def give_delete_form(username, g, session):
message = session.pop('message', "")
form = gatewayforms.DeleteGateway()
t = loader.get_template(
'gateway_templates/delete_acquisition_gateway.html')
c = RequestContext(request, {
'username': username,
'g': g,
'form': form,
'message': message
})
return HttpResponse(t.render(c))
def delete(request, g_id):
'''
View for deleting AG.
'''
# Helper method used to simplify error-handling. When fields are entered incorrectly,
# a session message is set and this method is called.
def give_delete_form(username, g, session):
message = session.pop('message', "")
form = gatewayforms.DeleteGateway()
t = loader.get_template(
'gateway_templates/delete_acquisition_gateway.html')
c = RequestContext(request, {
'username': username,
'g': g,
'form': form,
'message': message
})
return HttpResponse(t.render(c))
# Once again isolating transactional for views that update multiple entities
@transactional(xg=True)
def delete_and_update(ag_id, attached_volume_ids):
db.delete_acquisition_gateway(ag_id)
for v in attached_volume_ids:
vol = db.read_volume(v)
if not vol:
continue
new_ag_ids = vol.ag_ids
new_ag_ids.remove(ag_id)
attrs = {"ag_ids": new_ag_ids}
db.update_volume(v, **attrs)
session.pop("ag_initial_data", None)
session = request.session
username = session['login_email']
g_id = int(g_id)
ag = db.read_acquisition_gateway(g_id)
if not ag:
t = loader.get_template(
'gateway_templates/delete_acquisition_gateway_failure.html')
c = RequestContext(request, {'username': username})
return HttpResponse(t.render(c))
if request.POST:
# Validate input forms
form = gatewayforms.DeleteGateway(request.POST)
if form.is_valid():
if not AG.authenticate(ag, form.cleaned_data['g_password']):
session['message'] = "Incorrect Acquisition Gateway password"
return give_delete_form(username, ag, session)
if not form.cleaned_data['confirm_delete']:
session[
'message'] = "You must tick the delete confirmation box."
return give_delete_form(username, ag, session)
delete_and_update(g_id, ag.volume_ids)
session['new_change'] = "Your gateway has been deleted."
session['next_url'] = '/syn/AG/allgateways'
session[
'next_message'] = "Click here to see all acquisition gateways."
return redirect('/syn/thanks/')
# Invalid forms
else:
# Prep error message
session['message'] = "Invalid form entry: "
for k, v in form.errors.items():
session[
'message'] = session['message'] + "\"" + k + "\"" + " -> "
for m in v:
session['message'] = session['message'] + m + " "
return give_delete_form(username, ag, session)
else:
# Not a POST, give them blank form
return give_delete_form(username, ag, session)
def delete(request, g_id):
'''
View for deleting UGs
'''
# Helper method that simplifies returning forms after user error.
def give_delete_form(username, g_name, session):
message = session.pop('message' "")
form = gatewayforms.DeleteGateway()
t = loader.get_template('gateway_templates/delete_user_gateway.html')
c = RequestContext(
request, {
'username': username,
'g_name': g_name,
'form': form,
'message': message
})
return HttpResponse(t.render(c))
session = request.session
username = session['login_email']
g_id = int(g_id)
ug = db.read_user_gateway(g_id)
if not ug:
t = loader.get_template(
'gateway_templates/delete_user_gateway_failure.html')
c = RequestContext(request, {'username': username})
return HttpResponse(t.render(c))
g_name = ug.ms_username
if ug.owner_id != user.owner_id:
t = loader.get_template(
'gateway_templates/delete_user_gateway_failure.html')
c = RequestContext(request, {'username': username})
return HttpResponse(t.render(c))
if request.POST:
# Validate input forms
form = gatewayforms.DeleteGateway(request.POST)
if form.is_valid():
if not UG.authenticate(ug, form.cleaned_data['g_password']):
session['message'] = "Incorrect User Gateway password"
return give_delete_form(username, g_name, session)
if not form.cleaned_data['confirm_delete']:
session[
'message'] = "You must tick the delete confirmation box."
return give_delete_form(username, g_name, session)
db.delete_user_gateway(g_id)
session['new_change'] = "Your gateway has been deleted."
session['next_url'] = '/syn/UG/mygateways'
session['next_message'] = "Click here to see your gateways."
return HttpResponseRedirect('/syn/thanks/')
# invalid forms
else:
# Prep error message
session['message'] = "Invalid form entry: "
for k, v in form.errors.items():
session[
'message'] = session['message'] + "\"" + k + "\"" + " -> "
for m in v:
session['message'] = session['message'] + m + " "
return give_delete_form(username, g_name, session)
else:
# Not a POST, give them blank form
return give_delete_form(username, g_name, session)