price calulator changed

2026-07-02 19:53:25 +03:30
parent eb5fda197e
commit 83cce69069
2 changed files with 140 additions and 42 deletions
@@ -6,6 +6,13 @@ export const serviceFeePercentage = ref<number>(0.01)
 /** true = مبالغ رند: فروش → ریال دقیق (کارمزد از طلا)؛ خرید → وزن دقیق (کارمزد از ریال) */
 export const feeDeductFromGold = ref(false)

+/** آخرین فیلدی که کاربر مستقیم ویرایش کرده — مبنای به‌روزرسانی هنگام تغییر قیمت */
+export type TradeInputLock = 'gram' | 'rial' | null
+
+function feeRate() {
+  return Number(serviceFeePercentage.value)
+}
+
 export async function loadServiceFeeFromSettings() {
  try {
    const settings = await getSettings()
@@ -42,6 +49,47 @@ export function calcGoldAmountFromTargetRial(rialAmount: number, unitPriceRial:
  return parseFloat((rialAmount / unitPriceRial).toFixed(6))
 }

+/** وقتی کاربر گرم را قفل کرده — ریال نمایشی/قابل پرداخت از همان گرم */
+export function calcRialFromLockedGram(displayGram: number, unitPriceRial: number, isBuy: boolean) {
+  const grams = Number(displayGram)
+  const unit = Number(unitPriceRial)
+  if (!grams || !unit) return 0
+  const fee = feeRate()
+
+  if (isBuy) {
+    if (feeDeductFromGold.value) {
+      return Math.round(grams * unit * (1 + fee))
+    }
+    return Math.round(grams * unit)
+  }
+
+  if (feeDeductFromGold.value) {
+    return Math.round(grams * unit)
+  }
+  return Math.round(grams * unit * (1 - fee))
+}
+
+/** وقتی کاربر ریال را قفل کرده — گرم نمایشی از همان مبلغ */
+export function calcGramFromLockedRial(rialAmount: number, unitPriceRial: number, isBuy: boolean) {
+  const rial = Number(rialAmount)
+  const unit = Number(unitPriceRial)
+  if (!rial || !unit) return 0
+  const fee = feeRate()
+
+  if (isBuy) {
+    if (feeDeductFromGold.value) {
+      return parseFloat((rial / (unit * (1 + fee))).toFixed(6))
+    }
+    const grossGrams = rial / unit
+    return parseFloat((grossGrams * (1 - fee)).toFixed(6))
+  }
+
+  if (feeDeductFromGold.value) {
+    return parseFloat((rial / unit).toFixed(6))
+  }
+  return parseFloat((rial / (unit * (1 - fee))).toFixed(6))
+}
+
 /** مبلغ نهایی قابل پرداخت (خرید) یا دریافت (فروش) به ریال */
 export function calcPayablePriceRial(
  finalPriceRial: number,
@@ -57,22 +105,35 @@ export function calcPayablePriceRial(
  return isBuy ? finalPriceRial : Math.max(0, finalPriceRial - feeInRial)
 }

-/** وزن ارسالی به سرور — فروش رند: از مبلغ ریالی هدف */
+/** وزن ارسالی به سرور */
 export function calcOrderGoldAmount(
  goldValue?: number | null,
  goldCash?: number | null,
  unitPriceRial?: number,
-  isBuy?: boolean
+  isBuy?: boolean,
+  inputLock?: TradeInputLock
 ) {
  const gold = Number(goldValue ?? 0)
-  if (isBuy || !feeDeductFromGold.value) {
-    return parseFloat(gold.toFixed(6))
-  }
-  const targetCash = calcSellTargetCash(goldCash, goldValue, unitPriceRial)
+  const cash = Number(goldCash ?? 0)
  const unit = Number(unitPriceRial ?? 0)
-  if (targetCash != null && unit > 0) {
-    return calcGoldAmountFromTargetRial(targetCash, unit)
+
+  if (isBuy && inputLock === 'rial' && !feeDeductFromGold.value && cash > 0 && unit > 0) {
+    return parseFloat((cash / unit).toFixed(6))
  }
+
+  if (!isBuy && feeDeductFromGold.value) {
+    if (inputLock === 'rial' && cash > 0 && unit > 0) {
+      return calcGoldAmountFromTargetRial(cash, unit)
+    }
+    if (inputLock !== 'rial') {
+      return parseFloat(gold.toFixed(6))
+    }
+    const targetCash = calcSellTargetCash(goldCash, goldValue, unitPriceRial, inputLock)
+    if (targetCash != null && unit > 0) {
+      return calcGoldAmountFromTargetRial(targetCash, unit)
+    }
+  }
+
  return parseFloat(gold.toFixed(6))
 }

@@ -80,10 +141,16 @@ export function calcOrderGoldAmount(
 export function calcSellTargetCash(
  goldCash?: number | null,
  goldValue?: number | null,
-  unitPriceRial?: number
+  unitPriceRial?: number,
+  inputLock?: TradeInputLock
 ) {
+  if (!feeDeductFromGold.value) return undefined
+  if (inputLock === 'gram') return undefined
+
  const cash = Number(goldCash ?? 0)
-  if (!feeDeductFromGold.value || cash <= 0) return undefined
+  if (cash <= 0) return undefined
+  if (inputLock === 'rial') return Math.round(cash)
+
  const gold = Number(goldValue ?? 0)
  const unit = Number(unitPriceRial ?? 0)
  if (gold > 0 && unit > 0) {
@@ -330,7 +330,19 @@ import { getLastPrices, getTradeBuyPrice, getTradeSellPrice, lastPrice } from '@
 import type { Product } from '@/models/products'
 import { useFundUserStore } from '@/store/fundStore'
 import {useConfigStore} from "@/store/configStore";
-import { calcFeeInGrams, calcOrderGoldAmount, calcPayablePriceRial, calcSellGoldDebit, calcSellTargetCash, feeDeductFromGold, loadServiceFeeFromSettings } from '@/utils/serviceFee'
+import {
+  calcFeeInGrams,
+  calcGramFromLockedRial,
+  calcOrderGoldAmount,
+  calcPayablePriceRial,
+  calcRialFromLockedGram,
+  calcSellGoldDebit,
+  calcSellTargetCash,
+  feeDeductFromGold,
+  loadServiceFeeFromSettings,
+  serviceFeePercentage,
+  type TradeInputLock,
+} from '@/utils/serviceFee'
 import { isStoreClosed, getStoreClosedMessage } from '@/utils/storeHours'
 import { formatCashWalletBalanceText, getWeightUnit } from '@/utils/productDealMethod'
 import { formatProductWalletBalanceText, getCashWalletBalance, getProductInventoryQuantity } from '@/utils/productAssets'
@@ -386,6 +398,7 @@ const contentClass = computed(() => {
  return 'mt-5 px-3 pb-4'
 })
 const isBuy = ref<boolean>(true)
+const inputLock = ref<TradeInputLock>(null)

 const tradeProductLabel = computed(() => {
  const title = props.ProductItem?.title?.trim()
@@ -436,7 +449,13 @@ const unitPrice = computed(() => {
  return isBuy.value ? getTradeBuyPrice(lastPrice.value) : getTradeSellPrice(lastPrice.value)
 })
 const orderGoldAmount = computed(() =>
-  calcOrderGoldAmount(form.value?.goldValue, form.value?.goldCash, unitPrice.value, isBuy.value)
+  calcOrderGoldAmount(
+    form.value?.goldValue,
+    form.value?.goldCash,
+    unitPrice.value,
+    isBuy.value,
+    inputLock.value
+  )
 )
 const feeInGrams = computed(() => calcFeeInGrams(orderGoldAmount.value))
 const finalPrice = computed(() => orderGoldAmount.value * unitPrice.value)
@@ -447,7 +466,7 @@ const payablePrice = computed(() =>
    finalPrice.value,
    feeInRial.value,
    isBuy.value,
-    !isBuy.value ? form.value?.goldCash : undefined
+    !isBuy.value && inputLock.value === 'rial' ? form.value?.goldCash : undefined
  )
 )
 const sellGoldDebit = computed(() => calcSellGoldDebit(orderGoldAmount.value, feeInGrams.value))
@@ -620,20 +639,18 @@ onMounted(() => {
 })

 function percentChange(val: number) {
-  if (val !== 0)
+  if (val !== 0) {
    if (isBuy.value) {
      form.value.goldCash = unitCashCalculator.value * val
      calculateGold(form.value.goldCash)
-      calculateCash(form.value.goldValue)
    } else {
-      // console.log((unitGoldCalculator.value * val).toFixed(2))
-      // form.value.goldValue = parseFloat((unitGoldCalculator.value * val).toFixed(2))
-      form.value.goldValue = toFixedDownThreeChar(parseFloat(unitGoldCalculator.value * val))
+      form.value.goldValue = toFixedDownThreeChar(parseFloat(String(unitGoldCalculator.value * val)))
      calculateCash(form.value.goldValue)
    }
-  else {
+  } else {
    form.value.goldValue = undefined
    form.value.goldCash = undefined
+    inputLock.value = null
  }
 }

@@ -643,13 +660,22 @@ const unitCashCalculator = computed(() => {
  return cashWalletBalance.value / 100
 })

+function formatTradeGramDisplay(grams: number) {
+  if (Number(serviceFeePercentage.value) > 0) {
+    return parseFloat(grams.toFixed(6))
+  }
+  return toFixedDownThreeChar(grams)
+}
+
 function syncFormWithLatestPrice() {
  const unit = unitPrice.value
-  if (!unit || Number.isNaN(unit)) return
+  if (!unit || Number.isNaN(unit) || !inputLock.value) return

-  const goldValue = form.value.goldValue
-  if (goldValue !== undefined && goldValue !== null && goldValue !== '' && !isNaN(Number(goldValue))) {
-    calculateCash(Number(goldValue))
+  if (inputLock.value === 'gram') {
+    const goldValue = form.value.goldValue
+    if (goldValue !== undefined && goldValue !== null && goldValue !== '' && !isNaN(Number(goldValue))) {
+      calculateCash(Number(goldValue))
+    }
    return
  }

@@ -666,39 +692,37 @@ watch(
  }
 )

+watch([feeDeductFromGold, () => serviceFeePercentage.value], () => {
+  syncFormWithLatestPrice()
+})
+
 function calculateCash(val: number) {
+  inputLock.value = 'gram'
  priceErrorVisible.value = false
  const unit = unitPrice.value
  if (!unit || Number.isNaN(unit)) return

-  form.value.goldCash = val ? parseFloat((val * unit).toFixed(0)) : undefined
+  if (val === undefined || val === null || Number.isNaN(val)) {
+    form.value.goldCash = undefined
+    inputLock.value = null
+    return
+  }
+
+  form.value.goldCash = calcRialFromLockedGram(val, unit, isBuy.value)
 }

 function calculateGold(val: number) {
+  inputLock.value = 'rial'
  const unit = unitPrice.value
  if (!unit || Number.isNaN(unit)) return

-  if (isBuy.value) {
-    if (val) {
-      form.value.goldValue = toFixedDownThreeChar(parseFloat(String(val / unit)))
-      priceErrorVisible.value = parseInt(String(finalPrice.value)) > 0
-    } else if (val.toString() === '') {
-      form.value.goldValue = undefined
-      priceErrorVisible.value = false
-    } else {
-      form.value.goldValue = 0
-      priceErrorVisible.value = false
-    }
-  } else if (val) {
-    if (!isBuy.value && feeDeductFromGold.value) {
-      form.value.goldValue = parseFloat((val / unit).toFixed(6))
-    } else {
-      form.value.goldValue = toFixedDownThreeChar(parseFloat(String(val / unit)))
-    }
+  if (val) {
+    form.value.goldValue = formatTradeGramDisplay(calcGramFromLockedRial(val, unit, isBuy.value))
    priceErrorVisible.value = parseInt(String(finalPrice.value)) > 0
  } else if (val.toString() === '') {
    form.value.goldValue = undefined
    priceErrorVisible.value = false
+    inputLock.value = null
  } else {
    form.value.goldValue = 0
    priceErrorVisible.value = false
@@ -725,6 +749,7 @@ function setIsBuy(val: boolean) {
  form.value.goldCash = undefined
  form.value.percentWallet = 0
  priceErrorVisible.value = false
+  inputLock.value = null
  // console.log(bganim.value.classList)
  // bganim?.value?.classList.add(val?'right':'left')
  // bganim?.value?.style.transform = `translateX(${val ? '0' : '-100'});`
@@ -778,7 +803,12 @@ async function ok() {
      direction: isBuy.value ? 1 : 2,
      price: Math.round(unitPrice.value),
      amount: orderGoldAmount.value,
-      target_cash: calcSellTargetCash(form.value.goldCash, form.value.goldValue, unitPrice.value),
+      target_cash: calcSellTargetCash(
+        form.value.goldCash,
+        form.value.goldValue,
+        unitPrice.value,
+        inputLock.value
+      ),
      abshode_id: props.ProductItem?.id,
    })
    confirmAction.value = false
@@ -790,6 +820,7 @@ async function ok() {
      goldCash: undefined,
      percentWallet: undefined
    }
+    inputLock.value = null
    message.success('سفارش شما با موفقیت انجام شد')
    await fundStore.getMyFund()
  } catch (e) {