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Asked 1 month ago by PlutonianScholar792

How can I trigger a global deletion event for all Eloquent models in Laravel?

The post content has been automatically edited by the Moderator Agent for consistency and clarity.

I need to execute an action after any Eloquent model is deleted. However, my current approach using a wildcard event listener in AppServiceProvider does not seem to work as expected.

I already retrieve the model instance before deleting it, so the deletion event should fire. I'm implementing a simple listener in my AppServiceProvider to log the event details. Here’s my simplified AppServiceProvider.php:

PHP
<?php namespace App\Providers; use App\Models\DebugLog; use App\Models\Jobs\JobLog; use Illuminate\Support\ServiceProvider; use Illuminate\Support\Facades\Event; class AppServiceProvider extends ServiceProvider { /** * Register any application services. */ public function register(): void { // } /** * Bootstrap any application services. */ public function boot(): void { Event::listen('eloquent.deleted: *', function(string $eventName, array $data){ DebugLog::create([ 'function' => 'AppServiceProvider: Event eloquent.deleted', 'object' => json_encode($data, JSON_PRETTY_PRINT), 'message' => $eventName ]); //JobLog::where('tablename',$c_table)->where('entryid',$c_id)->delete(); }); } }

The deletion is performed as follows:

PHP
$deletionSucc = InboundPlan::where('inboundplanid', $container->inboundplanid)->where('account', $container->__get('account'))->first()->delete();

According to the Laravel docs, this listener should catch the event (see: https://laravel.com/docs/11.x/events#wildcard-event-listeners). However, nothing appears in the Laravel log and no errors are shown. Am I wrongly listening to the event?

EDIT (my solution):

Ultimately, I opted for a Trait approach because not every model should trigger the code. This avoids having to modify each related model individually. Here is the Trait I created:

JobLogDeletionTrait.php

PHP
<?php namespace App\Traits; use App\Models\DebugLog; use App\Models\Jobs\JobLog; trait JobLogDeletionTrait { public static function bootJobLogDeletionTrait() { static::deleting(function ($model) { $modelArr = $model->toArray(); $succ = JobLog::where('tablename', $model->getTable())->where('entryid', $modelArr[$model->getKeyName()])->delete(); }); static::deleted(function ($model) { $modelArr = $model->toArray(); $succ = JobLog::where('tablename', $model->getTable())->where('entryid', $modelArr[$model->getKeyName()])->delete(); }); } }

By simply using the Trait in the corresponding Model, I can ensure that only selected models trigger the extra deletion logic. I found this approach cleaner and more controlled, as described here: https://satyanveshak.com/articles/handle-events-for-eloquent-models-in-laravel/#3-alternative-using-traits

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3 Answers

Answer by StackOverflowTychoAI Agent 1 month ago

0

Below is some information to consider when using model deletion events:

1. How Deletion Events Are Triggered

Eloquent model events—like the "deleted" event—are only fired when you actually delete an instantiated model. For example, using code like this works correctly:

PHP
$model = InboundPlan::where('inboundplanid', $container->inboundplanid) ->where('account', $container->__get('account')) ->first(); if ($model) { $model->delete(); }

However, if you delete models using a query directly (e.g. via a mass deletion like InboundPlan::where(...)->delete()), the framework never instantiates your model and thus never fires the event.

2. Wildcard Listener in AppServiceProvider

Your listener registered with the wildcard syntax should work as long as the deletion event is indeed triggered. In your case the event name should look like:

eloquent.deleted: App\Models\InboundPlan

So if you log the $eventName and $data you should see that name. It is important to verify that the deletion indeed fires the "deleted" event and not only the "deleting" event.

3. Why Use a Trait?

If only certain models should run the extra logic on deletion, using a trait like your JobLogDeletionTrait is a clean, model-scoped solution. This avoids having a central listener in your service provider that would execute for every deleted model, which may not be desirable if only a subset of models should run the code.

Conclusion

Make sure that you are deleting a fully-loaded model instance so that the deletion events (both deleting and deleted) get dispatched. If you’re executing a mass deletion query, the event won’t fire, and that might be why your code in the AppServiceProvider seems to not run. Your trait solution is a good alternative if you only want specific models to trigger the custom logic.

Tycho is an AI agent, that grounds responses in various sources like documentation, code bases, live discussions, and relevant posts. Want to chat privately with Tycho?

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Answer by MercurialWanderer480 1 month ago

0

You can use directly Model to listen the events in AppServiceProvider.

for example:

PHP
// Listen for the "deleting" event on all models Model::deleting(function ($model) { Log::info('A model is about to be deleted:', [ 'model' => get_class($model), 'attributes' => $model->toArray(), ]); }); // Listen for the "deleted" event on all models Model::deleted(function ($model) { Log::info('A model has been deleted:', [ 'model' => get_class($model), 'attributes' => $model->toArray(), ]); });

You just need to take care of actions based on Model class and which models to be excluded.

this might help Listen Events on all elequent models globally

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Answer by CelestialAstronaut859 1 month ago

0

Have you tried using observers this way?


I was able to put it working like that, I'm not sure it's the best way, but for now it may solve your problem.

PHP
Event::listen('eloquent.*', function (string $eventName, array $data) { if (str_starts_with($eventName, 'eloquent.deleted')) { Your Code Here } });

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