Feat: Complete UI redesign, backend optimization, and Docker deployment support
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// DOM Elements
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const elements = {
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uploadArea: document.getElementById('uploadArea'),
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fileInput: document.getElementById('fileInput'),
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loadingOverlay: document.getElementById('loadingOverlay'),
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loadingText: document.getElementById('loadingText'),
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noData: document.getElementById('noData'),
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dataDisplay: document.getElementById('dataDisplay'),
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uploadModal: document.getElementById('uploadModal'),
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fileList: document.getElementById('fileList'),
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fileSelector: document.getElementById('fileSelector'),
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dailyData: document.getElementById('dailyData'),
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searchInput: document.getElementById('searchInput'),
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// Stats
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totalAmount: document.getElementById('totalAmount'),
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totalQuantity: document.getElementById('totalQuantity'),
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totalDays: document.getElementById('totalDays'),
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totalProducts: document.getElementById('totalProducts')
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};
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// State
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let state = {
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allData: null,
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filteredData: null,
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currentFilter: 'all',
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searchTerm: '',
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currentFile: null,
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fileList: [],
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currentPage: 1,
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itemsPerPage: 50
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};
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// --- Event Listeners ---
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document.addEventListener('DOMContentLoaded', () => {
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loadFileList();
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if (elements.searchInput) {
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elements.searchInput.addEventListener('input', (e) => {
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state.searchTerm = e.target.value.toLowerCase();
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applyFilters();
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});
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}
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});
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if (elements.fileInput) {
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elements.fileInput.addEventListener('change', (e) => handleFile(e.target.files[0]));
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}
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if (elements.uploadArea) {
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elements.uploadArea.addEventListener('dragover', (e) => {
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e.preventDefault();
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elements.uploadArea.classList.add('active');
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});
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elements.uploadArea.addEventListener('dragleave', () => {
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elements.uploadArea.classList.remove('active');
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});
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elements.uploadArea.addEventListener('drop', (e) => {
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e.preventDefault();
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elements.uploadArea.classList.remove('active');
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if (e.dataTransfer.files.length > 0) {
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handleFile(e.dataTransfer.files[0]);
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}
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});
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elements.uploadArea.addEventListener('click', () => {
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elements.fileInput.click();
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});
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}
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// --- Core Functions ---
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function handleFile(file) {
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if (!file) return;
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if (!file.name.match(/\.(xlsx|xls)$/i)) {
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alert('请选择 Excel 文件 (.xlsx 或 .xls)');
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return;
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}
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closeUploadModal();
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uploadFile(file);
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}
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function uploadFile(file) {
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const formData = new FormData();
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formData.append('file', file);
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showLoading(true, '正在上传并分析...');
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fetch('/upload', { method: 'POST', body: formData })
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.then(res => res.json())
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.then(data => {
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setTimeout(() => {
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showLoading(false);
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if (data.success) {
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state.currentFile = data.filename;
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displayData(data.data);
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loadFileList();
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} else {
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alert(data.error || '上传失败');
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}
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}, 500);
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})
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.catch(err => {
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showLoading(false);
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alert('上传错误: ' + err.message);
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});
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}
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function loadFileList() {
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fetch('/files')
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.then(res => res.json())
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.then(data => {
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if (data.files && data.files.length > 0) {
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state.fileList = data.files;
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renderFileList(data.files);
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if (!state.currentFile) {
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loadFile(data.files[0].filename);
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}
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} else {
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elements.fileSelector.style.display = 'none';
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}
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});
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}
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function loadFile(filename) {
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showLoading(true, '加载数据中...');
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fetch(`/load/${filename}`)
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.then(res => res.json())
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.then(data => {
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setTimeout(() => {
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showLoading(false);
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if (data.success) {
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state.currentFile = filename;
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displayData(data.data);
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renderFileList(state.fileList); // Update active state
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} else {
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elements.noData.style.display = 'flex';
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elements.dataDisplay.style.display = 'none';
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}
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}, 300);
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})
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.catch(() => {
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showLoading(false);
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elements.noData.style.display = 'flex';
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});
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}
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function displayData(data) {
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state.allData = data;
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elements.noData.style.display = 'none';
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elements.dataDisplay.style.display = 'block';
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applyFilters();
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}
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function renderStats(data) {
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let totalQty = 0;
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let totalAmt = 0;
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const days = data.daily_summary.length;
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const uniqueProducts = new Set(); // Simplified unique product count logic based on daily summary data structure might differ, here we approximate or iterate raw if needed.
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// Correction: Use raw_data for unique products count if available, or iterate all dailies.
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data.daily_summary.forEach(day => {
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if (day.summary_info) {
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totalQty += day.summary_info.total_quantity;
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totalAmt += day.summary_info.total_amount;
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} else {
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totalQty += day.total_quantity;
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totalAmt += day.total_amount;
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}
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day.products.forEach(p => uniqueProducts.add(p.product));
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});
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// Count Animation
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animateValue(elements.totalAmount, totalAmt, '¥');
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animateValue(elements.totalQuantity, totalQty, '');
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animateValue(elements.totalDays, days, '');
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animateValue(elements.totalProducts, uniqueProducts.size, '');
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}
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function animateValue(obj, end, prefix = '') {
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if (!obj) return;
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let startTimestamp = null;
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const duration = 1000;
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const start = 0;
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const step = (timestamp) => {
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if (!startTimestamp) startTimestamp = timestamp;
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const progress = Math.min((timestamp - startTimestamp) / duration, 1);
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const value = Math.floor(progress * (end - start) + start);
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if (prefix === '¥') {
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obj.innerHTML = prefix + (progress * end).toFixed(2);
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} else {
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obj.innerHTML = prefix + value;
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}
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if (progress < 1) {
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window.requestAnimationFrame(step);
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} else {
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if (prefix === '¥') {
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obj.innerHTML = prefix + end.toFixed(2);
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} else {
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obj.innerHTML = prefix + end;
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}
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}
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};
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window.requestAnimationFrame(step);
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}
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function renderDailyList(data) {
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elements.dailyData.innerHTML = data.daily_summary.map(day => {
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const totalAmt = day.summary_info ? day.summary_info.total_amount : day.total_amount;
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const totalQty = day.summary_info ? day.summary_info.total_quantity : day.total_quantity;
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return `
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<div class="day-card glass-card expanded">
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<div class="day-header" onclick="toggleDayDetails(this)">
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<div class="day-info">
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<span class="date">${day.date}</span>
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<span class="summary">¥${totalAmt.toFixed(2)} / ${totalQty}件</span>
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</div>
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<i class="fas fa-chevron-down toggle-icon"></i>
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</div>
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<div class="day-details">
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<div class="product-list">
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${day.products.map(p => `
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<div class="product-item">
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<div class="p-name">${p.product}</div>
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<div class="p-meta">
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<span class="p-price">¥${p.price.toFixed(2)}</span>
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<span class="p-qty">x${p.quantity}</span>
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<span class="p-total">¥${p.amount.toFixed(2)}</span>
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</div>
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</div>
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`).join('')}
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</div>
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</div>
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</div>
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`;
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}).join('');
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}
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function toggleDayDetails(header) {
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const card = header.parentElement;
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card.classList.toggle('expanded');
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}
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function applyFilters() {
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if (!state.allData) return;
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let filtered = JSON.parse(JSON.stringify(state.allData));
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// Search Filter
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if (state.searchTerm) {
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filtered.daily_summary = filtered.daily_summary.map(day => {
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const matchedProducts = day.products.filter(p => p.product.toLowerCase().includes(state.searchTerm));
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if (matchedProducts.length > 0) {
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const tQty = matchedProducts.reduce((a, b) => a + b.quantity, 0);
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const tAmt = matchedProducts.reduce((a, b) => a + b.amount, 0);
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return { ...day, products: matchedProducts, total_quantity: tQty, total_amount: tAmt, summary_info: null };
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}
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return null;
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}).filter(d => d);
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}
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// Amount Filter
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if (state.currentFilter !== 'all') {
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filtered.daily_summary = filtered.daily_summary.filter(day => {
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const amt = day.summary_info ? day.summary_info.total_amount : day.total_amount;
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if (state.currentFilter === 'high') return amt >= 1000;
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if (state.currentFilter === 'medium') return amt >= 100 && amt < 1000;
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if (state.currentFilter === 'low') return amt < 100;
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return true;
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});
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}
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state.filteredData = filtered;
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renderStats(filtered);
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renderDailyList(filtered);
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}
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function filterByAmount(type) {
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state.currentFilter = type;
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document.querySelectorAll('.filter-chip').forEach(btn => btn.classList.remove('active'));
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event.target.classList.add('active');
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applyFilters();
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}
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function renderFileList(files) {
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elements.fileSelector.style.display = 'flex';
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elements.fileList.innerHTML = files.map(f => `
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<div class="file-tag ${f.filename === state.currentFile ? 'active' : ''}" onclick="loadFile('${f.filename}')">
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${f.original_name}
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</div>
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`).join('');
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}
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// --- Utils ---
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function openUploadModal() {
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elements.uploadModal.classList.add('active');
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}
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function closeUploadModal() {
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elements.uploadModal.classList.remove('active');
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}
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function showLoading(show, text) {
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elements.loadingOverlay.style.display = show ? 'flex' : 'none';
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if (text) elements.loadingText.textContent = text;
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}
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function cleanupFiles() {
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if (!confirm('确认清理旧文件？')) return;
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fetch('/cleanup', { method: 'POST' })
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.then(res => res.json())
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.then(data => {
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alert(data.message);
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loadFileList();
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if (data.deleted_count > 0 && state.currentFile) {
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// Check if current file still exists? Simple approach: reload list
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// Logic omitted for brevity, user can re-upload
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}
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});
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}
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function exportData() {
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if (!state.allData) return;
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const data = state.filteredData || state.allData;
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let csv = "Date,Product,Quantity,Price,Amount\n";
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data.daily_summary.forEach(day => {
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day.products.forEach(p => {
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csv += `${day.date},${p.product},${p.quantity},${p.price},${p.amount}\n`;
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});
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});
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const blob = new Blob([csv], { type: 'text/csv;charset=utf-8' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = 'sales_data.csv';
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a.click();
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}
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