Created
April 6, 2026 05:39
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Fat Enums: Polymorphic enum cast based on discriminator column
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| <?php | |
| namespace App\Models; | |
| use App\Enums\OrderStatus; | |
| use App\Enums\TicketStatus; | |
| use ArtisanBuild\FatEnums\Casts\AsPolymorphicEnum; | |
| class Activity extends Model | |
| { | |
| protected $casts = [ | |
| // First arg: the discriminator column | |
| // Second arg: map of discriminator values to enum classes | |
| 'status' => AsPolymorphicEnum::of('activity_type', [ | |
| 'order' => OrderStatus::class, | |
| 'ticket' => TicketStatus::class, | |
| ]), | |
| ]; | |
| } | |
| // Now the status column casts to different enums based on activity_type: | |
| $orderActivity = Activity::where('activity_type', 'order')->first(); | |
| $orderActivity->status; // OrderStatus::Processing | |
| $ticketActivity = Activity::where('activity_type', 'ticket')->first(); | |
| $ticketActivity->status; // TicketStatus::Open | |
| // Perfect for activity logs, polymorphic relationships, or any | |
| // table where one column's meaning depends on another column. | |
| // Also available: AsNullableEnum for making any cast nullable | |
| 'status' => AsNullableEnum::of(OrderStatus::class), |
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