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<?php |
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namespace LaravelFlare\Flare\Traits\ModelAdmin; |
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use LaravelFlare\Flare\Events\ModelSave; |
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use LaravelFlare\Flare\Events\AfterSave; |
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use LaravelFlare\Flare\Events\BeforeSave; |
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use LaravelFlare\Flare\Exceptions\ModelAdminWriteableException as WriteableException; |
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trait ModelSaving |
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{ |
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/** |
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* Used by beforeSave() to ensure child classes call parent::beforeSave(). |
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* |
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* @var bool |
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*/ |
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protected $brokenBeforeSave = false; |
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/** |
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* Used by afterSave() to ensure child classes call parent::afterSave(). |
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* |
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* @var bool |
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*/ |
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protected $brokenAfterSave = false; |
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/** |
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* Relations to Update during Save and |
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* the appropriate method to fire the update with. |
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* |
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* @var array |
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*/ |
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protected $doSaveRelations = ['BelongsTo' => 'associate']; |
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/** |
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* Relations to Update after Save and |
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* the appropriate method to fire the update with. |
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* |
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* @var array |
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*/ |
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protected $afterSaveRelations = ['BelongsToMany' => 'sync']; |
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/** |
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* Method fired before the Save action is undertaken. |
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* |
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* @return |
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*/ |
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protected function beforeSave() |
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{ |
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$this->brokenBeforeSave = false; |
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event(new BeforeSave($this)); |
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} |
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/** |
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* Save Action. |
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* |
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* Fires off beforeSave(), doSave() and afterSave() |
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* |
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* @return |
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*/ |
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public function save() |
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{ |
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$this->brokenBeforeSave = true; |
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$this->beforeSave(); |
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if ($this->brokenBeforeSave) { |
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throw new WriteableException('ModelAdmin has a broken beforeSave method. Make sure you call parent::beforeSave() on all instances of beforeSave()', 1); |
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} |
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$this->doSave(); |
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$this->brokenAfterSave = true; |
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$this->afterSave(); |
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if ($this->brokenAfterSave) { |
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throw new WriteableException('ModelAdmin has a broken afterSave method. Make sure you call parent::afterSave() on all instances of afterSave()', 1); |
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} |
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} |
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/** |
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* The actual Save action, which does all of hte pre-processing |
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* required before we are able to perform the save() function. |
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* |
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* @return |
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*/ |
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private function doSave() |
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{ |
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foreach (\Request::only(array_keys($this->fields)) as $key => $value) { |
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if (!\Schema::hasColumn($this->model->getTable(), $key)) { |
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continue; |
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} |
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if ($this->hasSetMutator($key)) { |
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$this->setAttribute($key, $value); |
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continue; |
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} |
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// Could swap this out for model -> getAttribute, then check if we have an attribute or a relation... getRelationValue() is helpful |
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View Code Duplication |
if (method_exists($this->model, $key) && is_a(call_user_func_array([$this->model, $key], []), 'Illuminate\Database\Eloquent\Relations\Relation')) { |
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$this->saveRelation('doSave', $key, $value); |
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continue; |
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} |
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$this->model->setAttribute($key, $value); |
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} |
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$this->model->save(); |
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event(new ModelSave($this)); |
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} |
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/** |
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* Method fired after the Save action is complete. |
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* |
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* @return |
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*/ |
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protected function afterSave() |
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{ |
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$this->brokenAfterSave = false; |
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foreach (\Request::except('_token') as $key => $value) { |
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// Could swap this out for model -> getAttribute, then check if we have an attribute or a relation... getRelationValue() is helpful |
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View Code Duplication |
if (method_exists($this->model, $key) && is_a(call_user_func_array([$this->model, $key], []), 'Illuminate\Database\Eloquent\Relations\Relation')) { |
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$this->saveRelation('afterSave', $key, $value); |
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} |
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} |
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event(new AfterSave($this)); |
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} |
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/** |
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* Method fired to Save Relations. |
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* |
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* @param string $action The current action (either doSave or afterSave) |
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* @param string $key |
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* @param string $value |
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* |
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* @return |
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*/ |
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private function saveRelation($action, $key, $value) |
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{ |
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// Could swap this out for model -> getAttribute, then check if we have an attribute or a relation... getRelationValue() is helpful |
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if (method_exists($this->model, $key) && is_a(call_user_func_array([$this->model, $key], []), 'Illuminate\Database\Eloquent\Relations\Relation')) { |
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foreach ($this->{$action.'Relations'} as $relationship => $method) { |
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if (is_a(call_user_func_array([$this->model, $key], []), 'Illuminate\Database\Eloquent\Relations\\'.$relationship)) { |
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$this->model->$key()->$method($value); |
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return; |
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} |
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} |
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} |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: