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SKILL.md
Full skill instructions
Laravel State Machines
State machines with Spatie Model States for complex state transitions and validation.
Core Concept
state-management.md - State machine patterns:
- Spatie Model States setup
- State classes with behavior
- Transition classes with validation
- State-specific methods
- When to use state machines vs simple enums
- Testing state transitions
Pattern
// State classes
final class DraftOrderState extends OrderState
{
public function canBeSubmitted(): bool
{
return true;
}
}
final class PendingOrderState extends OrderState
{
public function canBeSubmitted(): bool
{
return false;
}
}
// Transition class
final class SubmitOrderTransition extends Transition
{
public function handle(): OrderState
{
// Validation and side effects
return new PendingOrderState($this->order);
}
}
// Usage
$order->status->transitionTo(PendingOrderState::class);
Use state machines for complex state with validation, side effects, or state-specific behavior. Use simple enums for basic status fields.
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