7ebedb1fdd
- Fix rest api: send always groups_id (instead of groups). - Fix JS-Data-Store: Add hasMany relations for user.groups. - Fix templates: use field 'groups_id' instead of 'groups'.
148 lines
4.5 KiB
Python
148 lines
4.5 KiB
Python
from django.contrib.auth.hashers import make_password
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from django.contrib.auth.models import Permission
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from django.utils.translation import ugettext as _
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from django.utils.translation import ugettext_lazy
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from ..utils.rest_api import (
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IdPrimaryKeyRelatedField,
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ModelSerializer,
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RelatedField,
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ValidationError,
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)
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from .models import Group, User
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USERSHORTSERIALIZER_FIELDS = (
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'id',
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'username',
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'title',
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'first_name',
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'last_name',
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'structure_level',
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'about_me',
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'groups',
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)
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class UserShortSerializer(ModelSerializer):
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"""
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Serializer for users.models.User objects.
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Serializes only name fields and about me field.
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"""
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class Meta:
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model = User
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fields = USERSHORTSERIALIZER_FIELDS
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class UserFullSerializer(ModelSerializer):
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"""
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Serializer for users.models.User objects.
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Serializes all relevant fields.
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"""
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groups = IdPrimaryKeyRelatedField(
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many=True,
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queryset=Group.objects.exclude(pk__in=(1, 2)),
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help_text=ugettext_lazy('The groups this user belongs to. A user will '
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'get all permissions granted to each of '
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'his/her groups.'))
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class Meta:
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model = User
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fields = (
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'id',
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'is_present',
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'username',
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'title',
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'first_name',
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'last_name',
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'structure_level',
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'about_me',
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'comment',
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'groups',
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'default_password',
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'is_active',
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)
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def validate(self, data):
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"""
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Checks that first_name or last_name is given.
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Generates the username if it is empty.
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"""
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if not (data.get('username') or data.get('first_name') or data.get('last_name')):
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raise ValidationError({'detail': _('Username, first name and last name can not all be empty.')})
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# Generate username. But only if it is not set and the serializer is not
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# called in a PATCH context (partial_update).
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try:
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action = self.context['view'].action
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except (KeyError, AttributeError):
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action = None
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if not data.get('username') and action != 'partial_update':
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data['username'] = User.objects.generate_username(
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data.get('first_name', ''),
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data.get('last_name', ''))
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return data
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def create(self, validated_data):
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"""
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Creates the user. Sets the default password. Adds the new user to the
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registered group.
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"""
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# Prepare setup password.
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if not validated_data.get('default_password'):
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validated_data['default_password'] = User.objects.generate_password()
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validated_data['password'] = make_password(validated_data['default_password'], '', 'md5')
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# Perform creation in the database and return new user.
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return super().create(validated_data)
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class PermissionRelatedField(RelatedField):
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"""
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A custom field to use for the permission relationship.
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"""
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default_error_messages = {
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'incorrect_value': ugettext_lazy('Incorrect value "{value}". Expected app_label.codename string.'),
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'does_not_exist': ugettext_lazy('Invalid permission "{value}". Object does not exist.')}
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def to_representation(self, value):
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"""
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Returns the permission code string (app_label.codename).
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"""
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return '.'.join((value.content_type.app_label, value.codename,))
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def to_internal_value(self, data):
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"""
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Returns the permission object represented by data. The argument data is
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what is sent by the client. This method expects permission code strings
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(app_label.codename) like to_representation() returns.
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"""
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try:
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app_label, codename = data.split('.')
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except ValueError:
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self.fail('incorrect_value', value=data)
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try:
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permission = Permission.objects.get(content_type__app_label=app_label, codename=codename)
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except Permission.DoesNotExist:
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self.fail('does_not_exist', value=data)
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return permission
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class GroupSerializer(ModelSerializer):
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"""
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Serializer for django.contrib.auth.models.Group objects.
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"""
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permissions = PermissionRelatedField(
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many=True,
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queryset=Permission.objects.all())
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class Meta:
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model = Group
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fields = (
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'id',
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'name',
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'permissions',
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)
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