product modal changes

src/utils/productCategories.ts

@@ -27,6 +27,22 @@ export function isMeltedTradeGroup(groupType?: string | null) {
   return group === PRODUCT_CATEGORY_ABSHODE || group === LEGACY_GROUP_KATOD
 }
 
+/** ادیتور قیمت آبشده‌ای — کاتد/آبشده یا معامله مقداری (trade_by_quantity) */
+export function usesMeltedPriceEditor(input?: {
+  group_type?: string | null
+  trade_by_quantity?: boolean | number | null
+} | null) {
+  if (!input) {
+    return false
+  }
+
+  if (isMeltedTradeGroup(input.group_type)) {
+    return true
+  }
+
+  return input.trade_by_quantity === true || Number(input.trade_by_quantity) === 1
+}
+
 export type MeltedPriceSource = 'app' | 'fixed' | 'reference'
 
 export function resolveMeltedPriceSource(product?: {

src/utils/productEditorPrice.ts

@@ -1,7 +1,7 @@
 import type { last } from '@/model/price'
 import type { MethodePrices } from '@/model/product'
 import type { MeltedPriceSource } from '@/utils/productCategories'
-import { isMeltedTradeGroup } from '@/utils/productCategories'
+import { usesMeltedPriceEditor } from '@/utils/productCategories'
 
 const GOLD_DOT_REFERENCE_NAME = 'گلد دات ای از آبشده - رسمی - نقد فردا'
 
@@ -105,7 +105,7 @@ export function computeProductEditorPricePreview(input: {
   appLastPrice?: (Partial<last> & { price?: number; last_historical?: number }) | null
 }): ProductEditorPricePreview {
   const offsetPercent = Number(input.form.price_offset_percent ?? 0)
-  const melted = isMeltedTradeGroup(input.form.group_type)
+  const melted = usesMeltedPriceEditor(input.form)
 
   if (melted) {
     if (input.meltedPriceOption === 'fixed') {