def upload():
"""Upload a pdf."""
form = UploadDocumentForm()
doc = Document.query.get(current_user.id)
if form.validate_on_submit():
if doc is None:
doc = Document()
doc.user_id = current_user.id
doc.document_urls = form.file_urls.data
db.session.add(doc)
db.session.commit()
return redirect(url_for('checklist.index'))
form.file_urls.data = doc.document_urls if doc is not None else None
return render_template('checklist/upload_document.html', form=form)
