apps/Notes/helpers/export.js


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import fetchJson from 'lib/fetchJson'
import JSZip from 'jszip'
import saveFile from 'helpers/saveFile'
import filename from '../helpers/fileName'

export const handleSelect = (id, ids, setIds) => {
  ids.includes(id)
    ? setIds(ids.filter(i => i !== id))
    : setIds([...ids, id])
}

export const handleSelectAll = (e, notes, setIds) => {
  if (e.target.checked) {
    setIds(notes.map(n => n.noteId))
  } else {
    setIds([])
  }
}

export const handleExport = (e, ids, notes) => {
  e.preventDefault()
  const zip = new JSZip()

  Promise.all(ids.map(async id => {
    const title = notes.find(n => n.noteId === id).title
    const {content} = await fetchJson(`/api/note/${id}`)
    zip.folder('notes').file(filename(title), content, {binary: true})
  })).then(() => {
    zip.generateAsync({type:"blob"})
      .then(c => saveFile(c, 'notes.zip', 'application/zip'))
  })
}