portal/slicerequestview.py

   1 import json
   2 import time
   3 import re
   4
   5 from django.shortcuts           import render
   6 from django.shortcuts           import render_to_response
   7 from django.template                    import RequestContext
   8 from django.contrib.sites.models import Site
   9
  10 from unfold.page                import Page
  11
  12 from manifold.core.query        import Query
  13 from manifoldapi.manifoldapi    import execute_admin_query, execute_query
  14
  15 from portal.actions             import is_pi, create_slice, create_pending_slice, clear_user_creds, authority_check_pis
  16 #from portal.forms               import SliceRequestForm
  17 from unfold.loginrequired       import LoginRequiredAutoLogoutView
  18 from ui.topmenu                 import topmenu_items_live, the_user
  19
  20 from myslice.theme import ThemeView
  21 from myslice.settings import logger
  22
  23 import activity.user
  24 theme = ThemeView()
  25
  26 class SliceRequestView (LoginRequiredAutoLogoutView, ThemeView):
  27     template_name = 'slicerequest_view.html'
  28
  29     # because we inherit LoginRequiredAutoLogoutView that is implemented by redefining 'dispatch'
  30     # we cannot redefine dispatch here, or we'd lose LoginRequired and AutoLogout behaviours
  31     def post (self, request):
  32         return self.get_or_post (request, 'POST')
  33
  34     def get (self, request):
  35         return self.get_or_post (request, 'GET')
  36
  37     def get_or_post  (self, request, method):
  38         """
  39         """
  40
  41         errors = []
  42         slice_name =''
  43         purpose=''
  44         url=''
  45         authority_hrn = None
  46         authority_name = None
  47         # Retrieve the list of authorities
  48         if self.theme == 'fed4fire':
  49             authorities_query = Query.get('myslice:authority').select('authority_hrn')
  50         else:
  51             authorities_query = Query.get('authority').select('name', 'authority_hrn')
  52         authorities = execute_admin_query(request, authorities_query)
  53         if authorities is not None:
  54             authorities = sorted(authorities, key=lambda k: k['authority_hrn'])
  55             if self.theme != 'fed4fire':
  56                 authorities = sorted(authorities, key=lambda k: k['name'])
  57
  58         # Get user_email (XXX Would deserve to be simplified)
  59         user_query  = Query().get('local:user').select('email','config')
  60         user_details = execute_query(request, user_query)
  61         user_email = user_details[0].get('email')
  62         # getting user_hrn
  63         for user_detail in user_details:
  64             user_config = json.loads(user_detail['config'])
  65             user_authority = user_config.get('authority','N/A')
  66         # getting the org from authority
  67         for authority in authorities:
  68             if 'name' in authority and authority['authority_hrn'] == user_authority:
  69                 authority_name = authority['name']
  70
  71         # Handle the case when we use only hrn and not name
  72         if authority_name is None:
  73             authority_name = user_authority
  74
  75         account_query  = Query().get('local:account').select('user_id','platform_id','auth_type','config')
  76         account_details = execute_query(request, account_query)
  77
  78         platform_query  = Query().get('local:platform').select('platform_id','platform','gateway_type','disabled')
  79         platform_details = execute_query(request, platform_query)
  80         user_hrn = None
  81         #getting user_hrn from local:account
  82         for account_detail in account_details:
  83             for platform_detail in platform_details:
  84                 if platform_detail['platform_id'] == account_detail['platform_id']:
  85                     # taking user_hrn only from myslice account
  86                     # NOTE: we should later handle accounts filter_by auth_type= managed OR user
  87                     if 'myslice' in platform_detail['platform']:
  88                         account_config = json.loads(account_detail['config'])
  89                         user_hrn = account_config.get('user_hrn','N/A')
  90         #                acc_auth_cred = account_config.get('delegated_authority_credentials','N/A')
  91
  92
  93         # checking if pi or not
  94         #if acc_auth_cred == {} or acc_auth_cred == 'N/A':
  95         #    pi = "is_not_pi"
  96         #else:
  97         #    pi = "is_pi"
  98
  99         pi = authority_check_pis (request, user_email)
 100         logger.debug("SLICEREQUESTVIEW.PY -----  pi= {}".format(pi))
 101
 102         # Page rendering
 103         page = Page(request)
 104         page.add_js_files  ( [ "js/jquery.validate.js", "js/jquery-ui.js" ] )
 105         page.add_css_files ( [ "css/jquery-ui.css" ] )
 106         page.expose_js_metadata()
 107
 108         if method == 'POST':
 109             # The form has been submitted
 110
 111             # get the domain url
 112             current_site = Site.objects.get_current()
 113             current_site = current_site.domain
 114
 115             if theme.theme != 'fed4fire':
 116                 # getting the authority_hrn from the selected organization
 117                 for authority in authorities:
 118                     if authority['name'] == request.POST.get('org_name', ''):
 119                         authority_hrn = authority['authority_hrn']
 120
 121             # Handle the case when we use only hrn and not name
 122             if authority_hrn is None:
 123                 authority_hrn = request.POST.get('org_name', '')
 124
 125             # Handle project if used
 126             project = request.POST.get('project', None)
 127             if project is not None and project != '':
 128                 authority_hrn = project
 129
 130             slice_name = request.POST.get('slice_name', '')
 131             if not slice_name or len(slice_name) == 0 :
 132                 errors.append('Slice name can\'t be empty')
 133
 134             # accept only lowercase names
 135             slice_name = slice_name.lower()
 136
 137             slice_request = {
 138                 'type'              : 'slice',
 139                 'id'                : None,
 140                 'user_hrn'          : user_hrn,
 141                 'email'             : user_email,
 142                 'timestamp'         : time.time(),
 143                 'authority_hrn'     : authority_hrn,
 144                 'organization'      : request.POST.get('org_name', ''),
 145                 'slice_name'        : slice_name,
 146                 'url'               : request.POST.get('url', ''),
 147                 'purpose'           : request.POST.get('purpose', ''),
 148                 'current_site'      : current_site
 149             }
 150
 151             # slice name is unique among all authorities
 152             slice_query = Query().get('myslice:slice').select('slice_hrn')
 153             slice_details_sfa = execute_admin_query(request, slice_query)
 154             for _slice in slice_details_sfa:
 155                 split_list = _slice['slice_hrn'].split('.')
 156                 sfa_slice_name = split_list[-1]
 157                 if sfa_slice_name == slice_name:
 158                     errors.append('Slice already exists. Please use a different slice name.')
 159
 160
 161             # What kind of slice name is valid?
 162             if slice_name is None or slice_name == '':
 163                 errors.append('Slice name is mandatory')
 164
 165             if re.search(r'^[A-Za-z0-9_]*$', slice_name) is None:
 166                 errors.append('Slice name may contain only letters, numbers, and underscore.')
 167
 168             organization = slice_request['organization']
 169             if theme.theme == 'fed4fire':
 170                 if organization is None or organization == '':
 171                     errors.append('Selecting project is mandatory')
 172             else:
 173                 if organization is None or organization == '':
 174                     errors.append('Organization is mandatory')
 175
 176             slice_length= len(slice_request['slice_name'])
 177             if slice_length >19:
 178                 errors.append('Slice name can be maximum 19 characters long')
 179
 180
 181
 182             purpose = slice_request['purpose']
 183             if purpose is None or purpose == '':
 184                 errors.append('Experiment purpose is mandatory')
 185
 186             url = slice_request['url']
 187
 188             if not errors:
 189                 if is_pi(request, user_hrn, authority_hrn):
 190                     # PIs can directly create slices in their own authority...
 191                     create_slice(request, slice_request)
 192                     clear_user_creds(request, user_email)
 193                     self.template_name = 'slice-request-done-view.html'
 194                 else:
 195                     # Otherwise a request is sent to the PI
 196                     create_pending_slice(request, slice_request, user_email)
 197                     self.template_name = 'slice-request-ack-view.html'
 198
 199                 # log user activity
 200                 activity.user.slice(request)
 201                 return render_to_response(self.template, {'theme': self.theme, 'request':request}, context_instance=RequestContext(request))
 202                 #return render(request, self.template, {'theme': self.theme}) # Redirect after POST
 203         else:
 204             slice_request = {}
 205
 206         template_env = {
 207             'username': request.user.email,
 208             'topmenu_items': topmenu_items_live('Request a slice', page),
 209             'errors': errors,
 210             'slice_name': slice_name,
 211             'purpose': purpose,
 212             'email': user_email,
 213             'user_hrn': user_hrn,
 214             'url': url,
 215             'pi': pi,
 216             'authority_name': authority_name,
 217             'authority_hrn': user_authority,
 218             'cc_myself': True,
 219             'authorities': authorities,
 220             'theme': self.theme,
 221             'section': "Slice request",
 222             'request': request,
 223         }
 224         template_env.update(slice_request)
 225         template_env.update(page.prelude_env())
 226
 227         return render_to_response(self.template,template_env, context_instance=RequestContext(request))
 228         #return render(request, self.template, template_env)