'date', 'tanggal_kadaluarsa' => 'date', 'harga' => 'decimal:2', 'harga_total' => 'decimal:2', ]; public function obatMasuk(): BelongsTo { return $this->belongsTo(ObatMasuk::class); } public function user(): BelongsTo { return $this->belongsTo(User::class); } public function getSisaHariAttribute(): int { return Carbon::now()->diffInDays($this->tanggal_kadaluarsa, false); } }