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
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 json.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):
33 object_properties = []
37 'platform' : platform,
39 'resource' : resource,
43 if request.method == 'POST':
44 for el in request.POST.items():
45 if el[0].startswith('filters'):
46 object_filters[el[0][8:-1]] = el[1]
47 elif el[0].startswith('columns'):
48 object_properties = request.POST.getlist('columns[]')
51 if ((object_type == 'platform') or (object_type == 'testbed')) :
52 object_type = 'local:platform'
53 if object_properties == None :
54 object_properties = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
55 return switch.get('platform', error)(request, object_name, object_properties, object_filters)
57 if object_properties == None :
58 query = Query.get('local:object').filter_by('table', '==', object_type).select('column.name')
59 results = execute_query(request, query)
61 object_properties = []
62 for r in results[0]['column'] :
63 object_properties.append(r['name'])
65 return error(request, object_name, {})
66 return switch.get(object_type, error)(request, object_name, object_properties, object_filters)
68 def platform(request, object_name, object_properties, object_filters = None):
69 query = Query().get('local:platform').filter_by('disabled', '==', '0').filter_by('gateway_type', '==', 'sfa').filter_by('platform', '!=', 'myslice')
71 for k, f in object_filters.iteritems() :
72 query.filter_by(k, '==', f)
73 query.select(object_properties)
74 return send(request, execute_query(request, query), object_properties)
76 # Add different filters possibilities [['user.user_hrn','==','$user_hrn'],['parent_authority','==','ple.upmc']]
77 def slice(request, object_name, object_properties, object_filters = None):
78 query = Query().get('slice')#.filter_by('user.user_hrn', '==', '$user_hrn')
80 for k, f in object_filters.iteritems() :
81 query.filter_by(k, '==', f)
82 query.select(object_properties)
83 return send(request, execute_query(request, query), object_properties)
85 def resource(request, object_name, object_properties, object_filters = None):
86 query = Query().get('resource')
88 for k, f in object_filters.iteritems() :
89 query.filter_by(k, '==', f)
90 query.select(object_properties)
91 return send(request, execute_query(request, query), object_properties)
93 def user(request, object_name, object_properties, object_filters = None):
94 query = Query().get('user')#.filter_by('user_hrn', '==', '$user_hrn')
96 for k, f in object_filters.iteritems() :
97 query.filter_by(k, '==', f)
98 query.select(object_properties)
99 return send(request, execute_query(request, query), object_properties)
101 def send(request, response, object_properties):
102 if request.path.split('/')[1] == 'rest' :
103 response_data = response
104 return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
105 elif request.path.split('/')[1] == 'table' :
106 return render_to_response('table-default.html', {'data' : response, 'properties' : object_properties})
107 elif request.path.split('/')[1] == 'datatable' :
109 response_data['columns'] = object_properties
110 response_data['labels'] = object_properties
111 #response_data['labels'] = [ 'Platform', 'Name', 'Url', 'Description','Gateway Type' ]
112 response_data['data'] = []
113 response_data['total'] = len(response)
116 for p in object_properties :
120 response_data['data'].append(d)
122 return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
124 def error(request, object_name, object_properties):
125 return HttpResponse(json.dumps({'error' : 'an error has occurred'}), content_type="application/json")