validate_sample.py

@app.route("/claims/new-employment-end-date", methods=["POST"])
def new_employment_end_date():
    def on_success(validated):
        draft_id = session.get('draft_id')

        day = validated['new_job_end']['day']
        month = validated['new_job_end']['month']
        year = validated['new_job_end']['year']

        date = "{day}/{month}/{year}".format(**locals())

        claim_service.update_draft(draft_id, {
            "new_job_end_date": date
        })
        return redirect('/claims/summary')

    def on_error(form_data, errors):
        return render_template("new_employment_end_date.html", form_data=form_data, errors=errors)

    return validate(schemas.NewEmploymentEndDate(), on_success, on_error)