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Refactor transfer amount calculation to handle account changes

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- Refactor `setTransactionSuitableDestinationAmount` in transactions store to handle account ID changes and avoid logic duplication.
- Recalculate transfer-in amount when changing accounts, while preserving manual edits by verifying previous exchange rate relationships.
- Clean up redundant calculation logic in `TransactionEditPageBase.ts`.
This commit is contained in:
GaryOu
2026-01-09 00:05:05 +08:00
committed by mayswind
parent f7d0e2279a
commit a730ebab8f
2 changed files with 31 additions and 54 deletions
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src/views/base/transactions/TransactionEditPageBase.ts
+4 -41
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@@ -16,7 +16,7 @@ import type { LocalizedTimezoneInfo } from '@/core/timezone.ts';
import { TransactionType } from '@/core/transaction.ts';
import { TemplateType } from '@/core/template.ts';
import { DISPLAY_HIDDEN_AMOUNT } from '@/consts/numeral.ts';
import { TRANSACTION_MAX_PICTURE_COUNT, TRANSACTION_MIN_AMOUNT, TRANSACTION_MAX_AMOUNT } from '@/consts/transaction.ts';
import { TRANSACTION_MAX_PICTURE_COUNT } from '@/consts/transaction.ts';
import { Account, type CategorizedAccountWithDisplayBalance } from '@/models/account.ts';
import type { TransactionCategory } from '@/models/transaction_category.ts';
@@ -26,19 +26,13 @@ import { Transaction } from '@/models/transaction.ts';
import { TransactionTemplate } from '@/models/transaction_template.ts';
import {
isArray,
isNumber
isArray
} from '@/lib/common.ts';
import {
getExchangedAmountByRate,
getAmountWithDecimalNumberCount
getExchangedAmountByRate
} from '@/lib/numeral.ts';
import {
getCurrencyFraction
} from '@/lib/currency.ts';
import {
getUtcOffsetByUtcOffsetMinutes,
getTimezoneOffsetMinutes,
@@ -437,11 +431,6 @@ export function useTransactionEditPageBase(type: TransactionEditPageType, initMo
return;
}
// Only recalculate if accounts actually changed
if (newSourceAccountId === oldSourceAccountId && newDestinationAccountId === oldDestinationAccountId) {
return;
}
// Only recalculate if accounts actually changed (skip initial watch call)
if (oldSourceAccountId !== undefined && oldDestinationAccountId !== undefined) {
if (newSourceAccountId === oldSourceAccountId && newDestinationAccountId === oldDestinationAccountId) {
@@ -449,33 +438,7 @@ export function useTransactionEditPageBase(type: TransactionEditPageType, initMo
}
}
const sourceAccount = allAccountsMap.value[transaction.value.sourceAccountId];
const destinationAccount = allAccountsMap.value[transaction.value.destinationAccountId];
if (!sourceAccount || !destinationAccount) {
return;
}
// Recalculate destination amount based on source amount and exchange rate
if (sourceAccount.currency !== destinationAccount.currency) {
const exchangedAmount = exchangeRatesStore.getExchangedAmount(transaction.value.sourceAmount, sourceAccount.currency, destinationAccount.currency);
if (isNumber(exchangedAmount)) {
const decimalNumberCount = getCurrencyFraction(destinationAccount.currency);
let newDestinationAmount = Math.trunc(exchangedAmount);
if (isNumber(decimalNumberCount)) {
newDestinationAmount = getAmountWithDecimalNumberCount(newDestinationAmount, decimalNumberCount);
}
if (TRANSACTION_MIN_AMOUNT <= newDestinationAmount && newDestinationAmount <= TRANSACTION_MAX_AMOUNT) {
transaction.value.destinationAmount = newDestinationAmount;
}
}
} else {
// Same currency, just copy the source amount
transaction.value.destinationAmount = transaction.value.sourceAmount;
}
transactionsStore.setTransactionSuitableDestinationAmount(transaction.value, transaction.value.sourceAmount, transaction.value.sourceAmount, oldSourceAccountId as string, oldDestinationAccountId as string);
});
return {