134 lines
4.7 KiB
Python
134 lines
4.7 KiB
Python
"""passbook Flow administration"""
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from django.contrib import messages
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib.auth.mixins import (
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PermissionRequiredMixin as DjangoPermissionRequiredMixin,
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)
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from django.contrib.messages.views import SuccessMessageMixin
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from django.http import HttpRequest, HttpResponse, JsonResponse
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext as _
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from django.views.generic import DetailView, FormView, ListView, UpdateView
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from guardian.mixins import PermissionListMixin, PermissionRequiredMixin
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from passbook.admin.views.utils import DeleteMessageView
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from passbook.flows.forms import FlowForm, FlowImportForm
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from passbook.flows.models import Flow
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from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER
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from passbook.flows.transfer.exporter import FlowExporter
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from passbook.flows.transfer.importer import FlowImporter
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from passbook.flows.views import SESSION_KEY_PLAN, FlowPlanner
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from passbook.lib.utils.urls import redirect_with_qs
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from passbook.lib.views import CreateAssignPermView
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class FlowListView(LoginRequiredMixin, PermissionListMixin, ListView):
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"""Show list of all flows"""
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model = Flow
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permission_required = "passbook_flows.view_flow"
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ordering = "name"
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paginate_by = 40
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template_name = "administration/flow/list.html"
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class FlowCreateView(
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SuccessMessageMixin,
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LoginRequiredMixin,
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DjangoPermissionRequiredMixin,
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CreateAssignPermView,
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):
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"""Create new Flow"""
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model = Flow
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form_class = FlowForm
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permission_required = "passbook_flows.add_flow"
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template_name = "generic/create.html"
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success_url = reverse_lazy("passbook_admin:flows")
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success_message = _("Successfully created Flow")
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class FlowUpdateView(
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SuccessMessageMixin, LoginRequiredMixin, PermissionRequiredMixin, UpdateView
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):
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"""Update flow"""
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model = Flow
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form_class = FlowForm
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permission_required = "passbook_flows.change_flow"
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template_name = "generic/update.html"
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success_url = reverse_lazy("passbook_admin:flows")
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success_message = _("Successfully updated Flow")
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class FlowDeleteView(LoginRequiredMixin, PermissionRequiredMixin, DeleteMessageView):
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"""Delete flow"""
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model = Flow
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permission_required = "passbook_flows.delete_flow"
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template_name = "generic/delete.html"
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success_url = reverse_lazy("passbook_admin:flows")
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success_message = _("Successfully deleted Flow")
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class FlowDebugExecuteView(LoginRequiredMixin, PermissionRequiredMixin, DetailView):
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"""Debug exectue flow, setting the current user as pending user"""
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model = Flow
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permission_required = "passbook_flows.view_flow"
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# pylint: disable=unused-argument
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def get(self, request: HttpRequest, pk: str) -> HttpResponse:
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"""Debug exectue flow, setting the current user as pending user"""
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flow: Flow = self.get_object()
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planner = FlowPlanner(flow)
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planner.use_cache = False
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plan = planner.plan(self.request, {PLAN_CONTEXT_PENDING_USER: request.user})
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self.request.session[SESSION_KEY_PLAN] = plan
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return redirect_with_qs(
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"passbook_flows:flow-executor-shell", self.request.GET, flow_slug=flow.slug,
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)
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class FlowImportView(LoginRequiredMixin, FormView):
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"""Import flow from JSON Export; only allowed for superusers
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as these flows can contain python code"""
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form_class = FlowImportForm
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template_name = "administration/flow/import.html"
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success_url = reverse_lazy("passbook_admin:flows")
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def dispatch(self, request, *args, **kwargs):
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if not request.user.is_superuser:
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return self.handle_no_permission()
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return super().dispatch(request, *args, **kwargs)
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def form_valid(self, form: FlowImportForm) -> HttpResponse:
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importer = FlowImporter(form.cleaned_data["flow"].read().decode())
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successful = importer.apply()
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if not successful:
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messages.error(self.request, _("Failed to import flow."))
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else:
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messages.success(self.request, _("Successfully imported flow."))
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return super().form_valid(form)
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class FlowExportView(LoginRequiredMixin, PermissionRequiredMixin, DetailView):
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"""Export Flow"""
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model = Flow
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permission_required = "passbook_flows.export_flow"
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# pylint: disable=unused-argument
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def get(self, request: HttpRequest, pk: str) -> HttpResponse:
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"""Debug exectue flow, setting the current user as pending user"""
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flow: Flow = self.get_object()
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exporter = FlowExporter(flow)
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export = exporter.export_to_string()
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response = JsonResponse(export)
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response["Content-Disposition"] = f'attachment; filename="{flow.slug}.json"'
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return response
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