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