def downloadPdf():
"""Downloads a PDF. request.args:
idPdf: mandatory, PDF ID.
"""
m = DocumentModel()
pdf = m.getPdfData(request.args["idPdf"])
return(send_file(backend["mediaFolder"]+"/"+pdf["hash"]+".pdf", \
mimetype="application/pdf", attachment_filename=pdf["pdf_name"]+".pdf", \
as_attachment=True))
