chore: setup project for production
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150
app/contexts/currencyContext.js
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150
app/contexts/currencyContext.js
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"use client";
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import React, { createContext, useContext, useState, useEffect } from "react";
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const CurrencyContext = createContext();
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export const SUPPORTED_CURRENCIES = {
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INR: { symbol: "₹", name: "Indian Rupee", country: "India" },
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MYR: { symbol: "RM", name: "Malaysian Ringgit", country: "Malaysia" },
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NPR: { symbol: "रू", name: "Nepalese Rupee", country: "Nepal" },
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};
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export const CurrencyProvider = ({ children }) => {
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const [selectedCurrency, setSelectedCurrency] = useState("INR");
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const [exchangeRates, setExchangeRates] = useState(null);
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const [isLoading, setIsLoading] = useState(true);
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const [error, setError] = useState(null);
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const fetchExchangeRates = async () => {
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try {
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setIsLoading(true);
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setError(null);
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const cachedData = localStorage.getItem("exchangeRates");
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const cached = cachedData ? JSON.parse(cachedData) : null;
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if (
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cached &&
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new Date().getTime() - cached.timestamp < 24 * 60 * 60 * 1000
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) {
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setExchangeRates(cached.rates);
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setIsLoading(false);
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return;
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}
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const currencies = Object.keys(SUPPORTED_CURRENCIES)
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.filter((key) => key !== "INR")
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.join(",");
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const response = await fetch(
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`https://apilayer.net/api/live?access_key=9bcb30907dee1cda9866f7b49f0f8def¤cies=${currencies}&source=INR&format=1`
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);
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if (!response.ok) {
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throw new Error("Failed to fetch exchange rates");
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}
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const data = await response.json();
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if (!data.success) {
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throw new Error(data.error?.info || "API request failed");
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}
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const rates = Object.keys(SUPPORTED_CURRENCIES).reduce(
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(acc, currency) => {
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if (currency === "INR") {
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acc[currency] = 1;
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} else {
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const rate = data.quotes?.[`INR${currency}`];
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acc[currency] = rate || null;
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}
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return acc;
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},
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{}
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);
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const ratesData = {
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rates,
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timestamp: data.timestamp * 1000,
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};
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localStorage.setItem("exchangeRates", JSON.stringify(ratesData));
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setExchangeRates(rates);
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} catch (err) {
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setError("Error fetching exchange rates");
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console.error("Exchange rate fetch error:", err);
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} finally {
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setIsLoading(false);
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}
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};
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const convertPrice = (price) => {
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if (!price || typeof price !== "number") return price;
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if (!exchangeRates || !exchangeRates[selectedCurrency]) return price;
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if (selectedCurrency === "INR") return price;
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try {
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const rate = exchangeRates[selectedCurrency];
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return rate ? Number((price * rate).toFixed(2)) : price;
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} catch (err) {
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console.error("Price conversion error:", err);
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return price;
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}
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};
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const formatPrice = (price) => {
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const convertedPrice = convertPrice(price);
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if (typeof convertedPrice !== "number")
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return `${SUPPORTED_CURRENCIES[selectedCurrency].symbol}0.00`;
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try {
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return new Intl.NumberFormat(getLocaleFromCurrency(selectedCurrency), {
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style: "currency",
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currency: selectedCurrency,
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}).format(convertedPrice);
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} catch (err) {
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return `${
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SUPPORTED_CURRENCIES[selectedCurrency].symbol
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}${convertedPrice.toFixed(2)}`;
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}
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};
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const getLocaleFromCurrency = (currency) => {
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const localeMap = {
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INR: "en-IN",
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MYR: "ms-MY",
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NPR: "ne-NP",
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};
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return localeMap[currency] || "en-US";
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};
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useEffect(() => {
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fetchExchangeRates();
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const interval = setInterval(fetchExchangeRates, 24 * 60 * 60 * 1000);
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return () => clearInterval(interval);
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}, []);
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const value = {
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selectedCurrency,
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setSelectedCurrency,
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convertPrice,
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formatPrice,
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isLoading,
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error,
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SUPPORTED_CURRENCIES,
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refreshRates: fetchExchangeRates,
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};
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return (
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<CurrencyContext.Provider value={value}>
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{children}
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</CurrencyContext.Provider>
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);
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};
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export const useCurrency = () => {
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const context = useContext(CurrencyContext);
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if (!context) {
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throw new Error('useCurrency must be used within a CurrencyProvider');
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}
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return context;
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};
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