[WALL] Rostislav / WALL-2092 / useTransferMessages (deriv-com#11954)

* feat: hook outline

* refactor: logic expansion

* refactor: logic expansion

* refactor: expansion

* refactor: improve code quality

* refactor: split split

* fix: build

* fix: logic

packages/wallets/src/features/cashier/modules/Transfer/components/TransferForm/TransferForm.tsx

@@ -6,6 +6,7 @@ import { useTransfer } from '../../provider';
 import type { TInitialTransferFormValues } from '../../types';
 import { TransferFormAmountInput } from '../TransferFormAmountInput';
 import { TransferFormDropdown } from '../TransferFormDropdown';
+import { TransferMessages } from '../TransferMessages';
 import './TransferForm.scss';
 
 const TransferForm = () => {
@@ -41,7 +42,7 @@ const TransferForm = () => {
                                     mobileAccountsListRef={mobileAccountsListRef}
                                 />
                             </div>
-                            <div style={{ height: '20px' }} />
+                            <TransferMessages />
                             <div className='wallets-transfer__fields-section'>
                                 <TransferFormAmountInput fieldName='toAmount' />
                                 <TransferFormDropdown

packages/wallets/src/features/cashier/modules/Transfer/components/TransferMessages/TransferMessages.scss

@@ -0,0 +1,3 @@
+.wallets-transfer-messages {
+    min-height: 2rem;
+}

packages/wallets/src/features/cashier/modules/Transfer/components/TransferMessages/TransferMessages.tsx

@@ -0,0 +1,22 @@
+import React from 'react';
+import { useFormikContext } from 'formik';
+import { FadedAnimatedList, WalletAlertMessage } from '../../../../../../components';
+import { useTransferMessages } from '../../hooks';
+import { TInitialTransferFormValues } from '../../types';
+import './TransferMessages.scss';
+
+const TransferMessages = () => {
+    const { values } = useFormikContext<TInitialTransferFormValues>();
+
+    const messages = useTransferMessages(values.fromAccount, values.toAccount, values);
+
+    return (
+        <FadedAnimatedList className='wallets-transfer-messages'>
+            {messages.map(message => (
+                <WalletAlertMessage key={message.text + message.type} message={message.text} type={message.type} />
+            ))}
+        </FadedAnimatedList>
+    );
+};
+
+export default TransferMessages;

packages/wallets/src/features/cashier/modules/Transfer/components/TransferMessages/index.ts

@@ -0,0 +1 @@
+export { default as TransferMessages } from './TransferMessages';

packages/wallets/src/features/cashier/modules/Transfer/hooks/index.ts

@@ -1,2 +1,3 @@
 export { default as useExtendedTransferAccountProperties } from './useExtendedTransferAccountProperties';
 export { default as useSortedTransferAccounts } from './useSortedTransferAccounts';
+export { default as useTransferMessages } from './useTransferMessages';

packages/wallets/src/features/cashier/modules/Transfer/hooks/useTransferMessages/index.ts

@@ -0,0 +1,3 @@
+import useTransferMessages from './useTransferMessages';
+
+export default useTransferMessages;

packages/wallets/src/features/cashier/modules/Transfer/hooks/useTransferMessages/types/index.ts

@@ -0,0 +1 @@
+export * from './types';

packages/wallets/src/features/cashier/modules/Transfer/hooks/useTransferMessages/types/types.ts

@@ -0,0 +1,17 @@
+import { THooks } from '../../../../../../../types';
+import { TAccount } from '../../../types';
+
+export type TMessage = {
+    text: string;
+    type: 'error' | 'success';
+};
+
+export type TMessageFnProps = {
+    activeWallet: THooks.ActiveWalletAccount;
+    displayMoney?: (amount: number, currency: string, fractionalDigits: number) => string;
+    exchangeRates?: THooks.ExchangeRate;
+    limits?: THooks.AccountLimits;
+    sourceAccount: NonNullable<TAccount>;
+    sourceAmount: number;
+    targetAccount: NonNullable<TAccount>;
+};

packages/wallets/src/features/cashier/modules/Transfer/hooks/useTransferMessages/useTransferMessages.ts

@@ -0,0 +1,110 @@
+import { useCallback, useEffect, useState } from 'react';
+import { useAccountLimits, useActiveWalletAccount, useAuthorize, useExchangeRate, usePOI } from '@deriv/api';
+import { displayMoney as displayMoney_ } from '@deriv/api/src/utils';
+import { THooks } from '../../../../../../types';
+import { TAccount, TInitialTransferFormValues } from '../../types';
+import {
+    cumulativeAccountLimitsMessageFn,
+    lifetimeAccountLimitsBetweenWalletsMessageFn,
+} from './utils/messageFunctions';
+import { TMessage, TMessageFnProps } from './types';
+
+const useTransferMessages = (
+    fromAccount: NonNullable<TAccount> | undefined,
+    toAccount: NonNullable<TAccount> | undefined,
+    formData: TInitialTransferFormValues
+) => {
+    const { data: authorizeData } = useAuthorize();
+    const { data: activeWallet } = useActiveWalletAccount();
+    const { preferred_language: preferredLanguage } = authorizeData;
+    const { data: poi } = usePOI();
+    const { data: accountLimits } = useAccountLimits();
+    const { data: exchangeRatesRaw, subscribe, unsubscribe } = useExchangeRate();
+
+    const [exchangeRates, setExchangeRates] = useState<THooks.ExchangeRate>();
+
+    const isTransferBetweenWallets =
+        fromAccount?.account_category === 'wallet' && toAccount?.account_category === 'wallet';
+    const isAccountVerified = poi?.is_verified;
+
+    useEffect(
+        () => setExchangeRates(prev => ({ ...prev, rates: { ...prev?.rates, ...exchangeRatesRaw?.rates } })),
+        [exchangeRatesRaw?.rates]
+    );
+
+    useEffect(() => {
+        if (!fromAccount?.currency || !toAccount?.currency || !activeWallet?.currency || !activeWallet?.loginid) return;
+        unsubscribe();
+        if (!isAccountVerified && isTransferBetweenWallets) {
+            subscribe({
+                base_currency: activeWallet.currency,
+                loginid: activeWallet.loginid,
+                target_currency:
+                    activeWallet.loginid === fromAccount.loginid ? toAccount.currency : fromAccount.currency,
+            });
+        } else {
+            subscribe({
+                base_currency: 'USD',
+                loginid: activeWallet.loginid,
+                target_currency: toAccount.currency,
+            });
+            if (fromAccount.currency !== toAccount.currency)
+                subscribe({
+                    base_currency: 'USD',
+                    loginid: activeWallet.loginid,
+                    target_currency: fromAccount.currency,
+                });
+            return unsubscribe;
+        }
+    }, [
+        activeWallet?.currency,
+        activeWallet?.loginid,
+        fromAccount?.currency,
+        fromAccount?.loginid,
+        isAccountVerified,
+        isTransferBetweenWallets,
+        subscribe,
+        toAccount?.currency,
+        unsubscribe,
+    ]);
+
+    const displayMoney = useCallback(
+        (amount: number, currency: string, fractionalDigits: number) =>
+            displayMoney_(amount, currency, {
+                fractional_digits: fractionalDigits,
+                preferred_language: preferredLanguage,
+            }),
+        [preferredLanguage]
+    );
+
+    if (!activeWallet || !fromAccount || !toAccount) return [];
+
+    const sourceAmount = formData.fromAmount;
+
+    const messageFns: ((props: TMessageFnProps) => TMessage | null)[] = [];
+    const messages: TMessage[] = [];
+
+    if (isAccountVerified || (!isAccountVerified && !isTransferBetweenWallets)) {
+        messageFns.push(cumulativeAccountLimitsMessageFn);
+    }
+    if (!isAccountVerified && isTransferBetweenWallets) {
+        messageFns.push(lifetimeAccountLimitsBetweenWalletsMessageFn);
+    }
+
+    messageFns.forEach(messageFn => {
+        const message = messageFn({
+            activeWallet,
+            displayMoney,
+            exchangeRates,
+            limits: accountLimits,
+            sourceAccount: fromAccount,
+            sourceAmount,
+            targetAccount: toAccount,
+        });
+        if (message) messages.push(message);
+    });
+
+    return messages;
+};
+
+export default useTransferMessages;

packages/wallets/src/features/cashier/modules/Transfer/hooks/useTransferMessages/utils/messageFunctions.ts

@@ -0,0 +1,177 @@
+import { TMessageFnProps } from '../types';
+
+// this function should work once BE WALL-1440 is delivered
+const lifetimeAccountLimitsBetweenWalletsMessageFn = ({
+    activeWallet,
+    displayMoney,
+    exchangeRates,
+    limits,
+    sourceAccount,
+    sourceAmount,
+    targetAccount,
+}: TMessageFnProps) => {
+    if (sourceAccount?.account_category !== 'wallet' || targetAccount?.account_category !== 'wallet') return null;
+
+    const sourceWalletType = sourceAccount.account_type === 'crypto' ? 'crypto' : 'fiat';
+    const targetWalletType = targetAccount.account_type === 'crypto' ? 'crypto' : 'fiat';
+    const limitsCaseKey = `${sourceWalletType}_to_${targetWalletType}` as const;
+
+    //@ts-expect-error needs backend type
+    const allowedSumActiveWalletCurrency = limits?.lifetime_transfers?.[limitsCaseKey].allowed as number;
+    //@ts-expect-error needs backend type
+    const availableSumActiveWalletCurrency = limits?.lifetime_transfers?.[limitsCaseKey].available as number;
+
+    if (
+        !sourceAccount.currency ||
+        !exchangeRates?.rates?.[sourceAccount.currency] ||
+        !targetAccount.currency ||
+        !exchangeRates?.rates?.[targetAccount.currency] ||
+        !sourceAccount.currencyConfig ||
+        !targetAccount.currencyConfig
+    )
+        return null;
+
+    const transferDirection = activeWallet.loginid === sourceAccount.loginid ? 'from' : 'to';
+
+    const allowedSumConverted =
+        allowedSumActiveWalletCurrency *
+        (exchangeRates?.rates[transferDirection === 'from' ? targetAccount.currency : sourceAccount.currency] ?? 1);
+    const availableSumConverted =
+        availableSumActiveWalletCurrency *
+        (exchangeRates?.rates[transferDirection === 'from' ? targetAccount.currency : sourceAccount.currency] ?? 1);
+
+    const sourceCurrencyLimit = transferDirection === 'from' ? allowedSumActiveWalletCurrency : allowedSumConverted;
+    const targetCurrencyLimit = transferDirection === 'from' ? allowedSumConverted : allowedSumActiveWalletCurrency;
+
+    const sourceCurrencyRemainder =
+        transferDirection === 'from' ? availableSumActiveWalletCurrency : availableSumConverted;
+    const targetCurrencyRemainder =
+        transferDirection === 'from' ? availableSumConverted : availableSumActiveWalletCurrency;
+
+    const formattedSourceCurrencyLimit = displayMoney?.(
+        sourceCurrencyLimit,
+        sourceAccount.currencyConfig.display_code,
+        sourceAccount.currencyConfig.fractional_digits
+    );
+    const formattedTargetCurrencyLimit = displayMoney?.(
+        targetCurrencyLimit,
+        targetAccount.currencyConfig.display_code,
+        targetAccount.currencyConfig?.fractional_digits
+    );
+
+    const formattedSourceCurrencyRemainder = displayMoney?.(
+        sourceCurrencyRemainder,
+        sourceAccount.currencyConfig.display_code,
+        sourceAccount.currencyConfig.fractional_digits
+    );
+    const formattedTargetCurrencyRemainder = displayMoney?.(
+        targetCurrencyRemainder,
+        targetAccount.currencyConfig?.display_code,
+        targetAccount.currencyConfig?.fractional_digits
+    );
+
+    if (availableSumActiveWalletCurrency === 0)
+        return {
+            text: `You've reached the lifetime transfer limit from your ${sourceAccount.accountName} to any ${targetWalletType} Wallet. Verify your account to upgrade the limit.`,
+            type: 'error' as const,
+        };
+
+    if (allowedSumActiveWalletCurrency === availableSumActiveWalletCurrency)
+        return {
+            text: `The lifetime transfer limit from ${sourceAccount.accountName} to any ${targetWalletType} Wallet is ${formattedSourceCurrencyLimit} (${formattedTargetCurrencyLimit}).`,
+            type: sourceAmount > sourceCurrencyRemainder ? ('error' as const) : ('success' as const),
+        };
+
+    return {
+        text: `Remaining lifetime transfer limit is ${formattedSourceCurrencyRemainder} (${formattedTargetCurrencyRemainder}). Verify your account to upgrade the limit.`,
+        type: sourceAmount > sourceCurrencyRemainder ? ('error' as const) : ('success' as const),
+    };
+};
+
+const cumulativeAccountLimitsMessageFn = ({
+    displayMoney,
+    exchangeRates,
+    limits,
+    sourceAccount,
+    sourceAmount,
+    targetAccount,
+}: TMessageFnProps) => {
+    const isTransferBetweenWallets =
+        sourceAccount.account_category === 'wallet' && targetAccount.account_category === 'wallet';
+    const isSameCurrency = sourceAccount.currency === targetAccount.currency;
+
+    const keyAccountType =
+        [sourceAccount, targetAccount].find(acc => acc.account_category !== 'wallet')?.account_type ?? 'wallets';
+
+    const platformKey = keyAccountType === 'standard' ? 'dtrade' : keyAccountType;
+
+    //@ts-expect-error needs backend type
+    const allowedSumUSD = limits?.daily_cumulative_amount_transfers?.[platformKey].allowed as number;
+    //@ts-expect-error needs backend type
+    const availableSumUSD = limits?.daily_cumulative_amount_transfers?.[platformKey].available as number;
+
+    if (
+        !sourceAccount.currency ||
+        !exchangeRates?.rates?.[sourceAccount.currency] ||
+        !targetAccount.currency ||
+        !exchangeRates?.rates?.[targetAccount.currency] ||
+        !sourceAccount.currencyConfig ||
+        !targetAccount.currencyConfig
+    )
+        return null;
+
+    const sourceCurrencyLimit = allowedSumUSD * (exchangeRates.rates[sourceAccount.currency] ?? 1);
+    const targetCurrencyLimit = allowedSumUSD * (exchangeRates.rates[targetAccount.currency] ?? 1);
+
+    const sourceCurrencyRemainder = availableSumUSD * (exchangeRates.rates[sourceAccount.currency] ?? 1);
+    const targetCurrencyRemainder = availableSumUSD * (exchangeRates.rates[targetAccount.currency] ?? 1);
+
+    const formattedSourceCurrencyLimit = displayMoney?.(
+        sourceCurrencyLimit,
+        sourceAccount.currencyConfig.display_code,
+        sourceAccount.currencyConfig.fractional_digits
+    );
+    const formattedTargetCurrencyLimit = displayMoney?.(
+        targetCurrencyLimit,
+        targetAccount.currencyConfig.display_code,
+        targetAccount.currencyConfig?.fractional_digits
+    );
+
+    const formattedSourceCurrencyRemainder = displayMoney?.(
+        sourceCurrencyRemainder,
+        sourceAccount.currencyConfig.display_code,
+        sourceAccount.currencyConfig.fractional_digits
+    );
+    const formattedTargetCurrencyRemainder = displayMoney?.(
+        targetCurrencyRemainder,
+        targetAccount.currencyConfig?.display_code,
+        targetAccount.currencyConfig?.fractional_digits
+    );
+
+    if (availableSumUSD === 0)
+        return {
+            text: `You have reached your daily transfer limit of ${formattedSourceCurrencyLimit} ${
+                !isSameCurrency ? ` (${formattedTargetCurrencyLimit})` : ''
+            } between your ${
+                isTransferBetweenWallets ? 'Wallets' : `${sourceAccount.accountName} and ${targetAccount.accountName}`
+            }. The limit will reset at 00:00 GMT.`,
+            type: 'error' as const,
+        };
+
+    if (allowedSumUSD === availableSumUSD)
+        return {
+            text: `The daily transfer limit between your ${
+                isTransferBetweenWallets ? 'Wallets' : `${sourceAccount.accountName} and ${targetAccount.accountName}`
+            } is ${formattedSourceCurrencyLimit}${!isSameCurrency ? ` (${formattedTargetCurrencyLimit})` : ''}.`,
+            type: sourceAmount > sourceCurrencyRemainder ? ('error' as const) : ('success' as const),
+        };
+
+    return {
+        text: `The remaining daily transfer limit between ${
+            isTransferBetweenWallets ? 'Wallets' : `your ${sourceAccount.accountName} and ${targetAccount.accountName}`
+        } is ${formattedSourceCurrencyRemainder}${!isSameCurrency ? ` (${formattedTargetCurrencyRemainder})` : ''}.`,
+        type: sourceAmount > sourceCurrencyRemainder ? ('error' as const) : ('success' as const),
+    };
+};
+
+export { cumulativeAccountLimitsMessageFn, lifetimeAccountLimitsBetweenWalletsMessageFn };

packages/wallets/src/types.ts

@@ -1,4 +1,5 @@
 import type {
+    useAccountLimits,
     useActiveAccount,
     useActiveTradingAccount,
     useActiveWalletAccount,
@@ -28,6 +29,7 @@ import type {
 
 // eslint-disable-next-line  @typescript-eslint/no-namespace
 export namespace THooks {
+    export type AccountLimits = NonNullable<ReturnType<typeof useAccountLimits>['data']>;
     export type Authentication = NonNullable<ReturnType<typeof useAuthentication>['data']>;
     export type AvailableMT5Accounts = NonNullable<ReturnType<typeof useAvailableMT5Accounts>['data']>[number];
     export type CreateWallet = NonNullable<ReturnType<typeof useCreateWallet>['data']>;