120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
import typing
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from rest_framework import serializers
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from apps.authorization.models import (
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Role,
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Permissions,
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UserRelations,
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Page
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)
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from apps.authentication.api.v1.serializers import serializer as auth_serializer
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from apps.authentication.models import Organization
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import itertools
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class PageSerializer(serializers.ModelSerializer):
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class Meta:
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model = Page
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fields = [
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'name',
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'code'
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]
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class PermissionSerializer(serializers.ModelSerializer):
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class Meta:
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model = Permissions
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fields = [
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'id',
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'name',
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'description',
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'category',
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'page'
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]
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def to_representation(self, instance):
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representation = super().to_representation(instance)
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representation['name'] = 'Hello'
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return representation
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@classmethod
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def permissions_structure_output(cls, permissions: list) -> typing.Any:
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""" set a structure for permissions """
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structure = {}
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for permission in permissions:
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if permission.page.name not in structure.keys():
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structure.update(
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{f'{permission.page.name}': itertools.chain(*list(
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permission.page.permission_page.all().values_list('name')))
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})
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return structure
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class RoleSerializer(serializers.ModelSerializer):
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class Meta:
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model = Role
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fields = [
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'id',
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'role_name',
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'description',
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'type',
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'permissions'
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]
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extra_kwargs = {
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'permissions': {'required': False} # permissions not required for some roles
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}
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def to_representation(self, instance):
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"""
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using @to_representation for many_to_many permissions in response
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"""
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representation = super().to_representation(instance)
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representation['type'] = auth_serializer.OrganizationTypeSerializer(instance.type).data
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if instance.permissions: # noqa
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permissions = instance.permissions.all()
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representation['permissions'] = PermissionSerializer().permissions_structure_output(permissions)
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return representation
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class UserRelationSerializer(serializers.ModelSerializer):
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class Meta:
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model = UserRelations
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fields = [
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'id',
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'user',
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'organization',
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'role',
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'permissions',
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]
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def to_representation(self, instance):
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""" custom output for serializer """
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representation = super().to_representation(instance)
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if isinstance(instance, UserRelations):
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if instance.user:
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representation['user'] = auth_serializer.UserSerializer(instance.user).data
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if instance.organization:
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representation['organization'] = auth_serializer.OrganizationSerializer(instance.organization).data
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if instance.role:
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representation['role'] = RoleSerializer(instance.role).data
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if instance.permissions: # noqa
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# set permissions by a default structure like:
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# 'page permission':[element permissions]
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permissions = instance.permissions.all()
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representation['permissions'] = PermissionSerializer().permissions_structure_output(permissions)
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return representation
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def update(self, instance, validated_data):
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""" update user relation object """
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if validated_data.get('role'):
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instance.role = Role.objects.get(id=validated_data.get('role', instance.role))
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if validated_data.get('organization'):
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instance.organization = Organization.objects.get(
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id=validated_data.get('organization', instance.organization)
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)
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instance.save()
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instance.permissions.clear()
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instance.permissions.add(*(validated_data.get('permissions', instance.permissions)))
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return instance
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