existing harga jual diskon

Row(
                              crossAxisAlignment: CrossAxisAlignment.center,
                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                              children: [
                                Text(
                                  'Harga Jual',
                                  style: context.textTheme.titleSmall!
                                      .copyWith(color: AccurateColor.black50),
                                ),
                                const SpaceComponentWidth(),
                                Flexible(
                                  flex: 3,
                                  child: OneFormComponentNumeric(
                                    formCtr: _sellingPriceCtr,
                                    focusNode: _sellingPriceNode,
                                    isUseOutlineBorder: true,
                                    maxLines: 1,
                                    textInputType:
                                        const TextInputType.numberWithOptions(),
                                    hintText: 'Rp.0',
                                    inputFormatter: [RupiahInputFormatter()],
                                    onChanged: (p0) {
                                      _hitCalculateDetail();
                                      return;
                                    },
                                  ),
                                ),
                                Flexible(
                                  child: GestureDetector(
                                    onTap: () {
                                      context
                                          .read<
                                              ProductStockSalePriceHistoryCubit>()
                                          .getSalePriceHistory(
                                            id: item.itemId!,
                                            customerId:
                                                _customerChoosenData.id!,
                                          );
                                    },
                                    child: Column(
                                      children: [
                                        const SpaceComponentHeight(),
                                        Icon(
                                          Icons.restore,
                                          color: AccurateColor.blueAccurate,
                                          size: 27.r,
                                        ),
                                      ],
                                    ),
                                  ),
                                ),
                              ],
                            ),
                            const SpaceComponentHeight(),
                            IntrinsicHeight(
                              child: Row(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                mainAxisAlignment:
                                    MainAxisAlignment.spaceBetween,
                                children: [
                                  Center(
                                    child: Text(
                                      'Diskon',
                                      style: context.textTheme.titleSmall!,
                                    ),
                                  ),
                                  SpaceComponentWidth(width: 40.w),
                                  Flexible(
                                    flex: 1,
                                    child: OneFormComponentNumeric(
                                      formCtr: _discountPercentCtr,
                                      focusNode: _discountPercentNode,
                                      isUseOutlineBorder: true,
                                      maxLines: 1,
                                      textInputType:
                                          const TextInputType.numberWithOptions(
                                        decimal: true,
                                        signed: true,
                                      ),
                                      hintText: '0%',
                                      inputFormatter: [
                                        PercentageInputFormatter()
                                      ],
                                      onChanged: (_) => int.parse(
                                                _discountPercentCtr.text
                                                    .replaceAll('%', ''),
                                              ) <=
                                              100
                                          ? _hitCalculateDetail()
                                          : null,
                                      validator: (value) {
                                        if (value != null && value.isNotEmpty) {
                                          if (int.parse(
                                                  value.replaceAll('%', '')) >
                                              100) {
                                            return 'Maksimal diskon 100%';
                                          }
                                        }
                                        return null;
                                      },
                                    ),
                                  ),
                                  SpaceComponentWidth(width: 8.w),
                                  Flexible(
                                    flex: 2,
                                    child: OneFormComponentNumeric(
                                      formCtr: _discountRupiahCtr,
                                      focusNode: _discountRupiahNode,
                                      isUseOutlineBorder: true,
                                      maxLines: 1,
                                      textInputType: const TextInputType
                                          .numberWithOptions(),
                                      hintText: 'Rp.0',
                                      inputFormatter: [RupiahInputFormatter()],
                                      onChanged: (_) {
                                        _discountPercentCtr.clear();
                                        _hitCalculateDetail();
                                        return null;
                                      },
                                      validator: (value) {
                                        if (rupiahToDouble(value!) >
                                            rupiahToDouble(_totalPrice.value)) {
                                          return 'Diskon melebihi total';
                                        }
                                        return null;
                                      },
                                    ),
                                  ),
                                ],
                              ),
                            ),