972 lines
40 KiB
Python
972 lines
40 KiB
Python
import re
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from typing import Optional
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from django.conf import settings
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from django.contrib.auth import get_user_model
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from django.core.exceptions import ValidationError as DjangoValidationError
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from django.db import IntegrityError, transaction
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from django.db.models.deletion import ProtectedError
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from django.http import Http404
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from django.http.request import QueryDict
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from django.utils.translation import ugettext as _, ugettext_noop
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from rest_framework import status
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from ..core.config import config
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from ..utils.auth import has_perm
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from ..utils.autoupdate import inform_changed_data
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from ..utils.collection import CollectionElement
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from ..utils.exceptions import OpenSlidesError
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from ..utils.rest_api import (
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CreateModelMixin,
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DestroyModelMixin,
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GenericViewSet,
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ModelViewSet,
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Response,
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UpdateModelMixin,
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ValidationError,
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detail_route,
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)
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from ..utils.views import BinaryTemplateView
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from .access_permissions import (
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CategoryAccessPermissions,
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MotionAccessPermissions,
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MotionBlockAccessPermissions,
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MotionChangeRecommendationAccessPermissions,
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WorkflowAccessPermissions,
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)
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from .exceptions import WorkflowError
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from .models import (
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Category,
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Motion,
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MotionBlock,
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MotionChangeRecommendation,
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MotionPoll,
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MotionVersion,
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State,
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Submitter,
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Workflow,
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)
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from .serializers import MotionPollSerializer, StateSerializer
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# Viewsets for the REST API
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class MotionViewSet(ModelViewSet):
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"""
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API endpoint for motions.
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There are the following views: metadata, list, retrieve, create,
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partial_update, update, destroy, manage_version, support, set_state and
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create_poll.
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"""
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access_permissions = MotionAccessPermissions()
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queryset = Motion.objects.all()
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def check_view_permissions(self):
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"""
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Returns True if the user has required permissions.
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"""
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if self.action in ('list', 'retrieve'):
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result = self.get_access_permissions().check_permissions(self.request.user)
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elif self.action in ('metadata', 'partial_update', 'update', 'destroy'):
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result = has_perm(self.request.user, 'motions.can_see')
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# For partial_update, update and delete requests the rest of the check is
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# done in the update method. See below.
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elif self.action == 'create':
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result = (has_perm(self.request.user, 'motions.can_see') and
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has_perm(self.request.user, 'motions.can_create') and
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(not config['motions_stop_submitting'] or
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has_perm(self.request.user, 'motions.can_manage')))
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elif self.action in ('manage_version', 'set_state', 'set_recommendation',
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'follow_recommendation', 'create_poll', 'manage_submitters',
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'sort_submitters'):
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result = (has_perm(self.request.user, 'motions.can_see') and
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has_perm(self.request.user, 'motions.can_manage'))
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elif self.action == 'support':
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result = (has_perm(self.request.user, 'motions.can_see') and
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has_perm(self.request.user, 'motions.can_support'))
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else:
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result = False
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return result
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def destroy(self, request, *args, **kwargs):
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"""
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Destroy is allowed if the user has manage permissions, or he is the submitter and
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the current state allows to edit the motion.
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"""
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motion = self.get_object()
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if not ((has_perm(request.user, 'motions.can_manage') or
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motion.is_submitter(request.user) and motion.state.allow_submitter_edit)):
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self.permission_denied(request)
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return super().destroy(request, *args, **kwargs)
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def create(self, request, *args, **kwargs):
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"""
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Customized view endpoint to create a new motion.
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"""
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# This is a hack to make request.data mutable. Otherwise fields can not be deleted.
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if isinstance(request.data, QueryDict):
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request.data._mutable = True
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# Check if parent motion exists.
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if request.data.get('parent_id') is not None:
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try:
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parent_motion: Optional[CollectionElement] = CollectionElement.from_values(
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Motion.get_collection_string(),
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request.data['parent_id'])
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except Motion.DoesNotExist:
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raise ValidationError({'detail': _('The parent motion does not exist.')})
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else:
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parent_motion = None
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# Check permission to send some data.
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if not has_perm(request.user, 'motions.can_manage'):
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# Remove fields that the user is not allowed to send.
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# The list() is required because we want to use del inside the loop.
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keys = list(request.data.keys())
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whitelist = [
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'title',
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'text',
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'reason',
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'comments', # This is checked later.
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]
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if parent_motion is not None:
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# For creating amendments.
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whitelist.extend([
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'parent_id',
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'amendment_paragraphs',
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'category_id', # This will be set to the matching
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'motion_block_id', # values from parent_motion.
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])
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request.data['category_id'] = parent_motion.get_full_data().get('category_id')
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request.data['motion_block_id'] = parent_motion.get_full_data().get('motion_block_id')
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for key in keys:
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if key not in whitelist:
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del request.data[key]
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# Check permission to send comment data.
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if (not has_perm(request.user, 'motions.can_see_comments') or
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not has_perm(request.user, 'motions.can_manage_comments')):
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try:
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# Ignore comments data if user is not allowed to send comments.
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del request.data['comments']
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except KeyError:
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# No comments here. Just do nothing.
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pass
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# Validate data and create motion.
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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motion = serializer.save(request_user=request.user)
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# Check for submitters and make ids unique
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if isinstance(request.data, QueryDict):
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submitters_id = request.data.getlist('submitters_id')
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else:
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submitters_id = request.data.get('submitters_id')
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if submitters_id is None:
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submitters_id = []
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if not isinstance(submitters_id, list):
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raise ValidationError({'detail': _('If submitters_id is given, it has to be a list.')})
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submitters_id_unique = set()
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for id in submitters_id:
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try:
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submitters_id_unique.add(int(id))
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except ValueError:
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continue
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submitters = []
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for submitter_id in submitters_id_unique:
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try:
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submitters.append(get_user_model().objects.get(pk=submitter_id))
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except get_user_model().DoesNotExist:
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continue # Do not add users that do not exist
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# Add the request user, if he is authenticated and no submitters were given:
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if len(submitters) == 0 and request.user.is_authenticated:
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submitters.append(request.user)
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# create all submitters
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for submitter in submitters:
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Submitter.objects.add(submitter, motion)
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# Write the log message and initiate response.
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motion.write_log([ugettext_noop('Motion created')], request.user)
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# Send new submitters and supporters via autoupdate because users
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# without permission to see users may not have them but can get it now.
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new_users = list(motion.submitters.all())
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new_users.extend(motion.supporters.all())
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inform_changed_data(new_users)
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headers = self.get_success_headers(serializer.data)
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return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
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def update(self, request, *args, **kwargs):
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"""
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Customized view endpoint to update a motion.
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Checks also whether the requesting user can update the motion. He
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needs at least the permissions 'motions.can_see' (see
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self.check_view_permissions()). Also check manage permission or
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submitter and state.
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"""
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# This is a hack to make request.data mutable. Otherwise fields can not be deleted.
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if isinstance(request.data, QueryDict):
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request.data._mutable = True
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# Get motion.
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motion = self.get_object()
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# Check permissions.
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if (not has_perm(request.user, 'motions.can_manage') and
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not (motion.is_submitter(request.user) and motion.state.allow_submitter_edit) and
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not (has_perm(request.user, 'motions.can_see_comments') and
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has_perm(request.user, 'motions.can_manage_comments'))):
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self.permission_denied(request)
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# Check permission to send only some data.
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if not has_perm(request.user, 'motions.can_manage'):
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# Remove fields that the user is not allowed to change.
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# The list() is required because we want to use del inside the loop.
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keys = list(request.data.keys())
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whitelist = [
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'comments', # This is checked later.
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]
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# Add title, text and reason to the whitelist only, if the user is the submitter.
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if motion.is_submitter(request.user) and motion.state.allow_submitter_edit:
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whitelist.extend((
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'title',
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'text',
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'reason',
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))
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for key in keys:
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if key not in whitelist:
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del request.data[key]
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# Check comments
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# "normal" comments only can be changed if the user has can_see_comments and
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# can_manage_comments.
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# "special" comments (for state and recommendation) can only be changed, if
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# the user has the can_manage permission
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if 'comments' in request.data:
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request_comments = {} # Here, all valid comments are saved.
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for id, value in request.data['comments'].items():
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field = config['motions_comments'].get(id)
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if field:
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is_special_comment = field.get('forRecommendation') or field.get('forState')
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if (is_special_comment and has_perm(request.user, 'motions.can_manage')) or (
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not is_special_comment and has_perm(request.user, 'motions.can_see_comments') and
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has_perm(request.user, 'motions.can_manage_comments')):
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# The user has the required permission for at least one case
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# Save the comment!
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request_comments[id] = value
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# two possibilities here: Either the comments dict is empty: then delete it, so
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# the serializer will skip it. If we leave it empty, everything will be deleted :(
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# Second, just special or normal comments are in the comments dict. Fill the original
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# data, so it won't be delete.
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if len(request_comments) == 0:
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del request.data['comments']
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else:
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if motion.comments:
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for id, value in motion.comments.items():
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if id not in request_comments:
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# populate missing comments with original ones.
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request_comments[id] = value
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request.data['comments'] = request_comments
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# get changed comment fields
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changed_comment_fields = []
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comments = request.data.get('comments', {})
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for id, value in comments.items():
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if not motion.comments or motion.comments.get(id) != value:
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field = config['motions_comments'].get(id)
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if field:
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name = field['name']
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changed_comment_fields.append(name)
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# Validate data and update motion.
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serializer = self.get_serializer(
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motion,
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data=request.data,
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partial=kwargs.get('partial', False))
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serializer.is_valid(raise_exception=True)
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updated_motion = serializer.save(disable_versioning=request.data.get('disable_versioning'))
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# Write the log message, check removal of supporters and initiate response.
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# TODO: Log if a version was updated.
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updated_motion.write_log([ugettext_noop('Motion updated')], request.user)
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if (config['motions_remove_supporters'] and updated_motion.state.allow_support and
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not has_perm(request.user, 'motions.can_manage')):
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updated_motion.supporters.clear()
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updated_motion.write_log([ugettext_noop('All supporters removed')], request.user)
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if len(changed_comment_fields) > 0:
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updated_motion.write_log(
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[ugettext_noop('Comment {} updated').format(', '.join(changed_comment_fields))],
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request.user)
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# Send new supporters via autoupdate because users
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# without permission to see users may not have them but can get it now.
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new_users = list(updated_motion.supporters.all())
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inform_changed_data(new_users)
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return Response(serializer.data)
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@detail_route(methods=['put', 'delete'])
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def manage_version(self, request, pk=None):
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"""
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Special view endpoint to permit and delete a version of a motion.
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Send PUT {'version_number': <number>} to permit and DELETE
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{'version_number': <number>} to delete a version. Deleting the
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active version is not allowed. Only managers can use this view.
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"""
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# Retrieve motion and version.
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motion = self.get_object()
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version_number = request.data.get('version_number')
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try:
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version = motion.versions.get(version_number=version_number)
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except MotionVersion.DoesNotExist:
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raise Http404('Version %s not found.' % version_number)
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# Permit or delete version.
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if request.method == 'PUT':
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# Permit version.
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motion.active_version = version
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motion.save(update_fields=['active_version'])
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motion.write_log(
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message_list=[ugettext_noop('Version'),
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' %d ' % version.version_number,
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ugettext_noop('permitted')],
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person=self.request.user)
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message = _('Version %d permitted successfully.') % version.version_number
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else:
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# Delete version.
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# request.method == 'DELETE'
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if version == motion.active_version:
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raise ValidationError({'detail': _('You can not delete the active version of a motion.')})
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version.delete()
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motion.write_log(
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message_list=[ugettext_noop('Version'),
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' %d ' % version.version_number,
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ugettext_noop('deleted')],
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person=self.request.user)
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message = _('Version %d deleted successfully.') % version.version_number
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# Initiate response.
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return Response({'detail': message})
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@detail_route(methods=['POST', 'DELETE'])
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def manage_submitters(self, request, pk=None):
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"""
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POST: Add a user as a submitter to this motion.
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DELETE: Remove the user as a submitter from this motion.
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For both cases provide ['user': <user_id>} for the user to add or remove.
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"""
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motion = self.get_object()
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if request.method == 'POST':
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user_id = request.data.get('user')
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# Check permissions and other conditions. Get user instance.
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if user_id is None:
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raise ValidationError({'detail': _('You have to provide a user.')})
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else:
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try:
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user = get_user_model().objects.get(pk=int(user_id))
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except (ValueError, get_user_model().DoesNotExist):
|
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raise ValidationError({'detail': _('User does not exist.')})
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# Try to add the user. This ensurse that a user is not twice a submitter
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try:
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Submitter.objects.add(user, motion)
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except OpenSlidesError as e:
|
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raise ValidationError({'detail': str(e)})
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message = _('User %s was successfully added as a submitter.') % user
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# Send new submitter via autoupdate because users without permission
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# to see users may not have it but can get it now.
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inform_changed_data(user)
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else: # DELETE
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user_id = request.data.get('user')
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|
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# Check permissions and other conditions. Get user instance.
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if user_id is None:
|
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raise ValidationError({'detail': _('You have to provide a user.')})
|
|
else:
|
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try:
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user = get_user_model().objects.get(pk=int(user_id))
|
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except (ValueError, get_user_model().DoesNotExist):
|
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raise ValidationError({'detail': _('User does not exist.')})
|
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|
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queryset = Submitter.objects.filter(motion=motion, user=user)
|
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try:
|
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# We assume that there aren't multiple entries because this
|
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# is forbidden by the Manager's add method. We assume that
|
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# there is only one submitter instance or none.
|
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submitter = queryset.get()
|
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except Submitter.DoesNotExist:
|
|
raise ValidationError({'detail': _('The user is not a submitter.')})
|
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else:
|
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name = str(submitter.user)
|
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submitter.delete()
|
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message = _('User {} successfully removed as a submitter.').format(name)
|
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|
|
# Initiate response.
|
|
return Response({'detail': message})
|
|
|
|
@detail_route(methods=['POST'])
|
|
def sort_submitters(self, request, pk=None):
|
|
"""
|
|
Special view endpoint to sort the submitters.
|
|
Send {'submitters': [<submitter_id_1>, <submitter_id_2>, ...]} as payload.
|
|
"""
|
|
# Retrieve motion.
|
|
motion = self.get_object()
|
|
|
|
# Check data
|
|
submitter_ids = request.data.get('submitters')
|
|
if not isinstance(submitter_ids, list):
|
|
raise ValidationError(
|
|
{'detail': _('Invalid data.')})
|
|
|
|
# Get all submitters
|
|
submitters = {}
|
|
for submitter in motion.submitters.all():
|
|
submitters[submitter.pk] = submitter
|
|
|
|
# Check and sort submitters
|
|
valid_submitters = []
|
|
for submitter_id in submitter_ids:
|
|
if not isinstance(submitter_id, int) or submitters.get(submitter_id) is None:
|
|
raise ValidationError(
|
|
{'detail': _('Invalid data.')})
|
|
valid_submitters.append(submitters[submitter_id])
|
|
weight = 1
|
|
with transaction.atomic():
|
|
for submitter in valid_submitters:
|
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submitter.weight = weight
|
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submitter.save(skip_autoupdate=True)
|
|
weight += 1
|
|
|
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# send autoupdate
|
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inform_changed_data(motion)
|
|
|
|
# Initiate response.
|
|
return Response({'detail': _('Submitters successfully sorted.')})
|
|
|
|
@detail_route(methods=['post', 'delete'])
|
|
def support(self, request, pk=None):
|
|
"""
|
|
Special view endpoint to support a motion or withdraw support
|
|
(unsupport).
|
|
|
|
Send POST to support and DELETE to unsupport.
|
|
"""
|
|
# Retrieve motion and allowed actions.
|
|
motion = self.get_object()
|
|
|
|
# Support or unsupport motion.
|
|
if request.method == 'POST':
|
|
# Support motion.
|
|
if not (motion.state.allow_support and
|
|
config['motions_min_supporters'] > 0 and
|
|
not motion.is_submitter(request.user) and
|
|
not motion.is_supporter(request.user)):
|
|
raise ValidationError({'detail': _('You can not support this motion.')})
|
|
motion.supporters.add(request.user)
|
|
motion.write_log([ugettext_noop('Motion supported')], request.user)
|
|
# Send new supporter via autoupdate because users without permission
|
|
# to see users may not have it but can get it now.
|
|
inform_changed_data([request.user])
|
|
message = _('You have supported this motion successfully.')
|
|
else:
|
|
# Unsupport motion.
|
|
# request.method == 'DELETE'
|
|
if not motion.state.allow_support or not motion.is_supporter(request.user):
|
|
raise ValidationError({'detail': _('You can not unsupport this motion.')})
|
|
motion.supporters.remove(request.user)
|
|
motion.write_log([ugettext_noop('Motion unsupported')], request.user)
|
|
message = _('You have unsupported this motion successfully.')
|
|
|
|
# Initiate response.
|
|
return Response({'detail': message})
|
|
|
|
@detail_route(methods=['put'])
|
|
def set_state(self, request, pk=None):
|
|
"""
|
|
Special view endpoint to set and reset a state of a motion.
|
|
|
|
Send PUT {'state': <state_id>} to set and just PUT {} to reset the
|
|
state. Only managers can use this view.
|
|
"""
|
|
# Retrieve motion and state.
|
|
motion = self.get_object()
|
|
state = request.data.get('state')
|
|
|
|
# Set or reset state.
|
|
if state is not None:
|
|
# Check data and set state.
|
|
try:
|
|
state_id = int(state)
|
|
except ValueError:
|
|
raise ValidationError({'detail': _('Invalid data. State must be an integer.')})
|
|
if state_id not in [item.id for item in motion.state.next_states.all()]:
|
|
raise ValidationError(
|
|
{'detail': _('You can not set the state to %(state_id)d.') % {'state_id': state_id}})
|
|
motion.set_state(state_id)
|
|
else:
|
|
# Reset state.
|
|
motion.reset_state()
|
|
|
|
# Save motion.
|
|
motion.save(update_fields=['state', 'identifier', 'identifier_number'], skip_autoupdate=True)
|
|
message = _('The state of the motion was set to %s.') % motion.state.name
|
|
|
|
# Write the log message and initiate response.
|
|
motion.write_log(
|
|
message_list=[ugettext_noop('State set to'), ' ', motion.state.name],
|
|
person=request.user,
|
|
skip_autoupdate=True)
|
|
inform_changed_data(motion)
|
|
return Response({'detail': message})
|
|
|
|
@detail_route(methods=['put'])
|
|
def set_recommendation(self, request, pk=None):
|
|
"""
|
|
Special view endpoint to set a recommendation of a motion.
|
|
|
|
Send PUT {'recommendation': <state_id>} to set and just PUT {} to
|
|
reset the recommendation. Only managers can use this view.
|
|
"""
|
|
# Retrieve motion and recommendation state.
|
|
motion = self.get_object()
|
|
recommendation_state = request.data.get('recommendation')
|
|
|
|
# Set or reset recommendation.
|
|
if recommendation_state is not None:
|
|
# Check data and set recommendation.
|
|
try:
|
|
recommendation_state_id = int(recommendation_state)
|
|
except ValueError:
|
|
raise ValidationError({'detail': _('Invalid data. Recommendation must be an integer.')})
|
|
recommendable_states = State.objects.filter(workflow=motion.workflow_id, recommendation_label__isnull=False)
|
|
if recommendation_state_id not in [item.id for item in recommendable_states]:
|
|
raise ValidationError(
|
|
{'detail': _('You can not set the recommendation to {recommendation_state_id}.').format(
|
|
recommendation_state_id=recommendation_state_id)})
|
|
motion.set_recommendation(recommendation_state_id)
|
|
else:
|
|
# Reset recommendation.
|
|
motion.recommendation = None
|
|
|
|
# Save motion.
|
|
motion.save(update_fields=['recommendation'])
|
|
label = motion.recommendation.recommendation_label if motion.recommendation else 'None'
|
|
message = _('The recommendation of the motion was set to %s.') % label
|
|
|
|
# Write the log message and initiate response.
|
|
motion.write_log(
|
|
message_list=[ugettext_noop('Recommendation set to'), ' ', label],
|
|
person=request.user)
|
|
return Response({'detail': message})
|
|
|
|
@detail_route(methods=['post'])
|
|
def follow_recommendation(self, request, pk=None):
|
|
motion = self.get_object()
|
|
if motion.recommendation is None:
|
|
raise ValidationError({'detail': _('Cannot set an empty recommendation.')})
|
|
|
|
# Set state.
|
|
motion.set_state(motion.recommendation)
|
|
|
|
# Set the special state comment.
|
|
extension = request.data.get('recommendationExtension')
|
|
if extension is not None:
|
|
# Find the special "state" comment field.
|
|
for id, field in config['motions_comments'].items():
|
|
if isinstance(field, dict) and 'forState' in field and field['forState'] is True:
|
|
motion.comments[id] = extension
|
|
break
|
|
|
|
# Save and write log.
|
|
motion.save(
|
|
update_fields=['state', 'identifier', 'identifier_number', 'comments'],
|
|
skip_autoupdate=True)
|
|
motion.write_log(
|
|
message_list=[ugettext_noop('State set to'), ' ', motion.state.name],
|
|
person=request.user,
|
|
skip_autoupdate=True)
|
|
|
|
# Now send all changes to the clients.
|
|
inform_changed_data(motion)
|
|
return Response({'detail': 'Recommendation followed successfully.'})
|
|
|
|
@detail_route(methods=['post'])
|
|
def create_poll(self, request, pk=None):
|
|
"""
|
|
View to create a poll. It is a POST request without any data.
|
|
"""
|
|
motion = self.get_object()
|
|
if not motion.state.allow_create_poll:
|
|
raise ValidationError({'detail': 'You can not create a poll in this motion state.'})
|
|
try:
|
|
with transaction.atomic():
|
|
poll = motion.create_poll(skip_autoupdate=True)
|
|
except WorkflowError as e:
|
|
raise ValidationError({'detail': e})
|
|
motion.write_log([ugettext_noop('Vote created')], request.user, skip_autoupdate=True)
|
|
|
|
inform_changed_data(motion)
|
|
return Response({
|
|
'detail': _('Vote created successfully.'),
|
|
'createdPollId': poll.pk})
|
|
|
|
|
|
class MotionPollViewSet(UpdateModelMixin, DestroyModelMixin, GenericViewSet):
|
|
"""
|
|
API endpoint for motion polls.
|
|
|
|
There are the following views: update, partial_update and destroy.
|
|
"""
|
|
queryset = MotionPoll.objects.all()
|
|
serializer_class = MotionPollSerializer
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
return (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
|
|
def update(self, *args, **kwargs):
|
|
"""
|
|
Customized view endpoint to update a motion poll.
|
|
"""
|
|
result = super().update(*args, **kwargs)
|
|
poll = self.get_object()
|
|
poll.motion.write_log([ugettext_noop('Vote updated')], self.request.user)
|
|
return result
|
|
|
|
def destroy(self, *args, **kwargs):
|
|
"""
|
|
Customized view endpoint to delete a motion poll.
|
|
"""
|
|
poll = self.get_object()
|
|
result = super().destroy(*args, **kwargs)
|
|
poll.motion.write_log([ugettext_noop('Vote deleted')], self.request.user)
|
|
return result
|
|
|
|
|
|
class MotionChangeRecommendationViewSet(ModelViewSet):
|
|
"""
|
|
API endpoint for motion change recommendations.
|
|
|
|
There are the following views: metadata, list, retrieve, create,
|
|
partial_update, update and destroy.
|
|
"""
|
|
access_permissions = MotionChangeRecommendationAccessPermissions()
|
|
queryset = MotionChangeRecommendation.objects.all()
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
if self.action in ('list', 'retrieve'):
|
|
result = self.get_access_permissions().check_permissions(self.request.user)
|
|
elif self.action == 'metadata':
|
|
result = has_perm(self.request.user, 'motions.can_see')
|
|
elif self.action in ('create', 'destroy', 'partial_update', 'update'):
|
|
result = (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
else:
|
|
result = False
|
|
return result
|
|
|
|
def create(self, request, *args, **kwargs):
|
|
"""
|
|
Creating a Change Recommendation, custom exception handling
|
|
"""
|
|
try:
|
|
return super().create(request, *args, **kwargs)
|
|
except DjangoValidationError as err:
|
|
return Response({'detail': err.message}, status=400)
|
|
|
|
|
|
class CategoryViewSet(ModelViewSet):
|
|
"""
|
|
API endpoint for categories.
|
|
|
|
There are the following views: metadata, list, retrieve, create,
|
|
partial_update, update, destroy and numbering.
|
|
"""
|
|
access_permissions = CategoryAccessPermissions()
|
|
queryset = Category.objects.all()
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
if self.action in ('list', 'retrieve'):
|
|
result = self.get_access_permissions().check_permissions(self.request.user)
|
|
elif self.action == 'metadata':
|
|
result = has_perm(self.request.user, 'motions.can_see')
|
|
elif self.action in ('create', 'partial_update', 'update', 'destroy', 'numbering'):
|
|
result = (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
else:
|
|
result = False
|
|
return result
|
|
|
|
@detail_route(methods=['post'])
|
|
def numbering(self, request, pk=None):
|
|
"""
|
|
Special view endpoint to number all motions in this category.
|
|
|
|
Only managers can use this view.
|
|
|
|
Send POST {'motions': [<list of motion ids>]} to sort the given
|
|
motions in a special order. Ids of motions which do not belong to
|
|
the category are just ignored. Send just POST {} to sort all
|
|
motions in the category by database id.
|
|
|
|
Amendments will get a new identifier prefix if the old prefix matches
|
|
the old parent motion identifier.
|
|
"""
|
|
category = self.get_object()
|
|
number = 0
|
|
instances = []
|
|
|
|
# If MOTION_IDENTIFIER_WITHOUT_BLANKS is set, don't use blanks when building identifier.
|
|
without_blank = hasattr(settings, 'MOTION_IDENTIFIER_WITHOUT_BLANKS') and settings.MOTION_IDENTIFIER_WITHOUT_BLANKS
|
|
|
|
# Prepare ordered list of motions.
|
|
if not category.prefix:
|
|
prefix = ''
|
|
elif without_blank:
|
|
prefix = '%s' % category.prefix
|
|
else:
|
|
prefix = '%s ' % category.prefix
|
|
motions = category.motion_set.all()
|
|
motion_list = request.data.get('motions')
|
|
if motion_list:
|
|
motion_dict = {}
|
|
for motion in motions.filter(id__in=motion_list):
|
|
motion_dict[motion.pk] = motion
|
|
motions = [motion_dict[pk] for pk in motion_list]
|
|
|
|
# Change identifiers.
|
|
error_message = None
|
|
try:
|
|
with transaction.atomic():
|
|
# Collect old and new identifiers.
|
|
motions_to_be_sorted = []
|
|
for motion in motions:
|
|
if motion.is_amendment():
|
|
parent_identifier = motion.parent.identifier or ''
|
|
if without_blank:
|
|
prefix = '%s%s' % (parent_identifier, config['motions_amendments_prefix'])
|
|
else:
|
|
prefix = '%s %s ' % (parent_identifier, config['motions_amendments_prefix'])
|
|
number += 1
|
|
new_identifier = '%s%s' % (prefix, motion.extend_identifier_number(number))
|
|
motions_to_be_sorted.append({
|
|
'motion': motion,
|
|
'old_identifier': motion.identifier,
|
|
'new_identifier': new_identifier,
|
|
'number': number
|
|
})
|
|
|
|
# Remove old identifiers
|
|
for motion in motions:
|
|
motion.identifier = None
|
|
# This line is to skip agenda item autoupdate. See agenda/signals.py.
|
|
motion.agenda_item_update_information['skip_autoupdate'] = True
|
|
motion.save(skip_autoupdate=True)
|
|
|
|
# Set new identifers and change identifiers of amendments.
|
|
for obj in motions_to_be_sorted:
|
|
if Motion.objects.filter(identifier=obj['new_identifier']).exists():
|
|
# Set the error message and let the code run into an IntegrityError
|
|
error_message = _('Numbering aborted because the motion identifier "%s" '
|
|
'already exists outside of this category.') % obj['new_identifier']
|
|
motion = obj['motion']
|
|
motion.identifier = obj['new_identifier']
|
|
motion.identifier_number = obj['number']
|
|
motion.save(skip_autoupdate=True)
|
|
instances.append(motion)
|
|
instances.append(motion.agenda_item)
|
|
# Change identifiers of amendments.
|
|
for child in motion.get_amendments_deep():
|
|
if child.identifier and child.identifier.startswith(obj['old_identifier']):
|
|
child.identifier = re.sub(
|
|
obj['old_identifier'],
|
|
obj['new_identifier'],
|
|
child.identifier,
|
|
count=1)
|
|
# This line is to skip agenda item autoupdate. See agenda/signals.py.
|
|
child.agenda_item_update_information['skip_autoupdate'] = True
|
|
child.save(skip_autoupdate=True)
|
|
instances.append(child)
|
|
instances.append(child.agenda_item)
|
|
except IntegrityError:
|
|
if error_message is None:
|
|
error_message = _('Error: At least one identifier of this category does '
|
|
'already exist in another category.')
|
|
response = Response({'detail': error_message}, status=400)
|
|
else:
|
|
inform_changed_data(instances)
|
|
message = _('All motions in category {category} numbered '
|
|
'successfully.').format(category=category)
|
|
response = Response({'detail': message})
|
|
return response
|
|
|
|
|
|
class MotionBlockViewSet(ModelViewSet):
|
|
"""
|
|
API endpoint for motion blocks.
|
|
|
|
There are the following views: metadata, list, retrieve, create,
|
|
partial_update, update and destroy.
|
|
"""
|
|
access_permissions = MotionBlockAccessPermissions()
|
|
queryset = MotionBlock.objects.all()
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
if self.action in ('list', 'retrieve'):
|
|
result = self.get_access_permissions().check_permissions(self.request.user)
|
|
elif self.action == 'metadata':
|
|
result = has_perm(self.request.user, 'motions.can_see')
|
|
elif self.action in ('create', 'partial_update', 'update', 'destroy', 'follow_recommendations'):
|
|
result = (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
else:
|
|
result = False
|
|
return result
|
|
|
|
@detail_route(methods=['post'])
|
|
def follow_recommendations(self, request, pk=None):
|
|
"""
|
|
View to set the states of all motions of this motion block each to
|
|
its recommendation. It is a POST request without any data.
|
|
"""
|
|
motion_block = self.get_object()
|
|
instances = []
|
|
with transaction.atomic():
|
|
for motion in motion_block.motion_set.all():
|
|
# Follow recommendation.
|
|
motion.follow_recommendation()
|
|
motion.save(skip_autoupdate=True)
|
|
# Write the log message.
|
|
motion.write_log(
|
|
message_list=[ugettext_noop('State set to'), ' ', motion.state.name],
|
|
person=request.user,
|
|
skip_autoupdate=True)
|
|
instances.append(motion)
|
|
inform_changed_data(instances)
|
|
return Response({'detail': _('Followed recommendations successfully.')})
|
|
|
|
|
|
class ProtectedErrorMessageMixin:
|
|
def getProtectedErrorMessage(self, name, error):
|
|
# The protected objects can just be motions..
|
|
motions = ['"' + str(m) + '"' for m in error.protected_objects.all()]
|
|
count = len(motions)
|
|
motions_verbose = ', '.join(motions[:3])
|
|
if count > 3:
|
|
motions_verbose += ', ...'
|
|
|
|
if count == 1:
|
|
msg = _('This {} is assigned to motion {}.').format(name, motions_verbose)
|
|
else:
|
|
msg = _('This {} is assigned to motions {}.').format(name, motions_verbose)
|
|
return msg + ' ' + _('Please remove all assignments before deletion.')
|
|
|
|
|
|
class WorkflowViewSet(ModelViewSet, ProtectedErrorMessageMixin):
|
|
"""
|
|
API endpoint for workflows.
|
|
|
|
There are the following views: metadata, list, retrieve, create,
|
|
partial_update, update and destroy.
|
|
"""
|
|
access_permissions = WorkflowAccessPermissions()
|
|
queryset = Workflow.objects.all()
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
if self.action in ('list', 'retrieve'):
|
|
result = self.get_access_permissions().check_permissions(self.request.user)
|
|
elif self.action == 'metadata':
|
|
result = has_perm(self.request.user, 'motions.can_see')
|
|
elif self.action in ('create', 'partial_update', 'update', 'destroy'):
|
|
result = (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
else:
|
|
result = False
|
|
return result
|
|
|
|
def destroy(self, *args, **kwargs):
|
|
"""
|
|
Customized view endpoint to delete a motion poll.
|
|
"""
|
|
try:
|
|
result = super().destroy(*args, **kwargs)
|
|
except ProtectedError as e:
|
|
msg = self.getProtectedErrorMessage('workflow', e)
|
|
raise ValidationError({'detail': msg})
|
|
return result
|
|
|
|
|
|
class StateViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, GenericViewSet,
|
|
ProtectedErrorMessageMixin):
|
|
"""
|
|
API endpoint for workflow states.
|
|
|
|
There are the following views: create, update, partial_update and destroy.
|
|
"""
|
|
queryset = State.objects.all()
|
|
serializer_class = StateSerializer
|
|
|
|
def check_view_permissions(self):
|
|
"""
|
|
Returns True if the user has required permissions.
|
|
"""
|
|
return (has_perm(self.request.user, 'motions.can_see') and
|
|
has_perm(self.request.user, 'motions.can_manage'))
|
|
|
|
def destroy(self, *args, **kwargs):
|
|
"""
|
|
Customized view endpoint to delete a motion poll.
|
|
"""
|
|
state = self.get_object()
|
|
if state.workflow.first_state.pk == state.pk: # is this the first state of the workflow?
|
|
raise ValidationError({'detail': _('You cannot delete the first state of the workflow.')})
|
|
try:
|
|
result = super().destroy(*args, **kwargs)
|
|
except ProtectedError as e:
|
|
msg = self.getProtectedErrorMessage('workflow', e)
|
|
raise ValidationError({'detail': msg})
|
|
return result
|
|
|
|
|
|
# Special views
|
|
|
|
class MotionDocxTemplateView(BinaryTemplateView):
|
|
"""
|
|
Returns the template for motions docx export
|
|
"""
|
|
template_name = 'templates/docx/motions.docx'
|