1 from django.shortcuts import render
3 from unfold.page import Page
5 from manifold.core.query import Query
6 from manifoldapi.manifoldapi import execute_admin_query, execute_query
8 from portal.actions import is_pi, create_slice, create_pending_slice
9 from portal.forms import SliceRequestForm
10 from unfold.loginrequired import LoginRequiredAutoLogoutView
11 from ui.topmenu import topmenu_items_live, the_user
13 from myslice.theme import ThemeView
17 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
18 template_name = 'slicerequest_view.html'
20 # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
21 # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
22 def post (self, request):
23 return self.get_or_post (request, 'POST')
25 def get (self, request):
26 return self.get_or_post (request, 'GET')
28 def get_or_post (self, wsgi_request, method):
33 # Retrieve the list of authorities
34 authorities_query = Query.get('authority').select('name', 'authority_hrn')
35 authorities = execute_admin_query(wsgi_request, authorities_query)
36 if authorities is not None:
37 authorities = sorted(authorities)
39 # Get user_hrn (XXX Would deserve to be simplified)
40 user_query = Query().get('local:user').select('email')
41 user_emails = execute_query(wsgi_request, user_query)
42 user_email = user_emails[0].get('email')
44 account_query = Query().get('local:account').select('user_id','platform_id','auth_type','config')
45 account_details = execute_query(wsgi_request, account_query)
47 platform_query = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
48 platform_details = execute_query(wsgi_request, platform_query)
50 # getting user_hrn from local:account
51 for account_detail in account_details:
52 for platform_detail in platform_details:
53 if platform_detail['platform_id'] == account_detail['platform_id']:
54 # taking user_hrn only from myslice account
55 # NOTE: we should later handle accounts filter_by auth_type= managed OR user
56 if 'myslice' in platform_detail['platform']:
57 account_config = json.loads(account_detail['config'])
58 user_hrn = account_config.get('user_hrn','N/A')
61 page = Page(wsgi_request)
62 page.add_css_files ( [ "http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
65 # The form has been submitted
69 'user_hrn' : user_hrn,
70 'timestamp' : time.time(),
71 'authority_hrn' : wsgi_request.POST.get('authority_hrn', ''),
72 'slice_name' : wsgi_request.POST.get('slice_name', ''),
73 'number_of_nodes' : wsgi_request.POST.get('number_of_nodes', ''),
74 'type_of_nodes' : wsgi_request.POST.get('type_of_nodes', ''),
75 'purpose' : wsgi_request.POST.get('purpose', ''),
78 authority_hrn = slice_request['authority_hrn']
79 if (authority_hrn is None or authority_hrn == ''):
80 errors.append('Please, select an authority')
82 # What kind of slice name is valid?
83 slice_name = slice_request['slice_name']
84 if (slice_name is None or slice_name == ''):
85 errors.append('Slice Name is mandatory')
87 purpose = slice_request['purpose']
88 if (purpose is None or purpose == ''):
89 errors.append('Purpose is mandatory')
92 if is_pi(wsgi_request, user_hrn, authority_hrn):
93 # PIs can directly create slices in their own authority...
94 create_slice(wsgi_request, slice_request)
95 self.template_name = 'slice-request-done-view.html'
97 # Otherwise a wsgi_request is sent to the PI
98 create_pending_slice(wsgi_request, slice_request, user_email)
99 self.template_name = 'slice-request-ack-view.html'
101 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
106 'username': wsgi_request.user.email,
107 'topmenu_items': topmenu_items_live('Request a slice', page),
110 'user_hrn': user_hrn,
112 'authorities': authorities,
115 template_env.update(slice_request)
116 template_env.update(page.prelude_env())
117 return render(wsgi_request, self.template, template_env)