41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
import { deleteFromS3 } from '@/lib/s3'
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export const S3_COMPENSATION_DELETE_CONCURRENCY = 3
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/**
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* 失败补偿需要尽量删除所有已上传对象，但不能一次向 MinIO 发出无限量请求。
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* 返回值保持 Promise.allSettled 的语义：单个删除失败不会阻断其余对象清理。
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*/
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export async function deleteS3ObjectsWithLimit(
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fileUrls: string[],
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concurrency = S3_COMPENSATION_DELETE_CONCURRENCY,
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): Promise<PromiseSettledResult<void>[]> {
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if (fileUrls.length === 0) {
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return []
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}
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const normalizedConcurrency = Number.isFinite(concurrency)
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? Math.max(1, Math.floor(concurrency))
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: S3_COMPENSATION_DELETE_CONCURRENCY
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const workerCount = Math.min(normalizedConcurrency, fileUrls.length)
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const results = new Array<PromiseSettledResult<void>>(fileUrls.length)
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let nextIndex = 0
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const worker = async () => {
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while (nextIndex < fileUrls.length) {
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const index = nextIndex
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nextIndex += 1
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try {
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await deleteFromS3(fileUrls[index])
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results[index] = { status: 'fulfilled', value: undefined }
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} catch (reason) {
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results[index] = { status: 'rejected', reason }
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}
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}
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}
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await Promise.all(Array.from({ length: workerCount }, () => worker()))
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return results
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}
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