setup i18n and ported all tools to standalone pages
This commit is contained in:
abdullahalam123
260
src/js/logic/extract-attachments-page.ts
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260
src/js/logic/extract-attachments-page.ts
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import { showAlert } from '../ui.js';
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import { downloadFile, formatBytes } from '../utils/helpers.js';
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import { createIcons, icons } from 'lucide';
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import JSZip from 'jszip';
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const worker = new Worker(import.meta.env.BASE_URL + 'workers/extract-attachments.worker.js');
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interface ExtractState {
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files: File[];
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}
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const pageState: ExtractState = {
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files: [],
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};
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function resetState() {
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pageState.files = [];
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const fileDisplayArea = document.getElementById('file-display-area');
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if (fileDisplayArea) fileDisplayArea.innerHTML = '';
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const toolOptions = document.getElementById('tool-options');
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if (toolOptions) toolOptions.classList.add('hidden');
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const statusMessage = document.getElementById('status-message');
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if (statusMessage) statusMessage.classList.add('hidden');
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const fileInput = document.getElementById('file-input') as HTMLInputElement;
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if (fileInput) fileInput.value = '';
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const processBtn = document.getElementById('process-btn');
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if (processBtn) {
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processBtn.classList.remove('opacity-50', 'cursor-not-allowed');
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processBtn.removeAttribute('disabled');
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}
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}
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function showStatus(message: string, type: 'success' | 'error' | 'info' = 'info') {
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const statusMessage = document.getElementById('status-message') as HTMLElement;
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if (!statusMessage) return;
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statusMessage.textContent = message;
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statusMessage.className = `mt-4 p-3 rounded-lg text-sm ${type === 'success'
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? 'bg-green-900 text-green-200'
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: type === 'error'
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? 'bg-red-900 text-red-200'
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: 'bg-blue-900 text-blue-200'
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}`;
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statusMessage.classList.remove('hidden');
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}
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worker.onmessage = function (e) {
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const processBtn = document.getElementById('process-btn');
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if (processBtn) {
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processBtn.classList.remove('opacity-50', 'cursor-not-allowed');
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processBtn.removeAttribute('disabled');
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}
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if (e.data.status === 'success') {
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const attachments = e.data.attachments;
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if (attachments.length === 0) {
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showAlert('No Attachments', 'The PDF file(s) do not contain any attachments to extract.');
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resetState();
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return;
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}
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const zip = new JSZip();
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let totalSize = 0;
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for (const attachment of attachments) {
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zip.file(attachment.name, new Uint8Array(attachment.data));
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totalSize += attachment.data.byteLength;
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}
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zip.generateAsync({ type: 'blob' }).then(function (zipBlob) {
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downloadFile(zipBlob, 'extracted-attachments.zip');
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showAlert('Success', `${attachments.length} attachment(s) extracted successfully!`);
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showStatus(
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`Extraction completed! ${attachments.length} attachment(s) in zip file (${formatBytes(totalSize)}). Download started.`,
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'success'
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);
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resetState();
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});
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} else if (e.data.status === 'error') {
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const errorMessage = e.data.message || 'Unknown error occurred in worker.';
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console.error('Worker Error:', errorMessage);
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if (errorMessage.includes('No attachments were found')) {
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showAlert('No Attachments', 'The PDF file(s) do not contain any attachments to extract.');
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resetState();
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} else {
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showStatus(`Error: ${errorMessage}`, 'error');
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}
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}
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};
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worker.onerror = function (error) {
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console.error('Worker error:', error);
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showStatus('Worker error occurred. Check console for details.', 'error');
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const processBtn = document.getElementById('process-btn');
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if (processBtn) {
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processBtn.classList.remove('opacity-50', 'cursor-not-allowed');
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processBtn.removeAttribute('disabled');
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}
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};
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async function updateUI() {
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const fileDisplayArea = document.getElementById('file-display-area');
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const toolOptions = document.getElementById('tool-options');
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if (!fileDisplayArea) return;
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fileDisplayArea.innerHTML = '';
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if (pageState.files.length > 0) {
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const summaryDiv = document.createElement('div');
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summaryDiv.className = 'flex items-center justify-between bg-gray-700 p-3 rounded-lg text-sm';
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const infoContainer = document.createElement('div');
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infoContainer.className = 'flex flex-col overflow-hidden';
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const countSpan = document.createElement('div');
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countSpan.className = 'font-medium text-gray-200 text-sm mb-1';
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countSpan.textContent = `${pageState.files.length} PDF file(s) selected`;
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const sizeSpan = document.createElement('div');
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sizeSpan.className = 'text-xs text-gray-400';
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const totalSize = pageState.files.reduce(function (sum, f) { return sum + f.size; }, 0);
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sizeSpan.textContent = formatBytes(totalSize);
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infoContainer.append(countSpan, sizeSpan);
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const removeBtn = document.createElement('button');
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removeBtn.className = 'ml-4 text-red-400 hover:text-red-300 flex-shrink-0';
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removeBtn.innerHTML = '<i data-lucide="trash-2" class="w-4 h-4"></i>';
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removeBtn.onclick = function () {
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resetState();
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};
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summaryDiv.append(infoContainer, removeBtn);
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fileDisplayArea.appendChild(summaryDiv);
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createIcons({ icons });
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if (toolOptions) toolOptions.classList.remove('hidden');
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} else {
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if (toolOptions) toolOptions.classList.add('hidden');
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}
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}
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async function extractAttachments() {
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if (pageState.files.length === 0) {
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showStatus('No Files', 'error');
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return;
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}
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const processBtn = document.getElementById('process-btn');
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if (processBtn) {
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processBtn.classList.add('opacity-50', 'cursor-not-allowed');
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processBtn.setAttribute('disabled', 'true');
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}
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showStatus('Reading files...', 'info');
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try {
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const fileBuffers: ArrayBuffer[] = [];
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const fileNames: string[] = [];
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for (const file of pageState.files) {
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const buffer = await file.arrayBuffer();
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fileBuffers.push(buffer);
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fileNames.push(file.name);
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}
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showStatus(`Extracting attachments from ${pageState.files.length} file(s)...`, 'info');
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const message = {
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command: 'extract-attachments',
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fileBuffers,
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fileNames,
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};
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const transferables = fileBuffers.map(function (buf) { return buf; });
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worker.postMessage(message, transferables);
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} catch (error) {
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console.error('Error reading files:', error);
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showStatus(
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`Error reading files: ${error instanceof Error ? error.message : 'Unknown error occurred'}`,
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'error'
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);
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if (processBtn) {
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processBtn.classList.remove('opacity-50', 'cursor-not-allowed');
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processBtn.removeAttribute('disabled');
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}
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}
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}
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function handleFileSelect(files: FileList | null) {
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if (files && files.length > 0) {
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const pdfFiles = Array.from(files).filter(function (f) {
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return f.type === 'application/pdf' || f.name.toLowerCase().endsWith('.pdf');
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});
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if (pdfFiles.length > 0) {
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pageState.files = pdfFiles;
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updateUI();
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}
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}
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}
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document.addEventListener('DOMContentLoaded', function () {
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const fileInput = document.getElementById('file-input') as HTMLInputElement;
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const dropZone = document.getElementById('drop-zone');
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const processBtn = document.getElementById('process-btn');
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const backBtn = document.getElementById('back-to-tools');
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if (backBtn) {
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backBtn.addEventListener('click', function () {
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window.location.href = import.meta.env.BASE_URL;
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});
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}
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if (fileInput && dropZone) {
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fileInput.addEventListener('change', function (e) {
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handleFileSelect((e.target as HTMLInputElement).files);
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});
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dropZone.addEventListener('dragover', function (e) {
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e.preventDefault();
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dropZone.classList.add('bg-gray-700');
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});
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dropZone.addEventListener('dragleave', function (e) {
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e.preventDefault();
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dropZone.classList.remove('bg-gray-700');
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});
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dropZone.addEventListener('drop', function (e) {
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e.preventDefault();
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dropZone.classList.remove('bg-gray-700');
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const files = e.dataTransfer?.files;
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if (files && files.length > 0) {
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handleFileSelect(files);
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}
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});
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fileInput.addEventListener('click', function () {
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fileInput.value = '';
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});
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}
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if (processBtn) {
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processBtn.addEventListener('click', extractAttachments);
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}
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});
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