793 lines
24 KiB
Python
793 lines
24 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.files.base import ContentFile
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from django.db.utils import IntegrityError
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from django.http import Http404, HttpResponseRedirect
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from django.shortcuts import get_object_or_404
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from django.urls import reverse, reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from acls.models import AccessControlList
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from common.views import (
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AssignRemoveView, ConfirmView, FormView, SingleObjectCreateView,
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SingleObjectDeleteView, SingleObjectDetailView,
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SingleObjectDynamicFormCreateView, SingleObjectDynamicFormEditView,
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SingleObjectDownloadView, 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 events.classes import EventType
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from events.models import StoredEventType
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from .classes import WorkflowAction
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from .forms import (
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WorkflowActionSelectionForm, WorkflowForm, WorkflowInstanceTransitionForm,
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WorkflowPreviewForm, WorkflowStateActionDynamicForm, WorkflowStateForm,
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WorkflowTransitionForm, WorkflowTransitionTriggerEventRelationshipFormSet
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)
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from .models import (
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Workflow, WorkflowInstance, WorkflowState, WorkflowStateAction,
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WorkflowTransition, WorkflowRuntimeProxy, WorkflowStateRuntimeProxy,
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)
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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_tools,
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permission_workflow_view,
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)
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from .tasks import task_launch_all_workflows
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class DocumentWorkflowInstanceListView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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AccessControlList.objects.check_access(
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permissions=permission_workflow_view, user=request.user,
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obj=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_object_list(self):
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return self.get_document().workflows.all()
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class WorkflowInstanceDetailView(SingleObjectListView):
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def dispatch(self, request, *args, **kwargs):
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AccessControlList.objects.check_access(
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permissions=permission_workflow_view, user=request.user,
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obj=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_object_list(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 form_valid(self, form):
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self.get_workflow_instance().do_transition(
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comment=form.cleaned_data['comment'],
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transition=form.cleaned_data['transition'], user=self.request.user
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)
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messages.success(
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self.request, _(
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'Document "%s" transitioned successfully'
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) % self.get_workflow_instance().document
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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_extra_kwargs(self):
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return {
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'user': self.request.user,
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'workflow_instance': self.get_workflow_instance()
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}
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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_object': 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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post_action_redirect = 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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post_action_redirect = 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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post_action_redirect = 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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AccessControlList.objects.check_access(
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permissions=permission_workflow_view, user=request.user,
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obj=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_object_list(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 SetupWorkflowStateActionCreateView(SingleObjectDynamicFormCreateView):
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form_class = WorkflowStateActionDynamicForm
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object_permission = permission_workflow_edit
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def get_class(self):
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try:
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return WorkflowAction.get(name=self.kwargs['class_path'])
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except KeyError:
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raise Http404(
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'{} class not found'.format(self.kwargs['class_path'])
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)
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def get_extra_context(self):
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return {
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'navigation_object_list': ('object', 'workflow'),
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'object': self.get_object(),
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'title': _(
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'Create a "%s" workflow action'
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) % self.get_class().label,
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'workflow': self.get_object().workflow
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}
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def get_form_extra_kwargs(self):
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return {
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'request': self.request,
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'action_path': self.kwargs['class_path']
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}
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def get_form_schema(self):
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return self.get_class()().get_form_schema(request=self.request)
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def get_instance_extra_data(self):
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return {
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'action_path': self.kwargs['class_path'],
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'state': self.get_object()
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}
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def get_object(self):
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return get_object_or_404(WorkflowState, pk=self.kwargs['pk'])
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def get_post_action_redirect(self):
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return reverse(
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'document_states:setup_workflow_state_action_list',
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args=(self.get_object().pk,)
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)
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class SetupWorkflowStateActionDeleteView(SingleObjectDeleteView):
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model = WorkflowStateAction
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object_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': (
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'object', 'workflow_state', 'workflow'
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),
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'object': self.get_object(),
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'title': _('Delete workflow state action: %s') % self.get_object(),
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'workflow': self.get_object().state.workflow,
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'workflow_state': self.get_object().state,
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}
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def get_post_action_redirect(self):
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return reverse(
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'document_states:setup_workflow_state_action_list',
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args=(self.get_object().state.pk,)
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)
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class SetupWorkflowStateActionEditView(SingleObjectDynamicFormEditView):
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form_class = WorkflowStateActionDynamicForm
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model = WorkflowStateAction
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object_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': (
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'object', 'workflow_state', 'workflow'
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),
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'object': self.get_object(),
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'title': _('Edit workflow state action: %s') % self.get_object(),
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'workflow': self.get_object().state.workflow,
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'workflow_state': self.get_object().state,
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}
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def get_form_extra_kwargs(self):
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return {
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'request': self.request,
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'action_path': self.get_object().action_path,
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}
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def get_form_schema(self):
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return self.get_object().get_class_instance().get_form_schema(
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request=self.request
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)
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class SetupWorkflowStateActionListView(SingleObjectListView):
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object_permission = permission_workflow_edit
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def dispatch(self, request, *args, **kwargs):
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messages.warning(
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request, _(
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'This is a feature preview. Things might not work as expect.'
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)
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)
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return super(
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SetupWorkflowStateActionListView, 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'),
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'object': self.get_workflow_state(),
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'title': _(
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'Actions for workflow state: %s'
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) % self.get_workflow_state(),
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'workflow': self.get_workflow_state().workflow,
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}
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def get_form_schema(self):
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return {'fields': self.get_class().fields}
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def get_object_list(self):
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return self.get_workflow_state().actions.all()
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def get_workflow_state(self):
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return get_object_or_404(WorkflowState, pk=self.kwargs['pk'])
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class SetupWorkflowStateActionSelectionView(FormView):
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form_class = WorkflowActionSelectionForm
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view_permission = permission_workflow_edit
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def form_valid(self, form):
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klass = form.cleaned_data['klass']
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return HttpResponseRedirect(
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reverse(
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'document_states:setup_workflow_state_action_create',
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args=(self.get_object().pk, klass,),
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)
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)
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def get_extra_context(self):
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return {
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'navigation_object_list': (
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'object', 'workflow'
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),
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'object': self.get_object(),
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'title': _('New workflow state action selection'),
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'workflow': self.get_object().workflow,
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}
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def get_object(self):
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return get_object_or_404(WorkflowState, pk=self.kwargs['pk'])
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class SetupWorkflowStateCreateView(SingleObjectCreateView):
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form_class = WorkflowStateForm
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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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'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_object_list(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_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(),
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'workflow_instance': self.get_object().workflow,
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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(),
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'workflow_instance': self.get_object().workflow,
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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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view_permission = permission_workflow_view
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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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def get_object_list(self):
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return self.get_workflow().transitions.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 SetupWorkflowTransitionCreateView(SingleObjectCreateView):
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form_class = WorkflowTransitionForm
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view_permission = permission_workflow_edit
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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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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_object_list(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 get_workflow(self):
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return get_object_or_404(Workflow, pk=self.kwargs['pk'])
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class SetupWorkflowTransitionDeleteView(SingleObjectDeleteView):
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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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'object': self.get_object(),
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'navigation_object_list': ('object', 'workflow_instance'),
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'workflow_instance': self.get_object().workflow,
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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(),
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'workflow_instance': self.get_object().workflow,
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}
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|
|
def get_form_kwargs(self):
|
|
kwargs = super(
|
|
SetupWorkflowTransitionEditView, self
|
|
).get_form_kwargs()
|
|
kwargs['workflow'] = self.get_object().workflow
|
|
return kwargs
|
|
|
|
def get_success_url(self):
|
|
return reverse(
|
|
'document_states:setup_workflow_transitions',
|
|
args=(self.get_object().workflow.pk,)
|
|
)
|
|
|
|
|
|
class WorkflowListView(SingleObjectListView):
|
|
view_permission = permission_workflow_view
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'hide_object': True,
|
|
'title': _('Workflows')
|
|
}
|
|
|
|
def get_object_list(self):
|
|
return WorkflowRuntimeProxy.objects.all()
|
|
|
|
|
|
class WorkflowDocumentListView(DocumentListView):
|
|
def dispatch(self, request, *args, **kwargs):
|
|
self.workflow = get_object_or_404(
|
|
WorkflowRuntimeProxy, pk=self.kwargs['pk']
|
|
)
|
|
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_workflow_view, user=request.user,
|
|
obj=self.workflow
|
|
)
|
|
|
|
return super(
|
|
WorkflowDocumentListView, self
|
|
).dispatch(request, *args, **kwargs)
|
|
|
|
def get_document_queryset(self):
|
|
return Document.objects.filter(workflows__workflow=self.workflow)
|
|
|
|
def get_extra_context(self):
|
|
context = super(WorkflowDocumentListView, self).get_extra_context()
|
|
context.update(
|
|
{
|
|
'object': self.workflow,
|
|
'title': _('Documents with the workflow: %s') % self.workflow
|
|
}
|
|
)
|
|
return context
|
|
|
|
|
|
class WorkflowStateDocumentListView(DocumentListView):
|
|
def get_document_queryset(self):
|
|
return self.get_workflow_state().get_documents()
|
|
|
|
def get_extra_context(self):
|
|
workflow_state = self.get_workflow_state()
|
|
context = super(WorkflowStateDocumentListView, self).get_extra_context()
|
|
context.update(
|
|
{
|
|
'object': workflow_state,
|
|
'navigation_object_list': ('object', 'workflow'),
|
|
'workflow': WorkflowRuntimeProxy.objects.get(
|
|
pk=workflow_state.workflow.pk
|
|
),
|
|
'title': _(
|
|
'Documents in the workflow "%s", state "%s"'
|
|
) % (
|
|
workflow_state.workflow, workflow_state
|
|
)
|
|
}
|
|
)
|
|
return context
|
|
|
|
def get_workflow_state(self):
|
|
workflow_state = get_object_or_404(
|
|
WorkflowStateRuntimeProxy, pk=self.kwargs['pk']
|
|
)
|
|
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_workflow_view, user=self.request.user,
|
|
obj=workflow_state.workflow
|
|
)
|
|
|
|
return workflow_state
|
|
|
|
|
|
class WorkflowStateListView(SingleObjectListView):
|
|
def dispatch(self, request, *args, **kwargs):
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_workflow_view, user=request.user,
|
|
obj=self.get_workflow()
|
|
)
|
|
|
|
return super(
|
|
WorkflowStateListView, self
|
|
).dispatch(request, *args, **kwargs)
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'hide_columns': True,
|
|
'hide_link': True,
|
|
'object': self.get_workflow(),
|
|
'title': _('States of workflow: %s') % self.get_workflow()
|
|
}
|
|
|
|
def get_object_list(self):
|
|
return WorkflowStateRuntimeProxy.objects.filter(
|
|
workflow=self.get_workflow()
|
|
)
|
|
|
|
def get_workflow(self):
|
|
return get_object_or_404(WorkflowRuntimeProxy, pk=self.kwargs['pk'])
|
|
|
|
|
|
class SetupWorkflowTransitionTriggerEventListView(FormView):
|
|
form_class = WorkflowTransitionTriggerEventRelationshipFormSet
|
|
submodel = StoredEventType
|
|
|
|
def dispatch(self, *args, **kwargs):
|
|
messages.warning(
|
|
self.request, _(
|
|
'This is a feature preview. Things might not work as expect.'
|
|
)
|
|
)
|
|
|
|
AccessControlList.objects.check_access(
|
|
permissions=permission_workflow_edit,
|
|
user=self.request.user, obj=self.get_object().workflow
|
|
)
|
|
|
|
EventType.refresh()
|
|
return super(
|
|
SetupWorkflowTransitionTriggerEventListView, self
|
|
).dispatch(*args, **kwargs)
|
|
|
|
def form_valid(self, form):
|
|
try:
|
|
for instance in form:
|
|
instance.save()
|
|
except Exception as exception:
|
|
messages.error(
|
|
self.request,
|
|
_(
|
|
'Error updating workflow transition trigger events; %s'
|
|
) % exception
|
|
)
|
|
else:
|
|
messages.success(
|
|
self.request, _(
|
|
'Workflow transition trigger events updated successfully'
|
|
)
|
|
)
|
|
|
|
return super(
|
|
SetupWorkflowTransitionTriggerEventListView, self
|
|
).form_valid(form=form)
|
|
|
|
def get_object(self):
|
|
return get_object_or_404(WorkflowTransition, pk=self.kwargs['pk'])
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'form_display_mode_table': True,
|
|
'navigation_object_list': ('object', 'workflow'),
|
|
'object': self.get_object(),
|
|
'title': _(
|
|
'Workflow transition trigger events for: %s'
|
|
) % self.get_object(),
|
|
'workflow': self.get_object().workflow,
|
|
}
|
|
|
|
def get_initial(self):
|
|
obj = self.get_object()
|
|
initial = []
|
|
|
|
# Return the queryset by name from the sorted list of the class
|
|
event_type_ids = [event_type.id for event_type in Event.all()]
|
|
event_type_queryset = StoredEventType.objects.filter(
|
|
name__in=event_type_ids
|
|
)
|
|
|
|
for event_type in event_type_queryset:
|
|
initial.append({
|
|
'transition': obj,
|
|
'event_type': event_type,
|
|
})
|
|
return initial
|
|
|
|
def get_post_action_redirect(self):
|
|
return reverse(
|
|
'document_states:setup_workflow_transitions',
|
|
args=(self.get_object().workflow.pk,)
|
|
)
|
|
|
|
|
|
class ToolLaunchAllWorkflows(ConfirmView):
|
|
extra_context = {
|
|
'title': _('Launch all workflows?')
|
|
}
|
|
view_permission = permission_workflow_tools
|
|
|
|
def view_action(self):
|
|
task_launch_all_workflows.apply_async()
|
|
messages.success(
|
|
self.request, _('Workflow launch queued successfully.')
|
|
)
|
|
|
|
|
|
class WorkflowImageView(SingleObjectDownloadView):
|
|
attachment = False
|
|
model = Workflow
|
|
object_permission = permission_workflow_view
|
|
|
|
def get_file(self):
|
|
workflow = self.get_object()
|
|
return ContentFile(workflow.render(), name=workflow.label)
|
|
|
|
def get_mimetype(self):
|
|
return 'image'
|
|
|
|
|
|
class WorkflowPreviewView(SingleObjectDetailView):
|
|
form_class = WorkflowPreviewForm
|
|
model = Workflow
|
|
object_permission = permission_workflow_view
|
|
|
|
def get_extra_context(self):
|
|
return {
|
|
'hide_labels': True,
|
|
'title': _('Preview of: %s') % self.get_object()
|
|
}
|