feat：移除了弹窗，服务器添加sls
This commit is contained in:
252
apps/app-frontend/src/helpers/downloads-scanner.ts
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252
apps/app-frontend/src/helpers/downloads-scanner.ts
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export interface DownloadsScanLoopOptions<T> {
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scan: () => Promise<T>
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onResult: (result: T) => void
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onError?: (error: unknown) => void
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onScanningChange?: (scanning: boolean) => void
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intervalMs?: number
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schedule?: (callback: () => void, delay: number) => unknown
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cancelSchedule?: (timer: unknown) => void
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}
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export interface MissingContentScannerSettings {
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enabled: boolean
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directory: string | null
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}
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type ScannerSettingsStorage = Pick<Storage, 'getItem' | 'setItem'>
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const MISSING_CONTENT_SCANNER_SETTINGS_KEY = 'axolotl-missing-content-scanner'
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export function getMissingContentScannerSettings(
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storage: ScannerSettingsStorage = localStorage,
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): MissingContentScannerSettings {
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try {
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const parsed = JSON.parse(storage.getItem(MISSING_CONTENT_SCANNER_SETTINGS_KEY) ?? '{}')
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return {
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enabled: parsed.enabled !== false,
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directory:
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typeof parsed.directory === 'string' && parsed.directory.trim() ? parsed.directory : null,
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}
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} catch {
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return { enabled: true, directory: null }
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}
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}
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export function setMissingContentScannerSettings(
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settings: MissingContentScannerSettings,
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storage: ScannerSettingsStorage = localStorage,
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) {
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storage.setItem(
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MISSING_CONTENT_SCANNER_SETTINGS_KEY,
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JSON.stringify({
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enabled: settings.enabled,
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directory: settings.directory?.trim() || null,
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}),
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)
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}
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export type DownloadsScannerPresentationPhase =
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| 'idle'
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| 'monitoring'
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| 'importing'
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| 'verifying'
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| 'waiting_for_stability'
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| 'rejected'
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| 'imported'
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| 'error'
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| 'unavailable'
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export interface DownloadsScannerPresentationState {
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phase: DownloadsScannerPresentationPhase
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downloadDirectory: string | null
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importedCount: number
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pendingCandidates: number
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importingItemIds: string[]
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rejectedItemIds: string[]
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verifyingItemIds: string[]
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}
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export type DownloadsScannerPresentationEvent =
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| { type: 'reset' }
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| { type: 'scan_failed' }
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| {
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type: 'items_updated'
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items: Array<{ id: string; status: string }>
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}
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| {
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type: 'scan_result'
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downloadDirectory: string | null
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importedItemIds: string[]
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rejectedItemIds: string[]
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pendingCandidates: number
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hasErrors: boolean
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items: Array<{ id: string; status: string }>
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}
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| { type: 'items_resolved'; itemIds: string[] }
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export function createDownloadsScannerPresentationState(): DownloadsScannerPresentationState {
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return {
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phase: 'idle',
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downloadDirectory: null,
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importedCount: 0,
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pendingCandidates: 0,
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importingItemIds: [],
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rejectedItemIds: [],
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verifyingItemIds: [],
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}
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}
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function itemIdsWithStatus(items: Array<{ id: string; status: string }>, status: string) {
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return items.filter((item) => item.status === status).map((item) => item.id)
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}
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function withoutItemIds(current: string[], removed: string[]) {
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const removedSet = new Set(removed)
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return current.filter((itemId) => !removedSet.has(itemId))
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}
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function withPhase(
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state: Omit<DownloadsScannerPresentationState, 'phase'>,
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options: { failed?: boolean } = {},
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): DownloadsScannerPresentationState {
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let phase: DownloadsScannerPresentationPhase
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if (state.importingItemIds.length > 0) phase = 'importing'
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else if (state.verifyingItemIds.length > 0) phase = 'verifying'
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else if (state.pendingCandidates > 0) phase = 'waiting_for_stability'
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else if (state.rejectedItemIds.length > 0) phase = 'rejected'
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else if (state.importedCount > 0) phase = 'imported'
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else if (options.failed) phase = 'error'
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else if (state.downloadDirectory) phase = 'monitoring'
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else phase = 'unavailable'
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return { ...state, phase }
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}
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export function reduceDownloadsScannerPresentation(
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state: DownloadsScannerPresentationState,
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event: DownloadsScannerPresentationEvent,
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): DownloadsScannerPresentationState {
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if (event.type === 'reset') return createDownloadsScannerPresentationState()
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const current = {
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downloadDirectory: state.downloadDirectory,
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importedCount: state.importedCount,
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pendingCandidates: state.pendingCandidates,
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importingItemIds: [...state.importingItemIds],
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rejectedItemIds: [...state.rejectedItemIds],
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verifyingItemIds: [...state.verifyingItemIds],
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}
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if (event.type === 'scan_failed') {
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if (
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state.importingItemIds.length > 0 ||
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state.verifyingItemIds.length > 0 ||
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state.pendingCandidates > 0 ||
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state.rejectedItemIds.length > 0 ||
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state.importedCount > 0
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) {
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return state
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}
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return withPhase(current, { failed: true })
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}
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if (event.type === 'items_updated') {
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const importingItemIds = itemIdsWithStatus(event.items, 'writing')
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const verifyingItemIds = itemIdsWithStatus(event.items, 'verifying')
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if (importingItemIds.length === 0 && verifyingItemIds.length === 0) return state
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current.importingItemIds = importingItemIds
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current.verifyingItemIds = verifyingItemIds
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current.rejectedItemIds = withoutItemIds(current.rejectedItemIds, [
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...importingItemIds,
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...verifyingItemIds,
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])
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return withPhase(current)
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}
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if (event.type === 'items_resolved') {
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current.pendingCandidates = 0
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current.rejectedItemIds = withoutItemIds(current.rejectedItemIds, event.itemIds)
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current.importingItemIds = withoutItemIds(current.importingItemIds, event.itemIds)
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current.verifyingItemIds = withoutItemIds(current.verifyingItemIds, event.itemIds)
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return withPhase(current)
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}
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current.downloadDirectory = event.downloadDirectory
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current.pendingCandidates = event.pendingCandidates
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current.importingItemIds = itemIdsWithStatus(event.items, 'writing')
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current.verifyingItemIds = itemIdsWithStatus(event.items, 'verifying')
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current.rejectedItemIds = withoutItemIds(event.rejectedItemIds, [
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...event.importedItemIds,
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...current.importingItemIds,
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...current.verifyingItemIds,
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])
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current.importedCount += event.importedItemIds.length
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return withPhase(current, { failed: event.hasErrors })
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}
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export function createDownloadsScanLoop<T>(options: DownloadsScanLoopOptions<T>) {
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const schedule = options.schedule ?? ((callback, delay) => setTimeout(callback, delay))
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const cancelSchedule = options.cancelSchedule ?? ((timer) => clearTimeout(timer as number))
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const intervalMs = options.intervalMs ?? 3000
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let active = false
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let generation = 0
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let inFlight = false
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let timer: unknown
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function clearTimer() {
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if (timer != null) cancelSchedule(timer)
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timer = undefined
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}
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function scheduleNext(delay: number) {
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if (!active) return
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clearTimer()
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timer = schedule(() => {
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timer = undefined
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void runNow()
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}, delay)
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}
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function start() {
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stop()
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active = true
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generation += 1
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scheduleNext(0)
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}
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function stop() {
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active = false
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generation += 1
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clearTimer()
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options.onScanningChange?.(false)
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}
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async function runNow() {
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if (!active) return
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if (inFlight) {
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scheduleNext(100)
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return
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}
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const runGeneration = generation
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inFlight = true
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options.onScanningChange?.(true)
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try {
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const result = await options.scan()
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if (active && runGeneration === generation) options.onResult(result)
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} catch (error) {
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if (active && runGeneration === generation) options.onError?.(error)
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} finally {
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inFlight = false
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if (active && runGeneration === generation) {
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options.onScanningChange?.(false)
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scheduleNext(intervalMs)
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}
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}
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}
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return {
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start,
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stop,
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runNow,
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isActive: () => active,
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}
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}
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