Merge pull request #3526 from overleaf/cmg-binary-file

[BinaryFile] Binary file React migration

GitOrigin-RevId: e229ad8ec3781607b5ca28387927b84d4af95060

services/web/app/src/Features/Project/ProjectController.js

@@ -865,7 +865,9 @@ const ProjectController = {
               showReactFileTree: !wantsOldFileTreeUI,
               showReactShareModal: !wantsOldShareModalUI,
               showReactAddFilesModal: !wantsOldAddFilesModalUI,
-              showReactGithubSync: !wantsOldGithubSyncUI && user.alphaProgram
+              showReactGithubSync: !wantsOldGithubSyncUI && user.alphaProgram,
+              showNewBinaryFileUI:
+                req.query && req.query.new_binary_file === 'true'
             })
             timer.done()
           }

services/web/app/views/project/editor.pug

@@ -108,7 +108,11 @@ block content
 
 					.ui-layout-center
 						include ./editor/editor
-						include ./editor/binary-file
+
+						if showNewBinaryFileUI
+							include ./editor/binary-file-react
+						else
+							include ./editor/binary-file
 						include ./editor/history
 
 			if !isRestrictedTokenMember

services/web/app/views/project/editor/binary-file-react.pug

@@ -0,0 +1,9 @@
+div(
+	ng-controller="ReactBinaryFileController"
+	ng-show="ui.view == 'file'"
+	ng-if="openFile"
+)
+	binary-file(
+		file='file'
+		store-references-keys='storeReferencesKeys'
+	)

services/web/config/settings.defaults.coffee

@@ -405,6 +405,9 @@ module.exports = settings =
 		{code: "xh", name: "Xhosa"}
 	]
 
+	overleafModuleImports:
+		tprLinkedFileInfo: []
+		tprLinkedFileRefreshError: []
 	# Password Settings
 	# -----------
 	# These restrict the passwords users can use when registering

services/web/frontend/js/features/binary-file/components/binary-file-header.js

@@ -0,0 +1,268 @@
+import React, { useState, useEffect, useRef, useCallback } from 'react'
+import PropTypes from 'prop-types'
+import Icon from '../../../shared/components/icon'
+import { formatTime, relativeDate } from '../../utils/format-date'
+import { Trans, useTranslation } from 'react-i18next'
+import importOverleafModules from '../../../../macros/import-overleaf-module.macro'
+import { postJSON } from '../../../infrastructure/fetch-json'
+
+const tprLinkedFileInfo = importOverleafModules('tprLinkedFileInfo')
+const tprLinkedFileRefreshError = importOverleafModules(
+  'tprLinkedFileRefreshError'
+)
+
+const MAX_URL_LENGTH = 60
+const FRONT_OF_URL_LENGTH = 35
+const FILLER = '...'
+const TAIL_OF_URL_LENGTH = MAX_URL_LENGTH - FRONT_OF_URL_LENGTH - FILLER.length
+
+function shortenedUrl(url) {
+  if (!url) {
+    return
+  }
+  if (url.length > MAX_URL_LENGTH) {
+    const front = url.slice(0, FRONT_OF_URL_LENGTH)
+    const tail = url.slice(url.length - TAIL_OF_URL_LENGTH)
+    return front + FILLER + tail
+  }
+  return url
+}
+
+export default function BinaryFileHeader({ file, storeReferencesKeys }) {
+  const isMounted = useRef(true)
+  const [refreshing, setRefreshing] = useState(false)
+  const [refreshError, setRefreshError] = useState(null)
+  const { t } = useTranslation()
+
+  useEffect(() => {
+    // set to false on unmount to avoid unmounted component warning when refreshing
+    return () => (isMounted.current = false)
+  }, [])
+
+  let fileInfo
+  if (file.linkedFileData) {
+    if (file.linkedFileData.provider === 'url') {
+      fileInfo = (
+        <div>
+          <UrlProvider file={file} />
+        </div>
+      )
+    } else if (file.linkedFileData.provider === 'project_file') {
+      fileInfo = (
+        <div>
+          <ProjectFilePathProvider file={file} />
+        </div>
+      )
+    } else if (file.linkedFileData.provider === 'project_output_file') {
+      fileInfo = (
+        <div>
+          <ProjectOutputFileProvider file={file} />
+        </div>
+      )
+    }
+  }
+
+  const refreshFile = useCallback(() => {
+    setRefreshing(true)
+    // Replacement of the file handled by the file tree
+    window.expectingLinkedFileRefreshedSocketFor = file.name
+    postJSON(`/project/${window.project_id}/linked_file/${file.id}/refresh`, {
+      disableAutoLoginRedirect: true
+    })
+      .then(() => {
+        if (isMounted.current) {
+          setRefreshing(false)
+        }
+      })
+      .catch(err => {
+        if (isMounted.current) {
+          setRefreshing(false)
+          setRefreshError(err.message)
+        }
+      })
+      .finally(() => {
+        if (
+          file.linkedFileData.provider === 'mendeley' ||
+          file.linkedFileData.provider === 'zotero' ||
+          file.name.match(/^.*\.bib$/)
+        ) {
+          reindexReferences()
+        }
+      })
+
+    function reindexReferences() {
+      const opts = {
+        body: { shouldBroadcast: true }
+      }
+
+      postJSON(`/project/${window.project_id}/references/indexAll`, opts)
+        .then(response => {
+          // Later updated by the socket but also updated here for immediate use
+          storeReferencesKeys(response.keys)
+        })
+        .catch(error => {
+          console.log(error)
+        })
+    }
+  }, [file, isMounted, storeReferencesKeys])
+
+  return (
+    <div className="binary-file-header">
+      {file.linkedFileData && fileInfo}
+      {file.linkedFileData &&
+        tprLinkedFileInfo.map(({ import: { LinkedFileInfo }, path }) => (
+          <LinkedFileInfo key={path} file={file} />
+        ))}
+      {file.linkedFileData && (
+        <button
+          className="btn btn-success"
+          onClick={refreshFile}
+          disabled={refreshing}
+        >
+          <Icon type="refresh" spin={refreshing} modifier="fw" />
+          <span>{refreshing ? t('refreshing') + '...' : t('refresh')}</span>
+        </button>
+      )}
+      &nbsp;
+      <a
+        href={`/project/${window.project_id}/file/${file.id}`}
+        className="btn btn-info"
+      >
+        <Icon type="download" modifier="fw" />
+        <span>{' ' + t('download')}</span>
+      </a>
+      {refreshError && (
+        <div className="row">
+          <br />
+          <div className="alert alert-danger col-md-6 col-md-offset-3">
+            Error: {refreshError}
+            {tprLinkedFileRefreshError.map(
+              ({ import: { LinkedFileRefreshError }, path }) => (
+                <LinkedFileRefreshError key={path} file={file} />
+              )
+            )}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
+
+BinaryFileHeader.propTypes = {
+  file: PropTypes.shape({
+    id: PropTypes.string,
+    name: PropTypes.string,
+    linkedFileData: PropTypes.object
+  }).isRequired,
+  storeReferencesKeys: PropTypes.func.isRequired
+}
+
+function UrlProvider({ file }) {
+  return (
+    <p>
+      <Icon
+        type="external-link-square"
+        modifier="rotate-180"
+        classes={{ icon: 'linked-file-icon' }}
+      />
+      &nbsp;
+      <Trans
+        i18nKey="imported_from_external_provider_at_date"
+        components={
+          /* eslint-disable-next-line jsx-a11y/anchor-has-content, react/jsx-key */
+          [<a href={file.linkedFileData.url} />]
+        }
+        values={{
+          shortenedUrl: shortenedUrl(file.linkedFileData.url),
+          formattedDate: formatTime(file.created),
+          relativeDate: relativeDate(file.created)
+        }}
+      />
+    </p>
+  )
+}
+
+UrlProvider.propTypes = {
+  file: PropTypes.shape({
+    linkedFileData: PropTypes.object,
+    created: PropTypes.string
+  }).isRequired
+}
+
+function ProjectFilePathProvider({ file }) {
+  /* eslint-disable jsx-a11y/anchor-has-content, react/jsx-key */
+  return (
+    <p>
+      <Icon
+        type="external-link-square"
+        modifier="rotate-180"
+        classes={{ icon: 'linked-file-icon' }}
+      />
+      &nbsp;
+      <Trans
+        i18nKey="imported_from_another_project_at_date"
+        components={
+          file.linkedFileData.v1_source_doc_id
+            ? [<span />]
+            : [
+                <a
+                  href={`/project/${file.linkedFileData.source_project_id}`}
+                  target="_blank"
+                />
+              ]
+        }
+        values={{
+          sourceEntityPath: file.linkedFileData.source_entity_path.slice(1),
+          formattedDate: formatTime(file.created),
+          relativeDate: relativeDate(file.created)
+        }}
+      />
+    </p>
+    /* esline-enable jsx-a11y/anchor-has-content, react/jsx-key */
+  )
+}
+
+ProjectFilePathProvider.propTypes = {
+  file: PropTypes.shape({
+    linkedFileData: PropTypes.object,
+    created: PropTypes.string
+  }).isRequired
+}
+
+function ProjectOutputFileProvider({ file }) {
+  return (
+    <p>
+      <Icon
+        type="external-link-square"
+        modifier="rotate-180"
+        classes={{ icon: 'linked-file-icon' }}
+      />
+      &nbsp;
+      <Trans
+        i18nKey="imported_from_the_output_of_another_project_at_date"
+        components={
+          file.linkedFileData.v1_source_doc_id
+            ? [<span />]
+            : [
+                <a
+                  href={`/project/${file.linkedFileData.source_project_id}`}
+                  target="_blank"
+                />
+              ]
+        }
+        values={{
+          sourceOutputFilePath: file.linkedFileData.source_output_file_path,
+          formattedDate: formatTime(file.created),
+          relativeDate: relativeDate(file.created)
+        }}
+      />
+    </p>
+  )
+}
+
+ProjectOutputFileProvider.propTypes = {
+  file: PropTypes.shape({
+    linkedFileData: PropTypes.object,
+    created: PropTypes.string
+  }).isRequired
+}

services/web/frontend/js/features/binary-file/components/binary-file-image.js

@@ -0,0 +1,21 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+
+export default function BinaryFileImage({ fileName, fileId, onLoad, onError }) {
+  return (
+    <img
+      src={`/project/${window.project_id}/file/${fileId}`}
+      onLoad={onLoad}
+      onError={onError}
+      onAbort={onError}
+      alt={fileName}
+    />
+  )
+}
+
+BinaryFileImage.propTypes = {
+  fileName: PropTypes.string.isRequired,
+  fileId: PropTypes.string.isRequired,
+  onLoad: PropTypes.func.isRequired,
+  onError: PropTypes.func.isRequired
+}

services/web/frontend/js/features/binary-file/components/binary-file-text.js

@@ -0,0 +1,67 @@
+import React, { useState, useEffect } from 'react'
+import PropTypes from 'prop-types'
+
+const MAX_FILE_SIZE = 2 * 1024 * 1024
+
+export default function BinaryFileText({ file, onLoad, onError }) {
+  const [textPreview, setTextPreview] = useState('')
+  const [shouldShowDots, setShouldShowDots] = useState(false)
+
+  useEffect(() => {
+    let path = `/project/${window.project_id}/file/${file.id}`
+    fetch(path, { method: 'HEAD' })
+      .then(response => {
+        if (!response.ok) throw new Error('HTTP Error Code: ' + response.status)
+        return response.headers.get('Content-Length')
+      })
+      .then(fileSize => {
+        let truncated = false
+        let maxSize = null
+        if (fileSize > MAX_FILE_SIZE) {
+          truncated = true
+          maxSize = MAX_FILE_SIZE
+        }
+
+        if (maxSize != null) {
+          path += `?range=0-${maxSize}`
+        }
+        fetch(path)
+          .then(response => {
+            response.text().then(text => {
+              if (truncated) {
+                text = text.replace(/\n.*$/, '')
+              }
+
+              setTextPreview(text)
+              onLoad()
+              setShouldShowDots(truncated)
+            })
+          })
+          .catch(err => {
+            onError()
+            console.error(err)
+          })
+      })
+      .catch(err => {
+        onError()
+      })
+  }, [file.id, onError, onLoad])
+  return (
+    <div>
+      {textPreview && (
+        <div className="text-preview">
+          <div className="scroll-container">
+            <p>{textPreview}</p>
+            {shouldShowDots && <p>...</p>}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
+
+BinaryFileText.propTypes = {
+  file: PropTypes.shape({ id: PropTypes.string }).isRequired,
+  onLoad: PropTypes.func.isRequired,
+  onError: PropTypes.func.isRequired
+}

services/web/frontend/js/features/binary-file/components/binary-file.js

@@ -0,0 +1,114 @@
+import React, { useState } from 'react'
+import PropTypes from 'prop-types'
+import BinaryFileHeader from './binary-file-header'
+import BinaryFileImage from './binary-file-image'
+import BinaryFileText from './binary-file-text'
+import Icon from '../../../shared/components/icon'
+import { useTranslation } from 'react-i18next'
+
+const imageExtensions = ['png', 'jpg', 'jpeg', 'gif']
+
+const textExtensions = [
+  'tex',
+  'latex',
+  'sty',
+  'cls',
+  'bst',
+  'bib',
+  'bibtex',
+  'txt',
+  'tikz',
+  'mtx',
+  'rtex',
+  'md',
+  'asy',
+  'latexmkrc',
+  'lbx',
+  'bbx',
+  'cbx',
+  'm',
+  'lco',
+  'dtx',
+  'ins',
+  'ist',
+  'def',
+  'clo',
+  'ldf',
+  'rmd',
+  'lua',
+  'gv'
+]
+
+export default function BinaryFile({ file, storeReferencesKeys }) {
+  const extension = file.name.split('.').pop().toLowerCase()
+
+  const [contentLoading, setContentLoading] = useState(true)
+  const [hasError, setHasError] = useState(false)
+  const { t } = useTranslation()
+  const isUnpreviewableFile =
+    !imageExtensions.includes(extension) && !textExtensions.includes(extension)
+
+  function handleLoading() {
+    if (contentLoading) {
+      setContentLoading(false)
+    }
+  }
+
+  function handleError() {
+    if (!hasError) {
+      setContentLoading(false)
+      setHasError(true)
+    }
+  }
+
+  const content = (
+    <>
+      <BinaryFileHeader file={file} storeReferencesKeys={storeReferencesKeys} />
+      {imageExtensions.includes(extension) && (
+        <BinaryFileImage
+          fileName={file.name}
+          fileId={file.id}
+          onLoad={handleLoading}
+          onError={handleError}
+        />
+      )}
+      {textExtensions.includes(extension) && (
+        <BinaryFileText
+          file={file}
+          onLoad={handleLoading}
+          onError={handleError}
+        />
+      )}
+    </>
+  )
+
+  return (
+    <div className="binary-file full-size">
+      {!hasError && content}
+      {!isUnpreviewableFile && contentLoading && <BinaryFileLoadingIndicator />}
+      {(isUnpreviewableFile || hasError) && (
+        <p className="no-preview">{t('no_preview_available')}</p>
+      )}
+    </div>
+  )
+}
+
+function BinaryFileLoadingIndicator() {
+  const { t } = useTranslation()
+  return (
+    <div className="loading-panel loading-panel-binary-files">
+      <span>
+        <Icon type="refresh" modifier="spin" />
+        &nbsp;&nbsp;{t('loading')}…
+      </span>
+    </div>
+  )
+}
+
+BinaryFile.propTypes = {
+  file: PropTypes.shape({
+    id: PropTypes.string,
+    name: PropTypes.string
+  }).isRequired,
+  storeReferencesKeys: PropTypes.func.isRequired
+}

services/web/frontend/js/features/binary-file/controllers/binary-file-controller.js

@@ -0,0 +1,21 @@
+import App from '../../../base'
+import { react2angular } from 'react2angular'
+import BinaryFile from '../components/binary-file'
+import _ from 'lodash'
+
+export default App.controller(
+  'ReactBinaryFileController',
+  function ($scope, $rootScope) {
+    $scope.file = $scope.openFile
+
+    $scope.storeReferencesKeys = newKeys => {
+      const oldKeys = $rootScope._references.keys
+      return ($rootScope._references.keys = _.union(oldKeys, newKeys))
+    }
+  }
+)
+
+App.component(
+  'binaryFile',
+  react2angular(BinaryFile, ['storeReferencesKeys', 'file'])
+)

services/web/frontend/js/features/utils/format-date.js

@@ -0,0 +1,20 @@
+import moment from 'moment'
+
+moment.updateLocale('en', {
+  calendar: {
+    lastDay: '[Yesterday]',
+    sameDay: '[Today]',
+    nextDay: '[Tomorrow]',
+    lastWeek: 'ddd, Do MMM YY',
+    nextWeek: 'ddd, Do MMM YY',
+    sameElse: 'ddd, Do MMM YY'
+  }
+})
+
+export function formatTime(date) {
+  return moment(date).format('h:mm a')
+}
+
+export function relativeDate(date) {
+  return moment(date).calendar()
+}

services/web/frontend/js/ide.js

@@ -35,6 +35,7 @@ import SafariScrollPatcher from './ide/SafariScrollPatcher'
 import './ide/cobranding/CobrandingDataService'
 import './ide/settings/index'
 import './ide/share/index'
+import './ide/binary-files/index'
 import './ide/chat/index'
 import './ide/clone/index'
 import './ide/hotkeys/index'

services/web/frontend/js/ide/binary-files/index.js

@@ -0,0 +1 @@
+import '../../features/binary-file/controllers/binary-file-controller'

services/web/frontend/stories/binary-file.stories.js

@@ -0,0 +1,173 @@
+import React from 'react'
+
+import BinaryFile from '../js/features/binary-file/components/binary-file'
+import fetchMock from 'fetch-mock'
+
+window.project_id = 'proj123'
+fetchMock.restore()
+fetchMock.head('express:/project/:project_id/file/:file_id', {
+  status: 201,
+  headers: { 'Content-Length': 10000 }
+})
+fetchMock.get('express:/project/:project_id/file/:file_id', 'Text file content')
+
+fetchMock.post('express:/project/:project_id/linked_file/:file_id/refresh', {
+  status: 204
+})
+
+fetchMock.post('express:/project/:project_id/references/indexAll', {
+  status: 204
+})
+
+window.project_id = '1234'
+
+export const FileFromUrl = args => {
+  return <BinaryFile {...args} />
+}
+FileFromUrl.args = {
+  file: {
+    linkedFileData: {
+      url: 'https://overleaf.com',
+      provider: 'url'
+    }
+  }
+}
+
+export const FileFromProjectWithLinkableProjectId = args => {
+  return <BinaryFile {...args} />
+}
+FileFromProjectWithLinkableProjectId.args = {
+  file: {
+    linkedFileData: {
+      source_project_id: 'source-project-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    }
+  }
+}
+
+export const FileFromProjectWithoutLinkableProjectId = args => {
+  return <BinaryFile {...args} />
+}
+FileFromProjectWithoutLinkableProjectId.args = {
+  file: {
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    }
+  }
+}
+
+export const FileFromProjectOutputWithLinkableProject = args => {
+  return <BinaryFile {...args} />
+}
+FileFromProjectOutputWithLinkableProject.args = {
+  file: {
+    linkedFileData: {
+      source_project_id: 'source_project_id',
+      source_output_file_path: '/source-entity-path.ext',
+      provider: 'project_output_file'
+    }
+  }
+}
+
+export const FileFromProjectOutputWithoutLinkableProjectId = args => {
+  return <BinaryFile {...args} />
+}
+FileFromProjectOutputWithoutLinkableProjectId.args = {
+  file: {
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_output_file_path: '/source-entity-path.ext',
+      provider: 'project_output_file'
+    }
+  }
+}
+
+export const ImageFile = args => {
+  return <BinaryFile {...args} />
+}
+ImageFile.args = {
+  file: {
+    id: '60097ca20454610027c442a8',
+    name: 'file.jpg',
+    linkedFileData: {
+      source_project_id: 'source_project_id',
+      source_entity_path: '/source-entity-path',
+      provider: 'project_file'
+    }
+  }
+}
+
+export const ThirdPartyReferenceFile = args => {
+  return <BinaryFile {...args} />
+}
+
+ThirdPartyReferenceFile.args = {
+  file: {
+    name: 'example.tex',
+    linkedFileData: {
+      provider: 'zotero'
+    }
+  }
+}
+
+export const ThirdPartyReferenceFileWithError = args => {
+  return <BinaryFile {...args} />
+}
+
+ThirdPartyReferenceFileWithError.args = {
+  file: {
+    id: '500500500500500500500500',
+    name: 'example.tex',
+    linkedFileData: {
+      provider: 'zotero'
+    }
+  }
+}
+
+export const TextFile = args => {
+  return <BinaryFile {...args} />
+}
+TextFile.args = {
+  file: {
+    linkedFileData: {
+      source_project_id: 'source-project-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    },
+    name: 'file.txt'
+  }
+}
+
+export const UploadedFile = args => {
+  return <BinaryFile {...args} />
+}
+UploadedFile.args = {
+  file: {
+    linkedFileData: null,
+    name: 'file.jpg'
+  }
+}
+
+export default {
+  title: 'BinaryFile',
+  component: BinaryFile,
+  args: {
+    file: {
+      id: 'file-id',
+      name: 'file.tex',
+      created: new Date()
+    },
+    storeReferencesKeys: () => {}
+  },
+  decorators: [
+    BinaryFile => (
+      <>
+        <style>{'html, body { height: 100%; }'}</style>
+        <BinaryFile />
+      </>
+    )
+  ]
+}

services/web/frontend/stories/linked-file.stories.js

@@ -0,0 +1,26 @@
+import React from 'react'
+import { LinkedFileInfo } from '../../modules/tpr-webmodule/frontend/js/components/linked-file-info'
+
+export const MendeleyLinkedFile = args => {
+  return <LinkedFileInfo {...args} />
+}
+
+MendeleyLinkedFile.args = {
+  file: {
+    linkedFileData: {
+      provider: 'mendeley'
+    }
+  }
+}
+
+export default {
+  title: 'LinkedFileInfo',
+  component: LinkedFileInfo,
+  args: {
+    file: {
+      id: 'file-id',
+      name: 'file.tex',
+      created: new Date()
+    }
+  }
+}

services/web/frontend/stylesheets/app/editor.less

@@ -190,6 +190,10 @@
   background-color: #fafafa;
 }
 
+.loading-panel-binary-files {
+  background-color: @gray-lightest;
+}
+
 .error-panel {
   .full-size;
   padding: @line-height-computed;

services/web/frontend/stylesheets/app/editor/binary-file.less

@@ -13,11 +13,6 @@
     .box-shadow(0 2px 3px @gray;);
     background-color: white;
   }
-  .img-preview {
-    background: url('/img/spinner.gif') no-repeat;
-    min-width: 200px;
-    min-height: 200px;
-  }
   p.no-preview {
     margin-top: @line-height-computed / 2;
     font-size: 24px;

services/web/locales/en.json

@@ -1373,5 +1373,12 @@
   "resend_confirmation_email": "Resend confirmation email",
   "your_affiliation_is_confirmed": "Your <0>__institutionName__</0> affiliation is confirmed.",
   "thank_you": "Thank you!",
-  "add_email": "Add Email"
+  "add_email": "Add Email",
-}
+  "imported_from_mendeley_at_date": "Imported from Mendeley at __formattedDate__ __relativeDate__",
+  "imported_from_zotero_at_date": "Imported from Zotero  at __formattedDate__ __relativeDate__",
+  "imported_from_external_provider_at_date": "Imported from <0>__shortenedUrlHTML__</0> at __formattedDate__ __relativeDate__",
+  "imported_from_another_project_at_date": "Imported from <0>Another project</0>/__sourceEntityPathHTML__, at __formattedDate__ __relativeDate__",
+  "imported_from_the_output_of_another_project_at_date": "Imported from the output of <0>Another project</0>: __sourceOutputFilePathHTML__, at __formattedDate__ __relativeDate__",
+  "refreshing": "Refreshing",
+  "if_error_persists_try_relinking_provider": "If this error persists, try re-linking your __provider__ account here"
+}

services/web/test/frontend/features/binary-file/components/binary-file-header.test.js

@@ -0,0 +1,168 @@
+import React from 'react'
+import {
+  render,
+  screen,
+  fireEvent,
+  waitForElementToBeRemoved
+} from '@testing-library/react'
+import { expect } from 'chai'
+import fetchMock from 'fetch-mock'
+import sinon from 'sinon'
+
+import BinaryFileHeader from '../../../../../frontend/js/features/binary-file/components/binary-file-header.js'
+
+describe('<BinaryFileHeader/>', function () {
+  const urlFile = {
+    name: 'example.tex',
+    linkedFileData: {
+      url: 'https://overleaf.com',
+      provider: 'url'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  const projectFile = {
+    name: 'example.tex',
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_project_id: 'source-project-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  const projectOutputFile = {
+    name: 'example.pdf',
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_output_file_path: '/source-entity-path.ext',
+      provider: 'project_output_file'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  const thirdPartyReferenceFile = {
+    name: 'example.tex',
+    linkedFileData: {
+      provider: 'zotero'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  let storeReferencesKeys
+
+  beforeEach(function () {
+    fetchMock.reset()
+    storeReferencesKeys = sinon.stub()
+  })
+
+  describe('header text', function () {
+    it('Renders the correct text for a file with the url provider', function () {
+      render(<BinaryFileHeader file={urlFile} storeReferencesKeys={() => {}} />)
+      screen.getByText('Imported from', { exact: false })
+      screen.getByText('at 3:24 am Wed, 17th Feb 21', {
+        exact: false
+      })
+    })
+
+    it('Renders the correct text for a file with the project_file provider', function () {
+      render(
+        <BinaryFileHeader file={projectFile} storeReferencesKeys={() => {}} />
+      )
+      screen.getByText('Imported from', { exact: false })
+      screen.getByText('Another project', { exact: false })
+      screen.getByText('/source-entity-path.ext, at 3:24 am Wed, 17th Feb 21', {
+        exact: false
+      })
+    })
+
+    it('Renders the correct text for a file with the project_output_file provider', function () {
+      render(
+        <BinaryFileHeader
+          file={projectOutputFile}
+          storeReferencesKeys={() => {}}
+        />
+      )
+      screen.getByText('Imported from the output of', { exact: false })
+      screen.getByText('Another project', { exact: false })
+      screen.getByText('/source-entity-path.ext, at 3:24 am Wed, 17th Feb 21', {
+        exact: false
+      })
+    })
+  })
+
+  describe('The refresh button', async function () {
+    let reindexResponse
+
+    beforeEach(function () {
+      window.project_id = '123abc'
+      reindexResponse = {
+        projectId: '123abc',
+        keys: ['reference1', 'reference2', 'reference3', 'reference4']
+      }
+    })
+
+    afterEach(function () {
+      delete window.project_id
+    })
+
+    it('Changes text when the file is refreshing', async function () {
+      fetchMock.post(
+        'express:/project/:project_id/linked_file/:file_id/refresh',
+        {
+          new_file_id: '5ff7418157b4e144321df5c4'
+        }
+      )
+
+      render(
+        <BinaryFileHeader file={projectFile} storeReferencesKeys={() => {}} />
+      )
+
+      fireEvent.click(screen.getByRole('button', { name: 'Refresh' }))
+
+      await waitForElementToBeRemoved(() =>
+        screen.getByText('Refreshing', { exact: false })
+      )
+      await screen.findByText('Refresh')
+    })
+
+    it('Reindexes references after refreshing a file from a third-party provider', async function () {
+      fetchMock.post(
+        'express:/project/:project_id/linked_file/:file_id/refresh',
+        {
+          new_file_id: '5ff7418157b4e144321df5c4'
+        }
+      )
+
+      fetchMock.post(
+        'express:/project/:project_id/references/indexAll',
+        reindexResponse
+      )
+
+      render(
+        <BinaryFileHeader
+          file={thirdPartyReferenceFile}
+          storeReferencesKeys={storeReferencesKeys}
+        />
+      )
+
+      fireEvent.click(screen.getByRole('button', { name: 'Refresh' }))
+
+      await waitForElementToBeRemoved(() =>
+        screen.getByText('Refreshing', { exact: false })
+      )
+
+      expect(fetchMock.done()).to.be.true
+      expect(storeReferencesKeys).to.be.calledWith(reindexResponse.keys)
+    })
+  })
+
+  describe('The download button', function () {
+    it('exists', function () {
+      render(<BinaryFileHeader file={urlFile} storeReferencesKeys={() => {}} />)
+
+      screen.getByText('Download', { exact: false })
+    })
+  })
+})

services/web/test/frontend/features/binary-file/components/binary-file-image.test.js

@@ -0,0 +1,27 @@
+import React from 'react'
+import { render, screen } from '@testing-library/react'
+
+import BinaryFileImage from '../../../../../frontend/js/features/binary-file/components/binary-file-image.js'
+
+describe('<BinaryFileImage />', function () {
+  const file = {
+    id: '60097ca20454610027c442a8',
+    name: 'file.jpg',
+    linkedFileData: {
+      source_entity_path: '/source-entity-path',
+      provider: 'project_file'
+    }
+  }
+
+  it('renders an image', function () {
+    render(
+      <BinaryFileImage
+        fileName={file.name}
+        fileId={file.id}
+        onError={() => {}}
+        onLoad={() => {}}
+      />
+    )
+    screen.getByRole('img')
+  })
+})

services/web/test/frontend/features/binary-file/components/binary-file-text.test.js

@@ -0,0 +1,42 @@
+import React from 'react'
+import { render, screen } from '@testing-library/react'
+import fetchMock from 'fetch-mock'
+
+import BinaryFileText from '../../../../../frontend/js/features/binary-file/components/binary-file-text.js'
+
+describe('<BinaryFileText/>', function () {
+  const file = {
+    name: 'example.tex',
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_project_id: 'source-project-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  beforeEach(function () {
+    fetchMock.reset()
+    window.project_id = '123abc'
+  })
+
+  afterEach(function () {
+    delete window.project_id
+  })
+
+  it('renders a text view', async function () {
+    fetchMock.head('express:/project/:project_id/file/:file_id', {
+      status: 201,
+      headers: { 'Content-Length': 10000 }
+    })
+    fetchMock.get(
+      'express:/project/:project_id/file/:file_id',
+      'Text file content'
+    )
+
+    render(<BinaryFileText file={file} onError={() => {}} onLoad={() => {}} />)
+
+    await screen.findByText('Text file content', { exact: false })
+  })
+})

services/web/test/frontend/features/binary-file/components/binary-file.test.js

@@ -0,0 +1,71 @@
+import React from 'react'
+import {
+  render,
+  screen,
+  waitForElementToBeRemoved,
+  fireEvent
+} from '@testing-library/react'
+import fetchMock from 'fetch-mock'
+
+import BinaryFile from '../../../../../frontend/js/features/binary-file/components/binary-file.js'
+
+describe('<BinaryFile/>', function () {
+  const textFile = {
+    name: 'example.tex',
+    linkedFileData: {
+      v1_source_doc_id: 'v1-source-id',
+      source_project_id: 'source-project-id',
+      source_entity_path: '/source-entity-path.ext',
+      provider: 'project_file'
+    },
+    created: new Date(2021, 1, 17, 3, 24).toISOString()
+  }
+
+  const imageFile = {
+    id: '60097ca20454610027c442a8',
+    name: 'file.jpg',
+    linkedFileData: {
+      source_entity_path: '/source-entity-path',
+      provider: 'project_file'
+    }
+  }
+
+  beforeEach(function () {
+    fetchMock.reset()
+  })
+
+  describe('for a text file', function () {
+    it('it shows a loading indicator while the file is loading', async function () {
+      render(<BinaryFile file={textFile} storeReferencesKeys={() => {}} />)
+
+      await waitForElementToBeRemoved(() =>
+        screen.getByText('Loading', { exact: false })
+      )
+    })
+
+    it('it shows messaging if the text view could not be loaded', async function () {
+      render(<BinaryFile file={textFile} storeReferencesKeys={() => {}} />)
+
+      await screen.findByText('Sorry, no preview is available', {
+        exact: false
+      })
+    })
+  })
+
+  describe('for an image file', function () {
+    it('it shows a loading indicator while the file is loading', async function () {
+      render(<BinaryFile file={imageFile} storeReferencesKeys={() => {}} />)
+
+      screen.getByText('Loading', { exact: false })
+    })
+
+    it('it shows messaging if the image could not be loaded', function () {
+      render(<BinaryFile file={imageFile} storeReferencesKeys={() => {}} />)
+
+      // Fake the image request failing as the request is handled by the browser
+      fireEvent.error(screen.getByRole('img'))
+
+      screen.findByText('Sorry, no preview is available', { exact: false })
+    })
+  })
+})