Lab as a Service 2.0

See changes here:
https://wiki.opnfv.org/display/INF/Pharos+Laas

Change-Id: I59ada5f98e70a28d7f8c14eab3239597e236ca26
Signed-off-by: Sawyer Bergeron <sbergeron@iol.unh.edu>
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

1 files changed, 108 insertions, 0 deletions

diff --git a/src/workflow/views.py b/src/workflow/views.py
new file mode 100644
index 0000000..85e4eac
--- /dev/null
+++ b/src/workflow/views.py
@@ -0,0 +1,108 @@
+##############################################################################
+# 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'})