move into sonardesk

Workflow/Models/WorkflowInstance.php

@@ -0,0 +1,38 @@
+<?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();
+    }
+}