rest/__init__.py

   1 from manifold.core.query            import Query
   2
   3 from django.views.generic.base      import TemplateView
   4 from django.shortcuts               import render_to_response
   5
   6 from unfold.loginrequired           import LoginRequiredView
   7 from django.http                    import HttpResponse
   8
   9 from manifold.core.query            import Query, AnalyzedQuery
  10 from manifoldapi.manifoldapi        import execute_query
  11
  12 from string import join
  13 import json
  14
  15
  16 def dispatch(request, object_type, object_name):
  17
  18     switch = {
  19          'platform' : platform,
  20          'slice' : slice,
  21          'resource' : resource,
  22          'user' : user
  23     }
  24
  25     # platform is local
  26     if ((object_type == 'platform') or (object_type == 'testbed')) :
  27         object_type = 'local:platform'
  28         object_properties = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
  29         return switch.get('platform', error)(request, object_name, object_properties)
  30     else :
  31         query = Query.get('local:object').filter_by('table', '==', object_type).select('column.name')
  32         results = execute_query(request, query)
  33         if results :
  34             object_properties = []
  35             for r in results[0]['column'] :
  36                 object_properties.append(r['name'])
  37         else :
  38             return error(request, object_name, {})
  39         return switch.get(object_type, error)(request, object_name, object_properties)
  40
  41 #     if request.method == 'GET':
  42 #         return switch.get(request, object_type, object_name, object_properties)
  43 #     elif request.method == 'POST':
  44 #         return post(request, object_type, object_name)
  45
  46 def platform(request, object_name, object_properties):
  47     query  = Query().get('local:platform').filter_by('disabled', '==', '0').select(object_properties)
  48     return send(request, execute_query(request, query), object_properties)
  49
  50 # Add different filters possibilities [['user.user_hrn','==','$user_hrn'],['parent_authority','==','ple.upmc']]
  51 def slice(request, object_name, object_properties):
  52     #query = Query().get('slice').filter_by('user.user_hrn', '==', '$user_hrn').select(object_properties)
  53     query = Query().get('slice').filter_by('parent_authority', '==', 'ple.upmc').select(object_properties)
  54     return send(request, execute_query(request, query), object_properties)
  55
  56 def resource(request, object_name, object_properties):
  57     pass
  58
  59 def user(request, object_name, object_properties):
  60     query = Query().get('user').filter_by('user_hrn', '==', '$user_hrn').select(object_properties)
  61     return send(request, execute_query(request, query), object_properties)
  62
  63 def send(request, response, object_properties):
  64     if request.path.split('/')[1] == 'rest' :
  65         response_data = response
  66         return HttpResponse(json.dumps(response_data), content_type="application/json")
  67     elif request.path.split('/')[1] == 'table' :
  68         return render_to_response('table-default.html', {'data' : response, 'properties' : object_properties})
  69     elif request.path.split('/')[1] == 'datatable' :
  70         response_data = {}
  71         response_data['columns'] = object_properties
  72         response_data['labels'] = object_properties
  73         #response_data['labels'] = [ 'Platform', 'Name', 'Url', 'Description','Gateway Type' ]
  74         response_data['data'] = []
  75         response_data['total'] = len(response)
  76         for r in response :
  77             d = []
  78             for p in object_properties :
  79                 d.append(r[p])
  80             print d
  81
  82             response_data['data'].append(d)
  83
  84         return HttpResponse(json.dumps(response_data), content_type="application/json")
  85
  86 def error(request, object_name, object_properties):
  87     return HttpResponse(json.dumps({'error' : 'an error has occurred'}), content_type="application/json")