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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| import { useMutation, useQuery } from '@tanstack/react-query'; | ||
|
|
||
| import { trpc } from '@/lib/trpc/client'; | ||
|
|
||
| /** | ||
| * Fetches a file from the specified URL and returns file information. | ||
| * Designed to be used as a `queryFn` in a `useQuery`. | ||
| * | ||
| * @param url The URL from which the file should be fetched. | ||
| * @param [metadata] The metadata of the file you want to retrieve. | ||
| * @returns A Promise that resolves to an object containing information about the file. | ||
| * | ||
| * @example | ||
| * // Usage with Tanstack Query's useQuery: | ||
| * const fileQuery = useQuery({ | ||
| queryKey: ['fileKey', url], | ||
| queryFn: () => fetchFile(url, ['name']), | ||
| enabled: !!url, | ||
| }); | ||
| */ | ||
| export const fetchFile = async (url: string, metadata?: string[]) => { | ||
| const fileResponse = await fetch(url, { | ||
| cache: 'no-cache', | ||
| }); | ||
| if (!fileResponse.ok) { | ||
| throw new Error('Could not fetch the file'); | ||
| } | ||
|
|
||
| const lastModifiedDateHeader = fileResponse.headers.get('Last-Modified'); | ||
| const defaultFileData = { | ||
| fileUrl: url, | ||
| size: fileResponse.headers.get('Content-Length') ?? undefined, | ||
| type: fileResponse.headers.get('Content-Type') ?? undefined, | ||
| lastModifiedDate: lastModifiedDateHeader | ||
| ? new Date(lastModifiedDateHeader) | ||
| : new Date(), | ||
| }; | ||
|
|
||
| if (!metadata) { | ||
| return defaultFileData; | ||
| } | ||
|
|
||
| return metadata.reduce((file, metadataKey) => { | ||
| return { | ||
| ...file, | ||
| [metadataKey]: fileResponse.headers.get(`x-amz-meta-${metadataKey}`), | ||
| }; | ||
| }, defaultFileData); | ||
| }; | ||
|
|
||
| export const useUploadFileMutation = ( | ||
| params: { | ||
| getMetadata?: (file: File) => Record<string, string>; | ||
| } = {} | ||
| ) => { | ||
| const uploadPresignedUrl = trpc.files.uploadPresignedUrl.useMutation(); | ||
| return useMutation({ | ||
| mutationFn: async (file: File) => { | ||
| const presignedUrlOutput = await uploadPresignedUrl.mutateAsync({ | ||
| metadata: { | ||
| name: file.name, | ||
| ...params.getMetadata?.(file), | ||
| }, | ||
| }); | ||
| await fetch(presignedUrlOutput.signedUrl, { | ||
| method: 'PUT', | ||
| headers: { 'Content-Type': file.type }, | ||
| body: file, | ||
| }); | ||
| // TODO ERRORS | ||
| return presignedUrlOutput.futureFileUrl; | ||
| }, | ||
| }); | ||
| }; | ||
|
|
||
| export const useFetchFile = (url?: string | null) => { | ||
| return useQuery({ | ||
| queryKey: ['file', url], | ||
| queryFn: () => (url ? fetchFile(url, ['name']) : undefined), | ||
| enabled: !!url, | ||
| }); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,102 +1,5 @@ | ||
| import { UseMutateAsyncFunction } from '@tanstack/react-query'; | ||
| import { stringify } from 'superjson'; | ||
|
|
||
| import { env } from '@/env.mjs'; | ||
|
|
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| import { UploadSignedUrlInput } from './schemas'; | ||
|
|
||
| /** | ||
| * Fetches a file from the specified URL and returns file information. | ||
| * Designed to be used as a `queryFn` in a `useQuery`. | ||
| * | ||
| * @param url The URL from which the file should be fetched. | ||
| * @param [metadata] The metadata of the file you want to retrieve. | ||
| * @returns A Promise that resolves to an object containing information about the file. | ||
| * | ||
| * @example | ||
| * // Usage with Tanstack Query's useQuery: | ||
| * const fileQuery = useQuery({ | ||
| queryKey: ['fileKey', url], | ||
| queryFn: () => fetchFile(url, ['name']), | ||
| enabled: !!url, | ||
| }); | ||
| */ | ||
| export const fetchFile = async (url: string, metadata?: string[]) => { | ||
| const fileResponse = await fetch(url, { | ||
| cache: 'no-cache', | ||
| }); | ||
| if (!fileResponse.ok) { | ||
| throw new Error('Could not fetch the file'); | ||
| } | ||
|
|
||
| const lastModifiedDateHeader = fileResponse.headers.get('Last-Modified'); | ||
| const defaultFileData = { | ||
| fileUrl: url, | ||
| size: fileResponse.headers.get('Content-Length') ?? undefined, | ||
| type: fileResponse.headers.get('Content-Type') ?? undefined, | ||
| lastModifiedDate: lastModifiedDateHeader | ||
| ? new Date(lastModifiedDateHeader) | ||
| : new Date(), | ||
| }; | ||
|
|
||
| if (!metadata) { | ||
| return defaultFileData; | ||
| } | ||
|
|
||
| return metadata.reduce((file, metadataKey) => { | ||
| return { | ||
| ...file, | ||
| [metadataKey]: fileResponse.headers.get(`x-amz-meta-${metadataKey}`), | ||
| }; | ||
| }, defaultFileData); | ||
| }; | ||
|
|
||
| /** | ||
| * Asynchronously uploads a file to a server using a presigned URL. | ||
| * Designed to be used as a `mutationFn` in a `useMutation`. | ||
| * | ||
| * @param getPresignedUrl | ||
| * - An asyncMutation that is used to obtain the presigned URL and the future URL where the file will be accessible. | ||
| * | ||
| * @param file - The file object to upload. | ||
| * @param metadata - Optional metadata for the file, which will be sent to the server when generating the presigned URL. | ||
| * | ||
| * @returns A promise that resolves to an object containing the URL of the uploaded file, | ||
| * | ||
| * @example | ||
| * // Usage with Tanstack Query's useMutation: | ||
| * const getPresignedUrl = trpc.routeToGetPresignedUrl.useMutation(); | ||
| const fileUpload = useMutation({ | ||
| mutationFn: (file: File) => uploadFile(getPresignedUrl.mutateAsync, file), | ||
| }); | ||
| */ | ||
| export const uploadFile = async ( | ||
| getPresignedUrl: UseMutateAsyncFunction< | ||
| { signedUrl: string; futureFileUrl: string }, | ||
| unknown, | ||
| UploadSignedUrlInput | ||
| >, | ||
| file: File, | ||
| metadata: Record<string, string> = {} | ||
| ) => { | ||
| const { signedUrl, futureFileUrl } = await getPresignedUrl({ | ||
| metadata: stringify({ | ||
| name: file.name, | ||
| ...metadata, | ||
| }), | ||
| }); | ||
|
|
||
| await fetch(signedUrl, { | ||
| method: 'PUT', | ||
| headers: { 'Content-Type': file.type }, | ||
| body: file, | ||
| }); | ||
|
|
||
| return { | ||
| fileUrl: futureFileUrl, | ||
| } as const; | ||
| }; | ||
|
|
||
| export const isFileUrlValidBucket = async (url: string) => { | ||
| return url.startsWith(env.S3_BUCKET_PUBLIC_URL); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| import { z } from 'zod'; | ||
|
|
||
| import { env } from '@/env.mjs'; | ||
| import { zUploadSignedUrlOutput } from '@/files/schemas'; | ||
| import { getS3UploadSignedUrl } from '@/server/config/s3'; | ||
| import { createTRPCRouter, protectedProcedure } from '@/server/config/trpc'; | ||
|
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| export const filesRouter = createTRPCRouter({ | ||
| uploadPresignedUrl: protectedProcedure() | ||
| .meta({ | ||
| openapi: { | ||
| method: 'GET', | ||
| path: '/files/upload-presigned-url', | ||
| tags: ['files'], | ||
| protect: true, | ||
| }, | ||
| }) | ||
| .input( | ||
| z | ||
| .object({ | ||
| metadata: z.record(z.string(), z.string()), | ||
| }) | ||
| .optional() | ||
| ) | ||
| .output(zUploadSignedUrlOutput()) | ||
| .mutation(async ({ input, ctx }) => { | ||
| return await getS3UploadSignedUrl({ | ||
| key: ctx.user.id, // FIX ME | ||
| host: env.S3_BUCKET_PUBLIC_URL, | ||
| metadata: input?.metadata, | ||
| }); | ||
| }), | ||
| }); |