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_email (XXX Would deserve to be simplified)
  42         user_query  = Query().get('local:user').select('email','config')
  43         user_details = execute_query(wsgi_request, user_query)
  44         user_email = user_details[0].get('email')
  45         # getting user_hrn
  46         for user_detail in user_details:
  47             user_config = json.loads(user_detail['config'])
  48             user_authority = user_config.get('authority','N/A')
  49         # getting the org from authority
  50         for authority in authorities:
  51             if authority['authority_hrn'] == user_authority:
  52                 authority_name = authority['name']
  53
  54         #
  55         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  56         account_details = execute_query(wsgi_request, account_query)
  57         #
  58         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  59         platform_details = execute_query(wsgi_request, platform_query)
  60         user_hrn = None
  61         # getting user_hrn from local:account
  62         for account_detail in account_details:
  63             for platform_detail in platform_details:
  64                 if platform_detail['platform_id'] == account_detail['platform_id']:
  65                     # taking user_hrn only from myslice account
  66                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  67                     if 'myslice' in platform_detail['platform']:
  68                         account_config = json.loads(account_detail['config'])
  69                         user_hrn = account_config.get('user_hrn','N/A')
  70                         acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  71
  72
  73         # checking if pi or not
  74         if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  75             pi = "is_not_pi"
  76         else:
  77             pi = "is_pi"
  78
  79
  80         # Page rendering
  81         page = Page(wsgi_request)
  82         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
  83         page.add_css_files ( [ "https://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" ] )
  84
  85         if method == 'POST':
  86             # The form has been submitted
  87
  88             # get the domain url
  89             current_site = Site.objects.get_current()
  90             current_site = current_site.domain
  91
  92             # getting the authority_hrn from the selected organization
  93             for authority in authorities:
  94                 if authority['name'] == wsgi_request.POST.get('org_name', ''):
  95                     authority_hrn = authority['authority_hrn']
  96
  97
  98
  99             slice_request = {
 100                 'type'              : 'slice',
 101                 'id'                : None,
 102                 'user_hrn'          : user_hrn,
 103                 'email'             : user_email,
 104                 'timestamp'         : time.time(),
 105                 'authority_hrn'     : authority_hrn,
 106                 'organization'      : wsgi_request.POST.get('org_name', ''),
 107                 'slice_name'        : wsgi_request.POST.get('slice_name', ''),
 108                 'number_of_nodes'   : wsgi_request.POST.get('number_of_nodes', ''),
 109                 'purpose'           : wsgi_request.POST.get('purpose', ''),
 110                 'current_site'      : current_site
 111             }
 112
 113             authority_hrn = slice_request['authority_hrn']
 114             if (authority_hrn is None or authority_hrn == ''):
 115                 errors.append('Please, select an authority')
 116
 117             # What kind of slice name is valid?
 118             slice_name = slice_request['slice_name']
 119             if (slice_name is None or slice_name == ''):
 120                 errors.append('Slice Name is mandatory')
 121
 122             purpose = slice_request['purpose']
 123             if (purpose is None or purpose == ''):
 124                 errors.append('Purpose is mandatory')
 125
 126             if not errors:
 127                 if is_pi(wsgi_request, user_hrn, authority_hrn):
 128                     # PIs can directly create slices in their own authority...
 129                     create_slice(wsgi_request, slice_request)
 130                     self.template_name = 'slice-request-done-view.html'
 131                 else:
 132                     # Otherwise a wsgi_request is sent to the PI
 133                     create_pending_slice(wsgi_request, slice_request, user_email)
 134                     self.template_name = 'slice-request-ack-view.html'
 135
 136                 return render(wsgi_request, self.template, {'theme': self.theme}) # Redirect after POST
 137         else:
 138             slice_request = {}
 139
 140         template_env = {
 141             'username': wsgi_request.user.email,
 142             'topmenu_items': topmenu_items_live('Request a slice', page),
 143             'errors': errors,
 144             'email': user_email,
 145             'user_hrn': user_hrn,
 146             'pi': pi,
 147             'authority_name': authority_name,
 148             'cc_myself': True,
 149             'authorities': authorities,
 150             'theme': self.theme,
 151             'section': "Slice request"
 152         }
 153         template_env.update(slice_request)
 154         template_env.update(page.prelude_env())
 155         return render(wsgi_request, self.template, template_env)