609 lines
19 KiB
TypeScript
609 lines
19 KiB
TypeScript
import { fetchApi } from "@/lib/server-api-util";
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import { useCallback, useEffect, useRef, useState } from "react";
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import { useTranslation } from "react-i18next";
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import uuid from 'react-native-uuid';
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// 导入子组件
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import { ConfirmUpload } from "@/types/upload";
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import { View } from "react-native";
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import MultiFileUploader from "./multi-file-uploader";
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import SingleFileUploader from "./single-file-uploader";
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import UploadDropzone from "./upload-dropzone";
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import { extractVideoFirstFrame, getVideoDuration } from "./utils/videoUtils";
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// 默认允许的文件类型
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export const DEFAULT_ALLOWED_FILE_TYPES = ["video/mp4", "video/quicktime", "video/x-msvideo", "video/x-matroska"];
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export const DEFAULT_MAX_FILE_SIZE = 500 * 1024 * 1024; // 500MB
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// 上传URL响应接口
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export interface UploadUrlResponse {
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upload_url: string;
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file_id: string;
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}
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// 文件状态接口
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export interface FileStatus {
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file: File;
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id?: string;
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progress: number;
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error?: string;
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status: 'pending' | 'uploading' | 'success' | 'error';
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url?: string;
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thumbnailUrl?: string; // 添加缩略图URL
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}
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interface FileUploaderProps {
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onFilesUploaded?: (files: FileStatus[]) => void;
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maxFiles?: number;
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allowMultiple?: boolean;
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disabled?: boolean;
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className?: string;
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allowedFileTypes?: string[]; // 外部传入的允许文件类型
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maxFileSize?: number; // 外部传入的最大文件大小
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thumbnailPropsUrl?: string; // 注册后返回ai处理展示缩略图
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}
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export default function FileUploader({
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onFilesUploaded,
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maxFiles = 1,
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allowMultiple = false,
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disabled = false,
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className = "",
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allowedFileTypes = DEFAULT_ALLOWED_FILE_TYPES,
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maxFileSize = DEFAULT_MAX_FILE_SIZE,
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thumbnailPropsUrl = ""
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}: FileUploaderProps) {
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const { t } = useTranslation();
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const [files, setFiles] = useState<FileStatus[]>([]);
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const [isUploading, setIsUploading] = useState(false);
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const fileInputRef = useRef<HTMLInputElement>(null);
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// 图片的最小值
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const MIN_IMAGE_SIZE = 300;
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// 校验图片尺寸（异步）
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function validateImageDimensions(file: File): Promise<string | null> {
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return new Promise((resolve) => {
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const img = new window.Image();
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img.onload = () => {
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if (img.width < MIN_IMAGE_SIZE || img.height < MIN_IMAGE_SIZE) {
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resolve(`图片尺寸不能小于${MIN_IMAGE_SIZE}px，当前为${img.width}x${img.height}`);
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} else {
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resolve(null);
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}
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};
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img.onerror = () => resolve("无法读取图片尺寸");
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img.src = URL.createObjectURL(file);
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});
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}
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// 格式化文件大小
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const formatFileSize = (bytes: number): string => {
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if (bytes < 1024) return bytes + ' B';
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if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
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return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
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};
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// 验证文件
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const validateFile = (file: File): string | null => {
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// 验证文件类型
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if (!allowedFileTypes.includes(file.type)) {
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const errorMsg = t('validation.file.invalidType');
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// addToast({
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// title: t('fileUploader.invalidFileTitle'),
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// description: errorMsg,
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// color: "danger",
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// });
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return errorMsg;
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}
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// 验证文件大小
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// if (file.size > maxFileSize) {
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// const errorMsg = t('validation.file.tooLarge');
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// addToast({
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// title: t('fileUploader.fileTooLargeTitle'),
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// description: `${errorMsg} ${formatFileSize(maxFileSize)}`,
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// color: "danger",
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// });
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// return errorMsg;
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// }
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return null;
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};
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// 创建缩略图
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const createThumbnail = (file: File): Promise<string> => {
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return new Promise((resolve, reject) => {
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// 如果是图片文件，直接使用图片作为缩略图
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if (file.type.startsWith('image/')) {
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const reader = new FileReader();
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reader.onload = (e) => {
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if (e.target && typeof e.target.result === 'string') {
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resolve(e.target.result);
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} else {
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reject(new Error('图片加载失败'));
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}
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};
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reader.onerror = () => {
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reject(new Error('图片读取失败'));
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};
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reader.readAsDataURL(file);
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return;
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}
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// 如果是视频文件，创建视频缩略图
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const videoUrl = URL.createObjectURL(file);
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const video = document.createElement('video');
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video.src = videoUrl;
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video.crossOrigin = 'anonymous';
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video.muted = true;
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video.preload = 'metadata';
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video.onloadeddata = () => {
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try {
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// 设置视频时间到第一帧
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video.currentTime = 0.1;
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} catch (e) {
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URL.revokeObjectURL(videoUrl);
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reject(e);
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}
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};
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video.onseeked = () => {
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try {
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// 创建canvas并绘制视频帧
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const canvas = document.createElement('canvas');
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canvas.width = video.videoWidth;
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canvas.height = video.videoHeight;
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const ctx = canvas.getContext('2d');
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if (ctx) {
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ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
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const thumbnailUrl = canvas.toDataURL('image/jpeg', 0.7);
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URL.revokeObjectURL(videoUrl);
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resolve(thumbnailUrl);
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} else {
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reject(new Error('无法创建canvas上下文'));
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}
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} catch (e) {
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URL.revokeObjectURL(videoUrl);
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reject(e);
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}
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};
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video.onerror = () => {
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URL.revokeObjectURL(videoUrl);
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reject(new Error('视频加载失败'));
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};
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});
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};
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// 压缩图片函数
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async function compressImageToFile(
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file: File,
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maxWidth = 600,
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quality = 0.7,
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outputType = 'image/png'
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): Promise<File> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = (event: ProgressEvent<FileReader>) => {
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const target = event.target as FileReader;
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if (!target || !target.result) {
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reject(new Error('Failed to read file'));
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return;
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}
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const img = new Image();
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img.onload = () => {
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// 计算压缩尺寸
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const canvas = document.createElement('canvas');
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let width = img.width;
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let height = img.height;
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if (width > maxWidth) {
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height = Math.round((height * maxWidth) / width);
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width = maxWidth;
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}
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canvas.width = width;
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canvas.height = height;
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// 绘制压缩图片
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const ctx = canvas.getContext('2d');
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if (!ctx) {
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throw new Error('Could not get 2D context from canvas');
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}
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ctx.drawImage(img, 0, 0, width, height);
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// 转为 Blob 并生成 File 对象
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canvas.toBlob(
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(blob: Blob | null) => {
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if (!blob) {
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reject(new Error('Failed to create blob from canvas'));
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return;
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}
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let file_name = uuid.v4() + ".png"
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const compressedFile = new File([blob], file_name, {
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type: outputType,
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lastModified: Date.now()
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});
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resolve(compressedFile);
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},
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outputType,
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quality
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);
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};
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img.onerror = reject;
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img.src = target.result as string;
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};
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reader.onerror = reject;
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reader.readAsDataURL(file);
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});
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}
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// 新增素材
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const addMaterial = async (file: string, compressFile: string) => {
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await fetchApi('/material', {
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method: 'POST',
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body: JSON.stringify([{
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"file_id": file,
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"preview_file_id": compressFile
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}])
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}).catch((error) => {
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console.log(error);
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})
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}
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// 上传单个文件
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const uploadFile = async (fileStatus: FileStatus, fileIndex: number, compressedFile: File) => {
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// 创建新的文件状态对象，而不是修改原来的数组
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// 这样可以避免多个异步操作对同一个数组的并发修改
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let currentFileStatus: FileStatus = {
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...fileStatus,
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status: 'uploading' as const,
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progress: 0
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};
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// 使用函数更新文件状态，确保每次更新都是原子的
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const updateFileStatus = (updates: Partial<FileStatus>) => {
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currentFileStatus = { ...currentFileStatus, ...updates };
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setFiles(prevFiles => {
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const newFiles = [...prevFiles];
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newFiles[fileIndex] = currentFileStatus;
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return newFiles;
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});
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};
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// 初始化上传状态
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updateFileStatus({ status: 'uploading', progress: 0 });
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// 添加小延迟，确保初始状态能被看到
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await new Promise(resolve => setTimeout(resolve, 300));
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try {
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// 获取视频时长
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let metadata = {};
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if (fileStatus.file.type.startsWith('video/')) {
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metadata = {
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duration: (await getVideoDuration(fileStatus.file)).toString()
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}
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}
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// 获取上传URL
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updateFileStatus({ progress: 10 });
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const uploadUrlData = await getUploadUrl(fileStatus.file, metadata);
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const compressedFileData = await getUploadUrl(compressedFile, {})
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// 确保正确更新文件ID
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updateFileStatus({ id: uploadUrlData.file_id, progress: 20 });
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// 上传文件到URL
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await uploadFileToUrl(
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compressedFile,
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compressedFileData.upload_url,
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(progress) => {
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// 将实际进度映射到 60%-90% 区间
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const mappedProgress = 60 + (progress * 0.3);
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updateFileStatus({ progress: Math.round(mappedProgress) });
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}
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);
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await uploadFileToUrl(
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fileStatus.file,
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uploadUrlData.upload_url,
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(progress) => {
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// 将实际进度映射到 60%-90% 区间
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const mappedProgress = 60 + (progress * 0.3);
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updateFileStatus({ progress: Math.round(mappedProgress) });
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}
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);
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// 向服务端confirm上传
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await fetchApi<ConfirmUpload>('/file/confirm-upload', {
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method: 'POST',
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body: JSON.stringify({
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file_id: uploadUrlData.file_id
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})
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});
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await fetchApi<ConfirmUpload>('/file/confirm-upload', {
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method: 'POST',
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body: JSON.stringify({
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file_id: compressedFileData.file_id
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})
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});
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// 等待一些时间再标记为成功
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await new Promise(resolve => setTimeout(resolve, 300));
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// 更新状态为成功
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updateFileStatus({ status: 'success', progress: 100, id: uploadUrlData.file_id });
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await addMaterial(uploadUrlData.file_id, compressedFileData.file_id)
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// 打印最终状态以进行调试
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// console.log('最终文件状态:', currentFileStatus);
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// 调用回调函数
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if (onFilesUploaded) {
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// 使用当前文件状态创建一个新的数组传递给回调函数
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const updatedFiles = [...files];
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updatedFiles[fileIndex] = {
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...currentFileStatus,
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id: uploadUrlData.file_id, // 确保 ID 正确传递
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};
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// 延迟调用回调函数，确保状态已更新
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setTimeout(() => {
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// console.log('传递给回调的文件:', updatedFiles);
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onFilesUploaded(updatedFiles);
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}, 100);
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}
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} catch (error) {
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console.error('Upload error:', error);
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// 更新状态为错误
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updateFileStatus({
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status: 'error',
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error: error instanceof Error ? error.message : '上传失败'
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});
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}
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};
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// 处理文件选择
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const handleFileSelect = useCallback(async (selectedFiles: FileList | null) => {
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if (!selectedFiles) return;
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setIsUploading(true);
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const newFiles: FileStatus[] = [];
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for (let i = 0; i < selectedFiles.length; i++) {
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const file = selectedFiles[i];
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const error = validateFile(file);
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let dimensionError: string | null = null;
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if (!error && file.type.startsWith('image/')) {
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dimensionError = await validateImageDimensions(file);
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}
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let thumbnailUrl = '';
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// 只在文件验证通过且尺寸合格时创建缩略图
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if (!error && !dimensionError) {
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try {
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// 创建缩略图，支持图片和视频
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thumbnailUrl = await createThumbnail(file);
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newFiles.push({
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file,
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progress: 0,
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error: error ?? undefined,
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status: error ? 'error' : 'pending',
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thumbnailUrl
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});
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} catch (e) {
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console.error('缩略图创建失败:', e);
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}
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} else {
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// 添加警告
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// addToast({
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// title: t('fileUploader.fileTooSmallTitle'),
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// description: t('fileUploader.fileTooSmall'),
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// color: "warning",
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// });
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}
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}
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// 更新文件列表
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setFiles(prev => {
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// 单文件模式下且已有文件时，替换现有文件
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if (maxFiles === 1 && prev.length > 0 && newFiles.length > 0) {
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return [newFiles[0]]; // 只保留新选择的第一个文件
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} else {
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// 多文件模式，合并并限制数量
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const combinedFiles = [...prev, ...newFiles];
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return combinedFiles.length > maxFiles
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? combinedFiles.slice(0, maxFiles)
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: combinedFiles;
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}
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});
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// 在状态更新后，使用 useEffect 来处理上传
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setIsUploading(false);
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}, [maxFiles]);
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// 获取上传URL
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const getUploadUrl = async (file: File, metadata: { [key: string]: string }): Promise<UploadUrlResponse> => {
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const body = {
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filename: file.name,
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content_type: file.type,
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file_size: file.size,
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metadata
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}
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return await fetchApi<UploadUrlResponse>("/file/generate-upload-url", {
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method: 'POST',
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body: JSON.stringify(body)
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});
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};
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// 上传文件到URL
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const uploadFileToUrl = async (file: File, uploadUrl: string, onProgress: (progress: number) => void): Promise<void> => {
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return new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest();
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xhr.open('PUT', uploadUrl);
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xhr.setRequestHeader('Content-Type', file.type);
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// 进度监听
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xhr.upload.onprogress = (event) => {
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if (event.lengthComputable) {
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const progress = Math.round((event.loaded / event.total) * 100);
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onProgress(progress);
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}
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};
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xhr.onload = () => {
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if (xhr.status >= 200 && xhr.status < 300) {
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resolve();
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} else {
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reject(new Error(`Upload failed with status ${xhr.status}`));
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}
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};
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xhr.onerror = () => {
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reject(new Error('Network error during upload'));
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};
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xhr.send(file);
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});
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};
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// 移除文件
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const removeFile = (fileToRemove: File) => {
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setFiles(prev => prev.filter(fileStatus => fileStatus.file !== fileToRemove));
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};
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// 清除所有文件
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const clearFiles = () => {
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setFiles([]);
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};
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// 打开文件选择器
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const openFileSelector = () => {
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if (!disabled) {
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if (fileInputRef.current) {
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fileInputRef.current.click();
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} else {
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const input = document.createElement('input');
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input.type = 'file';
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input.accept = allowedFileTypes.join(',');
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input.multiple = allowMultiple;
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input.onchange = (e) => handleFileSelect((e.target as HTMLInputElement).files);
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input.click();
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}
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}
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};
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// 使用 useEffect 监听 files 变化，处理待上传的文件
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useEffect(() => {
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const processFiles = async () => {
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// Only process files that are in 'pending' status
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const pendingFiles = files
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.filter(f => f.status === 'pending')
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.filter((fileStatus, index, self) =>
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index === self.findIndex(f => f.file === fileStatus.file)
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); // Remove duplicates
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if (pendingFiles.length === 0) return;
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// Create a new array with updated status to prevent infinite loops
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setFiles(prevFiles =>
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prevFiles.map(file =>
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pendingFiles.some(pf => pf.file === file.file)
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? { ...file, status: 'uploading' as const }
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: file
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)
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);
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// Process each file sequentially to avoid race conditions
|
||
for (const fileStatus of pendingFiles) {
|
||
try {
|
||
const fileIndex = files.findIndex(f => f.file === fileStatus.file);
|
||
if (fileIndex === -1) continue;
|
||
|
||
let compressedFile: File;
|
||
if (fileStatus.file.type?.includes('video')) {
|
||
const frameFile = await extractVideoFirstFrame(fileStatus.file);
|
||
compressedFile = await compressImageToFile(frameFile, 600, 0.7);
|
||
} else {
|
||
compressedFile = fileStatus.file;
|
||
}
|
||
|
||
await uploadFile(
|
||
{ ...fileStatus, status: 'uploading' as const },
|
||
fileIndex,
|
||
compressedFile
|
||
);
|
||
} catch (error) {
|
||
console.error('Error processing file:', error);
|
||
setFiles(prevFiles =>
|
||
prevFiles.map(f =>
|
||
f.file === fileStatus.file
|
||
? {
|
||
...f,
|
||
status: 'error' as const,
|
||
error: error instanceof Error ? error.message : '处理文件失败'
|
||
}
|
||
: f
|
||
)
|
||
);
|
||
}
|
||
}
|
||
};
|
||
|
||
processFiles();
|
||
}, [files]); // Only run when files array changes
|
||
|
||
return (
|
||
<View className={className}
|
||
aria-label="文件上传"
|
||
>
|
||
{/* 隐藏的文件输入 */}
|
||
<input
|
||
ref={fileInputRef}
|
||
type="file"
|
||
accept={allowedFileTypes.join(',')}
|
||
multiple={allowMultiple}
|
||
onChange={(e) => handleFileSelect(e.target.files)}
|
||
className="hidden"
|
||
/>
|
||
|
||
{/* 文件上传区域 - 始终可见 */}
|
||
<View className="space-y-6 h-full">
|
||
{/* 上传区域 */}
|
||
{maxFiles === 1 && files.length === 1 ? (
|
||
/* 单文件模式且已有文件 - 不添加外层的onClick事件 */
|
||
<SingleFileUploader
|
||
file={files[0]}
|
||
onReplace={openFileSelector}
|
||
disabled={disabled}
|
||
/>
|
||
) : thumbnailPropsUrl ? <img
|
||
src={thumbnailPropsUrl}
|
||
className="w-full h-full object-cover"
|
||
/> : (
|
||
/* 多文件模式或无文件 - 只在组件上添加一个onClick事件 */
|
||
<UploadDropzone
|
||
onClick={openFileSelector}
|
||
disabled={disabled}
|
||
allowedFileTypes={allowedFileTypes}
|
||
// maxFileSize={maxFileSize}
|
||
/>
|
||
)}
|
||
|
||
{/* 文件列表区域 - 仅在多文件模式下显示 */}
|
||
{maxFiles !== 1 && files.length > 0 && (
|
||
<MultiFileUploader
|
||
files={files}
|
||
onRemove={removeFile}
|
||
onClearAll={clearFiles}
|
||
formatFileSize={formatFileSize}
|
||
disabled={disabled}
|
||
/>
|
||
)}
|
||
</View>
|
||
</View>
|
||
);
|
||
} |