Strongly Typed Laravel Settings

Install

composer require bogdankharchenko/typed-laravel-settings

Model Setup

namespace App\Models\User;

use Illuminate\Database\Eloquent\Model;
use BogdanKharchenko\Settings\Models\HasSettings;

class User extends Model
{
    use HasSettings;    
}

Creating a Setting Class

This class represents a group of available settings for a given model. Public properties and their values will automatically be serialized into a json column, and serve as defaults.

use BogdanKharchenko\Settings\BaseSettings;

class UserSettings extends BaseSettings
{
    public string $favoriteColor = 'red';
}

Set Settings

Changing the values will persist them into the database. When updating settings, cache will automatically be flushed.

$user = User::first();

$user->setSettings(function(UserSettings $settings){
    $settings->favoriteColor = 'blue';
});

// Updating Multiple Settings

$user->setSettings(function(UserSettings $settings, EmailPreferences $emailPreferences){
    $settings->favoriteColor = 'blue';

    $emailPreferences->marketing = false;
});

// Using the `setSettings()` Closure is a wrapper around the code example below.
$settings = new UserSettings($user);

$settings->favoriteColor = 'pink';

$settings->saveSettings();

Get Settings

Creating a helper function on your allows us to access strongly typed settings. When a setting is retrieved from the database, it will overwrite the default setting on the class.

class User extends Model 
{
    public function config(): UserSettings
    {
        return new UserSettings($this);      
    }
}

$user->config()->favoriteColor // returns blue

// Alternatively you can use docblocks to assist in typing

/** @var UserSettings $settings */
$settings = $user->getSettings(UserSettings::class);

$settings->favoriteColor // returns blue

Setting Value Encryption

You may decide to encrypt/decrypt sensitive settings such as secrets. You should specify a protected array $encrypted with a list of properties to encrypt/decrypt. Data will be encrypted into the database, and decrypted when retrieved.

use BogdanKharchenko\Settings\BaseSettings;

class UserSettings extends BaseSettings
{
    protected array $encrypted = [
        'secret',
        'list',
    ];

    public ?string $secret = null;

    public array $list = [
        'a',
        'b',
        'c',
    ];
}

The default encrypter is BogdanKharchenko\Settings\Repository\Encrypter but you may choose to implement your own encryption strategy by implementing BogdanKharchenko\Settings\Contracts\EncrypterInterface and changing the config.

Validation

You can define validation rules in your custom Settings class, in the same way as you would in FormRequests using the rules() and messages() methods. These rules will be triggered immediately before attempting to persist the data into the database.

class SimpleSettingWithRule extends BaseSettings
{
    public string $favoriteColor = 'red';

    // Optional
    public function rules()
    {
        return [
            'favoriteColor' => ['required', Rule::in(['red', 'green'])],
            
            // Or
            $this->toName()->favoriteColor => ['required', Rule::in(['red', 'green'])],
        ];
    }

    // Optional 
    public function messages()
    {
        return [
            'favoriteColor.in' => 'color does not match',
        ];
    }
}

Validation is optional, as you may choose to do this in other parts of your app. You can also customize the validator by implementing the BogdanKharchenko\Settings\Contracts\ValidatorInterface and changing the validator config.

Morph Map & Caching

Similarly to morph map for Eloquent, it is a good idea to allow your Setting be more flexible to restructuring without touching your database.

// config/typed-settings.php

return [
    'morph'=>[
        'user-settings'=> UserSettings::class,
    ],
    'cache' => [
        'enabled' => true,
        'store' => 'redis',
        'seconds' => 600,
    ],
    
   'encrypter' => \BogdanKharchenko\Settings\Repository\Encrypter::class,
   'validator' => \BogdanKharchenko\Settings\Repository\Validator::class,
];

Scopes

Sometimes you may need to check a setting on a database level, there is a helper scope available.

$users = User::query()
    ->whereSettings(UserSettings::class, 'favoriteColor', 'blue')
    ->get();