1 from manifold.core.query import Query
3 from django.views.generic.base import TemplateView
4 from django.shortcuts import render_to_response
6 from unfold.loginrequired import LoginRequiredView
7 from django.http import HttpResponse
9 from manifold.core.query import Query, AnalyzedQuery
10 from manifoldapi.manifoldapi import execute_query
12 from string import join
16 from json import encoder
18 # handles serialization of datetime in json
19 DateEncoder = lambda obj: obj.strftime("%B %d, %Y %H:%M:%S") if isinstance(obj, datetime.datetime) else None
21 # support converting decimal in json
22 encoder.FLOAT_REPR = lambda o: format(o, '.2f')
24 # handles decimal numbers serialization in json
25 class DecimalEncoder(json.JSONEncoder):
26 def _iterencode(self, o, markers=None):
27 if isinstance(o, decimal.Decimal):
28 return (str(o) for o in [o])
29 return super(DecimalEncoder, self)._iterencode(o, markers)
31 def dispatch(request, object_type, object_name):
34 'platform' : platform,
36 'resource' : resource,
41 if ((object_type == 'platform') or (object_type == 'testbed')) :
42 object_type = 'local:platform'
43 object_properties = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
44 return switch.get('platform', error)(request, object_name, object_properties)
46 query = Query.get('local:object').filter_by('table', '==', object_type).select('column.name')
47 results = execute_query(request, query)
49 object_properties = []
50 for r in results[0]['column'] :
51 object_properties.append(r['name'])
53 return error(request, object_name, {})
54 return switch.get(object_type, error)(request, object_name, object_properties)
56 # if request.method == 'GET':
57 # return switch.get(request, object_type, object_name, object_properties)
58 # elif request.method == 'POST':
59 # return post(request, object_type, object_name)
61 def platform(request, object_name, object_properties):
62 query = Query().get('local:platform').filter_by('disabled', '==', '0').filter_by('gateway_type', '==', 'sfa').filter_by('platform', '!=', 'myslice').select(object_properties)
63 return send(request, execute_query(request, query), object_properties)
65 # Add different filters possibilities [['user.user_hrn','==','$user_hrn'],['parent_authority','==','ple.upmc']]
66 def slice(request, object_name, object_properties):
67 #query = Query().get('slice').filter_by('user.user_hrn', '==', '$user_hrn').select(object_properties)
68 query = Query().get('slice').filter_by('parent_authority', '==', 'ple.upmc').select(object_properties)
69 return send(request, execute_query(request, query), object_properties)
71 def resource(request, object_name, object_properties):
74 def user(request, object_name, object_properties):
75 query = Query().get('user').filter_by('user_hrn', '==', '$user_hrn').select(object_properties)
76 return send(request, execute_query(request, query), object_properties)
78 def send(request, response, object_properties):
79 if request.path.split('/')[1] == 'rest' :
80 response_data = response
81 return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
82 elif request.path.split('/')[1] == 'table' :
83 return render_to_response('table-default.html', {'data' : response, 'properties' : object_properties})
84 elif request.path.split('/')[1] == 'datatable' :
86 response_data['columns'] = object_properties
87 response_data['labels'] = object_properties
88 #response_data['labels'] = [ 'Platform', 'Name', 'Url', 'Description','Gateway Type' ]
89 response_data['data'] = []
90 response_data['total'] = len(response)
93 for p in object_properties :
97 response_data['data'].append(d)
99 return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
101 def error(request, object_name, object_properties):
102 return HttpResponse(json.dumps({'error' : 'an error has occurred'}), content_type="application/json")