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##############################################################################
# Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from django.http import HttpResponse, HttpRequest, HttpResponseGone
from django.urls import reverse
from django.shortcuts import render, redirect
from django import forms
import uuid
from workflow.forms import *
from workflow.workflow_manager import *
import logging
logger = logging.getLogger(__name__)
def attempt_auth(request):
try:
manager = ManagerTracker.managers[request.session['manager_session']]
return manager
except KeyError:
return None
def delete_session(request):
try:
manager = ManagerTracker.managers[request.session['manager_session']]
del ManagerTracker.managers[request.session['manager_session']]
return HttpResponse('')
except KeyError:
return None
def step_view(request):
manager = attempt_auth(request)
if not manager:
#no manager found, redirect to "lost" page
return no_workflow(request)
if request.GET.get('step') is not None:
manager.goto(int(request.GET.get('step')))
return manager.render(request)
def manager_view(request):
manager = attempt_auth(request)
if not manager:
return HttpResponseGone("No session found that relates to current request")
if request.method == 'GET': #no need for this statement if only intercepting post requests
#return general context for viewport page
return manager.status(request)
if request.method == 'POST':
if request.POST.get('add') is not None:
logger.debug("add found")
target_id = None
if 'target' in request.POST:
target_id=int(request.POST.get('target'))
manager.add_workflow(workflow_type=int(request.POST.get('add')), target_id=target_id)
elif request.POST.get('edit') is not None and request.POST.get('edit_id') is not None:
logger.debug("edit found")
manager.add_workflow(workflow_type=request.POST.get('edit'), edit_object=int(request.POST.get('edit_id')))
elif request.POST.get('cancel') is not None:
mgr = ManagerTracker.managers[request.session['manager_session']]
del ManagerTracker.managers[request.session['manager_session']]
del mgr
return manager.status(request)
def viewport_view(request):
if not request.user.is_authenticated:
return login(request)
manager = attempt_auth(request)
if manager is None:
return no_workflow(request)
if request.method == 'GET':
return render(request, 'workflow/viewport-base.html')
else:
pass
def create_session(wf_type, request):
wf = int(wf_type)
smgr = SessionManager(request=request)
smgr.add_workflow(workflow_type=wf, target_id=request.POST.get("target"))
manager_uuid = uuid.uuid4().hex
ManagerTracker.getInstance().managers[manager_uuid] = smgr
return manager_uuid
def no_workflow(request):
logger.debug("There is no active workflow")
return render(request, 'workflow/no_workflow.html', {'title': "Not Found"})
def login(request):
return render(request, "dashboard/login.html", {'title': 'Authentication Required'})
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