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https://github.com/tiennm99/exchange-rate-export.git
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build(deps): bump picomatch
Bumps and [picomatch](https://github.com/micromatch/picomatch). These dependencies needed to be updated together. Updates `picomatch` from 2.3.1 to 2.3.2 - [Release notes](https://github.com/micromatch/picomatch/releases) - [Changelog](https://github.com/micromatch/picomatch/blob/master/CHANGELOG.md) - [Commits](https://github.com/micromatch/picomatch/compare/2.3.1...2.3.2) Updates `picomatch` from 4.0.2 to 4.0.4 - [Release notes](https://github.com/micromatch/picomatch/releases) - [Changelog](https://github.com/micromatch/picomatch/blob/master/CHANGELOG.md) - [Commits](https://github.com/micromatch/picomatch/compare/2.3.1...2.3.2) --- updated-dependencies: - dependency-name: picomatch dependency-version: 2.3.2 dependency-type: indirect - dependency-name: picomatch dependency-version: 4.0.4 dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com>
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+120
-119
@@ -3,102 +3,80 @@ import axios from "axios";
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import https from "https";
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import crypto from "crypto";
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// Configure axios with legacy SSL support
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const axiosInstance = axios.create({
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httpsAgent: new https.Agent({
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secureOptions: crypto.constants.SSL_OP_LEGACY_SERVER_CONNECT,
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}),
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});
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const DISPLAY_DATE_FORMAT = "yyyy-MM-dd";
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const PARALLEL_CHUNK_SIZE = 5;
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const MAX_RETRIES = 2;
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const INITIAL_BACKOFF_MS = 500;
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// Retry a function with exponential backoff
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async function withRetry(fn, retries = MAX_RETRIES) {
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for (let attempt = 0; attempt <= retries; attempt++) {
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try {
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return await fn();
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} catch (error) {
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if (attempt === retries) throw error;
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const delay = INITIAL_BACKOFF_MS * Math.pow(2, attempt);
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await new Promise((resolve) => setTimeout(resolve, delay));
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}
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}
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}
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async function fetchBIDVRates(dateObj, currency) {
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// Helper function to fetch BIDV exchange rates
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async function fetchBIDVRates(dateObj) {
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const dateStr = format(dateObj, "dd/MM/yyyy");
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try {
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// First API call to get namerecord
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const timeUrl = `https://bidv.com.vn/ServicesBIDV/ExchangeDetailSearchTimeServlet?date=${dateStr}`;
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const timeRes = await withRetry(() => axiosInstance.get(timeUrl));
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const timeRes = await axiosInstance.get(timeUrl);
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const timeData = timeRes.data;
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if (timeData.status !== 1 || !timeData.data?.length) return null;
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// Get the latest record
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const latest = timeData.data.reduce(
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(best, current) => (current.time > best.time ? current : best),
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(latest, current) => (current.time > latest.time ? current : latest),
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timeData.data[0]
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);
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// Second API call to get exchange rates
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const rateUrl = `https://bidv.com.vn/ServicesBIDV/ExchangeDetailServlet?date=${dateStr}&time=${latest.namerecord}`;
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const rateRes = await withRetry(() => axiosInstance.get(rateUrl));
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const rateRes = await axiosInstance.get(rateUrl);
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const rateData = rateRes.data;
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if (rateData.status !== 1 || !rateData.data) return null;
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const displayDate = format(dateObj, DISPLAY_DATE_FORMAT);
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const items = currency === "ALL"
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? rateData.data
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: rateData.data.filter((item) => item.currency === currency);
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if (items.length === 0) return null;
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return items.map((item) => ({
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date: displayDate,
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nameVI: item.nameVI || "",
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muaTm: item.muaTm || "",
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muaCk: item.muaCk || "",
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currency: item.currency || "",
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nameEN: item.nameEN || "",
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ban: item.ban || "",
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}));
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// Find USD data
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const usd = rateData.data.find((item) => item.currency === "USD");
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if (!usd) return null;
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return {
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date: dateStr,
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nameVI: usd.nameVI || "",
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muaTm: usd.muaTm || "",
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muaCk: usd.muaCk || "",
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currency: usd.currency || "USD",
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nameEN: usd.nameEN || "",
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ban: usd.ban || "",
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};
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} catch (error) {
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console.error("Error fetching BIDV rates:", error.message);
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console.error("Error fetching BIDV rates:", error);
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return null;
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}
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}
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async function fetchTCBRates(dateObj, currency) {
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// Helper function to fetch TCB exchange rates
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async function fetchTCBRates(dateObj) {
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const dateStr = format(dateObj, "yyyy-MM-dd");
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const url = `https://techcombank.com/content/techcombank/web/vn/vi/cong-cu-tien-ich/ty-gia/_jcr_content.exchange-rates.${dateStr}.integration.json`;
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try {
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const res = await withRetry(() => axiosInstance.get(url));
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const res = await axiosInstance.get(url);
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const data = res.data;
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if (!data.exchangeRate?.data) return null;
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const items = currency === "ALL"
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? data.exchangeRate.data
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: data.exchangeRate.data.filter((item) => item.sourceCurrency === currency);
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if (items.length === 0) return null;
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return items.map((item) => ({
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// Find USD data
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const usd = data.exchangeRate.data.find(
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(item) => item.label === "USD (50,100)"
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);
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if (!usd) return null;
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return {
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date: dateStr,
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label: item.label || "",
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askRate: item.askRate || "",
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bidRateCK: item.bidRateCK || "",
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bidRateTM: item.bidRateTM || "",
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sourceCurrency: item.sourceCurrency || "",
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targetCurrency: item.targetCurrency || "",
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askRateTM: item.askRateTM || "",
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}));
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label: usd.label || "",
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askRate: usd.askRate || "",
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bidRateCK: usd.bidRateCK || "",
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bidRateTM: usd.bidRateTM || "",
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sourceCurrency: usd.sourceCurrency || "",
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targetCurrency: usd.targetCurrency || "",
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askRateTM: usd.askRateTM || "",
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};
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} catch (error) {
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console.error("Error fetching TCB rates:", error.message);
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console.error("Error fetching TCB rates:", error);
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return null;
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}
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}
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function fetchRateForDate(dateObj, bank, currency) {
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return bank === "bidv" ? fetchBIDVRates(dateObj, currency) : fetchTCBRates(dateObj, currency);
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}
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// Get date range between start and end dates
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function getDateRange(start, end) {
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const dates = [];
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let current = new Date(start);
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@@ -110,82 +88,105 @@ function getDateRange(start, end) {
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return dates;
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}
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// Search backwards for the most recent available rate
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async function getPreviousDayRate(date, bank, currency, rateCache, maxAttempts = 30) {
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// Helper function to get previous business day rate with recursive search
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async function getPreviousDayRate(date, bank, rateCache, maxAttempts = 30) {
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let currentDate = new Date(date);
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for (let attempt = 0; attempt < maxAttempts; attempt++) {
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for (let attempt = 1; attempt <= maxAttempts; attempt++) {
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currentDate.setDate(currentDate.getDate() - 1);
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const dateStr = format(currentDate, "yyyy-MM-dd");
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const dateStr = format(currentDate, 'yyyy-MM-dd');
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// Try to find in cache first
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if (rateCache.has(dateStr)) {
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return rateCache.get(dateStr);
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}
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const rates = await fetchRateForDate(currentDate, bank, currency);
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if (rates) {
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rateCache.set(dateStr, rates);
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return rates;
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}
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}
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return null;
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}
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// Fetch a chunk of dates in parallel, filling gaps with previous day data
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async function fetchChunk(dates, bank, currency, rateCache) {
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const settled = await Promise.allSettled(
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dates.map((date) => fetchRateForDate(date, bank, currency))
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);
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const results = [];
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for (let i = 0; i < dates.length; i++) {
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const date = dates[i];
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const dateStr = format(date, "yyyy-MM-dd");
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const outcome = settled[i];
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let rates = outcome.status === "fulfilled" ? outcome.value : null;
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if (rates) {
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rateCache.set(dateStr, rates);
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results.push(...rates);
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} else {
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// Weekend/holiday/error — fill with most recent available rate
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const prevRates = await getPreviousDayRate(date, bank, currency, rateCache);
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if (prevRates) {
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const displayDate = format(date, DISPLAY_DATE_FORMAT);
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results.push(...prevRates.map((r) => ({ ...r, date: displayDate })));
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// Fetch from API
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let rate = null;
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try {
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if (bank === "bidv") {
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rate = await fetchBIDVRates(currentDate);
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} else if (bank === "tcb") {
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rate = await fetchTCBRates(currentDate);
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}
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if (rate) {
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rateCache.set(dateStr, rate);
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return rate;
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}
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} catch (error) {
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console.error(`Error fetching rates for ${dateStr}:`, error);
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}
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}
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return results;
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return null;
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}
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export async function POST(request) {
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try {
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const body = await request.json();
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const { startDate, endDate, bank, currency = "USD" } = body;
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const { startDate, endDate, bank } = body;
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if (!startDate || !endDate || !bank) {
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return Response.json(
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{ error: "Missing required parameters" },
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{ status: 400 }
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return new Response(
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JSON.stringify({ error: "Missing required parameters" }),
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{ status: 400, headers: { "Content-Type": "application/json" } }
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);
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}
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const dates = getDateRange(startDate, endDate);
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const rateCache = new Map();
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const results = [];
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// Process dates in parallel chunks to avoid overwhelming upstream APIs
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for (let i = 0; i < dates.length; i += PARALLEL_CHUNK_SIZE) {
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const chunk = dates.slice(i, i + PARALLEL_CHUNK_SIZE);
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const chunkResults = await fetchChunk(chunk, bank, currency, rateCache);
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results.push(...chunkResults);
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const rateCache = new Map(); // Cache to store rates we've fetched
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for (const date of dates) {
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let rate = null;
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const dateStr = format(date, 'yyyy-MM-dd');
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try {
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if (bank === "bidv") {
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rate = await fetchBIDVRates(date);
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} else if (bank === "tcb") {
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rate = await fetchTCBRates(date);
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}
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if (rate) {
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results.push(rate);
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rateCache.set(dateStr, rate);
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} else {
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// No data for this date (likely weekend), try to get previous day's data
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const prevRate = await getPreviousDayRate(date, bank, rateCache);
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if (prevRate) {
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// Create a new rate object with current date but previous day's data
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const filledRate = {
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...prevRate,
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date: bank === "bidv" ? format(date, 'dd/MM/yyyy') : dateStr
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};
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results.push(filledRate);
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} else {
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}
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}
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} catch (error) {
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console.error(`Error fetching rates for ${date}:`, error);
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// Try to fill with previous day's data even on error
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const prevRate = await getPreviousDayRate(date, bank, rateCache);
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if (prevRate) {
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const filledRate = {
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...prevRate,
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date: bank === "bidv" ? format(date, 'dd/MM/yyyy') : dateStr
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};
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results.push(filledRate);
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}
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}
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}
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return Response.json({ data: results, total: dates.length, chunks: Math.ceil(dates.length / PARALLEL_CHUNK_SIZE) });
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return new Response(JSON.stringify({ data: results }), {
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status: 200,
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headers: { "Content-Type": "application/json" },
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});
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} catch (error) {
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console.error("Server error:", error);
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return Response.json(
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{ error: "Internal server error" },
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{ status: 500 }
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);
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return new Response(JSON.stringify({ error: "Internal server error" }), {
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status: 500,
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headers: { "Content-Type": "application/json" },
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});
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}
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}
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@@ -1,454 +1,274 @@
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"use client";
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import React, { useState, useEffect, useCallback } from "react";
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import React, { useState } from "react";
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import DatePicker from "react-datepicker";
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import "react-datepicker/dist/react-datepicker.css";
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import { format, subDays, startOfMonth, isSameDay, differenceInCalendarDays } from "date-fns";
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import * as XLSX from "xlsx";
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import { LoadingSpinner, ErrorMessage, EmptyState } from "./exchange-rate-status";
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import { RateTable, ComparisonTable } from "./exchange-rate-table";
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import { RateTrendChart } from "./exchange-rate-chart";
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import { parse, isDate, format } from "date-fns";
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// Read state from URL search params (takes priority over localStorage)
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function loadFromUrl() {
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if (typeof window === "undefined") return null;
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const params = new URLSearchParams(window.location.search);
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const bank = params.get("bank");
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const currency = params.get("currency");
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const start = params.get("start");
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const end = params.get("end");
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if (!bank && !currency && !start && !end) return null;
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return {
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bank: bank || null,
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currency: currency || null,
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startDate: start ? new Date(start) : null,
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endDate: end ? new Date(end) : null,
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};
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}
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function loadSavedSettings() {
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if (typeof window === "undefined") return null;
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try {
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const saved = localStorage.getItem("exchangeRateSettings");
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if (!saved) return null;
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const parsed = JSON.parse(saved);
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return {
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bank: parsed.bank || "bidv",
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currency: parsed.currency || "USD",
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startDate: parsed.startDate ? new Date(parsed.startDate) : null,
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endDate: parsed.endDate ? new Date(parsed.endDate) : null,
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};
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} catch {
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return null;
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}
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}
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function saveSettings(bank, currency, startDate, endDate) {
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try {
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localStorage.setItem("exchangeRateSettings", JSON.stringify({
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bank,
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currency,
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startDate: startDate?.toISOString(),
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endDate: endDate?.toISOString(),
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}));
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} catch { /* ignore quota errors */ }
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||||
}
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const CURRENCY_OPTIONS = [
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"ALL", "USD", "EUR", "GBP", "JPY", "AUD",
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"CAD", "CHF", "SGD", "THB", "HKD", "CNY", "KRW",
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];
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|
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const DATE_PRESETS = [
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{ label: "Today", start: () => new Date(), end: () => new Date() },
|
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{ label: "Last 7 days", start: () => subDays(new Date(), 7), end: () => new Date() },
|
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{ label: "Last 30 days", start: () => subDays(new Date(), 30), end: () => new Date() },
|
||||
{ label: "This month", start: () => startOfMonth(new Date()), end: () => new Date() },
|
||||
];
|
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|
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function getActivePreset(startDate, endDate) {
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if (!startDate || !endDate) return null;
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for (const preset of DATE_PRESETS) {
|
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if (isSameDay(startDate, preset.start()) && isSameDay(endDate, preset.end())) {
|
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return preset.label;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
function applyTheme(value) {
|
||||
const root = document.documentElement;
|
||||
if (value === "system") {
|
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root.removeAttribute("data-theme");
|
||||
} else {
|
||||
root.setAttribute("data-theme", value);
|
||||
}
|
||||
}
|
||||
|
||||
const THEME_CYCLE = ["system", "light", "dark"];
|
||||
const THEME_LABELS = { system: "System", light: "Light", dark: "Dark" };
|
||||
|
||||
function SunIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M12 3v2.25m6.364.386-1.591 1.591M21 12h-2.25m-.386 6.364-1.591-1.591M12 18.75V21m-4.773-4.227-1.591 1.591M5.25 12H3m4.227-4.773L5.636 5.636M15.75 12a3.75 3.75 0 1 1-7.5 0 3.75 3.75 0 0 1 7.5 0Z" />
|
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</svg>
|
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export default function ExchangeRateViewer({
|
||||
defaultStartDate,
|
||||
defaultEndDate,
|
||||
}) {
|
||||
const [startDate, setStartDate] = useState(
|
||||
defaultStartDate
|
||||
? isDate(defaultStartDate)
|
||||
? defaultStartDate
|
||||
: parse(defaultStartDate, "yyyy-MM-dd", new Date())
|
||||
: null
|
||||
);
|
||||
}
|
||||
|
||||
function MoonIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M21.752 15.002A9.72 9.72 0 0 1 18 15.75c-5.385 0-9.75-4.365-9.75-9.75 0-1.33.266-2.597.748-3.752A9.753 9.753 0 0 0 3 11.25C3 16.635 7.365 21 12.75 21a9.753 9.753 0 0 0 9.002-5.998Z" />
|
||||
</svg>
|
||||
const [endDate, setEndDate] = useState(
|
||||
defaultEndDate
|
||||
? isDate(defaultEndDate)
|
||||
? defaultEndDate
|
||||
: parse(defaultEndDate, "yyyy-MM-dd", new Date())
|
||||
: null
|
||||
);
|
||||
}
|
||||
|
||||
function SystemIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M9 17.25v1.007a3 3 0 0 1-.879 2.122L7.5 21h9l-.621-.621A3 3 0 0 1 15 18.257V17.25m6-12V15a2.25 2.25 0 0 1-2.25 2.25H5.25A2.25 2.25 0 0 1 3 15V5.25A2.25 2.25 0 0 1 5.25 3h13.5A2.25 2.25 0 0 1 21 5.25Z" />
|
||||
</svg>
|
||||
);
|
||||
}
|
||||
|
||||
// Inline SVG icons (16x16) to avoid adding an icon library dependency
|
||||
function FetchIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M12 16.5V9.75m0 0 3 3m-3-3-3 3M6.75 19.5a4.5 4.5 0 0 1-1.41-8.775 5.25 5.25 0 0 1 10.233-2.33 3 3 0 0 1 3.758 3.848A3.752 3.752 0 0 1 18 19.5H6.75Z" />
|
||||
</svg>
|
||||
);
|
||||
}
|
||||
|
||||
function ExcelIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M3.375 19.5h17.25m-17.25 0a1.125 1.125 0 0 1-1.125-1.125M3.375 19.5h7.5c.621 0 1.125-.504 1.125-1.125m-9.75 0V5.625m0 12.75v-1.5c0-.621.504-1.125 1.125-1.125m18.375 2.625V5.625m0 12.75c0 .621-.504 1.125-1.125 1.125m1.125-1.125v-1.5c0-.621-.504-1.125-1.125-1.125m0 3.75h-7.5A1.125 1.125 0 0 1 12 18.375m9.75-12.75c0-.621-.504-1.125-1.125-1.125H3.375c-.621 0-1.125.504-1.125 1.125m19.5 0v1.5c0 .621-.504 1.125-1.125 1.125M2.25 5.625v1.5c0 .621.504 1.125 1.125 1.125m0 0h17.25m-17.25 0h7.5c.621 0 1.125.504 1.125 1.125M3.375 8.25c-.621 0-1.125.504-1.125 1.125v1.5c0 .621.504 1.125 1.125 1.125m17.25-3.75h-7.5c-.621 0-1.125.504-1.125 1.125m8.625-1.125c.621 0 1.125.504 1.125 1.125v1.5c0 .621-.504 1.125-1.125 1.125m-17.25 0h7.5m-7.5 0c-.621 0-1.125.504-1.125 1.125v1.5c0 .621.504 1.125 1.125 1.125M12 10.875v-1.5m0 1.5c0 .621-.504 1.125-1.125 1.125M12 10.875c0 .621.504 1.125 1.125 1.125m-2.25 0c.621 0 1.125.504 1.125 1.125M10.875 12c-.621 0-1.125.504-1.125 1.125M12 12c.621 0 1.125.504 1.125 1.125m-2.25 0c.621 0 1.125.504 1.125 1.125m0 0v1.5c0 .621-.504 1.125-1.125 1.125m0 0c-.621 0-1.125.504-1.125 1.125v1.5" />
|
||||
</svg>
|
||||
);
|
||||
}
|
||||
|
||||
function CsvIcon() {
|
||||
return (
|
||||
<svg aria-hidden="true" className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 0 0-3.375-3.375h-1.5A1.125 1.125 0 0 1 13.5 7.125v-1.5a3.375 3.375 0 0 0-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 0 0-9-9Z" />
|
||||
</svg>
|
||||
);
|
||||
}
|
||||
|
||||
export default function ExchangeRateViewer() {
|
||||
const [startDate, setStartDate] = useState(() => subDays(new Date(), 7));
|
||||
const [endDate, setEndDate] = useState(() => new Date());
|
||||
const [selectedBank, setSelectedBank] = useState("bidv");
|
||||
const [selectedCurrency, setSelectedCurrency] = useState("USD");
|
||||
const [compareMode, setCompareMode] = useState(false);
|
||||
const [showChart, setShowChart] = useState(false);
|
||||
const [isLoading, setIsLoading] = useState(false);
|
||||
const [error, setError] = useState("");
|
||||
const [results, setResults] = useState([]);
|
||||
const [hasFetched, setHasFetched] = useState(false);
|
||||
const [progress, setProgress] = useState(null);
|
||||
const [theme, setTheme] = useState("system");
|
||||
const [showTable, setShowTable] = useState(false);
|
||||
|
||||
// Restore saved settings on client mount — URL params take priority over localStorage
|
||||
const [hydrated, setHydrated] = useState(false);
|
||||
useEffect(() => {
|
||||
const urlSettings = loadFromUrl();
|
||||
const saved = urlSettings || loadSavedSettings();
|
||||
if (saved) {
|
||||
if (saved.bank) setSelectedBank(saved.bank);
|
||||
if (saved.currency) setSelectedCurrency(saved.currency);
|
||||
if (saved.startDate) setStartDate(saved.startDate);
|
||||
if (saved.endDate) setEndDate(saved.endDate);
|
||||
}
|
||||
const savedTheme = localStorage.getItem("theme") || "system";
|
||||
setTheme(savedTheme);
|
||||
applyTheme(savedTheme);
|
||||
setHydrated(true);
|
||||
}, []);
|
||||
|
||||
// Sync state to both localStorage and URL
|
||||
useEffect(() => {
|
||||
if (!hydrated) return;
|
||||
saveSettings(selectedBank, selectedCurrency, startDate, endDate);
|
||||
const params = new URLSearchParams();
|
||||
params.set("bank", selectedBank);
|
||||
params.set("currency", selectedCurrency);
|
||||
if (startDate) params.set("start", format(startDate, "yyyy-MM-dd"));
|
||||
if (endDate) params.set("end", format(endDate, "yyyy-MM-dd"));
|
||||
window.history.replaceState(null, "", `?${params.toString()}`);
|
||||
}, [selectedBank, selectedCurrency, startDate, endDate, hydrated]);
|
||||
|
||||
const fetchBank = async (bank) => {
|
||||
const response = await fetch("/api/exchange-rates", {
|
||||
method: "POST",
|
||||
headers: { "Content-Type": "application/json" },
|
||||
body: JSON.stringify({
|
||||
startDate: format(startDate, "yyyy-MM-dd"),
|
||||
endDate: format(endDate, "yyyy-MM-dd"),
|
||||
bank,
|
||||
currency: selectedCurrency,
|
||||
}),
|
||||
});
|
||||
if (!response.ok) {
|
||||
const errorData = await response.json();
|
||||
throw new Error(errorData.error || `Failed to fetch ${bank} rates`);
|
||||
}
|
||||
return response.json();
|
||||
};
|
||||
|
||||
const handleFetch = useCallback(async () => {
|
||||
const handleFetch = async () => {
|
||||
if (!startDate || !endDate) {
|
||||
setError("Please select both start and end dates");
|
||||
return;
|
||||
}
|
||||
if (startDate > endDate) {
|
||||
setError("Start date cannot be after end date");
|
||||
return;
|
||||
}
|
||||
setError("");
|
||||
setIsLoading(true);
|
||||
setResults([]);
|
||||
setHasFetched(false);
|
||||
const totalDays = differenceInCalendarDays(endDate, startDate) + 1;
|
||||
setProgress({ current: 0, total: totalDays });
|
||||
setShowTable(false);
|
||||
try {
|
||||
if (compareMode) {
|
||||
const [bidvData, tcbData] = await Promise.all([fetchBank("bidv"), fetchBank("tcb")]);
|
||||
const merged = new Map();
|
||||
for (const row of (bidvData.data || [])) {
|
||||
const key = `${row.date}|${row.currency}`;
|
||||
merged.set(key, { date: row.date, currency: row.currency, bidvBuyTm: row.muaTm, bidvSell: row.ban });
|
||||
}
|
||||
for (const row of (tcbData.data || [])) {
|
||||
const key = `${row.date}|${row.sourceCurrency}`;
|
||||
const existing = merged.get(key) || { date: row.date, currency: row.sourceCurrency };
|
||||
existing.tcbBidTm = row.bidRateTM;
|
||||
existing.tcbAsk = row.askRate;
|
||||
merged.set(key, existing);
|
||||
}
|
||||
setResults(Array.from(merged.values()).sort((a, b) => a.date.localeCompare(b.date)));
|
||||
} else {
|
||||
const data = await fetchBank(selectedBank);
|
||||
setResults(data.data || []);
|
||||
const start = startDate;
|
||||
const end = endDate;
|
||||
if (start > end) {
|
||||
setError("Start date cannot be after end date");
|
||||
setIsLoading(false);
|
||||
return;
|
||||
}
|
||||
setHasFetched(true);
|
||||
const response = await fetch("/api/exchange-rates", {
|
||||
method: "POST",
|
||||
headers: {
|
||||
"Content-Type": "application/json",
|
||||
},
|
||||
body: JSON.stringify({
|
||||
startDate: format(start, 'yyyy-MM-dd'),
|
||||
endDate: format(end, 'yyyy-MM-dd'),
|
||||
bank: selectedBank,
|
||||
}),
|
||||
});
|
||||
if (!response.ok) {
|
||||
const errorData = await response.json();
|
||||
throw new Error(errorData.error || "Failed to fetch exchange rates");
|
||||
}
|
||||
const data = await response.json();
|
||||
setResults(data.data || []);
|
||||
setShowTable(true);
|
||||
} catch (err) {
|
||||
setError(`An error occurred while fetching exchange rates: ${err.message}`);
|
||||
setError(
|
||||
`An error occurred while fetching exchange rates: ${err.message}`
|
||||
);
|
||||
console.error(err);
|
||||
} finally {
|
||||
setIsLoading(false);
|
||||
setProgress(null);
|
||||
}
|
||||
}, [startDate, endDate, selectedBank, selectedCurrency, compareMode]);
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
if (hydrated) handleFetch();
|
||||
}, [hydrated]); // eslint-disable-line react-hooks/exhaustive-deps
|
||||
|
||||
const getExportRows = () => {
|
||||
if (compareMode) {
|
||||
const headers = ["Date", "Currency", "BIDV Buy TM", "BIDV Sell", "TCB Bid TM", "TCB Ask"];
|
||||
return [headers, ...results.map((r) => [r.date, r.currency, r.bidvBuyTm || "", r.bidvSell || "", r.tcbBidTm || "", r.tcbAsk || ""])];
|
||||
}
|
||||
const handleExport = () => {
|
||||
if (results.length === 0) return;
|
||||
let csvContent = "";
|
||||
let headers = [];
|
||||
if (selectedBank === "bidv") {
|
||||
const headers = ["Date", "NameVI", "MuaTm", "MuaCk", "Currency", "NameEN", "Ban"];
|
||||
return [headers, ...results.map((r) => [r.date, r.nameVI, r.muaTm, r.muaCk, r.currency, r.nameEN, r.ban])];
|
||||
headers = [
|
||||
"Date",
|
||||
"NameVI",
|
||||
"MuaTm",
|
||||
"MuaCk",
|
||||
"Currency",
|
||||
"NameEN",
|
||||
"Ban",
|
||||
];
|
||||
csvContent = headers.join(",") + "\n";
|
||||
csvContent += results
|
||||
.map(
|
||||
(row) =>
|
||||
`"${row.date}","${row.nameVI}","${row.muaTm}","${row.muaCk}","${row.currency}","${row.nameEN}","${row.ban}"`
|
||||
)
|
||||
.join("\n");
|
||||
} else {
|
||||
headers = [
|
||||
"Date",
|
||||
"Label",
|
||||
"AskRate",
|
||||
"BidRateCK",
|
||||
"BidRateTM",
|
||||
"SourceCurrency",
|
||||
"TargetCurrency",
|
||||
"AskRateTM",
|
||||
];
|
||||
csvContent = headers.join(",") + "\n";
|
||||
csvContent += results
|
||||
.map(
|
||||
(row) =>
|
||||
`"${row.date}","${row.label}","${row.askRate}","${row.bidRateCK}","${row.bidRateTM}","${row.sourceCurrency}","${row.targetCurrency}","${row.askRateTM}"`
|
||||
)
|
||||
.join("\n");
|
||||
}
|
||||
const headers = ["Date", "Label", "AskRate", "BidRateCK", "BidRateTM", "SourceCurrency", "TargetCurrency", "AskRateTM"];
|
||||
return [headers, ...results.map((r) => [r.date, r.label, r.askRate, r.bidRateCK, r.bidRateTM, r.sourceCurrency, r.targetCurrency, r.askRateTM])];
|
||||
};
|
||||
|
||||
const baseFilename = `exchange_rates_${compareMode ? "compare" : selectedBank}_${selectedCurrency}_${new Date().toISOString().split("T")[0]}`;
|
||||
|
||||
const handleExportExcel = () => {
|
||||
if (results.length === 0) return;
|
||||
const ws = XLSX.utils.aoa_to_sheet(getExportRows());
|
||||
const wb = XLSX.utils.book_new();
|
||||
XLSX.utils.book_append_sheet(wb, ws, "Exchange Rates");
|
||||
XLSX.writeFile(wb, `${baseFilename}.xlsx`);
|
||||
};
|
||||
|
||||
const handleExportCsv = () => {
|
||||
if (results.length === 0) return;
|
||||
const ws = XLSX.utils.aoa_to_sheet(getExportRows());
|
||||
const csv = XLSX.utils.sheet_to_csv(ws);
|
||||
const blob = new Blob([csv], { type: "text/csv;charset=utf-8;" });
|
||||
const blob = new Blob([csvContent], { type: "text/csv;charset=utf-8;" });
|
||||
const url = URL.createObjectURL(blob);
|
||||
const link = document.createElement("a");
|
||||
link.href = url;
|
||||
link.download = `${baseFilename}.csv`;
|
||||
link.download = `exchange_rates_${selectedBank}_${
|
||||
new Date().toISOString().split("T")[0]
|
||||
}.csv`;
|
||||
document.body.appendChild(link);
|
||||
link.click();
|
||||
document.body.removeChild(link);
|
||||
URL.revokeObjectURL(url);
|
||||
};
|
||||
|
||||
const activePreset = getActivePreset(startDate, endDate);
|
||||
|
||||
return (
|
||||
<div className="container mx-auto px-4 py-8 max-w-5xl w-full">
|
||||
<div className="mb-6 flex items-start justify-between">
|
||||
<div>
|
||||
<h1 className="text-2xl font-bold tracking-tight">Exchange Rate Export</h1>
|
||||
<p className="text-sm mt-1 text-[var(--muted)]">
|
||||
Fetch exchange rates from Vietnamese banks and export to CSV.
|
||||
</p>
|
||||
<div className="container mx-auto p-4 max-w-5xl w-full">
|
||||
<h1 className="text-2xl font-bold mb-4">Exchange Rate Export</h1>
|
||||
<div className="flex flex-col gap-4 mb-4">
|
||||
{/* Row 1: Start & End Date Pickers and Bank Select */}
|
||||
<div className="flex flex-col sm:flex-row gap-4">
|
||||
<div className="form-group flex flex-col w-full sm:w-1/3">
|
||||
<label htmlFor="bank" className="mb-1">
|
||||
Bank:
|
||||
</label>
|
||||
<select
|
||||
id="bank"
|
||||
value={selectedBank}
|
||||
onChange={(e) => setSelectedBank(e.target.value)}
|
||||
className="border rounded p-2 w-full theme-select"
|
||||
style={{
|
||||
background: "var(--background)",
|
||||
color: "var(--foreground)",
|
||||
}}
|
||||
>
|
||||
<option value="bidv">BIDV</option>
|
||||
<option value="tcb">Techcombank</option>
|
||||
</select>
|
||||
</div>
|
||||
<div className="form-group flex flex-col w-full sm:w-1/3">
|
||||
<label htmlFor="start-date" className="mb-1">
|
||||
Start Date:
|
||||
</label>
|
||||
<DatePicker
|
||||
id="start-date"
|
||||
selected={startDate}
|
||||
onChange={(date) => setStartDate(date)}
|
||||
maxDate={endDate || new Date()}
|
||||
dateFormat="yyyy-MM-dd"
|
||||
className="border rounded p-2 w-full"
|
||||
placeholderText="Select start date"
|
||||
/>
|
||||
</div>
|
||||
<div className="form-group flex flex-col w-full sm:w-1/3">
|
||||
<label htmlFor="end-date" className="mb-1">
|
||||
End Date:
|
||||
</label>
|
||||
<DatePicker
|
||||
id="end-date"
|
||||
selected={endDate}
|
||||
onChange={(date) => setEndDate(date)}
|
||||
minDate={startDate}
|
||||
maxDate={new Date()}
|
||||
dateFormat="yyyy-MM-dd"
|
||||
className="border rounded p-2 w-full"
|
||||
placeholderText="Select end date"
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
{/* Row 2: Fetch & Export Buttons aligned with End Date */}
|
||||
<div className="flex flex-row gap-2 justify-end items-end">
|
||||
<button
|
||||
className="fetch-btn bg-blue-600 text-white px-4 py-2 rounded disabled:opacity-50"
|
||||
onClick={handleFetch}
|
||||
disabled={isLoading}
|
||||
style={{ marginBottom: 0 }}
|
||||
>
|
||||
{isLoading ? "Fetching..." : "Fetch Rates"}
|
||||
</button>
|
||||
<button
|
||||
className="export-btn bg-green-600 text-white px-4 py-2 rounded disabled:opacity-50"
|
||||
onClick={handleExport}
|
||||
disabled={results.length === 0 || isLoading}
|
||||
style={{ marginBottom: 0 }}
|
||||
>
|
||||
Export CSV
|
||||
</button>
|
||||
</div>
|
||||
<button
|
||||
type="button"
|
||||
title={`Theme: ${THEME_LABELS[theme]}`}
|
||||
onClick={() => {
|
||||
const next = THEME_CYCLE[(THEME_CYCLE.indexOf(theme) + 1) % THEME_CYCLE.length];
|
||||
setTheme(next);
|
||||
applyTheme(next);
|
||||
localStorage.setItem("theme", next);
|
||||
}}
|
||||
className="p-2 rounded-lg border border-[var(--input-border)] text-[var(--muted)] hover:text-[var(--foreground)] transition-colors"
|
||||
>
|
||||
{theme === "dark" ? <MoonIcon /> : theme === "light" ? <SunIcon /> : <SystemIcon />}
|
||||
</button>
|
||||
</div>
|
||||
|
||||
<div
|
||||
className="rounded-xl p-5 mb-6 bg-[var(--card-bg)] border border-[var(--card-border)]"
|
||||
onKeyDown={(e) => { if (e.key === "Enter" && !isLoading) handleFetch(); }}
|
||||
>
|
||||
<div className="flex flex-col gap-4">
|
||||
{/* Row 1: Selectors and date pickers */}
|
||||
<div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
|
||||
<div className="flex flex-col">
|
||||
<label htmlFor="bank" className="text-sm font-medium mb-1.5">Bank</label>
|
||||
<select
|
||||
id="bank"
|
||||
value={selectedBank}
|
||||
onChange={(e) => setSelectedBank(e.target.value)}
|
||||
disabled={compareMode}
|
||||
className="border rounded-lg px-3 py-2 text-sm w-full transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500/30 disabled:opacity-50 bg-[var(--input-bg)] text-[var(--foreground)] border-[var(--input-border)]"
|
||||
>
|
||||
<option value="bidv">BIDV</option>
|
||||
<option value="tcb">Techcombank</option>
|
||||
</select>
|
||||
</div>
|
||||
<div className="flex flex-col">
|
||||
<label htmlFor="currency" className="text-sm font-medium mb-1.5">Currency</label>
|
||||
<select
|
||||
id="currency"
|
||||
value={selectedCurrency}
|
||||
onChange={(e) => setSelectedCurrency(e.target.value)}
|
||||
className="border rounded-lg px-3 py-2 text-sm w-full transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500/30 bg-[var(--input-bg)] text-[var(--foreground)] border-[var(--input-border)]"
|
||||
>
|
||||
{CURRENCY_OPTIONS.map((c) => (
|
||||
<option key={c} value={c}>{c === "ALL" ? "All Currencies" : c}</option>
|
||||
{error && <div className="error text-red-600 mb-2">{error}</div>}
|
||||
{isLoading && (
|
||||
<div className="loading mb-2">Loading data, please wait...</div>
|
||||
)}
|
||||
{showTable && (
|
||||
<div className="table-container overflow-x-auto mt-4">
|
||||
{selectedBank === "bidv" ? (
|
||||
<table className="min-w-full border border-gray-300">
|
||||
<thead>
|
||||
<tr>
|
||||
<th className="border px-2 py-1">Date</th>
|
||||
<th className="border px-2 py-1">NameVI</th>
|
||||
<th className="border px-2 py-1">MuaTm</th>
|
||||
<th className="border px-2 py-1">MuaCk</th>
|
||||
<th className="border px-2 py-1">Currency</th>
|
||||
<th className="border px-2 py-1">NameEN</th>
|
||||
<th className="border px-2 py-1">Ban</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{results.map((result, idx) => (
|
||||
<tr key={idx}>
|
||||
<td className="border px-2 py-1">{result.date}</td>
|
||||
<td className="border px-2 py-1">{result.nameVI}</td>
|
||||
<td className="border px-2 py-1">{result.muaTm}</td>
|
||||
<td className="border px-2 py-1">{result.muaCk}</td>
|
||||
<td className="border px-2 py-1">{result.currency}</td>
|
||||
<td className="border px-2 py-1">{result.nameEN}</td>
|
||||
<td className="border px-2 py-1">{result.ban}</td>
|
||||
</tr>
|
||||
))}
|
||||
</select>
|
||||
</div>
|
||||
<div className="flex flex-col">
|
||||
<label htmlFor="start-date" className="text-sm font-medium mb-1.5">Start Date</label>
|
||||
<DatePicker
|
||||
id="start-date"
|
||||
selected={startDate}
|
||||
onChange={(date) => setStartDate(date)}
|
||||
maxDate={endDate || new Date()}
|
||||
dateFormat="yyyy-MM-dd"
|
||||
className="border rounded-lg px-3 py-2 text-sm w-full transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500/30"
|
||||
placeholderText="Select start date"
|
||||
/>
|
||||
</div>
|
||||
<div className="flex flex-col">
|
||||
<label htmlFor="end-date" className="text-sm font-medium mb-1.5">End Date</label>
|
||||
<DatePicker
|
||||
id="end-date"
|
||||
selected={endDate}
|
||||
onChange={(date) => setEndDate(date)}
|
||||
minDate={startDate}
|
||||
maxDate={new Date()}
|
||||
dateFormat="yyyy-MM-dd"
|
||||
className="border rounded-lg px-3 py-2 text-sm w-full transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500/30"
|
||||
placeholderText="Select end date"
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Row 2: Toggles and date presets */}
|
||||
<div className="flex flex-wrap items-center gap-3 pt-1 border-t border-[var(--card-border)]">
|
||||
<label className="flex items-center gap-1.5 text-xs cursor-pointer text-[var(--muted)]">
|
||||
<input type="checkbox" checked={compareMode} onChange={(e) => setCompareMode(e.target.checked)} className="rounded" />
|
||||
Compare BIDV vs TCB
|
||||
</label>
|
||||
<label className="flex items-center gap-1.5 text-xs cursor-pointer text-[var(--muted)]">
|
||||
<input type="checkbox" checked={showChart} onChange={(e) => setShowChart(e.target.checked)} className="rounded" />
|
||||
Show Chart
|
||||
</label>
|
||||
<span className="text-[var(--card-border)]">|</span>
|
||||
{DATE_PRESETS.map((preset) => (
|
||||
<button
|
||||
key={preset.label}
|
||||
type="button"
|
||||
className={`text-xs px-3 py-1 rounded-md border transition-colors ${
|
||||
activePreset === preset.label
|
||||
? "bg-blue-100 dark:bg-blue-900/30 text-blue-600 dark:text-blue-400 border-blue-300 dark:border-blue-700 font-medium"
|
||||
: "border-[var(--input-border)] text-[var(--muted)] hover:bg-blue-50 dark:hover:bg-blue-900/20"
|
||||
}`}
|
||||
onClick={() => { setStartDate(preset.start()); setEndDate(preset.end()); }}
|
||||
>
|
||||
{preset.label}
|
||||
</button>
|
||||
))}
|
||||
</div>
|
||||
|
||||
{/* Row 3: Action buttons */}
|
||||
<div className="flex flex-col sm:flex-row gap-2 sm:justify-end pt-1">
|
||||
<button
|
||||
className="bg-blue-600 hover:bg-blue-700 active:bg-blue-800 text-white text-sm font-medium px-5 py-2 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed focus:outline-none focus:ring-2 focus:ring-blue-500/40 inline-flex items-center justify-center gap-2"
|
||||
onClick={handleFetch}
|
||||
disabled={isLoading}
|
||||
>
|
||||
<FetchIcon />
|
||||
{isLoading ? "Fetching..." : "Fetch Rates"}
|
||||
</button>
|
||||
<button
|
||||
className="bg-emerald-600 hover:bg-emerald-700 active:bg-emerald-800 text-white text-sm font-medium px-5 py-2 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed focus:outline-none focus:ring-2 focus:ring-emerald-500/40 inline-flex items-center justify-center gap-2"
|
||||
onClick={handleExportExcel}
|
||||
disabled={results.length === 0 || isLoading}
|
||||
>
|
||||
<ExcelIcon />
|
||||
Export Excel
|
||||
</button>
|
||||
<button
|
||||
className="text-sm font-medium px-5 py-2 rounded-lg border transition-colors disabled:opacity-50 disabled:cursor-not-allowed focus:outline-none focus:ring-2 focus:ring-blue-500/30 inline-flex items-center justify-center gap-2 border-[var(--input-border)] text-[var(--foreground)]"
|
||||
onClick={handleExportCsv}
|
||||
disabled={results.length === 0 || isLoading}
|
||||
>
|
||||
<CsvIcon />
|
||||
Export CSV
|
||||
</button>
|
||||
</div>
|
||||
</tbody>
|
||||
</table>
|
||||
) : (
|
||||
<table className="min-w-full border border-gray-300">
|
||||
<thead>
|
||||
<tr>
|
||||
<th className="border px-2 py-1">Date</th>
|
||||
<th className="border px-2 py-1">Label</th>
|
||||
<th className="border px-2 py-1">AskRate</th>
|
||||
<th className="border px-2 py-1">BidRateCK</th>
|
||||
<th className="border px-2 py-1">BidRateTM</th>
|
||||
<th className="border px-2 py-1">SourceCurrency</th>
|
||||
<th className="border px-2 py-1">TargetCurrency</th>
|
||||
<th className="border px-2 py-1">AskRateTM</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{results.map((result, idx) => (
|
||||
<tr key={idx}>
|
||||
<td className="border px-2 py-1">{result.date}</td>
|
||||
<td className="border px-2 py-1">{result.label}</td>
|
||||
<td className="border px-2 py-1">{result.askRate}</td>
|
||||
<td className="border px-2 py-1">{result.bidRateCK}</td>
|
||||
<td className="border px-2 py-1">{result.bidRateTM}</td>
|
||||
<td className="border px-2 py-1">
|
||||
{result.sourceCurrency}
|
||||
</td>
|
||||
<td className="border px-2 py-1">
|
||||
{result.targetCurrency}
|
||||
</td>
|
||||
<td className="border px-2 py-1">{result.askRateTM}</td>
|
||||
</tr>
|
||||
))}
|
||||
</tbody>
|
||||
</table>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div aria-live="polite" aria-atomic="true">
|
||||
{error && <ErrorMessage message={error} />}
|
||||
{isLoading && <LoadingSpinner progress={progress} />}
|
||||
{!isLoading && hasFetched && results.length === 0 && <EmptyState />}
|
||||
{!isLoading && hasFetched && results.length > 0 && (
|
||||
<div>
|
||||
<div className="flex items-center justify-between mb-3">
|
||||
<p className="text-sm text-[var(--muted)]">
|
||||
{results.length} {results.length === 1 ? "record" : "records"} found
|
||||
</p>
|
||||
</div>
|
||||
{showChart && (
|
||||
<RateTrendChart results={results} selectedBank={selectedBank} compareMode={compareMode} />
|
||||
)}
|
||||
{compareMode
|
||||
? <ComparisonTable results={results} />
|
||||
: <RateTable results={results} selectedBank={selectedBank} />
|
||||
}
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -1,99 +0,0 @@
|
||||
"use client";
|
||||
|
||||
import React from "react";
|
||||
import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer } from "recharts";
|
||||
|
||||
// Parse rate string to number (handles comma-separated values like "25,880")
|
||||
function parseRate(val) {
|
||||
if (!val) return null;
|
||||
const num = parseFloat(String(val).replace(/,/g, ""));
|
||||
return isNaN(num) ? null : num;
|
||||
}
|
||||
|
||||
export function RateTrendChart({ results, selectedBank, compareMode }) {
|
||||
const chartData = [];
|
||||
|
||||
if (compareMode) {
|
||||
const byDate = new Map();
|
||||
for (const row of results) {
|
||||
if (!byDate.has(row.date)) byDate.set(row.date, {});
|
||||
const entry = byDate.get(row.date);
|
||||
entry.date = row.date;
|
||||
if (row.bidvSell) entry["BIDV Sell"] = parseRate(row.bidvSell);
|
||||
if (row.tcbAsk) entry["TCB Ask"] = parseRate(row.tcbAsk);
|
||||
}
|
||||
chartData.push(...byDate.values());
|
||||
} else if (selectedBank === "bidv") {
|
||||
const byDate = new Map();
|
||||
for (const row of results) {
|
||||
if (!byDate.has(row.date)) byDate.set(row.date, { date: row.date });
|
||||
const entry = byDate.get(row.date);
|
||||
const label = row.currency || "USD";
|
||||
entry[`${label} Buy`] = parseRate(row.muaTm);
|
||||
entry[`${label} Sell`] = parseRate(row.ban);
|
||||
}
|
||||
chartData.push(...byDate.values());
|
||||
} else {
|
||||
const byDate = new Map();
|
||||
for (const row of results) {
|
||||
if (!byDate.has(row.date)) byDate.set(row.date, { date: row.date });
|
||||
const entry = byDate.get(row.date);
|
||||
const label = row.sourceCurrency || "USD";
|
||||
entry[`${label} Bid`] = parseRate(row.bidRateTM);
|
||||
entry[`${label} Ask`] = parseRate(row.askRate);
|
||||
}
|
||||
chartData.push(...byDate.values());
|
||||
}
|
||||
|
||||
if (chartData.length === 0) return null;
|
||||
|
||||
const lineKeys = new Set();
|
||||
for (const row of chartData) {
|
||||
for (const key of Object.keys(row)) {
|
||||
if (key !== "date" && typeof row[key] === "number") lineKeys.add(key);
|
||||
}
|
||||
}
|
||||
|
||||
const colors = ["#3b82f6", "#10b981", "#f59e0b", "#ef4444", "#8b5cf6", "#ec4899", "#06b6d4", "#84cc16"];
|
||||
|
||||
return (
|
||||
<div className="rounded-lg p-4 mb-4 bg-[var(--card-bg)] border border-[var(--card-border)]">
|
||||
<ResponsiveContainer width="100%" height={300}>
|
||||
<LineChart data={chartData} margin={{ top: 5, right: 20, left: 10, bottom: 5 }}>
|
||||
<CartesianGrid strokeDasharray="3 3" stroke="var(--card-border)" />
|
||||
<XAxis
|
||||
dataKey="date"
|
||||
tick={{ fontSize: 11, fill: "var(--muted)" }}
|
||||
tickLine={false}
|
||||
/>
|
||||
<YAxis
|
||||
tick={{ fontSize: 11, fill: "var(--muted)" }}
|
||||
tickLine={false}
|
||||
domain={["auto", "auto"]}
|
||||
label={{ value: "VND", angle: -90, position: "insideLeft", style: { fontSize: 11, fill: "var(--muted)" } }}
|
||||
/>
|
||||
<Tooltip
|
||||
contentStyle={{
|
||||
background: "var(--card-bg)",
|
||||
border: "1px solid var(--card-border)",
|
||||
borderRadius: 8,
|
||||
fontSize: 12,
|
||||
}}
|
||||
/>
|
||||
{lineKeys.size <= 8 && <Legend wrapperStyle={{ fontSize: 12 }} />}
|
||||
{Array.from(lineKeys).map((key, i) => (
|
||||
<Line
|
||||
key={key}
|
||||
type="monotone"
|
||||
dataKey={key}
|
||||
stroke={colors[i % colors.length]}
|
||||
strokeWidth={2}
|
||||
dot={chartData.length <= 31}
|
||||
connectNulls
|
||||
/>
|
||||
))}
|
||||
</LineChart>
|
||||
</ResponsiveContainer>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -1,44 +0,0 @@
|
||||
"use client";
|
||||
|
||||
import React from "react";
|
||||
|
||||
export function LoadingSpinner({ progress }) {
|
||||
return (
|
||||
<div className="flex items-center justify-center py-12">
|
||||
<div className="flex flex-col items-center gap-3 w-64">
|
||||
<div className="w-8 h-8 border-3 border-blue-200 border-t-blue-600 rounded-full animate-spin" />
|
||||
<p className="text-[var(--muted)] text-sm">
|
||||
{progress?.total ? `Fetching rates for ${progress.total} day${progress.total > 1 ? "s" : ""}...` : "Fetching exchange rates..."}
|
||||
</p>
|
||||
{progress?.total > 1 && (
|
||||
<div className="w-full h-1.5 rounded-full bg-[var(--card-border)] overflow-hidden">
|
||||
<div className="h-full bg-blue-500 rounded-full animate-pulse" style={{ width: "100%" }} />
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export function ErrorMessage({ message }) {
|
||||
return (
|
||||
<div className="flex items-start gap-2 rounded-lg px-4 py-3 text-sm mb-4 bg-red-50 dark:bg-red-950 border border-red-500/20 text-red-500">
|
||||
<svg aria-hidden="true" className="shrink-0 mt-0.5 w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126ZM12 15.75h.007v.008H12v-.008Z" />
|
||||
</svg>
|
||||
<span>{message}</span>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export function EmptyState() {
|
||||
return (
|
||||
<div className="text-center py-16 text-[var(--muted)]">
|
||||
<svg aria-hidden="true" className="mx-auto mb-4 w-12 h-12 opacity-40" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
|
||||
<path strokeLinecap="round" strokeLinejoin="round" d="M3.75 3v11.25A2.25 2.25 0 0 0 6 16.5h2.25M3.75 3h-1.5m1.5 0h16.5m0 0h1.5m-1.5 0v11.25A2.25 2.25 0 0 1 18 16.5h-2.25m-7.5 0h7.5m-7.5 0-1 3m8.5-3 1 3m0 0 .5 1.5m-.5-1.5h-9.5m0 0-.5 1.5M9 11.25v-5.5m3 5.5V8.25" />
|
||||
</svg>
|
||||
<p className="text-lg font-medium mb-1">No exchange rate data</p>
|
||||
<p className="text-sm">Select a bank and date range, then click Fetch Rates to get started.</p>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -1,204 +0,0 @@
|
||||
"use client";
|
||||
|
||||
import React from "react";
|
||||
|
||||
export function ComparisonTable({ results }) {
|
||||
const headers = [
|
||||
{ label: "Date", numeric: false },
|
||||
{ label: "Currency", numeric: false },
|
||||
{ label: "BIDV Buy TM", numeric: true },
|
||||
{ label: "BIDV Sell", numeric: true },
|
||||
{ label: "TCB Bid TM", numeric: true },
|
||||
{ label: "TCB Ask", numeric: true },
|
||||
];
|
||||
|
||||
return (
|
||||
<>
|
||||
{/* Desktop table */}
|
||||
<div className="hidden sm:block overflow-x-auto rounded-lg border border-[var(--card-border)]">
|
||||
<table className="min-w-full text-sm">
|
||||
<thead className="sticky top-0 z-10">
|
||||
<tr className="bg-[var(--table-header-bg)]">
|
||||
{headers.map((h) => (
|
||||
<th
|
||||
key={h.label}
|
||||
className={`px-3 py-2.5 font-semibold whitespace-nowrap border-b border-[var(--card-border)] ${h.numeric ? "text-right" : "text-left"}`}
|
||||
>
|
||||
{h.label}
|
||||
</th>
|
||||
))}
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{results.map((row, idx) => {
|
||||
const cells = [
|
||||
{ value: row.date, numeric: false },
|
||||
{ value: row.currency, numeric: false },
|
||||
{ value: row.bidvBuyTm, numeric: true },
|
||||
{ value: row.bidvSell, numeric: true },
|
||||
{ value: row.tcbBidTm, numeric: true },
|
||||
{ value: row.tcbAsk, numeric: true },
|
||||
];
|
||||
return (
|
||||
<tr
|
||||
key={idx}
|
||||
className={`transition-colors hover:!bg-[var(--table-row-hover)] ${idx % 2 !== 0 ? "bg-[var(--table-row-stripe)]" : ""}`}
|
||||
>
|
||||
{cells.map((cell, i) => (
|
||||
<td
|
||||
key={i}
|
||||
className={`px-3 py-2 whitespace-nowrap border-b border-[var(--card-border)] ${cell.numeric ? "text-right tabular-nums" : ""}`}
|
||||
>
|
||||
{cell.value || "-"}
|
||||
</td>
|
||||
))}
|
||||
</tr>
|
||||
);
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
{/* Mobile cards */}
|
||||
<div className="sm:hidden flex flex-col gap-2">
|
||||
{results.map((row, idx) => (
|
||||
<div key={idx} className="rounded-lg border border-[var(--card-border)] p-3 bg-[var(--card-bg)] text-sm">
|
||||
<div className="flex justify-between mb-1.5">
|
||||
<span className="font-medium">{row.date}</span>
|
||||
<span className="text-[var(--muted)]">{row.currency}</span>
|
||||
</div>
|
||||
<div className="grid grid-cols-2 gap-x-4 gap-y-1 text-xs">
|
||||
<div className="flex justify-between"><span className="text-[var(--muted)]">BIDV Buy</span><span className="tabular-nums">{row.bidvBuyTm || "-"}</span></div>
|
||||
<div className="flex justify-between"><span className="text-[var(--muted)]">TCB Bid</span><span className="tabular-nums">{row.tcbBidTm || "-"}</span></div>
|
||||
<div className="flex justify-between"><span className="text-[var(--muted)]">BIDV Sell</span><span className="tabular-nums">{row.bidvSell || "-"}</span></div>
|
||||
<div className="flex justify-between"><span className="text-[var(--muted)]">TCB Ask</span><span className="tabular-nums">{row.tcbAsk || "-"}</span></div>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</>
|
||||
);
|
||||
}
|
||||
|
||||
export function RateTable({ results, selectedBank }) {
|
||||
const bidvHeaders = [
|
||||
{ label: "Date", numeric: false },
|
||||
{ label: "Name (VI)", numeric: false },
|
||||
{ label: "Buy TM", numeric: true },
|
||||
{ label: "Buy CK", numeric: true },
|
||||
{ label: "Currency", numeric: false },
|
||||
{ label: "Name (EN)", numeric: false },
|
||||
{ label: "Sell", numeric: true },
|
||||
];
|
||||
const tcbHeaders = [
|
||||
{ label: "Date", numeric: false },
|
||||
{ label: "Label", numeric: false },
|
||||
{ label: "Ask Rate", numeric: true },
|
||||
{ label: "Bid CK", numeric: true },
|
||||
{ label: "Bid TM", numeric: true },
|
||||
{ label: "Source", numeric: false },
|
||||
{ label: "Target", numeric: false },
|
||||
{ label: "Ask TM", numeric: true },
|
||||
];
|
||||
|
||||
const headers = selectedBank === "bidv" ? bidvHeaders : tcbHeaders;
|
||||
|
||||
const getRowCells = (row) => {
|
||||
if (selectedBank === "bidv") {
|
||||
return [
|
||||
{ value: row.date, numeric: false },
|
||||
{ value: row.nameVI, numeric: false },
|
||||
{ value: row.muaTm, numeric: true },
|
||||
{ value: row.muaCk, numeric: true },
|
||||
{ value: row.currency, numeric: false },
|
||||
{ value: row.nameEN, numeric: false },
|
||||
{ value: row.ban, numeric: true },
|
||||
];
|
||||
}
|
||||
return [
|
||||
{ value: row.date, numeric: false },
|
||||
{ value: row.label, numeric: false },
|
||||
{ value: row.askRate, numeric: true },
|
||||
{ value: row.bidRateCK, numeric: true },
|
||||
{ value: row.bidRateTM, numeric: true },
|
||||
{ value: row.sourceCurrency, numeric: false },
|
||||
{ value: row.targetCurrency, numeric: false },
|
||||
{ value: row.askRateTM, numeric: true },
|
||||
];
|
||||
};
|
||||
|
||||
const getMobileCard = (row) => {
|
||||
if (selectedBank === "bidv") {
|
||||
return { title: row.nameVI || row.nameEN, subtitle: `${row.currency} - ${row.date}`, fields: [
|
||||
{ label: "Buy TM", value: row.muaTm }, { label: "Buy CK", value: row.muaCk }, { label: "Sell", value: row.ban },
|
||||
]};
|
||||
}
|
||||
return { title: row.label, subtitle: `${row.sourceCurrency} - ${row.date}`, fields: [
|
||||
{ label: "Bid TM", value: row.bidRateTM }, { label: "Bid CK", value: row.bidRateCK },
|
||||
{ label: "Ask", value: row.askRate }, { label: "Ask TM", value: row.askRateTM },
|
||||
]};
|
||||
};
|
||||
|
||||
return (
|
||||
<>
|
||||
{/* Desktop table */}
|
||||
<div className="hidden sm:block overflow-x-auto rounded-lg border border-[var(--card-border)]">
|
||||
<table className="min-w-full text-sm">
|
||||
<thead className="sticky top-0 z-10">
|
||||
<tr className="bg-[var(--table-header-bg)]">
|
||||
{headers.map((h) => (
|
||||
<th
|
||||
key={h.label}
|
||||
className={`px-3 py-2.5 font-semibold whitespace-nowrap border-b border-[var(--card-border)] ${h.numeric ? "text-right" : "text-left"}`}
|
||||
>
|
||||
{h.label}
|
||||
</th>
|
||||
))}
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
{results.map((row, idx) => {
|
||||
const cells = getRowCells(row);
|
||||
return (
|
||||
<tr
|
||||
key={idx}
|
||||
className={`transition-colors hover:!bg-[var(--table-row-hover)] ${idx % 2 !== 0 ? "bg-[var(--table-row-stripe)]" : ""}`}
|
||||
>
|
||||
{cells.map((cell, i) => (
|
||||
<td
|
||||
key={i}
|
||||
className={`px-3 py-2 whitespace-nowrap border-b border-[var(--card-border)] ${cell.numeric ? "text-right tabular-nums" : ""}`}
|
||||
>
|
||||
{cell.value}
|
||||
</td>
|
||||
))}
|
||||
</tr>
|
||||
);
|
||||
})}
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
{/* Mobile cards */}
|
||||
<div className="sm:hidden flex flex-col gap-2">
|
||||
{results.map((row, idx) => {
|
||||
const card = getMobileCard(row);
|
||||
return (
|
||||
<div key={idx} className="rounded-lg border border-[var(--card-border)] p-3 bg-[var(--card-bg)] text-sm">
|
||||
<div className="flex justify-between mb-1.5">
|
||||
<span className="font-medium">{card.title}</span>
|
||||
<span className="text-[var(--muted)] text-xs">{card.subtitle}</span>
|
||||
</div>
|
||||
<div className="grid grid-cols-2 gap-x-4 gap-y-1 text-xs">
|
||||
{card.fields.map((f, i) => (
|
||||
<div key={i} className="flex justify-between">
|
||||
<span className="text-[var(--muted)]">{f.label}</span>
|
||||
<span className="tabular-nums">{f.value || "-"}</span>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
})}
|
||||
</div>
|
||||
</>
|
||||
);
|
||||
}
|
||||
+3
-92
@@ -1,53 +1,21 @@
|
||||
@import "tailwindcss";
|
||||
|
||||
:root {
|
||||
--background: #f8fafc;
|
||||
--background: #ffffff;
|
||||
--foreground: #171717;
|
||||
--card-bg: #ffffff;
|
||||
--card-border: #e2e8f0;
|
||||
--input-bg: #ffffff;
|
||||
--input-border: #cbd5e1;
|
||||
--input-focus: #3b82f6;
|
||||
--table-header-bg: #f1f5f9;
|
||||
--table-row-hover: #e2e8f0;
|
||||
--table-row-stripe: #f1f5f9;
|
||||
--muted: #64748b;
|
||||
}
|
||||
|
||||
@theme inline {
|
||||
--color-background: var(--background);
|
||||
--color-foreground: var(--foreground);
|
||||
--font-sans: var(--font-geist-sans);
|
||||
}
|
||||
|
||||
/* Dark mode: explicit toggle OR system preference (unless overridden to light) */
|
||||
:root[data-theme="dark"] {
|
||||
--background: #0a0a0a;
|
||||
--foreground: #ededed;
|
||||
--card-bg: #18181b;
|
||||
--card-border: #27272a;
|
||||
--input-bg: #1e1e22;
|
||||
--input-border: #3f3f46;
|
||||
--input-focus: #60a5fa;
|
||||
--table-header-bg: #1e1e22;
|
||||
--table-row-hover: #27272a;
|
||||
--table-row-stripe: #141416;
|
||||
--muted: #a1a1aa;
|
||||
--font-mono: var(--font-geist-mono);
|
||||
}
|
||||
|
||||
@media (prefers-color-scheme: dark) {
|
||||
:root:not([data-theme="light"]) {
|
||||
:root {
|
||||
--background: #0a0a0a;
|
||||
--foreground: #ededed;
|
||||
--card-bg: #18181b;
|
||||
--card-border: #27272a;
|
||||
--input-bg: #1e1e22;
|
||||
--input-border: #3f3f46;
|
||||
--input-focus: #60a5fa;
|
||||
--table-header-bg: #1e1e22;
|
||||
--table-row-hover: #27272a;
|
||||
--table-row-stripe: #141416;
|
||||
--muted: #a1a1aa;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -56,60 +24,3 @@ body {
|
||||
color: var(--foreground);
|
||||
font-family: Arial, Helvetica, sans-serif;
|
||||
}
|
||||
|
||||
/* Date picker dark mode support */
|
||||
.react-datepicker-wrapper {
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
.react-datepicker__input-container input {
|
||||
background: var(--input-bg) !important;
|
||||
color: var(--foreground) !important;
|
||||
border-color: var(--input-border) !important;
|
||||
}
|
||||
|
||||
.react-datepicker {
|
||||
background-color: var(--card-bg) !important;
|
||||
border-color: var(--card-border) !important;
|
||||
color: var(--foreground) !important;
|
||||
font-family: inherit !important;
|
||||
box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12) !important;
|
||||
}
|
||||
|
||||
.react-datepicker__header {
|
||||
background-color: var(--table-header-bg) !important;
|
||||
border-bottom-color: var(--card-border) !important;
|
||||
}
|
||||
|
||||
.react-datepicker__current-month,
|
||||
.react-datepicker__day-name {
|
||||
color: var(--foreground) !important;
|
||||
}
|
||||
|
||||
.react-datepicker__day {
|
||||
color: var(--foreground) !important;
|
||||
border-radius: 6px !important;
|
||||
}
|
||||
|
||||
.react-datepicker__day:hover {
|
||||
background-color: var(--table-row-hover) !important;
|
||||
}
|
||||
|
||||
.react-datepicker__day--selected,
|
||||
.react-datepicker__day--keyboard-selected {
|
||||
background-color: #3b82f6 !important;
|
||||
color: #fff !important;
|
||||
}
|
||||
|
||||
.react-datepicker__day--disabled {
|
||||
color: var(--muted) !important;
|
||||
opacity: 0.4;
|
||||
}
|
||||
|
||||
.react-datepicker__navigation-icon::before {
|
||||
border-color: var(--muted) !important;
|
||||
}
|
||||
|
||||
.react-datepicker__triangle {
|
||||
display: none !important;
|
||||
}
|
||||
+10
-5
@@ -1,4 +1,4 @@
|
||||
import { Geist } from "next/font/google";
|
||||
import { Geist, Geist_Mono } from "next/font/google";
|
||||
import "./globals.css";
|
||||
import { Analytics } from "@vercel/analytics/react";
|
||||
import { SpeedInsights } from '@vercel/speed-insights/next';
|
||||
@@ -8,16 +8,21 @@ const geistSans = Geist({
|
||||
subsets: ["latin"],
|
||||
});
|
||||
|
||||
const geistMono = Geist_Mono({
|
||||
variable: "--font-geist-mono",
|
||||
subsets: ["latin"],
|
||||
});
|
||||
|
||||
export const metadata = {
|
||||
title: "Exchange Rate Export",
|
||||
description: "Fetch exchange rates from BIDV or Techcombank and export to CSV",
|
||||
title: "Create Next App",
|
||||
description: "Generated by create next app",
|
||||
};
|
||||
|
||||
export default function RootLayout({ children }) {
|
||||
return (
|
||||
<html lang="vi">
|
||||
<html lang="en">
|
||||
<body
|
||||
className={`${geistSans.variable} antialiased`}
|
||||
className={`${geistSans.variable} ${geistMono.variable} antialiased`}
|
||||
>
|
||||
{children}
|
||||
<Analytics />
|
||||
|
||||
+19
-1
@@ -1,10 +1,28 @@
|
||||
"use client";
|
||||
import React, { useEffect, useState } from "react";
|
||||
import ExchangeRateViewer from "./components/ExchangeRateViewer";
|
||||
import { format, subDays } from "date-fns";
|
||||
|
||||
export default function Home() {
|
||||
const [defaultStartDate, setDefaultStartDate] = useState("");
|
||||
const [defaultEndDate, setDefaultEndDate] = useState("");
|
||||
|
||||
useEffect(() => {
|
||||
const today = new Date();
|
||||
const weekAgo = subDays(today, 7);
|
||||
setDefaultStartDate(format(weekAgo, "yyyy-MM-dd"));
|
||||
setDefaultEndDate(format(today, "yyyy-MM-dd"));
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<div className="min-h-screen w-full flex flex-col items-center justify-center bg-background text-foreground font-[family-name:var(--font-geist-sans)]">
|
||||
<main className="w-full flex flex-col items-center">
|
||||
<ExchangeRateViewer />
|
||||
{defaultStartDate && defaultEndDate && (
|
||||
<ExchangeRateViewer
|
||||
defaultStartDate={defaultStartDate}
|
||||
defaultEndDate={defaultEndDate}
|
||||
/>
|
||||
)}
|
||||
</main>
|
||||
</div>
|
||||
);
|
||||
|
||||
Reference in new issue
Block a user