portal/slicerequestview.py

   1 from django.shortcuts           import render
   2 from django.contrib.sites.models import Site
   3
   4
   5 from unfold.page                import Page
   6
   7 from manifold.core.query        import Query
   8 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
   9
  10 from portal.actions             import is_pi, create_slice, create_pending_slice
  11 from portal.forms               import SliceRequestForm
  12 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  13 from ui.topmenu                 import topmenu_items_live, the_user
  14
  15 from myslice.theme import ThemeView
  16
  17 import json, time
  18
  19 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  20     template_name = 'slicerequest_view.html'
  21
  22     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  23     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  24     def post (self, request):
  25         return self.get_or_post (request, 'POST')
  26
  27     def get (self, request):
  28         return self.get_or_post (request, 'GET')
  29
  30     def get_or_post  (self, wsgi_request, method):
  31         """
  32         """
  33         errors = []
  34
  35         # Retrieve the list of authorities
  36         authorities_query = Query.get('authority').select('name', 'authority_hrn')
  37         authorities = execute_admin_query(wsgi_request, authorities_query)
  38         if authorities is not None:
  39             authorities = sorted(authorities)
  40
  41         # Get user_hrn (XXX Would deserve to be simplified)
  42         user_query  = Query().get('local:user').select('email')
  43         user_emails = execute_query(wsgi_request, user_query)
  44         user_email = user_emails[0].get('email')
  45         #
  46         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  47         account_details = execute_query(wsgi_request, account_query)
  48         #
  49         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  50         platform_details = execute_query(wsgi_request, platform_query)
  51         user_hrn = None
  52         # getting user_hrn from local:account
  53         for account_detail in account_details:
  54             for platform_detail in platform_details:
  55                 if platform_detail['platform_id'] == account_detail['platform_id']:
  56                     # taking user_hrn only from myslice account
  57                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  58                     if 'myslice' in platform_detail['platform']:
  59                         account_config = json.loads(account_detail['config'])
  60                         user_hrn = account_config.get('user_hrn','N/A')
  61                         acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  62
  63
  64         # checking if pi or not
  65         if acc_auth_cred == {}:
  66             pi = "is_not_pi"
  67         else:
  68             pi = "is_pi"
  69
  70
  71         # Page rendering
  72         page = Page(wsgi_request)
  73         page.add_css_files ( [ "http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  74
  75         if method == 'POST':
  76             # The form has been submitted
  77
  78             # get the domain url
  79             current_site = Site.objects.get_current()
  80             current_site = current_site.domain
  81
  82             slice_request = {
  83                 'type'              : 'slice',
  84                 'id'                : None,
  85                 'user_hrn'          : user_hrn,
  86                 'email'             : user_email,
  87                 'timestamp'         : time.time(),
  88                 'authority_hrn'     : wsgi_request.POST.get('authority_hrn', ''),
  89                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
  90                 'number_of_nodes'   : wsgi_request.POST.get('number_of_nodes', ''),
  91                 'purpose'           : wsgi_request.POST.get('purpose', ''),
  92                 'current_site'      : current_site
  93             }
  94
  95             authority_hrn = slice_request['authority_hrn']
  96             if (authority_hrn is None or authority_hrn == ''):
  97                 errors.append('Please, select an authority')
  98
  99             # What kind of slice name is valid?
 100             slice_name = slice_request['slice_name']
 101             if (slice_name is None or slice_name == ''):
 102                 errors.append('Slice Name is mandatory')
 103
 104             purpose = slice_request['purpose']
 105             if (purpose is None or purpose == ''):
 106                 errors.append('Purpose is mandatory')
 107
 108             if not errors:
 109                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 110                     # PIs can directly create slices in their own authority...
 111                     create_slice(wsgi_request, slice_request)
 112                     self.template_name = 'slice-request-done-view.html'
 113                 else:
 114                     # Otherwise a wsgi_request is sent to the PI
 115                     create_pending_slice(wsgi_request, slice_request, user_email)
 116                     self.template_name = 'slice-request-ack-view.html'
 117
 118                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 119         else:
 120             slice_request = {}
 121
 122         template_env = {
 123             'username': wsgi_request.user.email,
 124             'topmenu_items': topmenu_items_live('Request a slice', page),
 125             'errors': errors,
 126             'email': user_email,
 127             'user_hrn': user_hrn,
 128             'pi': pi,
 129             'cc_myself': True,
 130             'authorities': authorities,
 131             'theme': self.theme,
 132             'section': "Slice request"
 133         }
 134         template_env.update(slice_request)
 135         template_env.update(page.prelude_env())
 136         return render(wsgi_request, self.template, template_env)