make app database

app/Models/Loan.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Models;
+
+use App\Domain\Loan\Enums\LoanStatus;
+use Database\Factories\LoanFactory;
+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([
+    'public_id',
+    'customer_id',
+    'loan_type_id',
+    'workflow_configuration_id',
+    'current_workflow_configuration_step_id',
+    'amount',
+    'phone',
+    'monthly_income',
+    'credit_score',
+    'has_guarantor',
+    'status',
+])]
+class Loan extends Model
+{
+    /** @use HasFactory<LoanFactory> */
+    use HasFactory;
+
+    protected $attributes = [
+        'status' => LoanStatus::Submitted->value,
+    ];
+
+    public function getRouteKeyName(): string
+    {
+        return 'public_id';
+    }
+
+    public function loanType(): BelongsTo
+    {
+        return $this->belongsTo(LoanType::class);
+    }
+
+    public function workflowConfiguration(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfiguration::class);
+    }
+
+    public function currentStep(): BelongsTo
+    {
+        return $this->belongsTo(WorkflowConfigurationStep::class, 'current_workflow_configuration_step_id');
+    }
+
+    public function histories(): HasMany
+    {
+        return $this->hasMany(LoanHistory::class);
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'amount' => 'integer',
+            'monthly_income' => 'integer',
+            'credit_score' => 'integer',
+            'has_guarantor' => 'boolean',
+            'status' => LoanStatus::class,
+        ];
+    }
+}