feat: preview files #1945
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| import { useMutation, useQueryClient } from '@tanstack/react-query' | ||
| import { AxiosError } from 'axios' | ||
| import { useTranslation } from 'next-i18next' | ||
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| import { endpoints } from 'service/apiEndpoints' | ||
| import { ApiErrors } from 'service/apiErrors' | ||
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| import { UploadedFile, UploadedFilesList } from 'components/common/file-upload/UploadedFilesList' | ||
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| import { useSession } from 'next-auth/react' | ||
| import { | ||
| fetchCampaignApplicationFile, | ||
| useDeleteCampaignApplicationFile, | ||
| } from 'service/campaign-application' | ||
| import { AlertStore } from 'stores/AlertStore' | ||
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| type Props = { | ||
| campaignApplicationId: string | ||
| files: UploadedFile[] | ||
| } | ||
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| export default function UploadedCampaignApplicationFiles({ files, campaignApplicationId }: Props) { | ||
| const { t } = useTranslation(['common', 'campaign-applications']) | ||
| const queryClient = useQueryClient() | ||
| const { data: session } = useSession() | ||
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| const del = useMutation<unknown, AxiosError<ApiErrors>, string>({ | ||
| mutationFn: (fileId) => useDeleteCampaignApplicationFile(session)(fileId), | ||
| onError: () => AlertStore.show(t('common:alerts.errorDeletingFile'), 'error'), | ||
| onSuccess: () => { | ||
| AlertStore.show(t('common:files.deletedFile'), 'success') | ||
| queryClient.invalidateQueries([endpoints.campaignApplication.view(campaignApplicationId).url]) | ||
| }, | ||
| }) | ||
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|
||
| return ( | ||
| <UploadedFilesList | ||
| files={files} | ||
| downloadQuery={(f) => fetchCampaignApplicationFile(f.id, session).then((r) => r.data)} | ||
| deleteMutation={(f) => del.mutateAsync(f.id)} | ||
| /> | ||
| ) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,218 @@ | ||
| import { Close, Delete, FilePresent, Preview } from '@mui/icons-material' | ||
| import { | ||
| Avatar, | ||
| Button, | ||
| IconButton, | ||
| List, | ||
| ListItem, | ||
| ListItemAvatar, | ||
| ListItemText, | ||
| Tooltip, | ||
| } from '@mui/material' | ||
| import { useTranslation } from 'next-i18next' | ||
| import { createContext, useContext, useEffect, useState } from 'react' | ||
| import CenteredSpinner from '../CenteredSpinner' | ||
|
|
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| export interface FilesListContext { | ||
| deleteMutation: (file: UploadedFile) => Promise<unknown> | ||
| files: UploadedFile[] | ||
| getBlobUrl: (file: UploadedFile) => Promise<string> | ||
| download: (file: UploadedFile) => void | ||
| } | ||
|
|
||
| const UploadedFilesContext = createContext<FilesListContext>({ | ||
| files: [], | ||
| download: () => Promise.reject('download query missing'), | ||
| deleteMutation: () => Promise.reject('delete mutation missing'), | ||
| getBlobUrl: () => Promise.reject('Function not implemented.'), | ||
| }) | ||
|
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| export interface UploadedFilesListProps { | ||
| title?: string | JSX.Element | undefined | ||
| files: UploadedFile[] | ||
| downloadQuery: (f: UploadedFile) => Promise<Blob> | ||
| deleteMutation: (f: UploadedFile) => Promise<unknown> | ||
| downloadText?: string | ||
| } | ||
|
|
||
| export function UploadedFilesList({ | ||
| title: maybeTitle, | ||
| files, | ||
| downloadQuery, | ||
| deleteMutation, | ||
| downloadText: maybeDownloadText, | ||
| }: UploadedFilesListProps) { | ||
| const { t } = useTranslation('common') | ||
| const filesCtx = filesListContext({ | ||
| files, | ||
| downloadQuery, | ||
| deleteMutation, | ||
| }) | ||
|
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| const title = maybeTitle != null ?? t('files.attached-files') | ||
| const downloadText = maybeDownloadText ?? t('files.download') | ||
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| return ( | ||
| <UploadedFilesContext.Provider value={filesCtx}> | ||
| <List dense> | ||
| {typeof title === 'string' ? <ListItemText primary={title} /> : title} | ||
| {(files ?? []).map((file) => ( | ||
| <UploadedFileView key={file.id} file={file} downloadText={downloadText} /> | ||
| ))} | ||
| </List> | ||
| </UploadedFilesContext.Provider> | ||
| ) | ||
| } | ||
|
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| export type UploadedFileViewProps = { | ||
| file: UploadedFile | ||
| role?: string | ||
| downloadText: string | ||
| } | ||
|
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| export function UploadedFileView({ file, role, downloadText }: UploadedFileViewProps) { | ||
| const { deleteMutation, download } = useContext(UploadedFilesContext) | ||
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| return ( | ||
| <ListItem key={file.id}> | ||
| <ListItemAvatar> | ||
| <Avatar> | ||
| <FilePresent /> | ||
| </Avatar> | ||
| </ListItemAvatar> | ||
| <ListItemText primary={file.filename} /> | ||
| {role && <ListItemText primary={role} sx={{ textAlign: 'right', pr: 'inherit' }} />} | ||
| <></> | ||
| <Tooltip title={'download'}> | ||
| <Button onClick={() => download(file)}>{downloadText}</Button> | ||
| </Tooltip> | ||
| <FilePreview {...file} /> | ||
| <IconButton edge="end" aria-label="delete" onClick={() => deleteMutation(file)}> | ||
| <Delete /> | ||
| </IconButton> | ||
| </ListItem> | ||
| ) | ||
| } | ||
|
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| export function FilePreview(f: UploadedFile) { | ||
| const { getBlobUrl } = useContext(UploadedFilesContext) | ||
| const [fetch, setFetch] = useState(false) | ||
| const [display, setDisplay] = useState<'block' | 'none'>('none') | ||
| const [blobUrl, setBlobUrl] = useState<string | undefined>() | ||
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| useEffect(() => { | ||
| if (fetch) { | ||
| setDisplay('block') | ||
| getBlobUrl(f) | ||
| .then(setBlobUrl) | ||
| .then(() => setFetch(false)) | ||
| .catch((e) => { | ||
| console.log(e) | ||
| }) | ||
| } | ||
| }, [fetch]) | ||
| return ( | ||
| <> | ||
| <Tooltip title={'preview'}> | ||
| <IconButton edge="end" aria-label="preview" onClick={() => setFetch(true)}> | ||
| <Preview /> | ||
| </IconButton> | ||
| </Tooltip> | ||
| <div | ||
| style={{ | ||
| position: 'fixed', | ||
| top: '5vw', | ||
| left: '5vh', | ||
| boxShadow: '2px 4px 5px', | ||
| width: '90vw', | ||
| height: '90vh', | ||
| zIndex: 99999, | ||
| display, | ||
| backgroundColor: 'white', | ||
| }}> | ||
| {display === 'block' ? ( | ||
| <iframe | ||
| id={f.id} | ||
| src={blobUrl} | ||
| allowFullScreen={true} | ||
| style={{ width: '100%', height: '100%' }} | ||
| /> | ||
| ) : ( | ||
| <div style={{ width: '100%', height: '100%' }}> | ||
| <CenteredSpinner /> | ||
| </div> | ||
| )} | ||
| <Button | ||
| color="secondary" | ||
| variant="outlined" | ||
| sx={{ position: 'absolute', right: '-2rem', top: '-2.5rem' }} | ||
| onClick={() => setDisplay('none')}> | ||
| <Close /> | ||
| </Button> | ||
| </div> | ||
| </> | ||
| ) | ||
| } | ||
|
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| export interface FilesListContextInput { | ||
| files: UploadedFile[] | ||
| downloadQuery: (file: UploadedFile) => Promise<Blob> | ||
| deleteMutation: (file: UploadedFile) => Promise<unknown> | ||
| } | ||
| export function filesListContext({ files, downloadQuery, deleteMutation }: FilesListContextInput) { | ||
| const blobUrls: Record<string, string> = {} | ||
| async function downloadAndGetBlobUrl(file: UploadedFile) { | ||
| if (blobUrls[file.id]) { | ||
| return blobUrls[file.id] | ||
| } else { | ||
| return downloadQuery(file) | ||
| .then((blob) => { | ||
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| const b = window.URL.createObjectURL(new Blob([blob], { type: blob.type })) | ||
| blobUrls[file.id] = b | ||
| return b | ||
| }) | ||
| .catch((error) => { | ||
| console.error(error) | ||
| // don't store it so next time we'll retry fetching | ||
| return window.URL.createObjectURL( | ||
| new Blob( | ||
| [ | ||
| `<html> | ||
| <body> | ||
| <h3 style="text-align:center; margin-top: 10%"> | ||
| Could not fetch the file. Please retry | ||
| </h3> | ||
| </body> | ||
| </html>`, | ||
| ], | ||
| { | ||
| type: 'text/html', | ||
| }, | ||
| ), | ||
| ) | ||
| }) | ||
| } | ||
| } | ||
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| async function download(f: UploadedFile) { | ||
| const blobUrlForDownload = await downloadAndGetBlobUrl(f) | ||
| const link = document.createElement('a') | ||
| link.href = blobUrlForDownload | ||
| link.setAttribute('download', `${f.filename}`) | ||
| link.click() | ||
| } | ||
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| const context: FilesListContext = { | ||
| deleteMutation, | ||
| files, | ||
| download, | ||
| getBlobUrl: downloadAndGetBlobUrl, | ||
| } | ||
|
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| return context | ||
| } | ||
|
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| export interface UploadedFile { | ||
| id: string | ||
| filename: string | ||
| } | ||
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maybe we should use await, insead of .then()
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Help me understand what makes the
asyncway preferable here? Can we agree it does the same thing in the end or did I miss something?There was a problem hiding this comment.
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@slavcho ^^^
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Sure - I will merge it although I don't agree with it.
Following the project style and guidelines makes the code easier to read and understand.
CamelCase and snake_case are both good naming conventions, yet merging them is not a good idea.