() ? $localKeys[0]->columns[0] : $localKeys[0];
71
72	73	parent::__construct($query, $farParent, $throughParents[0], $firstKey, $foreignKeys[1], $localKey, $localKeys[1]);
73		}
74
75		/**
76		* Set the base constraints on the relation query.
77		*
78		* @return void
79		*/
80	73	public function addConstraints()
81		{
82	73	parent::addConstraints();
83
84	73	if (static::$constraints) {
85	49	if (is_array($this->foreignKeys[0])) {
86	2	$this->query->where(
87	2	$this->throughParent->qualifyColumn($this->foreignKeys[0][0]),
88		'=',
89	2	$this->farParent->getMorphClass()
90		);
91	47	} elseif ($this->hasLeadingCompositeKey()) {
92	5	$this->addConstraintsWithCompositeKey();
93		}
94		}
95		}
96
97		/**
98		* Set the join clauses on the query.
99		*
100		* @param \Illuminate\Database\Eloquent\Builder\|null $query
101		* @return void
102		*/
103	73	protected function performJoin(Builder $query = null)
104		{
105	73	$query = $query ?: $this->query;
106
107	73	$throughParents = array_reverse($this->throughParents);
108	73	$foreignKeys = array_reverse($this->foreignKeys);
109	73	$localKeys = array_reverse($this->localKeys);
110
111	73	$segments = explode(' as ', $query->getQuery()->from);
112
113	73	$alias = $segments[1] ?? null;
114
115	73	foreach ($throughParents as $i => $throughParent) {
116	73	$predecessor = $throughParents[$i - 1] ?? $this->related;
117
118	73	$prefix = $i === 0 && $alias ? $alias.'.' : '';
119
120	73	$this->joinThroughParent($query, $throughParent, $predecessor, $foreignKeys[$i], $localKeys[$i], $prefix);
121		}
122		}
123
124		/**
125		* Join a through parent table.
126		*
127		* @param \Illuminate\Database\Eloquent\Builder $query
128		* @param \Illuminate\Database\Eloquent\Model $throughParent
129		* @param \Illuminate\Database\Eloquent\Model $predecessor
130		* @param \Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey\|array\|string $foreignKey
131		* @param \Staudenmeir\EloquentHasManyDeep\Eloquent\CompositeKey\|array\|string $localKey
132		* @param string $prefix
133		* @return void
134		*/
135	73	protected function joinThroughParent(Builder $query, Model $throughParent, Model $predecessor, $foreignKey, $localKey, $prefix)
136		{
137	73	$joins = [];
138
139	73	if ($localKey instanceof CompositeKey) {
140	5	foreach ($localKey->columns as $i => $column) {
141	5	$joins[] = [$column, $foreignKey->columns[$i]];
142		}
143		} else {
144	68	if (is_array($localKey)) {
145	5	$query->where($throughParent->qualifyColumn($localKey[0]), '=', $predecessor->getMorphClass());
146
147	5	$localKey = $localKey[1];
148		}
149
150	68	if (is_array($foreignKey)) {
151	5	$query->where($predecessor->qualifyColumn($foreignKey[0]), '=', $throughParent->getMorphClass());
152
153	5	$foreignKey = $foreignKey[1];
154		}
155
156	68	$joins[] = [$localKey, $foreignKey];
157		}
158
159	73	foreach ($joins as $i => [$first, $second]) {
160	73	$joins[$i] = [
161	73	$throughParent->qualifyColumn($first),
162	73	$predecessor->qualifyColumn($prefix.$second),
163		];
164		}
165
166	73	$query->join(
167	73	$throughParent->getTable(),
168	73	function (JoinClause $join) use ($joins) {
169	73	foreach ($joins as [$first, $second]) {
170	73	$join->on($first, '=', $second);
171		}
172		}
173		);
174
175	73	if ($this->throughParentInstanceSoftDeletes($throughParent)) {
176	41	$column= $throughParent->getQualifiedDeletedAtColumn();
177
178	41	$query->withGlobalScope(__CLASS__ . ":$column", function (Builder $query) use ($column) {
179	35	$query->whereNull($column);
180		});
181		}
182		}
183
184		/**
185		* Determine whether a "through" parent instance of the relation uses SoftDeletes.
186		*
187		* @param \Illuminate\Database\Eloquent\Model $instance
188		* @return bool
189		*/
190	73	public function throughParentInstanceSoftDeletes(Model $instance)
191		{
192	73	return in_array(SoftDeletes::class, class_uses_recursive($instance));
193		}
194
195		/**
196		* Set the constraints for an eager load of the relation.
197		*
198		* @param array $models
199		* @return void
200		*/
201	13	public function addEagerConstraints(array $models)
202		{
203	13	if ($this->hasLeadingCompositeKey()) {
204	2	$this->addEagerConstraintsWithCompositeKey($models);
205		} else {
206	11	parent::addEagerConstraints($models);
207
208	11	if (is_array($this->foreignKeys[0])) {
209	1	$this->query->where(
210	1	$this->throughParent->qualifyColumn($this->foreignKeys[0][0]),
211		'=',
212	1	$this->farParent->getMorphClass()
213		);
214		}
215		}
216		}
217
218		/**
219		* Match the eagerly loaded results to their parents.
220		*
221		* @param array $models
222		* @param \Illuminate\Database\Eloquent\Collection $results
223		* @param string $relation
224		* @return array
225		*/
226	11	public function match(array $models, Collection $results, $relation)
227		{
228	11	if ($this->hasLeadingCompositeKey()) {
229	2	return $this->matchWithCompositeKey($models, $results, $relation);
230		}
231
232	9	return parent::match($models, $results, $relation);
233		}
234
235		/**
236		* Execute the query as a "select" statement.
237		*
238		* @param array $columns
239		* @return \Illuminate\Database\Eloquent\Collection
240		*/
241	55	public function get($columns = ['*'])
242		{
243	55	$models = parent::get($columns);
244
245	55	$this->hydrateIntermediateRelations($models->all());
246
247	55	return $models;
248		}
249
250		/**
251		* Get a paginator for the "select" statement.
252		*
253		* @param int $perPage
254		* @param array $columns
255		* @param string $pageName
256		* @param int $page
257		* @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
258		*/
259	2	public function paginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
260		{
261	2	$columns = array_filter(
262	2	$this->shouldSelect($columns),
263	2	fn ($column) => !str_contains($column, ' as laravel_through_key')
264		);
265
266	2	$this->query->addSelect($columns);
267
268	2	return tap($this->query->paginate($perPage, $columns, $pageName, $page), function (Paginator $paginator) {
269	2	$this->hydrateIntermediateRelations($paginator->items());
270		});
271		}
272
273		/**
274		* Paginate the given query into a simple paginator.
275		*
276		* @param int $perPage
277		* @param array $columns
278		* @param string $pageName
279		* @param int\|null $page
280		* @return \Illuminate\Contracts\Pagination\Paginator
281		*/
282	2	public function simplePaginate($perPage = null, $columns = ['*'], $pageName = 'page', $page = null)
283		{
284	2	$columns = array_filter(
285	2	$this->shouldSelect($columns),
286	2	fn ($column) => !str_contains($column, ' as laravel_through_key')
287		);
288
289	2	$this->query->addSelect($columns);
290
291	2	return tap($this->query->simplePaginate($perPage, $columns, $pageName, $page), function (Paginator $paginator) {
292	2	$this->hydrateIntermediateRelations($paginator->items());
293		});
294		}
295
296		/**
297		* Paginate the given query into a cursor paginator.
298		*
299		* @param int\|null $perPage
300		* @param array $columns
301		* @param string $cursorName
302		* @param string\|null $cursor
303		* @return \Illuminate\Contracts\Pagination\CursorPaginator
304		*/
305	2	public function cursorPaginate($perPage = null, $columns = ['*'], $cursorName = 'cursor', $cursor = null)
306		{
307	2	$columns = array_filter(
308	2	$this->shouldSelect($columns),
309	2	fn ($column) => !str_contains($column, ' as laravel_through_key')
310		);
311
312	2	$this->query->addSelect($columns);
313
314	2	return tap($this->query->cursorPaginate($perPage, $columns, $cursorName, $cursor), function (CursorPaginator $paginator) {
315	2	$this->hydrateIntermediateRelations($paginator->items());
316		});
317		}
318
319		/**
320		* Set the select clause for the relation query.
321		*
322		* @param array $columns
323		* @return array
324		*/
325	62	protected function shouldSelect(array $columns = ['*'])
326		{
327	62	$columns = parent::shouldSelect($columns);
328
329	62	if ($this->hasLeadingCompositeKey()) {
330	7	$columns = array_merge(
331		$columns,
332	7	$this->shouldSelectWithCompositeKey()
333		);
334		}
335
336	62	return array_merge($columns, $this->intermediateColumns());
337		}
338
339		/**
340		* Chunk the results of the query.
341		*
342		* @param int $count
343		* @param callable $callback
344		* @return bool
345		*/
346	1	public function chunk($count, callable $callback)
347		{
348	1	return $this->prepareQueryBuilder()->chunk($count, function (Collection $results) use ($callback) {
349	1	$this->hydrateIntermediateRelations($results->all());
350
351	1	return $callback($results);
352		});
353		}
354
355		/**
356		* Add the constraints for a relationship query.
357		*
358		* @param \Illuminate\Database\Eloquent\Builder $query
359		* @param \Illuminate\Database\Eloquent\Builder $parentQuery
360		* @param array\|mixed $columns
361		* @return \Illuminate\Database\Eloquent\Builder
362		*/
363	11	public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
364		{
365	11	foreach ($this->throughParents as $throughParent) {
366	11	if ($throughParent->getTable() === $parentQuery->getQuery()->from) {
367	2	if (!in_array(HasTableAlias::class, class_uses_recursive($throughParent))) {
368	1	$traitClass = HasTableAlias::class;
369	1	$parentClass = get_class($throughParent);
370
371	1	throw new Exception(
372		<<<EOT
373		This query requires an additional trait. Please add the $traitClass trait to $parentClass.
374		See https://github.com/staudenmeir/eloquent-has-many-deep/issues/137 for details.
375		EOT
376		);
377		}
378
379	1	$table = $throughParent->getTable() . ' as ' . $this->getRelationCountHash();
380
381	1	$throughParent->setTable($table);
382
383	1	break;
384		}
385		}
386
387	10	$query = parent::getRelationExistenceQuery($query, $parentQuery, $columns);
388
389	10	if (is_array($this->foreignKeys[0])) {
390	2	$column = $this->throughParent->qualifyColumn($this->foreignKeys[0][0]);
391
392	2	$query->where($column, '=', $this->farParent->getMorphClass());
393	8	} elseif ($this->hasLeadingCompositeKey()) {
394	1	$this->getRelationExistenceQueryWithCompositeKey($query);
395		}
396
397	10	return $query;
398		}
399
400		/**
401		* Add the constraints for a relationship query on the same table.
402		*
403		* @param \Illuminate\Database\Eloquent\Builder $query
404		* @param \Illuminate\Database\Eloquent\Builder $parentQuery
405		* @param array\|mixed $columns
406		* @return \Illuminate\Database\Eloquent\Builder
407		*/
408	2	public function getRelationExistenceQueryForSelfRelation(Builder $query, Builder $parentQuery, $columns = ['*'])
409		{
410	2	$hash = $this->getRelationCountHash();
411
412	2	$query->from($query->getModel()->getTable().' as '.$hash);
413
414	2	$this->performJoin($query);
415
416	2	$query->getModel()->setTable($hash);
417
418	2	return $query->select($columns)->whereColumn(
		0 ignored issues – show Bug Best Practice introduced 2021-08-21 10:13 UTC by Report Bug Copy Issue Report The expression `return $query->select($c...ualifiedFirstKeyName())` also could return the type `Illuminate\Database\Query\Builder` which is incompatible with the documented return type `Illuminate\Database\Eloquent\Builder`. Loading history...
419	2	$parentQuery->getQuery()->from.'.'.$this->localKey,
420		'=',
421	2	$this->getQualifiedFirstKeyName()
422		);
423		}
424
425		/**
426		* Restore soft-deleted models.
427		*
428		* @param array\|string ...$columns
429		* @return $this
430		*/
431	7	public function withTrashed(...$columns)
432		{
433	7	if (empty($columns)) {
434	2	$this->query->withTrashed();
435
436	2	return $this;
437		}
438
439	5	if (is_array($columns[0])) {
440	1	$columns = $columns[0];
441		}
442
443	5	foreach ($columns as $column) {
444	5	$this->query->withoutGlobalScope(__CLASS__ . ":$column");
445		}
446
447	5	return $this;
448		}
449
450		/**
451		* Get the far parent model instance.
452		*
453		* @return \Illuminate\Database\Eloquent\Model
454		*/
455	5	public function getFarParent(): Model
456		{
457	5	return $this->farParent;
458		}
459
460		/**
461		* Get the "through" parent model instances.
462		*
463		* @return \Illuminate\Database\Eloquent\Model[]
464		*/
465	8	public function getThroughParents()
466		{
467	8	return $this->throughParents;
468		}
469
470		/**
471		* Get the foreign keys on the relationship.
472		*
473		* @return array
474		*/
475	8	public function getForeignKeys()
476		{
477	8	return $this->foreignKeys;
478		}
479
480		/**
481		* Get the local keys on the relationship.
482		*
483		* @return array
484		*/
485	8	public function getLocalKeys()
486		{
487	8	return $this->localKeys;
488		}
489		}
490

staudenmeir / eloquent-has-many-deep

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HasManyDeep::joinThroughParent() B

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