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286
temp/nexus-module-import/modules/fx-rates/assets/fx-rates.js
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286
temp/nexus-module-import/modules/fx-rates/assets/fx-rates.js
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@@ -0,0 +1,286 @@
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(() => {
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const root = document.getElementById('fx-rates-app');
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if (!root) {
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return;
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}
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const page = JSON.parse(root.dataset.page || '{}');
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const settings = page.settings || {};
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const nodes = {
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historyHead: root.querySelector('[data-bind="history-head"]'),
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historyBody: root.querySelector('[data-bind="history-body"]'),
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convertResult: root.querySelector('[data-bind="convert-result"]'),
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convertFrom: root.querySelector('select[name="convert_from"]'),
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convertTo: root.querySelector('select[name="convert_to"]'),
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convertAmount: root.querySelector('input[name="convert_amount"]'),
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};
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const apiBase = '/api/fx-rates/v1';
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const preferredCurrencies = Array.isArray(page.preferred_currencies)
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? page.preferred_currencies
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.map((item) => String(item || '').trim().toUpperCase())
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.filter(Boolean)
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: [];
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const refreshMaxAgeMinutes = Math.max(1, Number(settings.refresh_max_age_minutes || 60));
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const parseDateValue = (value) => {
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const raw = String(value || '').trim();
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if (!raw) {
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return null;
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}
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let normalized = raw.replace(' ', 'T');
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normalized = normalized.replace(/([+-]\d{2})$/, '$1:00');
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const parsed = new Date(normalized);
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return Number.isNaN(parsed.getTime()) ? null : parsed;
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};
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const latestFetchedAt = () => {
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const latest = page.latest && typeof page.latest === 'object' ? page.latest : null;
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const direct = parseDateValue(latest?.fetched_at);
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if (direct) {
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return direct;
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}
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const recentFetches = Array.isArray(page.recent_fetches) ? page.recent_fetches : [];
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for (const entry of recentFetches) {
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const parsed = parseDateValue(entry?.fetched_at);
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if (parsed) {
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return parsed;
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}
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}
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return null;
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};
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const bindManualRefreshAction = () => {
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const refreshLink = Array.from(document.querySelectorAll('a[href]')).find((link) => {
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try {
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const url = new URL(link.href, window.location.origin);
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return url.pathname === '/module/fx-rates' && url.searchParams.get('refresh') === '1';
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} catch (_error) {
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return false;
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}
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});
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if (!refreshLink) {
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return;
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}
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refreshLink.addEventListener('click', (event) => {
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const url = new URL(refreshLink.href, window.location.origin);
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if (url.searchParams.get('force') === '1') {
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return;
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}
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const lastFetch = latestFetchedAt();
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if (!lastFetch) {
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return;
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}
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const ageMinutes = (Date.now() - lastFetch.getTime()) / 60000;
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if (!Number.isFinite(ageMinutes) || ageMinutes >= refreshMaxAgeMinutes) {
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return;
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}
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event.preventDefault();
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const confirmed = window.confirm(
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`Der letzte gespeicherte Abruf ist juenger als ${refreshMaxAgeMinutes} Minuten. ` +
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'Ein manueller Abruf wuerde die externe API trotzdem erneut aufrufen. Jetzt trotzdem abrufen?'
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);
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if (!confirmed) {
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return;
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}
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url.searchParams.set('force', '1');
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window.location.href = url.toString();
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});
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};
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const escapeHtml = (value) => String(value || '')
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.replaceAll('&', '&')
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.replaceAll('<', '<')
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.replaceAll('>', '>')
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.replaceAll('"', '"')
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.replaceAll("'", ''');
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const renderHistory = (rows, currencies) => {
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if (!nodes.historyHead || !nodes.historyBody) {
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return;
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}
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const series = Array.isArray(currencies) ? currencies : [];
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if (!series.length) {
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nodes.historyHead.innerHTML = '<tr><th>Datum</th><th>Kurse</th></tr>';
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nodes.historyBody.innerHTML = '<tr><td colspan="2">Keine bevorzugten Waehrungen fuer den Verlauf vorhanden.</td></tr>';
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return;
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}
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nodes.historyHead.innerHTML = `
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<tr>
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<th>Datum</th>
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${series.map((currency) => `<th>${currency}</th>`).join('')}
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</tr>
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`;
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const entries = Array.isArray(rows) ? rows : [];
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if (!entries.length) {
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nodes.historyBody.innerHTML = `<tr><td colspan="${series.length + 1}">Noch keine Verlaufsdaten vorhanden.</td></tr>`;
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return;
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}
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nodes.historyBody.innerHTML = entries.map((entry) => `
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<tr>
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<td>
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<div class="fx-history-date">
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<span>${entry.label}</span>
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${entry.fetch ? `
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<button
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type="button"
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class="fx-info-button"
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title="${escapeHtml(`Basis: ${entry.fetch.base_currency || '-'} | Provider: ${entry.fetch.provider || '-'} | Ausloeser: ${entry.fetch.trigger_source_label || entry.fetch.trigger_source || '-'}`)}"
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aria-label="${escapeHtml(`Abrufinfo fuer ${entry.label}`)}"
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>i</button>
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` : ''}
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</div>
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</td>
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${series.map((currency) => {
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const value = entry.rates?.[currency];
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if (typeof value !== 'number' || !Number.isFinite(value)) {
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return '<td>–</td>';
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}
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return `<td>${value.toLocaleString('de-DE', { maximumFractionDigits: 8 })}</td>`;
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}).join('')}
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</tr>
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`).join('');
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};
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const request = async (path, options = {}) => {
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const response = await fetch(`${apiBase}${path}`, {
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credentials: 'same-origin',
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headers: {
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Accept: 'application/json',
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...(options.body ? { 'Content-Type': 'application/json' } : {}),
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...(options.headers || {}),
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},
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...options,
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});
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const payload = await response.json().catch(() => ({}));
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if (!response.ok) {
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throw new Error(payload?.context?.message || payload?.error || `HTTP ${response.status}`);
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}
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return payload.data;
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};
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const loadHistory = async () => {
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const base = String(
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settings.display_base_currency || settings.default_base_currency || 'EUR'
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).trim().toUpperCase();
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const selectedCurrencies = preferredCurrencies.length
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? preferredCurrencies
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: [base];
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const historyCurrencies = selectedCurrencies.filter((currency) => currency !== base);
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if (!selectedCurrencies.length) {
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renderHistory([], []);
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return;
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}
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const histories = await Promise.all(historyCurrencies.map(async (currency) => {
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const query = new URLSearchParams({ from: base, to: currency, limit: '20' });
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const rows = await request(`/history?${query.toString()}`);
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return { currency, rows: Array.isArray(rows) ? rows : [] };
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}));
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const recentFetches = Array.isArray(page.recent_fetches) ? page.recent_fetches : [];
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const byDate = new Map();
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recentFetches.forEach((fetch) => {
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const key = String(fetch?.fetched_at || '').trim();
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if (!key || byDate.has(key)) {
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return;
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}
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byDate.set(key, {
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sortKey: key,
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label: fetch?.fetched_at_display || fetch?.fetched_at || key,
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fetch,
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rates: base !== '' ? { [base]: 1 } : {},
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});
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});
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histories.forEach(({ currency, rows }) => {
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rows.forEach((row) => {
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const key = String(row?.fetched_at || row?.rate_date || '').trim();
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if (!key) {
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return;
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}
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if (!byDate.has(key)) {
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byDate.set(key, {
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sortKey: key,
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label: row?.fetched_at_display || row?.fetched_at || row?.rate_date || key,
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fetch: recentFetches.find((fetch) => String(fetch?.fetched_at || '').trim() === key) || null,
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rates: base !== '' ? { [base]: 1 } : {},
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});
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}
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const entry = byDate.get(key);
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if (entry && typeof row?.rate === 'number' && Number.isFinite(row.rate)) {
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entry.rates[currency] = row.rate;
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}
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});
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});
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const mergedRows = Array.from(byDate.values())
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.sort((left, right) => String(right.sortKey).localeCompare(String(left.sortKey)))
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.slice(0, 15);
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renderHistory(mergedRows, selectedCurrencies);
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};
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const calculateConversion = async () => {
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if (!nodes.convertFrom || !nodes.convertTo || !nodes.convertAmount || !nodes.convertResult) {
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return;
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}
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const from = String(nodes.convertFrom.value || '').trim().toUpperCase();
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const to = String(nodes.convertTo.value || '').trim().toUpperCase();
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const amount = Number(nodes.convertAmount.value || '0');
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if (!from || !to || !Number.isFinite(amount)) {
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nodes.convertResult.textContent = 'Bitte Quellwaehrung, Zielwaehrung und Betrag angeben.';
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return;
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}
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if (from === to) {
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nodes.convertResult.textContent = `${amount.toLocaleString('de-DE', { maximumFractionDigits: 8 })} ${from} = ${amount.toLocaleString('de-DE', { maximumFractionDigits: 8 })} ${to}`;
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return;
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}
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try {
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const query = new URLSearchParams({ from, to });
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const data = await request(`/rate?${query.toString()}`);
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const rate = Number(data?.rate || 0);
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if (!Number.isFinite(rate) || rate <= 0) {
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throw new Error('Kein Kurs verfuegbar.');
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}
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const converted = amount * rate;
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nodes.convertResult.textContent = `${amount.toLocaleString('de-DE', { maximumFractionDigits: 8 })} ${from} = ${converted.toLocaleString('de-DE', { maximumFractionDigits: 8 })} ${to} | Kurs ${rate.toLocaleString('de-DE', { maximumFractionDigits: 8 })}`;
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} catch (error) {
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nodes.convertResult.textContent = error.message || 'Umrechnung konnte nicht berechnet werden.';
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}
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};
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[nodes.convertFrom, nodes.convertTo, nodes.convertAmount].forEach((node) => {
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node?.addEventListener('change', () => {
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calculateConversion().catch(() => {});
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});
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node?.addEventListener('input', () => {
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calculateConversion().catch(() => {});
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});
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});
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bindManualRefreshAction();
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loadHistory().catch(() => {
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renderHistory([], preferredCurrencies);
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});
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calculateConversion().catch(() => {});
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})();
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