Lan
358 lines
9.6 KiB
TypeScript
358 lines
9.6 KiB
TypeScript
import { ref, computed, readonly } from 'vue'
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import { PresignUploadService } from '@/services'
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import { useAlertStore } from '@/stores/alertStore'
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import { FILE_SIZE_LIMITS } from '@/constants'
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import type {
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PresignUploadStatus,
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PresignUploadMode,
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PresignInitResponse,
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PresignUploadOptions,
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PresignStatusResponse,
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UploadProgress,
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ExpireStyle
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} from '@/types'
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import axios from 'axios'
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// 预签名上传状态常量
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export const PRESIGN_UPLOAD_STATUS = {
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IDLE: 'idle',
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INITIALIZING: 'initializing',
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UPLOADING: 'uploading',
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CONFIRMING: 'confirming',
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SUCCESS: 'success',
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ERROR: 'error'
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} as const
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// 默认过期配置
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const DEFAULT_EXPIRE_VALUE = 1
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const DEFAULT_EXPIRE_STYLE: ExpireStyle = 'day'
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/**
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* 预签名上传 Composable
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* 支持 S3 直传模式和服务器代理模式
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*/
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export function usePresignedUpload() {
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const alertStore = useAlertStore()
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// 状态管理
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const presignStatus = ref<PresignUploadStatus>(PRESIGN_UPLOAD_STATUS.IDLE)
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const uploadSession = ref<PresignInitResponse | null>(null)
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const uploadProgress = ref<UploadProgress>({
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loaded: 0,
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total: 0,
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percentage: 0
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})
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const uploadedCode = ref<string>('')
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const errorMessage = ref<string>('')
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// 计算属性
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const isInitializing = computed(() => presignStatus.value === PRESIGN_UPLOAD_STATUS.INITIALIZING)
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const isUploading = computed(() => presignStatus.value === PRESIGN_UPLOAD_STATUS.UPLOADING)
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const isConfirming = computed(() => presignStatus.value === PRESIGN_UPLOAD_STATUS.CONFIRMING)
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const isSuccess = computed(() => presignStatus.value === PRESIGN_UPLOAD_STATUS.SUCCESS)
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const isError = computed(() => presignStatus.value === PRESIGN_UPLOAD_STATUS.ERROR)
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const currentMode = computed<PresignUploadMode | null>(() => uploadSession.value?.mode ?? null)
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/**
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* 文件大小验证
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*/
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const validateFileSize = (file: File): boolean => {
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if (file.size > FILE_SIZE_LIMITS.MAX_FILE_SIZE) {
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const maxSizeMB = Math.round(FILE_SIZE_LIMITS.MAX_FILE_SIZE / 1024 / 1024)
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errorMessage.value = `文件大小不能超过 ${maxSizeMB}MB`
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alertStore.showAlert(errorMessage.value, 'error')
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return false
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}
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return true
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}
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/**
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* 进度追踪回调
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*/
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const createProgressHandler = (
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externalHandler?: (progress: UploadProgress) => void
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): ((progress: UploadProgress) => void) => {
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return (progress: UploadProgress) => {
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// 确保进度值在有效范围内
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uploadProgress.value = {
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loaded: Math.max(0, progress.loaded),
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total: Math.max(0, progress.total),
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percentage: Math.min(100, Math.max(0, progress.percentage))
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}
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// 调用外部进度回调
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if (externalHandler) {
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externalHandler(uploadProgress.value)
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}
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}
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}
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/**
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* 错误处理
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*/
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const handleUploadError = (error: unknown): void => {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.ERROR
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if (axios.isAxiosError(error)) {
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const status = error.response?.status
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const detail = error.response?.data?.detail
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switch (status) {
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case 400:
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errorMessage.value = detail || '请求参数错误'
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break
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case 403:
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errorMessage.value = detail || '操作被禁止'
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break
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case 404:
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errorMessage.value = '上传会话不存在或已过期'
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break
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case 500:
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errorMessage.value = '服务器错误，请稍后重试'
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break
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default:
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errorMessage.value = detail || '上传失败，请重试'
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}
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} else if (error instanceof Error) {
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errorMessage.value = error.message
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} else {
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errorMessage.value = '未知错误'
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}
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alertStore.showAlert(errorMessage.value, 'error')
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}
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/**
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* 初始化上传会话
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*/
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const initUploadSession = async (
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file: File,
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options?: PresignUploadOptions
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): Promise<PresignInitResponse | null> => {
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try {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.INITIALIZING
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const response = await PresignUploadService.initUpload({
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file_name: file.name,
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file_size: file.size,
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expire_value: options?.expireValue ?? DEFAULT_EXPIRE_VALUE,
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expire_style: options?.expireStyle ?? DEFAULT_EXPIRE_STYLE
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})
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if (response.code === 200 && response.detail) {
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uploadSession.value = response.detail
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return response.detail
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} else {
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throw new Error(response.message || '初始化上传失败')
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}
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} catch (error) {
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handleUploadError(error)
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return null
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}
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}
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/**
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* 直传模式上传到 S3
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*/
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const uploadDirect = async (
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file: File,
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session: PresignInitResponse,
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options?: PresignUploadOptions
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): Promise<string | null> => {
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try {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.UPLOADING
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// 上传到 S3
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const progressHandler = createProgressHandler(options?.onProgress)
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const uploadSuccess = await PresignUploadService.directUploadToS3(
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session.upload_url,
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file,
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progressHandler
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)
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if (!uploadSuccess) {
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throw new Error('S3 上传失败')
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}
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// 确认上传
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presignStatus.value = PRESIGN_UPLOAD_STATUS.CONFIRMING
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const confirmResponse = await PresignUploadService.confirmUpload(session.upload_id, {
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expire_value: options?.expireValue ?? DEFAULT_EXPIRE_VALUE,
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expire_style: options?.expireStyle ?? DEFAULT_EXPIRE_STYLE
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})
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if (confirmResponse.code === 200 && confirmResponse.detail?.code) {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.SUCCESS
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uploadedCode.value = String(confirmResponse.detail.code)
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// 确保进度为 100%
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uploadProgress.value = {
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loaded: file.size,
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total: file.size,
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percentage: 100
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}
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alertStore.showAlert('文件上传成功！', 'success')
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return uploadedCode.value
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} else {
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throw new Error(confirmResponse.message || '确认上传失败')
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}
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} catch (error) {
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handleUploadError(error)
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return null
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}
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}
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/**
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* 代理模式上传
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*/
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const uploadProxy = async (
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file: File,
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session: PresignInitResponse,
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options?: PresignUploadOptions
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): Promise<string | null> => {
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try {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.UPLOADING
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const progressHandler = createProgressHandler(options?.onProgress)
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const response = await PresignUploadService.proxyUpload(
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session.upload_id,
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file,
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progressHandler
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)
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if (response.code === 200 && response.detail?.code) {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.SUCCESS
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uploadedCode.value = String(response.detail.code)
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// 确保进度为 100%
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uploadProgress.value = {
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loaded: file.size,
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total: file.size,
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percentage: 100
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}
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alertStore.showAlert('文件上传成功！', 'success')
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return uploadedCode.value
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} else {
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throw new Error(response.message || '代理上传失败')
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}
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} catch (error) {
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handleUploadError(error)
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return null
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}
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}
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/**
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* 上传文件（主入口方法）
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* 根据 mode 自动选择直传或代理上传
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*/
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const uploadFile = async (
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file: File,
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options?: PresignUploadOptions
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): Promise<string | null> => {
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// 重置状态
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reset()
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// 验证文件大小
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if (!validateFileSize(file)) {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.ERROR
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return null
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}
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// 初始化上传会话
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const session = await initUploadSession(file, options)
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if (!session) {
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return null
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}
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// 根据模式选择上传方式
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if (session.mode === 'direct') {
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return await uploadDirect(file, session, options)
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} else {
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return await uploadProxy(file, session, options)
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}
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}
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/**
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* 取消上传
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*/
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const cancelUpload = async (): Promise<void> => {
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if (!uploadSession.value?.upload_id) {
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return
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}
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try {
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await PresignUploadService.cancelUpload(uploadSession.value.upload_id)
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alertStore.showAlert('上传已取消', 'info')
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} catch (error) {
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// 取消失败时静默处理，因为会话可能已过期
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console.warn('取消上传失败:', error)
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} finally {
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reset()
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}
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}
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/**
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* 获取上传状态
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*/
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const getStatus = async (): Promise<PresignStatusResponse | null> => {
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if (!uploadSession.value?.upload_id) {
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return null
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}
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try {
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const response = await PresignUploadService.getUploadStatus(uploadSession.value.upload_id)
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if (response.code === 200 && response.detail) {
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// 检查会话是否过期
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if (response.detail.is_expired) {
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errorMessage.value = '上传会话已过期'
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alertStore.showAlert(errorMessage.value, 'warning')
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}
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return response.detail
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}
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return null
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} catch (error) {
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handleUploadError(error)
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return null
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}
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}
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/**
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* 重置状态
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*/
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const reset = (): void => {
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presignStatus.value = PRESIGN_UPLOAD_STATUS.IDLE
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uploadSession.value = null
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uploadProgress.value = {
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loaded: 0,
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total: 0,
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percentage: 0
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}
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uploadedCode.value = ''
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errorMessage.value = ''
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}
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return {
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// 状态 (只读)
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presignStatus: readonly(presignStatus),
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uploadSession: readonly(uploadSession),
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uploadProgress: readonly(uploadProgress),
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uploadedCode: readonly(uploadedCode),
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errorMessage: readonly(errorMessage),
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// 计算属性
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isInitializing,
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isUploading,
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isConfirming,
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isSuccess,
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isError,
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currentMode,
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// 方法
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uploadFile,
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cancelUpload,
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getStatus,
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reset
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}
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}
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