From d70c686cc8e38ab4c2dd0602cfb6ee2184aa2dfc Mon Sep 17 00:00:00 2001
From: Methapon2001 <61303214+Methapon2001@users.noreply.github.com>
Date: Thu, 11 Sep 2025 13:43:35 +0700
Subject: [PATCH] fix: price calc

---
 src/components/05_quotation/ProductItem.vue  | 40 ++++++----
 src/pages/05_quotation/QuotationForm.vue     | 31 +++-----
 src/pages/05_quotation/QuotationFormInfo.vue |  4 +-
 src/pages/05_quotation/preview/ViewForm.vue  | 77 ++++++--------------
 4 files changed, 63 insertions(+), 89 deletions(-)

diff --git a/src/components/05_quotation/ProductItem.vue b/src/components/05_quotation/ProductItem.vue
index b1996d03..cfa2ad8e 100644
--- a/src/components/05_quotation/ProductItem.vue
+++ b/src/components/05_quotation/ProductItem.vue
@@ -58,16 +58,15 @@ const currentBtnOpen = ref<{ title: string; opened: boolean[] }[]>([
 
 function calcPrice(c: (typeof rows.value)[number]) {
   const originalPrice = c.pricePerUnit;
-  const finalPriceWithVat = precisionRound(
-    originalPrice + originalPrice * (config.value?.vat || 0.07),
+  const finalPricePerUnit = precisionRound(
+    originalPrice +
+      (c.product[props.agentPrice ? 'agentPriceCalcVat' : 'calcVat']
+        ? originalPrice * (config.value?.vat || 0.07)
+        : 0),
   );
-  const finalPriceNoVat = finalPriceWithVat / (1 + (config.value?.vat || 0.07));
+  const price = finalPricePerUnit * c.amount - c.discount;
 
-  const price = finalPriceNoVat * c.amount - c.discount;
-  const vat = c.product[props.agentPrice ? 'agentPriceCalcVat' : 'calcVat']
-    ? (finalPriceNoVat * c.amount - c.discount) * (config.value?.vat || 0.07)
-    : 0;
-  return precisionRound(price + vat);
+  return precisionRound(price);
 }
 
 const discount4Show = ref<string[]>([]);
@@ -435,8 +434,20 @@ watch(
               <q-td align="right">
                 {{
                   formatNumberDecimal(
-                    props.row.pricePerUnit * props.row.amount -
-                      props.row.discount,
+                    props.row.product[
+                      agentPrice ? 'agentPriceCalcVat' : 'calcVat'
+                    ]
+                      ? precisionRound(
+                          (props.row.pricePerUnit *
+                            (1 + (config?.vat || 0.07)) *
+                            props.row.amount -
+                            props.row.discount) /
+                            (1 + (config?.vat || 0.07)),
+                        )
+                      : precisionRound(
+                          props.row.pricePerUnit * props.row.amount -
+                            props.row.discount,
+                        ),
                     2,
                   )
                 }}
@@ -448,9 +459,12 @@ watch(
                       agentPrice ? 'agentPriceCalcVat' : 'calcVat'
                     ]
                       ? precisionRound(
-                          (props.row.pricePerUnit * props.row.amount -
-                            props.row.discount) *
-                            (config?.vat || 0.07),
+                          ((props.row.pricePerUnit *
+                            (1 + (config?.vat || 0.07)) *
+                            props.row.amount -
+                            props.row.discount) /
+                            (1 + (config?.vat || 0.07))) *
+                            0.07,
                         )
                       : 0,
                     2,
diff --git a/src/pages/05_quotation/QuotationForm.vue b/src/pages/05_quotation/QuotationForm.vue
index dd5b5aeb..e46f911f 100644
--- a/src/pages/05_quotation/QuotationForm.vue
+++ b/src/pages/05_quotation/QuotationForm.vue
@@ -248,32 +248,23 @@ function getPrice(
         return a;
       }
 
-      const originalPrice = c.pricePerUnit;
-      const finalPriceWithVat = precisionRound(
-        originalPrice * (1 + (config.value?.vat || 0.07)),
-      );
-      const finalPriceNoVat =
-        finalPriceWithVat / (1 + (config.value?.vat || 0.07));
-
-      const price = finalPriceNoVat * c.amount;
-      const vat =
-        (finalPriceNoVat * c.amount - c.discount) * (config.value?.vat || 0.07);
-
       const calcVat =
         c.product[agentPrice.value ? 'agentPriceCalcVat' : 'calcVat'];
+      const vatFactor = calcVat ? (config.value?.vat ?? 0.07) : 0;
 
-      a.totalPrice = precisionRound(a.totalPrice + price);
-      a.totalDiscount = precisionRound(a.totalDiscount + Number(c.discount));
-      a.vat = calcVat ? precisionRound(a.vat + vat) : a.vat;
+      const price = precisionRound(
+        (c.pricePerUnit * c.amount * (1 + vatFactor) - c.discount) /
+          (1 + vatFactor),
+      );
+      const vat = price * vatFactor;
+
+      a.totalPrice = precisionRound(a.totalPrice + price + c.discount);
+      a.totalDiscount = precisionRound(a.totalDiscount + c.discount);
+      a.vat = precisionRound(a.vat + vat);
       a.vatExcluded = calcVat
         ? a.vatExcluded
         : precisionRound(a.vatExcluded + price);
-      a.finalPrice = precisionRound(
-        a.totalPrice -
-          a.totalDiscount +
-          a.vat -
-          Number(quotationFormData.value.discount || 0),
-      );
+      a.finalPrice = precisionRound(a.totalPrice - a.totalDiscount + a.vat);
 
       return a;
     },
diff --git a/src/pages/05_quotation/QuotationFormInfo.vue b/src/pages/05_quotation/QuotationFormInfo.vue
index 5f9f45b3..c0324392 100644
--- a/src/pages/05_quotation/QuotationFormInfo.vue
+++ b/src/pages/05_quotation/QuotationFormInfo.vue
@@ -446,7 +446,9 @@ watch(
           <span class="q-ml-auto">
             {{
               formatNumberDecimal(
-                summaryPrice.totalPrice - summaryPrice.totalDiscount,
+                summaryPrice.totalPrice -
+                  summaryPrice.totalDiscount -
+                  summaryPrice.vatExcluded,
                 2,
               )
             }}
diff --git a/src/pages/05_quotation/preview/ViewForm.vue b/src/pages/05_quotation/preview/ViewForm.vue
index 9977a6c7..4f6d1904 100644
--- a/src/pages/05_quotation/preview/ViewForm.vue
+++ b/src/pages/05_quotation/preview/ViewForm.vue
@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import { storeToRefs } from 'pinia';
-import { onMounted, nextTick, ref, watch } from 'vue';
+import { onMounted, nextTick, ref, watch, toRaw } from 'vue';
 import { precisionRound } from 'src/utils/arithmetic';
 import { useI18n } from 'vue-i18n';
 import ThaiBahtText from 'thai-baht-text';
@@ -175,6 +175,8 @@ enum View {
 const view = ref<View>(View.Quotation);
 
 onMounted(async () => {
+  await configStore.getConfig();
+
   const currentDocumentType = new URL(window.location.href).searchParams.get(
     'type',
   );
@@ -259,18 +261,6 @@ onMounted(async () => {
     productList.value =
       (data?.value?.productServiceList ?? data.value?.productServiceList).map(
         (v) => {
-          const originalPrice = v.pricePerUnit;
-          const finalPriceWithVat = precisionRound(
-            originalPrice * (1 + (config.value?.vat || 0.07)),
-          );
-          const finalPriceNoVat =
-            finalPriceWithVat / (1 + (config.value?.vat || 0.07));
-
-          const price = finalPriceNoVat * v.amount - v.discount;
-          const vat =
-            (finalPriceNoVat * v.amount - v.discount) *
-            (config.value?.vat || 0.07);
-
           return {
             id: v.product.id,
             code: v.product.code,
@@ -279,8 +269,8 @@ onMounted(async () => {
             pricePerUnit: v.pricePerUnit || 0,
             discount: v.discount || 0,
             vat: v.vat || 0,
-            value: precisionRound(price + (v.product.calcVat ? vat : 0)),
-            calcVat: v.product.calcVat,
+            value: 0,
+            calcVat: v.vat > 0,
             product: v.product,
           };
         },
@@ -292,23 +282,15 @@ onMounted(async () => {
     []
   ).reduce(
     (a, c) => {
-      const originalPrice = c.pricePerUnit;
-      const finalPriceWithVat = precisionRound(
-        originalPrice * (1 + (config.value?.vat || 0.07)),
-      );
-      const finalPriceNoVat =
-        finalPriceWithVat / (1 + (config.value?.vat || 0.07));
+      const calcVat = c.vat > 0;
+      const vatFactor = calcVat ? (config.value?.vat ?? 0.07) : 0;
+      const price =
+        (c.pricePerUnit * c.amount * (1 + vatFactor) - c.discount) /
+        (1 + vatFactor);
 
-      const price = finalPriceNoVat * c.amount;
-      const vat =
-        (finalPriceNoVat * c.amount - c.discount) * (config.value?.vat || 0.07);
-
-      const calcVat =
-        c.product[agentPrice.value ? 'agentPriceCalcVat' : 'calcVat'];
-
-      a.totalPrice = precisionRound(a.totalPrice + price);
+      a.totalPrice = precisionRound(a.totalPrice + price + c.discount);
       a.totalDiscount = precisionRound(a.totalDiscount + Number(c.discount));
-      a.vat = calcVat ? precisionRound(a.vat + vat) : a.vat;
+      a.vat = calcVat ? precisionRound(a.vat + c.vat) : a.vat;
       a.vatExcluded = calcVat
         ? a.vatExcluded
         : precisionRound(a.vatExcluded + price);
@@ -334,16 +316,12 @@ onMounted(async () => {
 
 function calcPrice(c: Product) {
   const originalPrice = c.pricePerUnit;
-  const finalPriceWithVat = precisionRound(
-    originalPrice + originalPrice * (config.value?.vat || 0.07),
+  const finalPricePerUnit = precisionRound(
+    originalPrice +
+      (c.calcVat ? originalPrice * (config.value?.vat || 0.07) : 0),
   );
-  const finalPriceNoVat = finalPriceWithVat / (1 + (config.value?.vat || 0.07));
-
-  const price = finalPriceNoVat * c.amount - c.discount;
-  const vat = c.product[agentPrice.value ? 'agentPriceCalcVat' : 'calcVat']
-    ? (finalPriceNoVat * c.amount - c.discount) * (config.value?.vat || 0.07)
-    : 0;
-  return precisionRound(price + vat);
+  const price = finalPricePerUnit * c.amount - c.discount;
+  return precisionRound(price);
 }
 
 async function closeTab() {
@@ -429,10 +407,7 @@ function print() {
             <td style="text-align: right">
               {{
                 formatNumberDecimal(
-                  v.pricePerUnit +
-                    (v.product[agentPrice ? 'agentPriceCalcVat' : 'calcVat']
-                      ? v.pricePerUnit * (config?.vat || 0.07)
-                      : 0),
+                  v.pricePerUnit * (1 + (v.vat > 0 ? config?.vat || 0.07 : 0)),
                   2,
                 )
               }}
@@ -441,17 +416,7 @@ function print() {
               {{ formatNumberDecimal(v.discount, 2) }}
             </td>
             <td style="text-align: right">
-              {{
-                formatNumberDecimal(
-                  v.product[agentPrice ? 'agentPriceCalcVat' : 'calcVat']
-                    ? precisionRound(
-                        (v.pricePerUnit * v.amount - v.discount) *
-                          (config?.vat || 0.07),
-                      )
-                    : 0,
-                  2,
-                )
-              }}
+              {{ Math.round((v.vat > 0 ? config?.vat || 0.07 : 0) * 100) }}%
             </td>
             <td style="text-align: right">
               {{ formatNumberDecimal(calcPrice(v), 2) }}
@@ -511,7 +476,9 @@ function print() {
             <td class="text-right">
               {{
                 formatNumberDecimal(
-                  summaryPrice.totalPrice - summaryPrice.totalDiscount,
+                  summaryPrice.totalPrice -
+                    summaryPrice.totalDiscount -
+                    summaryPrice.vatExcluded,
                   2,
                 )
               }}