76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
import { getQuery } from 'h3'
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import { requireSiteSyncAuth } from '../../utils/access'
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import { createApiError } from '../../utils/api-error'
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import { listUserIdUsernameMap } from '../../utils/db'
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import {
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getImageIndexRow,
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getImageTotals,
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listImageIndexRowsAfter
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} from '../../utils/image-index'
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import { validateStorageKey } from '../../utils/image-key'
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import { collectMediaAssetKeys } from '../../utils/media-assets'
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import { getBackendForKey } from '../../utils/storage/resolver'
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import { getTagsForImageKeys } from '../../utils/tags'
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import { toSiteSyncMediaTransfer } from '../../utils/site-sync/manifest'
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import type {
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SiteSyncMediaAsset,
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SiteSyncMediaBundle,
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SiteSyncMediaPage
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} from '../../utils/site-sync/protocol'
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export default defineEventHandler(async (event): Promise<SiteSyncMediaPage> => {
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await requireSiteSyncAuth(event)
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const query = getQuery(event)
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const key = typeof query.key === 'string' ? query.key.trim() : ''
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const after = typeof query.after === 'string' ? query.after : ''
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const limit = Math.min(
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100,
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Math.max(1, Number.parseInt(String(query.limit ?? '50'), 10) || 50)
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)
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if (key && !validateStorageKey(key)) {
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createApiError(event, 'INVALID_REQUEST', '媒体 key 无效', 400)
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}
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const rows = key
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? [getImageIndexRow(key)].filter(row => row !== null)
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: listImageIndexRowsAfter(after, limit)
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if (key && rows.length === 0) {
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createApiError(event, 'IMAGE_NOT_FOUND', '目标媒体不存在', 404)
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}
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const ownerMap = listUserIdUsernameMap()
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const tagMap = getTagsForImageKeys(rows.map(row => row.key))
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const items: SiteSyncMediaBundle[] = []
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for (const row of rows) {
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const backend = await getBackendForKey(row.key)
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const keys = await collectMediaAssetKeys(row, backend)
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const assets: SiteSyncMediaAsset[] = []
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for (const assetKey of new Set(keys)) {
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const stored = await backend.head(assetKey)
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if (!stored) {
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throw new Error(`目标媒体对象不存在：${assetKey}`)
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}
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assets.push({ key: assetKey, size: stored.size })
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}
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items.push({
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media: toSiteSyncMediaTransfer(
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row,
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row.user_id == null ? null : ownerMap.get(row.user_id) ?? null,
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tagMap.get(row.key) ?? []
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),
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assets
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})
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}
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return {
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items,
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totalMedia: getImageTotals().count,
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nextCursor: key || rows.length < limit
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? null
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: rows.at(-1)?.key ?? null
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}
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})
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