Source code for geonode.monitoring.fields

#########################################################################
#
# Copyright (C) 2020 OSGeo
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#########################################################################


from django.db import models

from geonode.monitoring.forms import MultiEmailField as MultiEmailFormField




class MultiEmailField(models.Field):


    description = "A multi e-mail field stored as a multi-lines text"




    def formfield(self, **kwargs):
        # This is a fairly standard way to set up some defaults
        # while letting the caller override them.
        defaults = {"form_class": MultiEmailFormField}
        defaults.update(kwargs)
        return super().formfield(**defaults)




    def from_db_value(self, value, expression, connection, context):
        if value is None:
            return []
        return value.splitlines()




    def get_db_prep_value(self, value, connection, prepared=False):
        if isinstance(value, str):
            return value
        elif isinstance(value, list):
            return "\n".join(value)




    def to_python(self, value):
        if not value:
            return []
        if isinstance(value, list):
            return value
        return value.splitlines()




    def get_internal_type(self):
        return "TextField"