feat: Download files offline

In cozy/cozy-client#1518 we implemented a new `downloadFile()` that
allow to download files as before in a browser, but will download files
through cozy-intent when hosted in the Flagship app

This commit will replace the old way to download files with the new one
using `downloadFile()`

src/components/Actions/Items/download.jsx

@@ -34,7 +34,7 @@ export const download = ({
     label,
     icon,
     disabled: docs => docs.length === 0,
-    action: async (docs, { client }) => {
+    action: async (docs, { client, webviewIntent }) => {
       const fromMultiSelection = allMultiSelection.length > 0
       const normalizedDocs =
         allMultiSelection.length > 0
@@ -48,7 +48,8 @@ export const download = ({
         showAlert,
         t,
         pushModal,
-        popModal
+        popModal,
+        webviewIntent
       })
       isMultiSelectionActive && navigate('..')
     },

src/components/Actions/handleFileDownloading.jsx

@@ -13,6 +13,7 @@ import { is2SidedFile } from 'src/helpers/is2SidedFile'
  * @param {Function} params.showAlert - Function to show an alert
  * @param {Function} params.t - Translation function
  * @param {boolean} [params.fromMultiSelection] - Whether the action is from a multi-selection
+ * @param {WebviewService | undefined} [params.webviewIntent] - WebviewIntent used to call methods on FlagshipApp (when hosted in a WebView)
  */
 export const handleFileDownloading = async ({
   client,
@@ -21,7 +22,8 @@ export const handleFileDownloading = async ({
   pushModal,
   popModal,
   t,
-  fromMultiSelection
+  fromMultiSelection,
+  webviewIntent
 }) => {
   if (
     filesWithPage.length === 1 &&
@@ -37,18 +39,24 @@ export const handleFileDownloading = async ({
           textAction={t('action.download')}
           onClick={selectedChoice => {
             const selected = onPickSelectedPage(selectedChoice, file)
-            downloadFiles({ client, t, filesWithPage: selected, showAlert })
+            downloadFiles({
+              client,
+              t,
+              filesWithPage: selected,
+              showAlert,
+              webviewIntent
+            })
           }}
           onClose={popModal}
         />
       )
     } else {
-      downloadFiles({ client, t, filesWithPage, showAlert })
+      downloadFiles({ client, t, filesWithPage, showAlert, webviewIntent })
     }
     return
   }
 
   if (filesWithPage.length > 0) {
-    downloadFiles({ client, t, filesWithPage, showAlert })
+    downloadFiles({ client, t, filesWithPage, showAlert, webviewIntent })
   }
 }

src/components/Actions/utils.js

@@ -8,7 +8,7 @@ import { handleConflictFilename } from 'src/helpers/handleConflictFilename'
 
 import { isReferencedBy } from 'cozy-client'
 import { getDisplayName } from 'cozy-client/dist/models/contact'
-import { splitFilename } from 'cozy-client/dist/models/file'
+import { downloadFile, splitFilename } from 'cozy-client/dist/models/file'
 import { getSharingLink } from 'cozy-client/dist/models/sharing'
 
 export const isAnyFileReferencedBy = (files, doctype) => {
@@ -200,20 +200,15 @@ export const downloadFiles = async ({
   client,
   filesWithPage,
   showAlert,
-  t
+  t,
+  webviewIntent
 }) => {
   try {
     const fileCollection = client.collection(FILES_DOCTYPE)
     if (filesWithPage.length === 1) {
       const { file, page } = filesWithPage[0]
       if (filesWithPage[0].page === null) {
-        const filename = file.name
-        const downloadURL = await fileCollection.getDownloadLinkById(
-          file.id,
-          filename
-        )
-
-        return fileCollection.forceFileDownload(`${downloadURL}?Dl=1`, filename)
+        return await downloadFile({ client, file, webviewIntent })
       } else {
         const filename = makeFilenameWithPage({ file, page, t })
         const bin = await getPdfPage({