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<?php |
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namespace RafflesArgentina\ResourceController\Traits; |
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use Lang; |
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use Illuminate\Http\Request; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\Relation; |
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use Illuminate\Database\Eloquent\Relations\{HasOne, MorphOne, BelongsTo}; |
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use Illuminate\Database\Eloquent\Relations\{HasMany, MorphMany, MorphToMany, BelongsToMany}; |
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use Illuminate\Database\Eloquent\MassAssignmentException; |
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trait WorksWithRelations |
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{ |
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/** |
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* Update or create relations handling array type request data. |
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* |
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* @param Request $request The Request object. |
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* @param Model $model The eloquent model. |
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* |
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* @return void |
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*/ |
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public function updateOrCreateRelations(Request $request, Model $model) |
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{ |
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$parameterBag = $request->request; |
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foreach ($parameterBag->all() as $name => $attributes) { |
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if (is_array($request->{$name})) { |
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$this->_checkRelationExists($model, $name); |
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$relation = $model->{$name}(); |
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$this->handleRelations($attributes, $model, $relation); |
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} |
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} |
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} |
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/** |
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* Handle relations. |
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* |
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* @param array $fillable The relation fillable. |
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* @param Model $model The eloquent model. |
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* @param Relation $relation The eloquent relation. |
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* |
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* @return void |
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*/ |
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protected function handleRelations(array $fillable, Model $model, Relation $relation) |
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{ |
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switch (true) { |
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case $relation instanceof HasOne || $relation instanceof MorphOne: |
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$this->updateOrCreateHasOne($fillable, $model, $relation); |
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break; |
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case $relation instanceof BelongsTo: |
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$this->updateOrCreateBelongsToOne($fillable, $model, $relation); |
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break; |
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case $relation instanceof HasMany || $relation instanceof MorphMany: |
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$this->updateOrCreateHasMany($fillable, $model, $relation); |
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break; |
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case $relation instanceof BelongsToMany || $relation instanceof MorphToMany: |
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$this->updateOrCreateBelongsToMany($fillable, $model, $relation); |
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break; |
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} |
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} |
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/** |
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* HasOne relation updateOrCreate logic. |
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* |
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* @param array $fillable The relation fillable. |
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* @param Model $model The eloquent model. |
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* @param Relation $relation The eloquent relation. |
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* |
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* @return Model | null |
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*/ |
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protected function updateOrCreateHasOne(array $fillable, Model $model, Relation $relation) |
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{ |
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if (array_key_exists('id', $fillable)) { |
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$id = $fillable['id']; |
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} else { |
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$id = ''; |
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} |
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if (array_except($fillable, ['id'])) { |
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return $relation->updateOrCreate(['id' => $id], $fillable); |
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} |
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return null; |
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} |
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/** |
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* BelongsToOne relation updateOrCreate logic. |
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* |
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* @param array $fillable The relation fillable. |
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* @param Model $model The eloquent model. |
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* @param Relation $relation The eloquent relation. |
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* |
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* @return Model |
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*/ |
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protected function updateOrCreateBelongsToOne(array $fillable, Model $model, Relation $relation) |
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{ |
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$related = $relation->getRelated(); |
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if (array_except($fillable, ['id'])) { |
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if (!$relation->first()) { |
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$record = $relation->associate($related->create($fillable)); |
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$model->save(); |
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} else { |
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$record = $relation->update($fillable); |
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} |
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return $record; |
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} |
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return null; |
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} |
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/** |
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* HasMany relation updateOrCreate logic. |
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* |
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* @param array $fillable The relation fillable. |
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* @param Model $model The eloquent model. |
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* @param Relation $relation The eloquent relation. |
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* |
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* @return array |
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*/ |
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protected function updateOrCreateHasMany(array $fillable, Model $model, Relation $relation) |
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{ |
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$keys = []; |
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$records = []; |
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foreach ($fillable as $fields) { |
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if (array_key_exists('id', $fields)) { |
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$id = $fields['id']; |
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} else { |
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$id = ''; |
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} |
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if (array_except($fields, ['id'])) { |
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$record = $relation->updateOrCreate(['id' => $id], $fields); |
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array_push($keys, $record->id); |
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array_push($records, $record); |
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} |
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} |
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if ($keys && (property_exists($this, 'pruneHasMany') && $this->pruneHasMany !== false)) { |
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$notIn = $relation->getRelated()->whereNotIn('id', $keys)->get(); |
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foreach ($notIn as $record) { |
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$record->delete(); |
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} |
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} |
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return $records; |
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} |
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/** |
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* BelongsToMany relation updateOrCreate logic. |
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* |
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* @param array $fillable The relation fillable. |
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* @param Model $model The eloquent model. |
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* @param Relation $relation The eloquent relation. |
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* |
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* @return array |
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*/ |
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protected function updateOrCreateBelongsToMany(array $fillable, Model $model, Relation $relation) |
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{ |
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$keys = []; |
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$records = []; |
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$related = $relation->getRelated(); |
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foreach ($fillable as $fields) { |
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if (array_key_exists('id', $fields)) { |
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$id = $fields['id']; |
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array_push($keys, $id); |
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} else { |
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$id = ''; |
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} |
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if (array_except($fields, ['id'])) { |
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$record = $related->updateOrCreate(['id' => $id], $fields); |
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array_push($keys, $record->id); |
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array_push($records, $record); |
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} |
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} |
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$relation->sync($keys); |
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return $records; |
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} |
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/** |
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* Throw an exception if array type request data is not named after an existent Eloquent relation. |
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* |
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* @param Model $model The eloquent model. |
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* @param string $relationName The eloquent relation name. |
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* |
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* @throws MassAssignmentException |
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* |
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* @return void |
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*/ |
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private function _checkRelationExists(Model $model, string $relationName) |
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{ |
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if (!method_exists($model, $relationName) || !$model->{$relationName}() instanceof Relation) { |
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if (Lang::has('resource-controller.data2relationinexistent')) { |
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$message = trans('resource-controller.data2relationinexistent', ['relationName' => $relationName]); |
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} else { |
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$message = "Array type request data '{$relationName}' must be named after an existent relation."; |
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} |
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throw new MassAssignmentException($message); |
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} |
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} |
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} |
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rafflesargentina /
l5-resource-controller
