495 lines
15 KiB
Python
495 lines
15 KiB
Python
from __future__ import absolute_import, unicode_literals
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from django.contrib import messages
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from django.core.exceptions import PermissionDenied
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from django.core.urlresolvers import reverse, reverse_lazy
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from django.db.utils import IntegrityError
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from django.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404
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from django.utils.translation import ugettext_lazy as _
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from django.views.generic import FormView
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from acls.models import AccessControlList
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from common.views import (
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AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
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SingleObjectEditView, SingleObjectListView
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)
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from documents.models import Document
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from documents.views import DocumentListView
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from permissions import Permission
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from .forms import (
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WorkflowForm, WorkflowInstanceTransitionForm, WorkflowStateForm,
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WorkflowTransitionForm
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)
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from .models import Workflow, WorkflowInstance, WorkflowState, WorkflowTransition
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from .permissions import (
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permission_workflow_create, permission_workflow_delete,
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permission_workflow_edit, permission_workflow_view,
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permission_document_workflow_view, permission_document_workflow_transition
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)
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class DocumentWorkflowInstanceListView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_document_workflow_view,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_document_workflow_view, request.user,
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self.get_document()
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)
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return super(
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DocumentWorkflowInstanceListView, self
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).dispatch(request, *args, **kwargs)
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def get_document(self):
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return get_object_or_404(Document, pk=self.kwargs['pk'])
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def get_extra_context(self):
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return {
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'hide_link': True,
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'object': self.get_document(),
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'title': _(
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'Workflows for document: %s'
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) % self.get_document(),
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}
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def get_queryset(self):
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return self.get_document().workflows.all()
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class WorkflowDocumentListView(DocumentListView):
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def dispatch(self, request, *args, **kwargs):
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self.workflow = get_object_or_404(Workflow, pk=self.kwargs['pk'])
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try:
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Permission.check_permissions(
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request.user, (permission_workflow_view,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_workflow_view, request.user, self.workflow
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)
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return super(
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WorkflowDocumentListView, self
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).dispatch(request, *args, **kwargs)
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def get_document_queryset(self):
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return Document.objects.filter(
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document_type__in=self.workflow.document_types.all()
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)
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def get_extra_context(self):
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return {
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'hide_links': True,
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'object': self.workflow,
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'title': _('Documents with the workflow: %s') % self.workflow
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}
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class WorkflowInstanceDetailView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_document_workflow_view,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_document_workflow_view, request.user,
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self.get_workflow_instance().document
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)
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return super(
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WorkflowInstanceDetailView, self
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).dispatch(request, *args, **kwargs)
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def get_extra_context(self):
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return {
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'hide_object': True,
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'navigation_object_list': ('object', 'workflow_instance'),
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'object': self.get_workflow_instance().document,
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'title': _('Detail of workflow: %(workflow)s') % {
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'workflow': self.get_workflow_instance()
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},
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'workflow_instance': self.get_workflow_instance(),
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}
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def get_queryset(self):
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return self.get_workflow_instance().log_entries.order_by('-datetime')
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def get_workflow_instance(self):
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return get_object_or_404(WorkflowInstance, pk=self.kwargs['pk'])
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class WorkflowInstanceTransitionView(FormView):
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form_class = WorkflowInstanceTransitionForm
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template_name = 'appearance/generic_form.html'
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_document_workflow_transition,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_document_workflow_transition, request.user,
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self.get_workflow_instance().document
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)
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return super(
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WorkflowInstanceTransitionView, self
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).dispatch(request, *args, **kwargs)
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def form_valid(self, form):
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transition = self.get_workflow_instance().workflow.transitions.get(
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pk=form.cleaned_data['transition']
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)
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self.get_workflow_instance().do_transition(
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comment=form.cleaned_data['comment'], transition=transition,
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user=self.request.user
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)
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return HttpResponseRedirect(self.get_success_url())
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def get_extra_context(self):
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return {
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'navigation_object_list': ('object', 'workflow_instance'),
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'object': self.get_workflow_instance().document,
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'submit_label': _('Submit'),
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'title': _(
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'Do transition for workflow: %s'
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) % self.get_workflow_instance(),
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'workflow_instance': self.get_workflow_instance(),
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}
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def get_form_kwargs(self):
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kwargs = super(WorkflowInstanceTransitionView, self).get_form_kwargs()
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kwargs['workflow'] = self.get_workflow_instance()
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return kwargs
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def get_success_url(self):
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return self.get_workflow_instance().get_absolute_url()
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def get_workflow_instance(self):
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return get_object_or_404(WorkflowInstance, pk=self.kwargs['pk'])
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# Setup
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class SetupWorkflowListView(SingleObjectListView):
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extra_context = {
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'title': _('Workflows'),
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'hide_link': True,
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}
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model = Workflow
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view_permission = permission_workflow_view
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class SetupWorkflowCreateView(SingleObjectCreateView):
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form_class = WorkflowForm
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model = Workflow
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view_permission = permission_workflow_create
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success_url = reverse_lazy('document_states:setup_workflow_list')
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class SetupWorkflowEditView(SingleObjectEditView):
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form_class = WorkflowForm
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model = Workflow
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view_permission = permission_workflow_edit
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success_url = reverse_lazy('document_states:setup_workflow_list')
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class SetupWorkflowDeleteView(SingleObjectDeleteView):
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model = Workflow
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view_permission = permission_workflow_delete
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success_url = reverse_lazy('document_states:setup_workflow_list')
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class SetupWorkflowDocumentTypesView(AssignRemoveView):
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decode_content_type = True
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object_permission = permission_workflow_edit
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left_list_title = _('Available document types')
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right_list_title = _('Document types assigned this workflow')
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def add(self, item):
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self.get_object().document_types.add(item)
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# TODO: add task launching this workflow for all the document types
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# of item
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def get_extra_context(self):
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return {
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'title': _(
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'Document types assigned the workflow: %s'
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) % self.get_object(),
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'object': self.get_object(),
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}
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def get_object(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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def left_list(self):
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return AssignRemoveView.generate_choices(
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self.get_object().get_document_types_not_in_workflow()
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)
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def right_list(self):
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return AssignRemoveView.generate_choices(
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self.get_object().document_types.all()
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)
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def remove(self, item):
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self.get_object().document_types.remove(item)
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# TODO: add task deleting this workflow for all the document types of
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# item
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class SetupWorkflowStateListView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_workflow_edit,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_workflow_edit, request.user, self.get_workflow()
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)
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return super(
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SetupWorkflowStateListView, self
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).dispatch(request, *args, **kwargs)
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def get_extra_context(self):
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return {
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'hide_link': True,
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'object': self.get_workflow(),
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'title': _('States of workflow: %s') % self.get_workflow()
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}
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def get_queryset(self):
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return self.get_workflow().states.all()
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def get_workflow(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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class SetupWorkflowStateCreateView(SingleObjectCreateView):
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form_class = WorkflowStateForm
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_workflow_edit,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_workflow_edit, request.user, self.get_workflow()
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)
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return super(
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SetupWorkflowStateCreateView, self
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).dispatch(request, *args, **kwargs)
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def get_extra_context(self):
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return {
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'object': self.get_workflow(),
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'title': _(
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'Create states for workflow: %s'
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) % self.get_workflow()
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}
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def get_workflow(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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def get_queryset(self):
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return self.get_workflow().states.all()
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_states', args=(self.kwargs['pk'],)
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)
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def form_valid(self, form):
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self.object = form.save(commit=False)
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self.object.workflow = self.get_workflow()
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self.object.save()
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return super(SetupWorkflowStateCreateView, self).form_valid(form)
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class SetupWorkflowStateDeleteView(SingleObjectDeleteView):
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model = WorkflowState
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view_permission = permission_workflow_delete
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def get_extra_context(self):
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return {
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'navigation_object_list': ('object', 'workflow_instance'),
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'object': self.get_object().workflow,
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'workflow_instance': self.get_object(),
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}
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_States',
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args=(self.get_object().workflow.pk,)
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)
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class SetupWorkflowStateEditView(SingleObjectEditView):
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form_class = WorkflowStateForm
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model = WorkflowState
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view_permission = permission_workflow_edit
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def get_extra_context(self):
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return {
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'navigation_object_list': ('object', 'workflow_instance'),
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'object': self.get_object().workflow,
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'workflow_instance': self.get_object(),
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}
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_states',
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args=(self.get_object().workflow.pk,)
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)
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# Transitions
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class SetupWorkflowTransitionListView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_workflow_edit,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_workflow_edit, request.user, self.get_workflow()
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)
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return super(
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SetupWorkflowTransitionListView, self
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).dispatch(request, *args, **kwargs)
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def get_workflow(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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def get_queryset(self):
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return self.get_workflow().transitions.all()
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def get_extra_context(self):
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return {
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'hide_link': True,
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'object': self.get_workflow(),
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'title': _(
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'Transitions of workflow: %s'
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) % self.get_workflow()
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}
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class SetupWorkflowTransitionCreateView(SingleObjectCreateView):
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form_class = WorkflowTransitionForm
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def dispatch(self, request, *args, **kwargs):
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try:
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Permission.check_permissions(
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request.user, (permission_workflow_edit,)
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)
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except PermissionDenied:
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AccessControlList.objects.check_access(
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permission_workflow_edit, request.user, self.get_workflow()
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)
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return super(
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SetupWorkflowTransitionCreateView, self
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).dispatch(request, *args, **kwargs)
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def get_extra_context(self):
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return {
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'object': self.get_workflow(),
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'title': _(
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'Create transitions for workflow: %s'
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) % self.get_workflow()
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}
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def get_form_kwargs(self):
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kwargs = super(
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SetupWorkflowTransitionCreateView, self
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).get_form_kwargs()
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kwargs['workflow'] = self.get_workflow()
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return kwargs
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def get_workflow(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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def get_queryset(self):
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return self.get_workflow().transitions.all()
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_transitions',
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args=(self.kwargs['pk'],)
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)
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def form_valid(self, form):
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self.object = form.save(commit=False)
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self.object.workflow = self.get_workflow()
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try:
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self.object.save()
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except IntegrityError:
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messages.error(
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self.request, _('Unable to save transition; integrity error.')
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)
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return super(
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SetupWorkflowTransitionCreateView, self
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).form_invalid(form)
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else:
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return HttpResponseRedirect(self.get_success_url())
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class SetupWorkflowTransitionDeleteView(SingleObjectDeleteView):
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model = WorkflowTransition
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view_permission = permission_workflow_delete
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def get_extra_context(self):
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return {
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'object': self.get_object().workflow,
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'navigation_object_list': ('object', 'workflow_instance'),
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'workflow_instance': self.get_object(),
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}
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_transitions',
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args=(self.get_object().workflow.pk,)
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)
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class SetupWorkflowTransitionEditView(SingleObjectEditView):
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form_class = WorkflowTransitionForm
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model = WorkflowTransition
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view_permission = permission_workflow_edit
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def get_extra_context(self):
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return {
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'navigation_object_list': ('object', 'workflow_instance'),
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'object': self.get_object().workflow,
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'workflow_instance': self.get_object(),
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}
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def get_form_kwargs(self):
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kwargs = super(
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SetupWorkflowTransitionEditView, self
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).get_form_kwargs()
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kwargs['workflow'] = self.get_object().workflow
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return kwargs
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def get_success_url(self):
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return reverse(
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'document_states:setup_workflow_transitions',
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args=(self.get_object().workflow.pk,)
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)
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