paramecio2fm/paramecio2/libraries/db/extrafields/parentfield.py

72 lines
2.7 KiB
Python

#!/usr/bin/env python3
"""
Paramecio2fm is a series of wrappers for Flask, mako and others and construct a simple headless cms.
Copyright (C) 2023 Antonio de la Rosa Caballero
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
#from paramecio2.libraries.db.webmodel import PhangoField
from paramecio2.libraries.db.corefields import IntegerField
from paramecio2.libraries.db.coreforms import SelectModelForm
#from paramecio.citoplasma.httputils import GetPostFiles
from flask import request
class ParentField(IntegerField):
"""Field used for create fields used by save a parent id from a row in db."""
def __init__(self, name, size=11, required=False, field_name='name'):
"""
Args:
name (str): The name of field
size (int): The size of the new field in database. By default 11.
required (bool): Boolean for define if field is required or not
field_name (str): The name of the field used for identify the father row of the db.
"""
super().__init__(name, size, required)
#self.foreignkey=True
self.indexed=True
self.field_name=field_name
def post_register(self):
if self.model!=None:
self.change_form(SelectModelForm, [self.model, self.field_name, self.model.name_field_id, self.name])
def check(self, value):
value=super().check(value)
if self.model!=None:
if self.model.updated==True:
if self.model.name_field_id in self.model.post:
#GetPostFiles.obtain_get()
#model_id=GetPostFiles.get.get(self.model.name_field_id, '0')
model_id=request.args.get(self.model.name_field_id, '0')
if model_id==value:
self.error=True
self.txt_error='A field cannot be its own father'
self.required=True
value=0
return value
return value