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added MorphToMany with testcases #2640

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added MorphToMany with testcases #2640

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8eaad01
add MorphToMany
ithuis Oct 12, 2023
acfdb19
requested code cleanup
ithuis Oct 24, 2023
5a55f80
Merge branch '4.1' into morphToMany
ithuis Nov 6, 2023
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147 changes: 141 additions & 6 deletions src/Eloquent/HybridRelations.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
use MongoDB\Laravel\Relations\HasOne;
use MongoDB\Laravel\Relations\MorphMany;
use MongoDB\Laravel\Relations\MorphTo;
use MongoDB\Laravel\Relations\MorphToMany;


use function debug_backtrace;
use function is_subclass_of;
Expand All @@ -41,7 +43,7 @@ trait HybridRelations
public function hasOne($related, $foreignKey = null, $localKey = null)
{
// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
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Our CS requires that there is a space after exclamation mark. I'll revert this changes with phpcbf before merging.

return parent::hasOne($related, $foreignKey, $localKey);
}

Expand Down Expand Up @@ -70,7 +72,7 @@ public function hasOne($related, $foreignKey = null, $localKey = null)
public function morphOne($related, $name, $type = null, $id = null, $localKey = null)
{
// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
return parent::morphOne($related, $name, $type, $id, $localKey);
}

Expand All @@ -97,7 +99,7 @@ public function morphOne($related, $name, $type = null, $id = null, $localKey =
public function hasMany($related, $foreignKey = null, $localKey = null)
{
// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
return parent::hasMany($related, $foreignKey, $localKey);
}

Expand Down Expand Up @@ -126,7 +128,7 @@ public function hasMany($related, $foreignKey = null, $localKey = null)
public function morphMany($related, $name, $type = null, $id = null, $localKey = null)
{
// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
return parent::morphMany($related, $name, $type, $id, $localKey);
}

Expand Down Expand Up @@ -166,7 +168,7 @@ public function belongsTo($related, $foreignKey = null, $ownerKey = null, $relat
}

// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
return parent::belongsTo($related, $foreignKey, $ownerKey, $relation);
}

Expand Down Expand Up @@ -278,7 +280,7 @@ public function belongsToMany(
}

// Check if it is a relation with an original model.
if (! is_subclass_of($related, MongoDBModel::class)) {
if (!is_subclass_of($related, MongoDBModel::class)) {
return parent::belongsToMany(
$related,
$collection,
Expand Down Expand Up @@ -323,6 +325,139 @@ public function belongsToMany(
);
}

/**
* Define a many-to-many relationship.
*
* @param string $related
* @param string $collection
* @param string $foreignKey
* @param string $otherKey
* @param string $parentKey
* @param string $relatedKey
* @param string $relation
* @return \Illuminate\Database\Eloquent\Relations\MorphToMany
*/
public function morphToMany(
$related,
$name,
$table = null,
$foreignPivotKey = null,
$relatedPivotKey = null,
$parentKey = null,
$relatedKey = null,
$relation = null,
$inverse = false
) {

// Check if it is a relation with an original model.
if (!is_subclass_of($related, \Mongodb\Laravel\Eloquent\Model::class)) {
return parent::MorphToMany(
$related,
$name,
$table,
$foreignPivotKey,
$relatedPivotKey,
$parentKey,
$relatedKey,
$inverse,
);
}

$caller = $this->guessBelongsToManyRelation();

$instance = new $related;

$foreignPivotKey = $foreignPivotKey ?: $name . '_id';

$relatedPivotKey = $relatedPivotKey ?: $instance->getForeignKey() . 's';

// Now we're ready to create a new query builder for the related model and
// the relationship instances for this relation. This relation will set
// appropriate query constraints then entirely manage the hydrations.
if (!$table) {
$words = preg_split('/(_)/u', $name, -1, PREG_SPLIT_DELIM_CAPTURE);

$lastWord = array_pop($words);

$table = implode('', $words) . Str::plural($lastWord);
}

return new MorphToMany(
$instance->newQuery(),
$this,
$name,
$table,
$foreignPivotKey,
$relatedPivotKey,
$parentKey ?: $this->getKeyName(),
$relatedKey ?: $instance->getKeyName(),
$caller,
$inverse,
);
}

/**
* Define a polymorphic, inverse many-to-many relationship.
*
* @param string $related
* @param string $name
* @param string|null $table
* @param string|null $foreignPivotKey
* @param string|null $relatedPivotKey
* @param string|null $parentKey
* @param string|null $relatedKey
* @param string|null $relation
* @param bool $inverse
*
* @return \Illuminate\Database\Eloquent\Relations\MorphToMany
*/
public function morphedByMany(
$related,
$name,
$table = null,
$foreignPivotKey = null,
$relatedPivotKey = null,
$parentKey = null,
$relatedKey = null,
$inverse = false
) {
$caller = $this->guessBelongsToManyRelation();

// $instance = new $related;
// For the inverse of the polymorphic many-to-many relations, we will change
// the way we determine the foreign and other keys, as it is the opposite
// of the morph-to-many method since we're figuring out these inverses.
$relatedPivotKey = $relatedPivotKey ?: $name . '_id';

$foreignPivotKey = $foreignPivotKey ?: $this->getForeignKey() . 's';

return $this->morphToMany(
$related,
$name,
$table,
$foreignPivotKey,
$relatedPivotKey,
$parentKey,
$relatedKey,
null,
true,
);
}

/**
* Get the relationship name of the belongs to many.
*
* @return string
*/
protected function guessBelongsToManyRelation()
{
if (method_exists($this, 'getBelongsToManyCaller')) {
return $this->getBelongsToManyCaller();
}

return parent::guessBelongsToManyRelation();
}

/** @inheritdoc */
public function newEloquentBuilder($query)
{
Expand Down
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