def handle_celery_task_failure(self):
logger.error("Celery task failure")
flash_messages = ajax.FlashMessages()
flash_messages.error(
_("Something went terribly wrong, please try again shortly."))
payload = {'messages': flash_messages.to_json(), 'status': 'FAILURE'}
return HttpResponse(json.dumps(payload), mimetype="application/json")
def formset_invalid(self, formset):
flash_messages = ajax.FlashMessages()
flash_messages.warning(_("Your basket couldn't be updated"))
if self.request.is_ajax():
ctx = self.get_context_data(formset=formset,
basket=self.request.basket)
return self.json_response(ctx, flash_messages)
flash_messages.apply_to_request(self.request)
return super(BasketView, self).formset_invalid(formset)
def handle_celery_task_result(self, result):
flash_messages = ajax.FlashMessages()
msgs = result.pop('flash_messages')
if result and result.get('methods'):
self.collect_general_shipping_messages(msgs)
self.add_flash_messages(flash_messages, msgs)
return self.shipping_methods_json_response(
request=self.request,
ctx=result,
flash_messages=flash_messages,
html_template=self.shipping_methods_template_name,
status='COMPLETED',
is_valid=True)
def formset_invalid(self, formset):
flash_messages = ajax.FlashMessages()
flash_messages.warning(
_("Your basket couldn't be updated. "
"Please correct any validation errors below."))
if self.request.is_ajax():
ctx = self.get_context_data(formset=formset,
basket=self.request.basket)
return self.json_response(ctx, flash_messages)
flash_messages.apply_to_request(self.request)
return super().formset_invalid(formset)
def post(self, request, *args, **kwargs):
if request.is_ajax():
payload = {}
flash_messages = ajax.FlashMessages()
orders_ids = request.POST.getlist('selected_line')
orders = list(Order.objects.select_related('package').filter(id__in=orders_ids))
if len(orders):
payload['download_url'] = self.zip_return_labels(orders)
flash_messages.success("zip file created successfully")
self.change_orders_status_to_shipped(orders)
else:
flash_messages.info("No orders selected")
return self.json_response(flash_messages, payload)
return self.reload_page_response()
def create_response(self):
"""Generate the actual HttpResponse to send back to the user."""
# if only one result is returned then automatically redirect
# to that serial category page
context = self.get_context()
results = context['serial_results']
if results.count() == 1:
cat = results[0]
return redirect(cat)
else:
# if not serials were found, show message to user
if not results:
flash_messages = ajax.FlashMessages()
flash_messages.error(_("No categories were found."))
flash_messages.apply_to_request(self.request)
return super(SerialSearchView, self).create_response()
def formset_invalid(self, formset):
has_deletion = any(formset._should_delete_form(form) for form in formset.forms)
has_no_invalid_non_deletion = all(form.is_valid() or formset._should_delete_form(form)
for form in formset.forms)
if has_deletion:
self.remove_deleted_forms(formset)
if has_no_invalid_non_deletion:
return self.formset_valid(formset)
flash_messages = ajax.FlashMessages()
flash_messages.warning(_(
"Your basket has got some issues. "
"Please correct any validation errors below."))
if self.request.is_ajax():
ctx = self.get_context_data(formset=formset,
basket=self.request.basket)
return self.json_response(ctx, flash_messages)
flash_messages.apply_to_request(self.request)
return super().formset_invalid(formset)
def form_valid(self, form):
# We make sure to call the parent's form_valid() method because
# it might do some processing (in the case of CreateView, it will
# call form.save() for example).
response = super(AsynBasketAddView, self).form_valid(form)
flash_messages = ajax.FlashMessages()
if self.request.is_ajax():
# Clear django messages from storage since we are using ajax
storage = messages.get_messages(self.request)
for message in storage:
pass
# push message into message's queue
flash_messages.info(self.get_success_message(form))
# pass Basket formset to handle the basket element
formset = BasketLineFormSet(
strategy=self.request.basket.strategy,
queryset=self.request.basket.all_lines())
ctx = {"formset": formset}
return self.json_response(ctx, flash_messages)
else:
return response
def formset_valid(self, formset):
# Store offers before any changes are made so we can inform the user of
# any changes
offers_before = self.request.basket.applied_offers()
save_for_later = False
# Keep a list of messages - we don't immediately call
# django.contrib.messages as we may be returning an AJAX response in
# which case we pass the messages back in a JSON payload.
flash_messages = ajax.FlashMessages()
for form in formset:
if (hasattr(form, 'cleaned_data')
and form.cleaned_data['save_for_later']):
line = form.instance
if self.request.user.is_authenticated():
self.move_line_to_saved_basket(line)
msg = render_to_string('basket/messages/line_saved.html',
{'line': line})
flash_messages.info(msg)
save_for_later = True
else:
msg = _("You can't save an item for later if you're "
"not logged in!")
flash_messages.error(msg)
return HttpResponseRedirect(self.get_success_url())
if save_for_later:
# No need to call super if we're moving lines to the saved basket
response = HttpResponseRedirect(self.get_success_url())
else:
# Save changes to basket as per normal
response = super(BasketView, self).formset_valid(formset)
# If AJAX submission, don't redirect but reload the basket content HTML
if self.request.is_ajax():
# Reload basket and apply offers again
self.request.basket = get_model(
'basket', 'Basket').objects.get(id=self.request.basket.id)
self.request.basket.strategy = self.request.strategy
Applicator().apply(self.request, self.request.basket)
offers_after = self.request.basket.applied_offers()
for level, msg in get_messages(self.request.basket,
offers_before,
offers_after,
include_buttons=False):
flash_messages.add_message(level, msg)
# Reload formset - we have to remove the POST fields from the
# kwargs as, if they are left in, the formset won't construct
# correctly as there will be a state mismatch between the
# management form and the database.
kwargs = self.get_formset_kwargs()
del kwargs['data']
del kwargs['files']
if 'queryset' in kwargs:
del kwargs['queryset']
formset = self.get_formset()(queryset=self.get_queryset(),
**kwargs)
ctx = self.get_context_data(formset=formset,
basket=self.request.basket)
return self.json_response(ctx, flash_messages)
apply_messages(self.request, offers_before)
return response
def formset_valid(self, formset):
# Store offers before any changes are made so we can inform the user of
# any changes
# 在进行任何更改之前存储报价，以便我们可以通知用户任何更改。
offers_before = self.request.basket.applied_offers()
save_for_later = False
# Keep a list of messages - we don't immediately call
# django.contrib.messages as we may be returning an AJAX response in
# which case we pass the messages back in a JSON payload.
# 保持一个消息列表-我们不会立即调用django.contrib.messages ，因为我们可能返回
# 一个Ajax响应，在这种情况下，我们将消息传递回JSON有效载荷。
flash_messages = ajax.FlashMessages()
for form in formset:
if (hasattr(form, 'cleaned_data')
and form.cleaned_data['save_for_later']):
line = form.instance
if self.request.user.is_authenticated:
self.move_line_to_saved_basket(line)
msg = render_to_string('basket/messages/line_saved.html',
{'line': line})
flash_messages.info(msg)
save_for_later = True
else:
msg = _("You can't save an item for later if you're "
"not logged in!")
flash_messages.error(msg)
return redirect(self.get_success_url())
if save_for_later:
# No need to call super if we're moving lines to the saved basket
# 如果我们把行移到保存的购物篮，就不需要调用超级。
response = redirect(self.get_success_url())
else:
# Save changes to basket as per normal
# 按常规保存购物篮的更改
response = super().formset_valid(formset)
# If AJAX submission, don't redirect but reload the basket content HTML
# 如果Ajax提交，不要重定向，而是重新加载购物篮内容HTML
if self.request.is_ajax():
# Reload basket and apply offers again
# 重新加载购物篮并再次应用报价
self.request.basket = get_model(
'basket', 'Basket').objects.get(id=self.request.basket.id)
self.request.basket.strategy = self.request.strategy
Applicator().apply(self.request.basket, self.request.user,
self.request)
offers_after = self.request.basket.applied_offers()
for level, msg in BasketMessageGenerator().get_messages(
self.request.basket,
offers_before,
offers_after,
include_buttons=False):
flash_messages.add_message(level, msg)
# Reload formset - we have to remove the POST fields from the
# kwargs as, if they are left in, the formset won't construct
# correctly as there will be a state mismatch between the
# management form and the database.
# 重新加载必须从kwargs as中删除POST字段，如果它们被留在其中，则表单将无法
# 正确构建，因为管理表单和数据库之间存在状态不匹配。
kwargs = self.get_formset_kwargs()
del kwargs['data']
del kwargs['files']
if 'queryset' in kwargs:
del kwargs['queryset']
formset = self.get_formset()(queryset=self.get_queryset(),
**kwargs)
ctx = self.get_context_data(formset=formset,
basket=self.request.basket)
return self.json_response(ctx, flash_messages)
BasketMessageGenerator().apply_messages(self.request, offers_before)
return response
