Function completeMultipartUpload

apps/sim/lib/uploads/providers/blob/client.ts:691–743

(
  key: string,
  parts: AzureMultipartPart[],
  customConfig?: BlobConfig
)

 * Complete multipart upload by committing all blocks
 */
export async function completeMultipartUpload(
  key: string,
  parts: AzureMultipartPart[],
  customConfig?: BlobConfig
): Promise<{ location: string; path: string; key: string }> {
  const { BlobServiceClient, StorageSharedKeyCredential } = await import('@azure/storage-blob')
  let blobServiceClient: BlobServiceClientType
  let containerName: string

  if (customConfig) {
    if (customConfig.connectionString) {
      blobServiceClient = BlobServiceClient.fromConnectionString(customConfig.connectionString)
    } else if (customConfig.accountName && customConfig.accountKey) {
      const credential = new StorageSharedKeyCredential(
        customConfig.accountName,
        customConfig.accountKey
      )
      blobServiceClient = new BlobServiceClient(
        `https://${customConfig.accountName}.blob.core.windows.net`,
        credential
      )
    } else {
      throw new Error('Invalid custom blob configuration')
    }
    containerName = customConfig.containerName
  } else {
    blobServiceClient = await getBlobServiceClient()
    containerName = BLOB_CONFIG.containerName
  }

  const containerClient = blobServiceClient.getContainerClient(containerName)
  const blockBlobClient = containerClient.getBlockBlobClient(key)

  const sortedBlockIds = parts
    .sort((a, b) => a.partNumber - b.partNumber)
    .map((part) => part.blockId)

  await blockBlobClient.commitBlockList(sortedBlockIds, {
    metadata: {
      multipartUpload: 'completed',
      uploadCompletedAt: new Date().toISOString(),
    },
  })

  const location = blockBlobClient.url
  const path = `/api/files/serve/${encodeURIComponent(key)}`

  return {
    location,
    path,
    key,
  }
}

/**
 * Abort multipart upload by deleting the blob if it exists