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feat: dukung penjualan produk per timbangan

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Produk kini punya cara jual `unit` (cacah) atau `weight` (timbangan),
mengikuti kontrak backend di docs/integration-weight-based-products.md.

- tipe SellBy, domain/infrastructure unit baru, dan endpoint /api/v1/units
- dialog input berat saat produk timbangan ditambahkan ke keranjang
- tiap penimbangan jadi baris keranjang sendiri; total baris dihitung
  berat x harga satuan, sedangkan produk cacah tetap digabung
- request ke backend mengirim quantity 1 dan membawa berat
- migrasi DB v3: kolom sell_by, unit_id, unit_name, unit_abbreviation
  di tabel products supaya satuan tetap tampil saat offline
- tampilan keranjang, struk, split bill, void, dan refund memakai berat
- test/weight_based_products_test.dart menutup perilaku di atas (9 test)

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
efrilm
2026-09-06 23:03:31 +07:00
co-authored by Claude Opus 5
parent 9777f63426
commit 1505a83dd3
72 changed files with 5388 additions and 584 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/presentation/pages/void/widgets/void_product_card.dart
+104 -61
View File
@@ -71,7 +71,9 @@ class VoidProductCard extends StatelessWidget {
borderRadius: BorderRadius.circular(12),
),
child: Text(
'Qty: ${item.quantity}',
item.isWeighted
? item.quantityLabel
: 'Qty: ${item.quantity}',
style: AppStyle.sm.copyWith(
fontWeight: FontWeight.w500,
color: Colors.blue[700],
@@ -112,65 +114,13 @@ class VoidProductCard extends StatelessWidget {
),
if (canSelect) ...[
Container(
decoration: BoxDecoration(
border: Border.all(color: AppColor.border),
borderRadius: BorderRadius.circular(6),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
// Decrease Button
InkWell(
onTap: onTapDecrease,
child: Container(
padding: const EdgeInsets.all(8),
child: Icon(
Icons.remove,
size: 16,
color: voidQty > 0
? AppColor.primary
: Colors.grey[400],
),
),
),
// Quantity Display
Container(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
decoration: const BoxDecoration(
border: Border.symmetric(
vertical: BorderSide(color: AppColor.border),
),
),
child: Text(
'$voidQty',
style: AppStyle.sm.copyWith(
fontWeight: FontWeight.w600,
),
),
),
// Increase Button
InkWell(
onTap: onTapIncrease,
child: Container(
padding: const EdgeInsets.all(8),
child: Icon(
Icons.add,
size: 16,
color: voidQty < (item.quantity)
? AppColor.primary
: Colors.grey[400],
),
),
),
],
),
),
// Baris berbobot bersifat utuh: dibatalkan seluruhnya atau
// tidak sama sekali, jadi yang ditawarkan tombol pilih baris
// — bukan stepper jumlah.
if (item.isWeighted)
_buildLineSelector()
else
_buildQuantityStepper(),
const SpaceWidth(20),
],
// Price
@@ -195,7 +145,7 @@ class VoidProductCard extends StatelessWidget {
borderRadius: BorderRadius.circular(4),
),
child: Text(
'Void: ${((item.unitPrice) * voidQty).currencyFormatRpV2}',
'Void: ${(item.isWeighted ? item.totalPrice : (item.unitPrice) * voidQty).currencyFormatRpV2}',
style: AppStyle.sm.copyWith(
fontSize: 12,
color: AppColor.error,
@@ -214,4 +164,97 @@ class VoidProductCard extends StatelessWidget {
),
);
}
/// Pilih atau lepas satu baris berbobot secara utuh.
Widget _buildLineSelector() {
final selected = voidQty > 0;
return InkWell(
onTap: selected ? onTapDecrease : onTapIncrease,
borderRadius: BorderRadius.circular(6),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: selected ? AppColor.primary : Colors.transparent,
border: Border.all(
color: selected ? AppColor.primary : AppColor.border,
),
borderRadius: BorderRadius.circular(6),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
selected ? Icons.check_circle : Icons.radio_button_unchecked,
size: 16,
color: selected ? AppColor.white : AppColor.textSecondary,
),
const SpaceWidth(6),
Text(
selected ? 'Dipilih' : 'Pilih baris',
style: AppStyle.sm.copyWith(
fontWeight: FontWeight.w600,
color: selected ? AppColor.white : AppColor.textSecondary,
),
),
],
),
),
);
}
Widget _buildQuantityStepper() {
return Container(
decoration: BoxDecoration(
border: Border.all(color: AppColor.border),
borderRadius: BorderRadius.circular(6),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
// Decrease Button
InkWell(
onTap: onTapDecrease,
child: Container(
padding: const EdgeInsets.all(8),
child: Icon(
Icons.remove,
size: 16,
color: voidQty > 0 ? AppColor.primary : Colors.grey[400],
),
),
),
// Quantity Display
Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: const BoxDecoration(
border: Border.symmetric(
vertical: BorderSide(color: AppColor.border),
),
),
child: Text(
'$voidQty',
style: AppStyle.sm.copyWith(fontWeight: FontWeight.w600),
),
),
// Increase Button
InkWell(
onTap: onTapIncrease,
child: Container(
padding: const EdgeInsets.all(8),
child: Icon(
Icons.add,
size: 16,
color: voidQty < (item.quantity)
? AppColor.primary
: Colors.grey[400],
),
),
),
],
),
);
}
}