def edit_promotion(request, promotion_id):
if not promotion_id:
return HttpResponseRedirect("/")
try:
promotion_id = int(promotion_id)
except ValueError:
raise Http404
promotion = Promotion.get_by_id(promotion_id)
if not promotion:
raise Http404
if request.method == "POST":
form = PromotionEditForm(request.POST)
if form.is_valid():
edit_promotion = form.save(commit=False)
promotion.subject = edit_promotion.subject
promotion.content = edit_promotion.content
promotion.description = edit_promotion.description
promotion.put()
# return render_to_response('manage/edit_promotion.html', {'form':form, 'promotion_id':promotion_id, 'success_msg':u'成功修改'}, context_instance=RequestContext(request))
return HttpResponseRedirect("/manage/promotion/")
else:
form = PromotionEditForm(instance=promotion)
return render_to_response(
"manage/edit_promotion.html",
{"form": form, "promotion_id": promotion_id},
context_instance=RequestContext(request),
)
def delete_promotion(request, promotion_id):
if not promotion_id:
return HttpResponseRedirect("/")
try:
promotion_id = int(promotion_id)
except ValueError:
raise Http404
promotion = Promotion.get_by_id(promotion_id)
if not promotion:
raise Http404
promotion.delete()
return HttpResponseRedirect("/manage/promotion/")
def add_promotion(request):
if request.method == "POST":
form = PromotionForm(request.POST)
if form.is_valid():
promotion = form.save(commit=False)
check_data = Promotion.all().filter("subject =", promotion.subject).get()
if check_data:
return render_to_response(
"manage/add_promotion.html",
{"form": form, "error_msg": u"重复添加：%s" % promotion.subject},
context_instance=RequestContext(request),
)
promotion.put()
return render_to_response(
"manage/add_promotion.html",
{"form": form, "success_msg": u"成功添加：%s" % promotion.subject},
context_instance=RequestContext(request),
)
else:
form = PromotionForm()
return render_to_response("manage/add_promotion.html", {"form": form}, context_instance=RequestContext(request))
def get_cached_promotion_data(promotion_subject, time=6000):
"""
使用规则的名称获得缓存的数据list。
TODO 应该做类型检查！
"""
cached_data = memcache.get(promotion_subject)
if not cached_data:
promotion = Promotion.all().filter('subject', promotion_subject)
cached_data_ids = []
for item in promotion:
cached_data_string_ids_str = item.content.split(',')
for id_str in cached_data_string_ids_str:
try:
id = int(id_str)
except Exception:
continue
if id > 0:
cached_data_ids.append(id)
temp_cached_data = Content.get_by_id(cached_data_ids)
cached_data = [data for data in temp_cached_data if data is not None]
memcache.set(promotion_subject, cached_data, time)
return cached_data
def promotion(request):
promotion_set = Promotion.all().order("subject")
return render_to_response(
"manage/promotion.html", {"promotion_set": promotion_set}, context_instance=RequestContext(request)
)
