reconstruction of the project

app/Models/PaymentNotificationLog.php

@@ -7,8 +7,10 @@ use App\Models\BaseModel;
 class PaymentNotificationLog extends BaseModel
 {
     protected $table = 'payment_notification_logs';
-    protected $primaryKey    = 'id';
-    protected $useSoftDeletes = false;
+
+    // CI: useTimestamps = false (created_at / sent_at are managed manually)
+    public $timestamps = false;
+
     protected $fillable = [
         'parent_id',
         'invoice_id',
@@ -27,30 +29,60 @@ class PaymentNotificationLog extends BaseModel
         'created_at',
         'sent_at',
     ];
-    public $timestamps = false;
 
-    public function existsForPeriod(int $parentId, int $year, int $month, string $type): bool
+    protected $casts = [
+        'parent_id'         => 'integer',
+        'invoice_id'         => 'integer',
+        'period_year'        => 'integer',
+        'period_month'       => 'integer',
+        'head_fa_notified'   => 'boolean',
+        'balance_snapshot'   => 'decimal:2', // adjust precision if needed
+        'created_at'         => 'datetime',
+        'sent_at'            => 'datetime',
+    ];
+
+    /* Optional relationships */
+    public function parent()
     {
-        return $this->where('parent_id', $parentId)
+        return $this->belongsTo(User::class, 'parent_id');
+    }
+
+    public function invoice()
+    {
+        return $this->belongsTo(Invoice::class, 'invoice_id');
+    }
+
+    /**
+     * Equivalent of CI existsForPeriod()
+     */
+    public static function existsForPeriod(int $parentId, int $year, int $month, string $type): bool
+    {
+        return static::query()
+            ->where('parent_id', $parentId)
             ->where('period_year', $year)
             ->where('period_month', $month)
             ->where('type', $type)
-            ->first() !== null;
+            ->exists();
     }
 
-    public function listLogs(?string $from = null, ?string $to = null, ?string $type = null): array
+    /**
+     * Equivalent of CI listLogs()
+     * $from/$to should be DATETIME strings.
+     */
+    public static function listLogs(?string $from = null, ?string $to = null, ?string $type = null): array
     {
-        $builder = $this->orderBy('sent_at', 'DESC');
-        if ($from) {
-            $builder->where('sent_at >=', $from);
-        }
-        if ($to) {
-            $builder->where('sent_at <=', $to);
-        }
-        if ($type) {
-            $builder->where('type', $type);
-        }
-        return $builder->findAll();
-    }
-}
+        $q = static::query()->orderByDesc('sent_at');
 
+        if (!empty($from)) {
+            $q->where('sent_at', '>=', $from);
+        }
+        if (!empty($to)) {
+            $q->where('sent_at', '<=', $to);
+        }
+        if (!empty($type)) {
+            $q->where('type', $type);
+        }
+
+        return $q->get()->toArray();
+    }
+}