patch

src/Console/Commands/ObserverMakeCommand.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace AnourValar\EloquentValidation\Console\Commands;
+
+class ObserverMakeCommand extends \Illuminate\Foundation\Console\ObserverMakeCommand
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'make:observer-validation';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Create a new observer class [eloquent-validation]';
+
+    /**
+     * {@inheritDoc}
+     * @see \Illuminate\Foundation\Console\ModelMakeCommand::getStub()
+     */
+    protected function getStub()
+    {
+        if ($this->option('model')) {
+            return __DIR__.'/../../resources/observer.stub';
+        }
+
+        return parent::getStub();
+    }
+}

src/Features/ManyToManyTrait.php

@@ -20,9 +20,11 @@ protected function onChangedM2M(Model $model, string $column, string $relation,
         $sync = [];
 
         if ($model->exists) {
-            foreach ((array) $model->$column as $value) {
+            foreach ((array) $model->$column as $name => $value) {
                 if (! is_null($key)) {
                     $sync[] = $value[$key];
+                } elseif (is_array($value)) {
+                    $sync[] = $name;
                 } else {
                     $sync[] = $value;
                 }

src/Providers/EloquentValidationServiceProvider.php

@@ -40,6 +40,7 @@ public function boot()
             $this->commands([
                 \AnourValar\EloquentValidation\Console\Commands\ModelMakeCommand::class,
                 \AnourValar\EloquentValidation\Console\Commands\ModelValidateCommand::class,
+                \AnourValar\EloquentValidation\Console\Commands\ObserverMakeCommand::class,
             ]);
         }
     }

src/resources/observer.stub

@@ -0,0 +1,96 @@
+<?php
+
+namespace {{ namespace }};
+
+use {{ namespacedModel }};
+
+class {{ class }}
+{
+    /**
+     * Handle the "saving" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return mixed
+     */
+    public function saving({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "creating" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return mixed
+     */
+    public function creating({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "updating" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return mixed
+     */
+    public function updating({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "created" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return void
+     */
+    public function created({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "updated" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return void
+     */
+    public function updated({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "saved" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return void
+     */
+    public function saved({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "deleting" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return mixed
+     */
+    public function deleting({{ model }} $model)
+    {
+
+    }
+
+    /**
+     * Handle the "deleted" event.
+     *
+     * @param \{{ namespacedModel }} $model
+     * @return void
+     */
+    public function deleted({{ model }} $model)
+    {
+
+    }
+}