make app database

app/Models/WorkflowConfiguration.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Models;
+
+use App\Domain\Loan\Enums\WorkflowConfigurationStatus;
+use Database\Factories\WorkflowConfigurationFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+#[Fillable(['loan_type_id', 'name', 'version', 'status', 'published_at', 'created_by'])]
+class WorkflowConfiguration extends Model
+{
+    /** @use HasFactory<WorkflowConfigurationFactory> */
+    use HasFactory;
+
+    protected $attributes = [
+        'status' => WorkflowConfigurationStatus::Draft->value,
+    ];
+
+    public function loanType(): BelongsTo
+    {
+        return $this->belongsTo(LoanType::class);
+    }
+
+    public function steps(): HasMany
+    {
+        return $this->hasMany(WorkflowConfigurationStep::class)->orderBy('position');
+    }
+
+    public function loans(): HasMany
+    {
+        return $this->hasMany(Loan::class);
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function isEditable(): bool
+    {
+        return $this->status === WorkflowConfigurationStatus::Draft;
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'status' => WorkflowConfigurationStatus::class,
+            'published_at' => 'datetime',
+        ];
+    }
+}