mirror of
https://github.com/HamzaSha1/zod-backend.git
synced 2026-03-10 17:11:44 +00:00
6d6dc1471f
- Introduced optional timezone fields in User and Device entities to store user preferences and device timezones. - Updated request DTOs for login and user updates to include timezone information. - Enhanced AuthService to handle timezone during device registration and updates. - Added migration to incorporate timezone fields in the database schema.
112 lines
3.1 KiB
TypeScript
112 lines
3.1 KiB
TypeScript
/**
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* Currency utility functions
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* Handles currency code mapping and formatting
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*/
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/**
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* ISO 4217 numeric currency codes to ISO currency code mapping
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* Common codes used in the system:
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* - 682: SAR (Saudi Riyal)
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* - 900: USD (US Dollar) - if used
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* - 784: AED (UAE Dirham)
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* - 414: KWD (Kuwaiti Dinar)
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* - 512: OMR (Omani Rial)
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* - 048: BHD (Bahraini Dinar)
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* - 400: JOD (Jordanian Dinar)
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*/
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export const NUMERIC_TO_CURRENCY_CODE: Record<string, string> = {
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'682': 'SAR',
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'900': 'USD',
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'784': 'AED',
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'414': 'KWD',
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'512': 'OMR',
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'048': 'BHD',
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'400': 'JOD',
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'586': 'PKR',
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};
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/**
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* Currency decimal places mapping
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* ISO 4217 standard decimal places for each currency
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*/
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export const CURRENCY_DECIMAL_PLACES: Record<string, number> = {
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'SAR': 2, // Saudi Riyal
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'USD': 2, // US Dollar
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'AED': 2, // UAE Dirham
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'KWD': 3, // Kuwaiti Dinar
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'OMR': 3, // Omani Rial
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'BHD': 3, // Bahraini Dinar
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'JOD': 3, // Jordanian Dinar
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'PKR': 2, // Pakistani Rupee
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'JPY': 0, // Japanese Yen (if used)
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'KRW': 0, // South Korean Won (if used)
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};
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/**
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* Convert numeric currency code to ISO currency code
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* @param numericCode - Numeric currency code (e.g., '682')
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* @returns ISO currency code (e.g., 'SAR') or the original code if not found
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*/
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export function numericToCurrencyCode(numericCode: string | null | undefined): string {
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if (!numericCode) {
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return 'SAR'; // Default fallback
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}
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// If already an ISO code (3 letters), return as is
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if (/^[A-Z]{3}$/.test(numericCode)) {
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return numericCode;
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}
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// Map numeric code to ISO code
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return NUMERIC_TO_CURRENCY_CODE[numericCode] || numericCode;
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}
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/**
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* Format amount based on currency decimal places
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* @param amount - Amount to format (number or string)
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* @param currency - ISO currency code (e.g., 'SAR', 'KWD')
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* @returns Formatted amount string
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*/
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export function formatCurrencyAmount(amount: number | string, currency: string): string {
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const numAmount = typeof amount === 'string' ? parseFloat(amount) : amount;
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if (isNaN(numAmount)) {
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return '0';
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}
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const decimalPlaces = CURRENCY_DECIMAL_PLACES[currency] ?? 2;
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return numAmount.toFixed(decimalPlaces);
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}
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/**
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* Get currency from account or transaction, with fallback
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* @param accountCurrency - Currency from account entity (may be numeric like '682')
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* @param transactionCurrency - Currency from transaction entity (may be numeric)
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* @param fallback - Fallback currency (default: 'SAR')
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* @returns ISO currency code
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*/
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export function getCurrency(
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accountCurrency?: string | null,
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transactionCurrency?: string | null,
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fallback: string = 'SAR'
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): string {
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// Convert account currency first (it may be numeric like '682')
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if (accountCurrency) {
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const converted = numericToCurrencyCode(accountCurrency);
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if (converted && converted !== accountCurrency) {
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return converted; // Successfully converted from numeric to ISO
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}
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// If already ISO format, return as is
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if (/^[A-Z]{3}$/.test(accountCurrency)) {
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return accountCurrency;
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}
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}
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// Convert transaction currency (may be numeric)
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if (transactionCurrency) {
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return numericToCurrencyCode(transactionCurrency);
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}
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return fallback;
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}
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