-from manifold.core.query import Query
-
-from django.views.generic.base import TemplateView
-from django.shortcuts import render_to_response
+import decimal
+import datetime
+import json
-from unfold.loginrequired import LoginRequiredView
from django.http import HttpResponse
-from manifold.core.query import Query, AnalyzedQuery
+from manifold.core.query import Query
from manifoldapi.manifoldapi import execute_query
-from string import join
-import decimal
-import datetime
-import json
-from json import encoder
+from myslice.settings import logger
# handles serialization of datetime in json
DateEncoder = lambda obj: obj.strftime("%B %d, %Y %H:%M:%S") if isinstance(obj, datetime.datetime) else None
# support converting decimal in json
-encoder.FLOAT_REPR = lambda o: format(o, '.2f')
+json.encoder.FLOAT_REPR = lambda o: format(o, '.2f')
# handles decimal numbers serialization in json
class DecimalEncoder(json.JSONEncoder):
if isinstance(o, decimal.Decimal):
return (str(o) for o in [o])
return super(DecimalEncoder, self)._iterencode(o, markers)
+
+class ObjectRequest(object):
+
+ def __init__(self, request, object_type, object_name):
+ self.type = object_type
+ self.name = object_name
+ self.fields = []
+ self.params = []
+ self.filters = {}
+ self.options = None
-def dispatch(request, object_type, object_name):
+ self.request = request
+
+ if ((self.type == 'platform') or (self.type == 'testbed')) :
+ self.type = 'local:platform'
+ self.id = 'platform'
+ self.fields = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
+ self.filters['disabled'] = '0'
+ self.filters['gateway_type'] = 'sfa'
+ self.filters['platform'] = '!myslice'
+ #elif(self.type.startswith('local:')):
+ elif ':' in self.type:
+ table = self.type.split(':')
+ prefix = table[0]
+ table = table[1]
+ if prefix == 'local':
+ # XXX TODO: find a generic Query to get the fields like
+ # select column.name from local:object where table == local:user
+ table = self.type.split(':')
+ table = table[1]
+ if table == "user":
+ self.id = table + '_id'
+ self.fields = ['user_id', 'email', 'password', 'config','status'];
+ elif table == "account":
+ # XXX TODO: Multiple key for account = (platform_id, user_id)
+ self.id = "platform_id, user_id"
+ self.fields = ['platform_id', 'user_id', 'auth_type', 'config'];
+ elif table == "platform":
+ self.id = 'platform'
+ self.fields = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
+ else:
+ # If we use prefix, set the key without the prefix then add it again
+ self.type = table
+ self.setKey()
+ self.setLocalFields()
+ self.type = prefix + ':' + table
+ else :
+ self.setKey()
+ self.setLocalFields()
- object_properties = None
- object_filters = None
+ def setKey(self):
+ # What about key formed of multiple fields???
+ query = Query.get('local:object').filter_by('table', '==', self.type).select('key')
+ results = execute_query(self.request, query)
+ logger.debug("key of object = {}".format(results))
+ if results :
+ for r in results[0]['key'] :
+ self.id = r
+ else :
+ raise Exception, 'Manifold db error'
- switch = {
- 'platform' : platform,
- 'slice' : slice,
- 'resource' : resource,
- 'user' : user
- }
+ def setLocalFields(self):
+ query = Query.get('local:object').filter_by('table', '==', self.type).select('column.name')
+ results = execute_query(self.request, query)
+ if results :
+ for r in results[0]['column'] :
+ self.fields.append(r['name'])
+ else :
+ raise Exception, 'Manifold db error'
- if request.method == 'POST':
- if 'filters' in request.POST :
- object_filters = request.POST.getlist('filters[]')
- print '########################'
- print object_filters
- print "$$$$$$$$$$$$$$$$$$$$$$"
- print request.POST
+ def setFields(self, fields):
+# selected_fields = []
+# for p in fields :
+# if p in self.fields :
+# selected_fields.append(p)
+ self.fields = fields
- if 'columns[]' in request.POST :
- object_properties = request.POST.getlist('columns[]')
- # platform is local
- if ((object_type == 'platform') or (object_type == 'testbed')) :
- object_type = 'local:platform'
- if object_properties == None :
- object_properties = ['platform', 'platform_longname', 'platform_url', 'platform_description','gateway_type'];
- return switch.get('platform', error)(request, object_name, object_properties, object_filters)
- else :
- if object_properties == None :
- query = Query.get('local:object').filter_by('table', '==', object_type).select('column.name')
- results = execute_query(request, query)
- if results :
- object_properties = []
- for r in results[0]['column'] :
- object_properties.append(r['name'])
- else :
- return error(request, object_name, {})
- return switch.get(object_type, error)(request, object_name, object_properties, object_filters)
-
-# if request.method == 'GET':
-# return switch.get(request, object_type, object_name, object_properties)
-# elif request.method == 'POST':
-# return post(request, object_type, object_name)
-
-def platform(request, object_name, object_properties, object_filters = None):
- query = Query().get('local:platform').filter_by('disabled', '==', '0').filter_by('gateway_type', '==', 'sfa').filter_by('platform', '!=', 'myslice').select(object_properties)
- return send(request, execute_query(request, query), object_properties)
-
-# Add different filters possibilities [['user.user_hrn','==','$user_hrn'],['parent_authority','==','ple.upmc']]
-def slice(request, object_name, object_properties, object_filters = None):
- #query = Query().get('slice').filter_by('user.user_hrn', '==', '$user_hrn').select(object_properties)
- query = Query().get('slice').filter_by('parent_authority', '==', 'ple.upmc').select(object_properties)
- return send(request, execute_query(request, query), object_properties)
+ def applyFilters(self, query, force_filters = False):
+ if (force_filters and not self.filters) :
+ raise Exception, "Filters required"
+ if self.filters :
+ for k, f in self.filters.iteritems() :
+ if (f[:1] == "!") :
+ query.filter_by(k, '!=', f[1:])
+ elif (f[:2] == ">=") :
+ query.filter_by(k, '>=', f[2:])
+ elif (f[:1] == ">") :
+ query.filter_by(k, '>', f[1:])
+ elif (f[:2] == "<=") :
+ query.filter_by(k, '<=', f[2:])
+ elif (f[:1] == "<") :
+ query.filter_by(k, '<', f[1:])
+ elif (f[:8] == "CONTAINS") :
+ query.filter_by(k, 'CONTAINS', f[8:])
+ else :
+ query.filter_by(k, '==', f)
+ return query
+
+ def get(self):
+ query = Query.get(self.type)
+ if (self.id is not None) and (self.id not in self.fields) :
+ query.select(self.fields + [self.id])
+ else :
+ query.select(self.fields)
+
+ query = self.applyFilters(query)
+ return execute_query(self.request, query)
-def resource(request, object_name, object_properties, object_filters = None):
- query = Query().get('resource').select(object_properties)
- return send(request, execute_query(request, query), object_properties)
+ def create(self):
+ query = Query.create(self.type)
+ # No filters for create
+ if self.params :
+ for p in self.params :
+ for k,v in p.iteritems() :
+ logger.debug("param: {} : {}".format(k, v))
+ query.set({k : v})
+ logger.debug("query = {}".format(query))
+ else:
+ raise Exception, "Params are required for create"
+ return execute_query(self.request, query)
+
+ def update(self):
+ query = Query.update(self.type)
+ query = self.applyFilters(query, True)
-def user(request, object_name, object_properties, object_filters = None):
- query = Query().get('user').filter_by('user_hrn', '==', '$user_hrn').select(object_properties)
- return send(request, execute_query(request, query), object_properties)
+ if self.params :
+ for p in self.params :
+ for k,v in p.iteritems() :
+ logger.debug("param: {} : {}".format(k, v))
+ query.set({k : v})
+ logger.debug("query = {}".format(query))
+ else:
+ raise Exception, "Params are required for update"
-def send(request, response, object_properties):
- if request.path.split('/')[1] == 'rest' :
- response_data = response
- return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
- elif request.path.split('/')[1] == 'table' :
- return render_to_response('table-default.html', {'data' : response, 'properties' : object_properties})
- elif request.path.split('/')[1] == 'datatable' :
+ if self.id is not None:
+ query.select(self.id)
+
+ return execute_query(self.request, query)
+
+ def delete(self):
+ query = Query.delete(self.type)
+ query = self.applyFilters(query, True)
+ if self.filters :
+ query.set(self.filters)
+ else:
+ raise Exception, "Filters are required for delete"
+ return execute_query(self.request, query)
+
+ def json(self):
+ return HttpResponse(json.dumps(self.get(), cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
+
+ def datatable(self):
+ response = self.get()
response_data = {}
- response_data['columns'] = object_properties
- response_data['labels'] = object_properties
- #response_data['labels'] = [ 'Platform', 'Name', 'Url', 'Description','Gateway Type' ]
+ response_data['fields'] = self.fields
+ response_data['labels'] = self.fields
response_data['data'] = []
response_data['total'] = len(response)
for r in response :
d = []
- for p in object_properties :
+ for p in self.fields :
d.append(r[p])
- print d
-
response_data['data'].append(d)
-
+
return HttpResponse(json.dumps(response_data, cls=DecimalEncoder, default=DateEncoder), content_type="application/json")
-def error(request, object_name, object_properties):
- return HttpResponse(json.dumps({'error' : 'an error has occurred'}), content_type="application/json")
+def error(msg):
+ return HttpResponse(json.dumps({'error' : msg}), content_type="application/json")
+
+def success(msg):
+ return HttpResponse(json.dumps({'success' : msg}), content_type="application/json")
git://git.onelab.eu / myslice.git / blobdiff