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Add common download helper (#628)

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* Refactor download functions into a common helper function

* Removed unused import
This commit is contained in:
Erik Michelson 2020-10-03 22:38:46 +02:00 • committed by GitHub
parent c0d05904b2
commit 9b6fca29e8
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4 changed files with 13 additions and 20 deletions
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9
src/components/common/download/download.ts Normal file
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@ -0,0 +1,9 @@
export const download = (data: BlobPart, fileName: string, mimeType: string): void => {
const file = new Blob([data], { type: mimeType })
const helperElement = document.createElement('a')
helperElement.href = URL.createObjectURL(file)
helperElement.download = fileName
document.body.appendChild(helperElement)
helperElement.click()
helperElement.remove()
}

9
src/components/editor/document-bar/revisions/utils.ts
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@ -1,18 +1,13 @@
import { Revision } from '../../../../api/revisions/types'
import { getUserById } from '../../../../api/users'
import { UserResponse } from '../../../../api/users/types'
import { download } from '../../../common/download/download'
export const downloadRevision = (noteId: string, revision: Revision | null): void => {
if (!revision) {
return
}
const encoded = Buffer.from(revision.content).toString('base64')
const wrapper = document.createElement('a')
wrapper.download = `${noteId}-${revision.timestamp}.md`
wrapper.href = `data:text/markdown;charset=utf-8;base64,${encoded}`
document.body.appendChild(wrapper)
wrapper.click()
document.body.removeChild(wrapper)
download(revision.content, `${noteId}-${revision.timestamp}.md`, 'text/markdown')
}
export const getUserDataForRevision = (authors: string[]): UserResponse[] => {

4
src/components/history-page/history-page.tsx
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@ -5,10 +5,10 @@ import { useSelector } from 'react-redux'
import { deleteHistory, deleteHistoryEntry, getHistory, setHistory, updateHistoryEntry } from '../../api/history'
import { deleteNote } from '../../api/notes'
import { ApplicationState } from '../../redux'
import { download } from '../common/download/download'
import {
collectEntries,
downloadHistory,
loadHistoryFromLocalStore,
mergeEntryArrays,
setHistoryToLocalStore,
@ -90,7 +90,7 @@ export const HistoryPage: React.FC = () => {
version: 2,
entries: mergeEntryArrays(localHistoryEntries, remoteHistoryEntries)
}
downloadHistory(dataObject)
download(JSON.stringify(dataObject), `history_${(new Date()).getTime()}.json`, 'application/json')
}, [localHistoryEntries, remoteHistoryEntries])
const clearHistory = useCallback(() => {

11
src/components/history-page/utils.ts
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@ -3,7 +3,6 @@ import { SortModeEnum } from './sort-button/sort-button'
import {
HistoryEntry,
HistoryEntryOrigin,
HistoryJson,
LocatedHistoryEntry
} from './history-page'
import { HistoryToolbarState } from './history-toolbar/history-toolbar'
@ -126,13 +125,3 @@ export function loadHistoryFromLocalStore (): HistoryEntry[] {
export function setHistoryToLocalStore (entries: HistoryEntry[]): void {
window.localStorage.setItem('history', JSON.stringify(entries))
}
export function downloadHistory (dataObject: HistoryJson): void {
const data = 'data:text/json;charset=utf-8;base64,' + Buffer.from(JSON.stringify(dataObject)).toString('base64')
const downloadLink = document.createElement('a')
downloadLink.setAttribute('href', data)
downloadLink.setAttribute('download', `history_${(new Date()).getTime()}.json`)
document.body.appendChild(downloadLink)
downloadLink.click()
downloadLink.remove()
}