def createConnectable(var):
#If var is and SLOT or and EVENT, a proper connectable object must be created!
aspect = var.vardef.aspect
name = var.vardef.name
connectable = None
if (aspect == 'SLOT'):
connectable = Out(name=name, abstract_variable=var.abstract_variable)
if (aspect == 'EVEN'):
connectable = In(name=name, variable=var)
if (connectable == None):
return {}
connectable.save()
connectableId = {}
connectableId['id'] = connectable.id
connectableId['name'] = name
return connectableId
def create(self, request, user_name, screen_id=None):
user = user_authentication(user_name)
# Gets all needed parameters from request
if request.POST.has_key('json'):
json = simplejson.loads(request.POST['json'])
else:
return HttpResponseBadRequest('json parameter expected')
#TODO Remove this. Sets user screen by default
if not screen_id:
screen_id = 1
try:
#Gets current user screen
screen = Screen.objects.get(user=user, code=screen_id)
igadgets = json['iGadgetList']
for igadget in igadgets:
igadget_object = IGadget.objects.get(screen=screen,
code=igadget['id'])
# Save all IGadget connections (in and out variables)
for var in igadget['list']:
var_object = Variable.objects.get(uri=var['uri'],
vardef__name=var['name'],
igadget=igadget_object)
# Remove existed connections
Out.objects.filter(variable=var_object).delete()
In.objects.filter(variable=var_object).delete()
# Saves IN connection
if var['aspect'] == 'EVEN':
uri_in = "/user/%s/igadgets/%s/in/%s" % (
user_name, igadget_object.code, var['name'])
in_object = In(uri=uri_in,
name=var['name'],
variable=var_object)
in_object.save()
# Saves OUT connection
if var['aspect'] == 'SLOT':
uri_out = "/user/%s/igadgets/%s/out/%s" % (
user_name, igadget_object.code, var['name'])
out_object = Out(uri=uri_out,
name=var['name'],
variable=var_object)
out_object.save()
# Delete channels
InOut.objects.filter(user=user).delete()
# Saves all channels
for inout in json['inOutList']:
inout_object = None
inout_object = InOut(user=user,
uri=inout['uri'],
name=inout['name'],
friend_code=inout['friend_code'],
value=inout['value'])
inout_object.save()
# Saves all channel inputs
for ins in inout['ins']:
igadget_object = IGadget.objects.get(screen=screen,
code=ins['igadget'])
var_object = Variable.objects.get(vardef__name=ins['name'],
igadget=igadget_object)
connected_in = In.objects.get(variable=var_object)
connected_in.inout.add(inout_object)
# Saves all channel outputs
for out in inout['outs']:
igadget_object = IGadget.objects.get(screen=screen,
code=out['igadget'])
var_object = Variable.objects.get(vardef__name=out['name'],
igadget=igadget_object)
connected_out = Out.objects.get(variable=var_object)
connected_out.inout.add(inout_object)
transaction.commit()
return HttpResponse('ok')
except Screen.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest('refered screen (' + screen_id +
') doesn\'t exists.')
except IGadget.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest('refered igadget doesn\'t exists.')
except Variable.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest('refered variable doesn\'t exists.')
except Exception, e:
transaction.rollback()
return HttpResponseBadRequest('connectables cannot be save: %s' %
e)
def create(self, request, user_name, screen_id=None):
user = user_authentication(user_name)
# Gets all needed parameters from request
if request.POST.has_key('json'):
json = simplejson.loads(request.POST['json'])
else:
return HttpResponseBadRequest (_(u'JSON parameter expected'))
#TODO Remove this. Sets user screen by default
if not screen_id:
screen_id = 1
try:
#Gets current user screen
screen = Screen.objects.get(user=user, code=screen_id)
igadgets = json['iGadgetList']
for igadget in igadgets:
igadget_object = IGadget.objects.get(screen=screen, code=igadget['id'])
# Save all IGadget connections (in and out variables)
for var in igadget['list']:
var_object = Variable.objects.get(uri=var['uri'], vardef__name=var['name'], igadget=igadget_object)
# Remove existed connections
Out.objects.filter(variable=var_object).delete()
In.objects.filter(variable=var_object).delete()
# Saves IN connection
if var['aspect'] == 'EVEN':
uri_in = "/user/%s/igadgets/%s/in/%s" % (user_name, igadget_object.code, var['name'])
in_object = In(uri=uri_in, name=var['name'], variable=var_object)
in_object.save()
# Saves OUT connection
if var['aspect'] == 'SLOT':
uri_out = "/user/%s/igadgets/%s/out/%s" % (user_name, igadget_object.code, var['name'])
out_object = Out(uri=uri_out, name=var['name'], variable=var_object)
out_object.save()
# Delete channels
InOut.objects.filter(user=user).delete()
# Saves all channels
for inout in json['inOutList']:
inout_object = None
inout_object = InOut(user=user, uri=inout['uri'], name=inout['name'], friend_code=inout['friend_code'], value=inout['value'])
inout_object.save()
# Saves all channel inputs
for ins in inout['ins']:
igadget_object = IGadget.objects.get(screen=screen, code=ins['igadget'])
var_object = Variable.objects.get(vardef__name=ins['name'], igadget=igadget_object)
connected_in = In.objects.get(variable=var_object)
connected_in.inout.add(inout_object)
# Saves all channel outputs
for out in inout['outs']:
igadget_object = IGadget.objects.get(screen=screen, code=out['igadget'])
var_object = Variable.objects.get(vardef__name=out['name'], igadget=igadget_object)
connected_out = Out.objects.get(variable=var_object)
connected_out.inout.add(inout_object)
transaction.commit()
return HttpResponse ('ok')
except Screen.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest(_('refered screen %(screen_id)s doesn\'t exists.') % {'screen_id': screen_id})
except IGadget.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest(_('refered igadget doesn\'t exists.'))
except Variable.DoesNotExist:
transaction.rollback()
return HttpResponseBadRequest(_('refered variable doesn\'t exists.'))
except Exception, e:
transaction.rollback()
return HttpResponseBadRequest(_('connectables cannot be save: %(exc)s') % {'exc': e})