Files
standardnotes-app-web/packages/ui-services/src/Import/GoogleKeepConverter/GoogleKeepConverter.ts

139 lines
4.1 KiB
TypeScript

import { WebApplicationInterface } from '@standardnotes/services'
import { ContentType } from '@standardnotes/common'
import { DecryptedTransferPayload, NoteContent } from '@standardnotes/models'
import { readFileAsText } from '../Utils'
type GoogleKeepJsonNote = {
color: string
isTrashed: boolean
isPinned: boolean
isArchived: boolean
textContent: string
title: string
userEditedTimestampUsec: number
}
export class GoogleKeepConverter {
constructor(protected application: WebApplicationInterface) {}
async convertGoogleKeepBackupFileToNote(
file: File,
stripHtml: boolean,
): Promise<DecryptedTransferPayload<NoteContent>> {
const content = await readFileAsText(file)
const possiblePayloadFromJson = this.tryParseAsJson(content)
if (possiblePayloadFromJson) {
return possiblePayloadFromJson
}
const possiblePayloadFromHtml = this.tryParseAsHtml(content, file, stripHtml)
if (possiblePayloadFromHtml) {
return possiblePayloadFromHtml
}
throw new Error('Could not parse Google Keep backup file')
}
tryParseAsHtml(data: string, file: { name: string }, stripHtml: boolean): DecryptedTransferPayload<NoteContent> {
const rootElement = document.createElement('html')
rootElement.innerHTML = data
const contentElement = rootElement.getElementsByClassName('content')[0]
let content: string | null
// Replace <br> with \n so line breaks get recognised
contentElement.innerHTML = contentElement.innerHTML.replace(/<br>/g, '\n')
if (stripHtml) {
content = contentElement.textContent
} else {
content = contentElement.innerHTML
}
if (!content) {
throw new Error('Could not parse content')
}
const title = rootElement.getElementsByClassName('title')[0]?.textContent || file.name
const date = this.getDateFromGKeepNote(data) || new Date()
return {
created_at: date,
created_at_timestamp: date.getTime(),
updated_at: date,
updated_at_timestamp: date.getTime(),
uuid: this.application.generateUUID(),
content_type: ContentType.Note,
content: {
title: title,
text: content,
references: [],
},
}
}
getDateFromGKeepNote(note: string) {
const regexWithTitle = /.*(?=<\/div>\n<div class="title">)/
const regexWithoutTitle = /.*(?=<\/div>\n\n<div class="content">)/
const possibleDateStringWithTitle = regexWithTitle.exec(note)?.[0]
const possibleDateStringWithoutTitle = regexWithoutTitle.exec(note)?.[0]
if (possibleDateStringWithTitle) {
const date = new Date(possibleDateStringWithTitle)
if (date.toString() !== 'Invalid Date' && date.toString() !== 'NaN') {
return date
}
}
if (possibleDateStringWithoutTitle) {
const date = new Date(possibleDateStringWithoutTitle)
if (date.toString() !== 'Invalid Date' && date.toString() !== 'NaN') {
return date
}
}
return
}
static isValidGoogleKeepJson(json: any): boolean {
return (
json.title &&
json.textContent &&
json.userEditedTimestampUsec &&
typeof json.isArchived === 'boolean' &&
typeof json.isTrashed === 'boolean' &&
typeof json.isPinned === 'boolean' &&
json.color
)
}
tryParseAsJson(data: string): DecryptedTransferPayload<NoteContent> | null {
try {
const parsed = JSON.parse(data) as GoogleKeepJsonNote
if (!GoogleKeepConverter.isValidGoogleKeepJson(parsed)) {
return null
}
const date = new Date(parsed.userEditedTimestampUsec / 1000)
return {
created_at: date,
created_at_timestamp: date.getTime(),
updated_at: date,
updated_at_timestamp: date.getTime(),
uuid: this.application.generateUUID(),
content_type: ContentType.Note,
content: {
title: parsed.title,
text: parsed.textContent,
references: [],
archived: Boolean(parsed.isArchived),
trashed: Boolean(parsed.isTrashed),
pinned: Boolean(parsed.isPinned),
},
}
} catch (e) {
return null
}
}
}