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codezero/laravel-route-key-exists
=================================

Laravel validation rule to check if a custom route key exists.

1.1.0(8y ago)4149MITPHPPHP >=7.0.0

Since Oct 25Pushed 8y ago3 watchersCompare

[ Source](https://github.com/codezero-be/laravel-route-key-exists)[ Packagist](https://packagist.org/packages/codezero/laravel-route-key-exists)[ RSS](/packages/codezero-laravel-route-key-exists/feed)WikiDiscussions master Synced today

READMEChangelog (3)Dependencies (2)Versions (4)Used By (0)

Laravel Route Key Exists
========================

[](#laravel-route-key-exists)

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#### Laravel validation rule to check if a custom route key exists.

[](#laravel-validation-rule-to-check-if-a-custom-route-key-exists)

Laravel's `exists` rule checks a database table for a column with a given value. This validation rule uses the `resolveRouteBinding()` method on a model to check if a given value exists.

Requirements
------------

[](#requirements)

- PHP >= 7.0
- [Laravel](https://laravel.com/) >= 5.5

Installation
------------

[](#installation)

Require the package via Composer:

```
composer require codezero/laravel-route-key-exists

```

Some Background Info
--------------------

[](#some-background-info)

Laravel's [implicit route model binding](https://laravel.com/docs/5.5/routing#route-model-binding) allows you to automatically resolve a model by type hinting it in a controller. Furthermore, you can change the route key that is used to query the database in your model:

```
public function getRouteKeyName()
{
    return 'id';
}
```

This also works when you are using a custom or computed route key in your model:

```
public function getRouteKey()
{
    // "encode" the route key
    return "foo-{$this->id}";
}

public function resolveRouteBinding($value)
{
    // "decode" the route key
    $id = (int) str_replace('foo-', '', $value);

    // resolve from the database
    return $this->where('id', $id)->first();
}
```

But what if you are sending a custom key in a POST request and you want to validate it? Unlike Laravel's [`exists`](https://laravel.com/docs/5.5/validation#rule-exists) rule, this validation rule uses the `resolveRouteBinding()` method to check if the key is valid.

Usage
-----

[](#usage)

Let's say you have a model with an ID of `1`, but `getRouteKey()` returns the encoded value of `1234`.

In your validation rules, pass your model's class name to `\CodeZero\RouteKeyExists\RouteKeyExists`:

```
request()->validate([
    'model_id' => RouteKeyExists::model(Model::class),
]);
```

Here, `model_id` is the encoded value, which will be resolved using the `resolveRouteBinding()` method on your model. If it can't be resolved, validation fails.

Possibly, you will need the actual ID to work with when validation passes. Tack on `replace()` to the rule and `model_id` will be updated to the actual ID:

```
request()->validate([
    'model_id' => RouteKeyExists::model(Model::class)->replace(),
]);

$id = request('model_id'); // actual ID
```

If your form uses a different attribute name than your model or database, you can replace the ID and the attribute name in the process.

```
request()->validate([
    'model' => RouteKeyExists::model(Model::class)->replace('model_id'),
]);

$id = request('model_id'); // actual ID
//$id = request('model'); // null
```

Or maybe you want to keep the encoded ID in the request, but add the actual ID as well. Just tack on `add()` and specify an attribute name:

```
request()->validate([
    'model_id' => RouteKeyExists::model(Model::class)->add('actual_id'),
]);

$id = request('actual_id'); // actual ID
$key = request('model_id'); // route key
```

Beware that attributes that are dynamically added to the request will not be included in the array that is returned from `request()->validate()`. You can access those via `request('attribute_name')`.

Useful Packages
---------------

[](#useful-packages)

- This rule works perfectly with the [`laravel-optimus`](https://github.com/cybercog/laravel-optimus) model trait.

Testing
-------

[](#testing)

```
vendor/bin/phpunit

```

Security
--------

[](#security)

If you discover any security related issues, please [e-mail me](mailto:ivan@codezero.be) instead of using the issue tracker.

Changelog
---------

[](#changelog)

See a list of important changes in the [changelog](https://github.com/codezero-be/laravel-route-key-exists/blob/master/CHANGELOG.md).

License
-------

[](#license)

The MIT License (MIT). Please see [License File](https://github.com/codezero-be/laravel-route-key-exists/blob/master/LICENSE.md) for more information.

###  Health Score

28

—

LowBetter than 54% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity14

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity60

Established project with proven stability

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~6 days

Total

3

Last Release

3106d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/2e17b7a892452367dfb0e5c55bf04844a16bb781f356f50019332d4b9a476ec6?d=identicon)[codezero](/maintainers/codezero)

---

Top Contributors

[![ivanvermeyen](https://avatars.githubusercontent.com/u/3598622?v=4)](https://github.com/ivanvermeyen "ivanvermeyen (7 commits)")

---

Tags

bindingdatabaseexistslaravelmodelrouterulevalidationlaravelmodelkeyrouteidbinding

###  Code Quality

TestsPHPUnit

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```
[![Health](https://phpackages.com/badges/codezero-laravel-route-key-exists/health.svg)](https://phpackages.com/packages/codezero-laravel-route-key-exists)
```

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