482 lines
12 KiB
TypeScript
482 lines
12 KiB
TypeScript
'use client'
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import { useRef, useState, useCallback, ChangeEvent, DragEvent, useEffect } from 'react';
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import { IconShieldAdd } from '@/app/ui/icons/icons';
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import { fileUpload, cancelUpload, chunkUpload, checkChunkStatus } from '@/app/actions/file-upload';
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import { useTranslations } from 'next-intl';
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import { useNavigationBlocker } from '@/app/hooks/useNavigationBlocker';
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interface SelectedFile {
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file: File;
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preview: string;
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name: string;
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size: string;
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dimensions?: {
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width: number;
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height: number;
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};
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}
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interface FileUploadInitResponse {
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upload_id: string,
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file_name: string,
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total_chunks: number,
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chunk_size: number,
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status: string
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}
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interface UploadSectionFile {
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fileType: string
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allowedExtensions: string[]
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maxFileSize: number
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}
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export default function UploadSectionFile({ fileType, allowedExtensions, maxFileSize }: UploadSectionFile) {
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const fileInputRef = useRef<HTMLInputElement>(null);
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const [isDragging, setIsDragging] = useState<boolean>(false);
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const [selectedFile, setSelectedFile] = useState<SelectedFile | null>(null);
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const [error, setError] = useState<string | null>(null);
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const [uploadId, setUploadId] = useState<string | null>(null);
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const [isFileUploaded, setIsFileUploaded] = useState<boolean>(false);
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const [uploadProgress, setUploadProgress] = useState<number>(0);
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const t = useTranslations('Global');
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let SUPPORTED_FORMATS: string[] = [];
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switch (fileType) {
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case 'IMAGE':
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SUPPORTED_FORMATS = [
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'image/jpeg',
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'image/jpg',
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'image/png',
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'image/gif',
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'image/bmp',
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'image/webp',
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'image/svg+xml',
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'image/tiff',
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'image/x-icon'
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];
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break;
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case 'VIDEO':
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SUPPORTED_FORMATS = [
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'video/mp4',
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'video/mpeg',
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'video/ogg',
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'video/webm',
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'video/quicktime',
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'video/x-msvideo',
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'video/x-matroska',
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'video/x-flv',
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'video/3gpp',
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'video/3gpp2'
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];
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break;
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case 'AUDIO':
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SUPPORTED_FORMATS = [
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'audio/mpeg',
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'audio/wav',
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'audio/wave',
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'audio/x-wav',
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'audio/x-pn-wav',
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'audio/ogg',
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'audio/webm',
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'audio/aac',
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'audio/mp4',
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'audio/x-m4a',
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'audio/flac',
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'audio/x-flac',
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'audio/opus'
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];
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break;
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default:
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break;
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}
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const ALLOWED_EXTENSIONS: string[] = allowedExtensions;
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const validateFile = (file: File): { isValid: boolean; errorMessage?: string } => {
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if (!SUPPORTED_FORMATS.includes(file.type as string)) {
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const extension = file.name.split('.').pop()?.toLowerCase();
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if (!extension || !ALLOWED_EXTENSIONS.includes(extension as string)) {
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return {
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isValid: false,
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errorMessage: 'Неподдерживаемый формат файла.'
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};
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}
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}
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const MAX_SIZE = maxFileSize;
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if (file.size > MAX_SIZE) {
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return {
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isValid: false,
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errorMessage: 'Файл слишком большой. Максимальный размер: 1000MB'
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};
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}
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return { isValid: true };
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};
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const getImageDimensions = (file: File): Promise<{ width: number; height: number }> => {
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return new Promise((resolve, reject) => {
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const img = new Image();
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const objectUrl = URL.createObjectURL(file);
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img.onload = () => {
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const dimensions = {
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width: img.width,
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height: img.height
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};
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URL.revokeObjectURL(objectUrl);
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resolve(dimensions);
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};
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img.onerror = () => {
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URL.revokeObjectURL(objectUrl);
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reject(new Error('Не удалось загрузить фаил'));
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};
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img.src = objectUrl;
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});
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};
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const handleFileSelect = useCallback(async (file: File | null): Promise<void> => {
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if (!file) {
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setError(null);
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return;
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}
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setUploadProgress(0);
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setError(null);
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const validation = validateFile(file);
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if (!validation.isValid) {
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setError(validation.errorMessage || 'Неизвестная ошибка валидации');
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return;
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}
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try {
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let dimensions = undefined;
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if (fileType === "IMAGE") {
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dimensions = await getImageDimensions(file) as { width: number, height: number };
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if (dimensions.width < 150 || dimensions.height < 150 ||
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dimensions.width > 10000 || dimensions.height > 10000) {
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setError(`Размер изображения: ${dimensions.width}x${dimensions.height}. Допустимый диапазон: 150x150 - 10000x10000 пикселей.`);
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return;
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}
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}
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const objectUrl = URL.createObjectURL(file);
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setSelectedFile({
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file,
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preview: objectUrl,
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name: file.name,
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size: `${(file.size / 1024 / 1024).toFixed(2)} MB`,
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...(dimensions && { dimensions })
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});
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console.log('Файл обработан:', {
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file: file,
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name: file.name,
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type: file.type,
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size: file.size,
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...(dimensions && { dimensions })
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});
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} catch (err) {
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setError(err instanceof Error ? err.message : 'Ошибка при обработке файла');
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}
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}, []);
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const handleFileInputChange = (event: ChangeEvent<HTMLInputElement>): void => {
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const file = event.target.files?.[0] || null;
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handleFileSelect(file);
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if (fileInputRef.current) {
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fileInputRef.current.value = '';
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}
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};
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const handleButtonClick = (): void => {
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if (fileInputRef.current) {
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fileInputRef.current.click();
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}
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};
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const handleDragOver = (event: DragEvent<HTMLDivElement>): void => {
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event.preventDefault();
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setIsDragging(true);
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};
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const handleDragLeave = (): void => {
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setIsDragging(false);
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};
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const handleDrop = (event: DragEvent<HTMLDivElement>): void => {
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event.preventDefault();
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setIsDragging(false);
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const file = event.dataTransfer.files[0];
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handleFileSelect(file);
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};
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const handleClearFile = async (): Promise<void> => {
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if (selectedFile) {
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URL.revokeObjectURL(selectedFile.preview);
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}
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if (uploadId) {
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await cancelUpload(uploadId);
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}
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setIsFileUploaded(false);
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setSelectedFile(null);
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setError(null);
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setUploadProgress(0);
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};
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const handlerFileUpload = async (file: SelectedFile): Promise<void> => {
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const extension = file.name.split('.').pop();
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if (!extension) {
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setError(t('file-has-no-extension'));
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return;
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}
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const initMessageBody = {
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file_name: file.name,
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file_type: fileType,
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extension: extension,
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file_size: file.file.size
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};
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const response = await fileUpload(initMessageBody) as FileUploadInitResponse;
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if (response?.upload_id) {
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setUploadId(response.upload_id);
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const CHUNK_SIZE = response.chunk_size;
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const totalChunks = response.total_chunks;
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const fileSize = file.file.size;
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let start = 0;
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let chunkIndex = 0;
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try {
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while (start < fileSize) {
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const end = Math.min(start + CHUNK_SIZE, fileSize);
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const chunk = file.file.slice(start, end);
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const formData = new FormData();
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formData.append('upload_id', response.upload_id);
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formData.append('chunk_number', chunkIndex.toString());
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formData.append('chunk', chunk);
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const chunkResponse = await chunkUpload(formData);
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if (chunkResponse.message_desc !== 'Chunk uploaded successfully') {
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throw 'Er1'
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}
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if (chunkIndex === totalChunks - 1) {
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const chunkStatus = await checkChunkStatus(response.upload_id);
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if (chunkStatus.message_body.missing_chunks === 0) {
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setUploadId(null);
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setIsFileUploaded(true);
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} else {
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throw 'Er2'
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}
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}
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start = end;
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chunkIndex++;
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setUploadProgress(
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() => {
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return Math.floor(chunkIndex / totalChunks * 100);
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}
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);
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}
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} catch (error) {
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setError('Chunk uploaded error ' + error);
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console.error('Chunk upload error:', error);
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}
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} else {
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console.log(response);
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setError('file uploaded error');
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}
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}
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useEffect(() => {
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// Обработка закрытия вкладки
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// Тут можно попробовать изучить вопрос с navigator.sendBeacon('', blob)
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// он нужен для того что бы послать запрос на бек при закрытии вкладки,
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// но у него есть свои особенности и стандартные запросы не работают.
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const handleUnload = () => {
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if (uploadId) {
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//const data = JSON.stringify({ uploadId, reason: 'tab_closed' });
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//const blob = new Blob([data], { type: 'application/json' });
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//navigator.sendBeacon('/api/v1/data/cancel', blob);
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console.log('sendBeacon');
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}
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};
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if (uploadId) {
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window.addEventListener('unload', handleUnload);
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}
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return () => {
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window.removeEventListener('unload', handleUnload);
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};
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}, [uploadId]);
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useNavigationBlocker({
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shouldBlock: !!uploadId,
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message: t('have-unsaved-changes'),
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onConfirm: async () => {
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console.log('User confirmed navigation');
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if (uploadId) {
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await cancelUpload(uploadId);
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}
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},
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onCancel: () => {
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console.log('User cancelled navigation');
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}
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});
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return (
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<div className="upload-section">
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<h3>
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{t('upload-for-protection', { fileType: t(fileType.toLocaleLowerCase()) })}
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</h3>
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<div
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className={`drag-drop-zone ${isDragging ? 'dragging' : ''}`}
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onDragOver={handleDragOver}
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onDragLeave={handleDragLeave}
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onDrop={handleDrop}
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style={{
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border: isDragging ? '2px dashed #3b82f6' : '2px dashed #d1d5db',
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backgroundColor: isDragging ? '#eff6ff' : '#f9fafb',
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padding: '2rem',
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borderRadius: '.75rem',
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textAlign: 'center',
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transition: 'all .2s ease-in-out'
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}}
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>
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<IconShieldAdd />
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<h4>
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{t('drag-the-file-here')}
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</h4>
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<p className="mb-2.5 text-[#6b7280]">
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{t('or')}
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</p>
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<input
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ref={fileInputRef}
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type="file"
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accept={
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ALLOWED_EXTENSIONS.map(e => `.${e}`).join(',')
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}
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style={{ display: 'none' }}
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onChange={handleFileInputChange}
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aria-label="Выбор файла для защиты"
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/>
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<button
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className="btn btn-primary"
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onClick={handleButtonClick}
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type="button"
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>
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{t('select-files-to-protect')}
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</button>
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{fileType === "IMAGE" && (
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<p className="description">
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Разрешение изображение: 100x100 - 10000x10000
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</p>
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)}
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<p className="description">
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Размер файла: до {(maxFileSize / 1024 / 1024)} МБ
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</p>
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<p className="description">
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Формат файла: {ALLOWED_EXTENSIONS.join(', ')}
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</p>
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{error && (
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<div className="mt-4 p-3 bg-red-50 border border-red-200 rounded-lg">
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<p className="text-red-600 font-medium">{error}</p>
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</div>
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)}
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{selectedFile && (
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<div
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className="selected-file"
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>
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<div className="selected-file-file-info">
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<div>
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<p className="text-gray-700">
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<span className="font-medium">
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{t('file')}:
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</span> {selectedFile.name}
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</p>
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<p className="text-gray-700">
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<span className="font-medium">
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{t('size')}:
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</span> {selectedFile.size}
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</p>
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<p className="text-gray-700">
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<span className="font-medium">Стоимость защиты:</span> 0
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</p>
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<p className="text-gray-700">
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<span className="font-medium">Текущий баланс:</span> 0
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</p>
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</div>
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<div>
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{isFileUploaded && (
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<div className="font-medium text-green-600 text-2xl">
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{t('file-successfully-uploaded')}
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</div>
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)}
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</div>
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</div>
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{fileType === 'IMAGE' && (
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<img
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src={selectedFile.preview}
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alt="Предпросмотр загруженного изображения"
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className="uploaded-image"
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onError={() => setError('Не удалось загрузить превью изображения')}
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/>
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)}
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<div className="mt-4 flex gap-3 justify-center relative">
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<button
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className="btn btn-cancel"
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onClick={handleClearFile}
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type="button"
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>
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{isFileUploaded ? t('close') : t('cancel')}
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</button>
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<button
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className={`btn btn-confirm ${error ? 'disabled' : ''}`}
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onClick={() => {
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handlerFileUpload(selectedFile);
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}}
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type="button"
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disabled={error ? true : false}
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>
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{t('upload-file')}
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</button>
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{uploadProgress !== 0 && (
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<div
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className={`absolute top-5 right-5 font-medium ${isFileUploaded ? "text-green-600" : ""}`}
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>
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{uploadProgress}%
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</div>
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)}
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</div>
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</div>
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)}
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</div>
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</div>
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);
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} |