def save_arrangement():
arrangement = request.json
if Validate.validate_arrangment(arrangement):
arrangement_obj.pass_json(arrangement)
data = arrangement_obj.build()
arrangement_exists = arrangementsMDB.check_arrangement_exists(data)
if arrangement_exists:
arrangementsMDB.replace_arrangement(data)
else:
arrangementsMDB.add_arrangement(data)
return dumps(data)
else:
return jsonify({'message':'json is not validate'})
