devicehub-django/device/views.py

322 lines
10 KiB
Python

import json
import logging
from django.http import JsonResponse
from django.http import Http404
from django.urls import reverse_lazy
from django.contrib import messages
from django.shortcuts import get_object_or_404, redirect, Http404
from django.utils.translation import gettext_lazy as _
from django.views.generic.edit import (
CreateView,
UpdateView,
FormView,
DeleteView,
)
from django.views.generic.base import TemplateView
from action.models import StateDefinition, State, DeviceLog
from dashboard.mixins import DashboardView, Http403
from evidence.models import UserProperty, SystemProperty
from lot.models import LotTag
from device.models import Device
from device.forms import DeviceFormSet
class NewDeviceView(DashboardView, FormView):
template_name = "new_device.html"
title = _("New Device")
breadcrumb = "Device / New Device"
success_url = reverse_lazy('dashboard:unassigned_devices')
form_class = DeviceFormSet
def form_valid(self, form):
form.save(self.request.user)
response = super().form_valid(form)
return response
def form_invalid(self, form):
response = super().form_invalid(form)
return response
# class AddToLotView(DashboardView, FormView):
# template_name = "list_lots.html"
# title = _("Add to lots")
# breadcrumb = "lot / add to lots"
# success_url = reverse_lazy('dashboard:unassigned_devices')
# form_class = LotsForm
# def get_context_data(self, **kwargs):
# context = super().get_context_data(**kwargs)
# lots = Lot.objects.filter(owner=self.request.user)
# lot_tags = LotTag.objects.filter(owner=self.request.user)
# context.update({
# 'lots': lots,
# 'lot_tags':lot_tags,
# })
# return context
# def get_form(self):
# form = super().get_form()
# form.fields["lots"].queryset = Lot.objects.filter(owner=self.request.user)
# return form
# def form_valid(self, form):
# form.devices = self.get_session_devices()
# form.save()
# response = super().form_valid(form)
# return response
class EditDeviceView(DashboardView, UpdateView):
template_name = "new_device.html"
title = _("Update Device")
breadcrumb = "Device / Update Device"
success_url = reverse_lazy('dashboard:unassigned_devices')
model = SystemProperty
def get_form_kwargs(self):
pk = self.kwargs.get('pk')
self.object = get_object_or_404(
self.model,
pk=pk,
owner=self.request.user.institution
)
self.success_url = reverse_lazy('device:details', args=[pk])
kwargs = super().get_form_kwargs()
return kwargs
class DetailsView(DashboardView, TemplateView):
template_name = "details.html"
title = _("Device")
breadcrumb = "Device / Details"
model = SystemProperty
def get(self, request, *args, **kwargs):
self.pk = kwargs['pk']
self.object = Device(id=self.pk)
if not self.object.last_evidence:
raise Http404
if self.object.owner != self.request.user.institution:
raise Http403
return super().get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
self.object.initial()
lot_tags = LotTag.objects.filter(owner=self.request.user.institution)
last_evidence= self.object.get_last_evidence(),
uuid=self.object.last_uuid()
context.update({
'object': self.object,
'snapshot': last_evidence,
'lot_tags': lot_tags,
"state_definitions": StateDefinition.objects.filter(institution=self.request.user.institution).order_by('order'),
"device_states": State.objects.filter(snapshot_uuid=uuid).order_by('-date'),
"device_logs": DeviceLog.objects.filter(snapshot_uuid=uuid).order_by('-date'),
})
return context
class PublicDeviceWebView(TemplateView):
template_name = "device_web.html"
def get(self, request, *args, **kwargs):
self.pk = kwargs['pk']
self.object = Device(id=self.pk)
if not self.object.last_evidence:
raise Http404
if self.request.headers.get('Accept') == 'application/json':
return self.get_json_response()
return super().get(request, *args, **kwargs)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
self.object.initial()
context.update({
'object': self.object
})
return context
@property
def public_fields(self):
return {
'id': self.object.id,
'shortid': self.object.shortid,
'uuids': self.object.uuids,
'hids': self.object.hids,
'components': self.remove_serial_number_from(self.object.components),
}
@property
def authenticated_fields(self):
return {
'serial_number': self.object.serial_number,
'components': self.object.components,
}
def remove_serial_number_from(self, components):
for component in components:
if 'serial_number' in component:
del component['SerialNumber']
return components
def get_device_data(self):
data = self.public_fields
if self.request.user.is_authenticated:
data.update(self.authenticated_fields)
return data
def get_json_response(self):
device_data = self.get_device_data()
return JsonResponse(device_data)
class AddUserPropertyView(DashboardView, CreateView):
template_name = "new_user_property.html"
title = _("New User Property")
breadcrumb = "Device / New Property"
success_url = reverse_lazy('dashboard:unassigned_devices')
model = UserProperty
fields = ("key", "value")
def form_valid(self, form):
form.instance.owner = self.request.user.institution
form.instance.user = self.request.user
form.instance.uuid = self.property.uuid
form.instance.type = UserProperty.Type.USER
message = _("New annotation: {}: {}".format(form.instance.key, form.instance.value))
DeviceLog.objects.create(
snapshot_uuid=form.instance.uuid,
event=message,
user=self.request.user,
institution=self.request.user.institution
)
messages.success(self.request, _("User property successfully added."))
response = super().form_valid(form)
return response
def get_form_kwargs(self):
pk = self.kwargs.get('pk')
institution = self.request.user.institution
self.property = SystemProperty.objects.filter(
owner=institution,
value=pk,
).first()
if not self.property:
raise Http404
self.success_url = reverse_lazy('device:details', args=[pk])
kwargs = super().get_form_kwargs()
return kwargs
class UpdateUserPropertyView(DashboardView, UpdateView):
template_name = "new_user_property.html"
title = _("Update User Property")
breadcrumb = "Device / Update Property"
model = UserProperty
fields = ("key", "value")
def get_form_kwargs(self):
pk = self.kwargs.get('pk')
user_property = get_object_or_404(UserProperty, pk=pk, owner=self.request.user.institution)
if not user_property:
raise Http404
kwargs = super().get_form_kwargs()
kwargs['instance'] = user_property
return kwargs
def form_valid(self, form):
old_key= self.object.key
old_value = self.object.value
new_key = form.cleaned_data['key']
new_value = form.cleaned_data['value']
form.instance.owner = self.request.user.institution
form.instance.user = self.request.user
form.instance.type = UserProperty.Type.USER
response = super().form_valid(form)
messages.success(self.request, _("User property updated successfully."))
message = _("Update annotation: {}: {} to {}:{}".format(old_key, old_value, new_key, new_value ))
DeviceLog.objects.create(
snapshot_uuid=form.instance.uuid,
event=message,
user=self.request.user,
institution=self.request.user.institution
)
return response
def get_success_url(self):
return self.request.META.get('HTTP_REFERER', reverse_lazy('device:details', args=[self.object.pk]))
class DeleteUserPropertyView(DashboardView, DeleteView):
model = UserProperty
def post(self, request, *args, **kwargs):
self.pk = kwargs['pk']
referer = request.META.get('HTTP_REFERER')
if not referer:
raise Http404("No referer header found")
self.object = get_object_or_404(
self.model,
pk=self.pk,
owner=self.request.user.institution
)
message = _("deleted annotation: {}:{}".format(self.object.key, self.object.value ))
DeviceLog.objects.create(
snapshot_uuid=self.object.uuid,
event=message,
user=self.request.user,
institution=self.request.user.institution
)
self.object.delete()
messages.info(self.request, _("User property deleted successfully."))
# Redirect back to the original URL
return redirect(referer)
class AddDocumentView(DashboardView, CreateView):
template_name = "new_user_property.html"
title = _("New Document")
breadcrumb = "Device / New document"
success_url = reverse_lazy('dashboard:unassigned_devices')
model = UserProperty
fields = ("key", "value")
def form_valid(self, form):
form.instance.owner = self.request.user.institution
form.instance.user = self.request.user
form.instance.uuid = self.property.uuid
form.instance.type = UserProperty.Type.DOCUMENT
response = super().form_valid(form)
return response
def get_form_kwargs(self):
pk = self.kwargs.get('pk')
institution = self.request.user.institution
self.property = SystemProperty.objects.filter(
owner=institution,
value=pk,
).first()
if not self.property:
raise Http404
self.success_url = reverse_lazy('device:details', args=[pk])
kwargs = super().get_form_kwargs()
return kwargs