<?php
namespace Modules\Workflow\Models;
use Illuminate\Database\Eloquent\Model; use Illuminate\Database\Eloquent\Relations\BelongsTo; use Illuminate\Database\Eloquent\Relations\HasMany; use Illuminate\Database\Eloquent\Relations\MorphTo;
final class WorkflowInstance extends Model { protected $fillable=['workflow_definition_id','workflow_stage_id','subject_type','subject_id','status','started_by','assigned_to','due_at','completed_at']; protected function casts(): array { return ['due_at'=>'datetime','completed_at'=>'datetime']; } public function definition(): BelongsTo { return $this->belongsTo(WorkflowDefinition::class,'workflow_definition_id'); } public function stage(): BelongsTo { return $this->belongsTo(WorkflowStage::class,'workflow_stage_id'); } public function subject(): MorphTo { return $this->morphTo(); } public function history(): HasMany { return $this->hasMany(WorkflowHistory::class)->latest(); } }