def get(self, request):
'''
添加商品评论
:param request:
:return:
'''
ret = {}
commodity_id = request.GET['id']
auth_cookie = WechatUtils.checkMemberLogin(request)
score = request.GET['score']
content = request.GET['content']
member_id = auth_cookie.id
Comment.objects.create(content=content,
joined_date=datetime.datetime.now(),
commodity_id=commodity_id,
member_id=auth_cookie.id)
Transaction.objects.filter(
Q(member_id=member_id)
& Q(commodity_id=commodity_id)).update(rating=score)
ret['msg'] = "评论成功"
return HttpResponse(json.dumps(ret), content_type='application/json')
def post(self, request):
'''
:param request: 小程序的请求
:return: 返回成功信息
'''
ret = {}
auth_cookie = WechatUtils.checkMemberLogin(request)
member_id = auth_cookie.id
now = datetime.datetime.now() # 现在的时间
last_behave = Credit.objects.filter(Q(userid_id=member_id) & Q(behave=2))
if last_behave:
last_share_date = last_behave.last().createtime # 上次分享的时间
if now.strftime('%Y-%m-%d') != last_share_date.strftime('%Y-%m-%d'):
ret['first_time_share'] = '恭喜你，今天首次分享获得3积分'
Credit.objects.create(
behave=2,
creditpoints=3,
credittype=0,
createtime=datetime.datetime.now(),
userid_id=member_id
)
else:
Credit.objects.create(
behave=2,
creditpoints=3,
credittype=0,
createtime=datetime.datetime.now(),
userid_id=member_id
)
return HttpResponse(json.dumps(ret), content_type='application/json')
def post(self, request):
ret = {}
commodity_ids = request.POST['goods'].split(',')
print("goods", request.POST['goods'])
print("goods", type(commodity_ids))
auth_cookie = WechatUtils.checkMemberLogin(request)
member_id = auth_cookie.id
for commodity_id in commodity_ids:
Cart.objects.filter(
Q(commodity_id=commodity_id)
& Q(member_id=member_id)).delete()
return HttpResponse(ret, content_type='application/json')
def get(self, request):
ret = {}
fields = ['id', 'imUrl', 'title', 'present_price']
auth_cookie = WechatUtils.checkMemberLogin(request)
member_id = auth_cookie.id
cart_list = Cart.objects.filter(member_id=member_id)
commodity_list = []
for cart in cart_list:
commodity = Commodity.objects.filter(id=cart.commodity_id).values(
*fields).first()
commodity_list.append(commodity)
ret = json.dumps(dict(data=commodity_list), cls=DjangoJSONEncoder)
return HttpResponse(ret, content_type='application/json')
def get(self, request):
ret = {}
commodity_id = request.GET['id']
auth_cookie = WechatUtils.checkMemberLogin(request)
member_id = auth_cookie.id
cart_list = Cart.objects.filter(
Q(member_id=member_id) & Q(commodity_id=commodity_id))
if cart_list:
ret['msg'] = "已经加入收藏"
else:
Cart.objects.create(member_id=member_id, commodity_id=commodity_id)
ret['msg'] = "加入收藏成功"
return HttpResponse(json.dumps(ret), content_type='application/json')
def get(self, request):
p = int(request.GET['p'])
user = WechatUtils.checkMemberLogin(request)
user_id = user.id
recommendations = Users_AllRecommendations.objects.filter(
user_id=user_id)
'''
※※※这里有个关键问题，由于后端算法和数据库的链接原因，这边得到的Commodityidlist实际上是String类型(只是看起来像list)，不能直接转
成List使用，所以需要使用split方法把它切分成list。
'''
commodityidlist = recommendations[0].products_id
commodityidlist = commodityidlist.split(',')
commoditylist = []
page_size = 10 #每页显示的商品数量
'''
前端会返回一个值，p：当前页数，以下代码判断该次Get行为是否会超出列表长度。
每次只查找page_size个值，性能优秀Perfect。
'''
have_been_showed_commodityid = p * page_size
if (have_been_showed_commodityid + page_size > len(commodityidlist)):
has_more = False
for i in range(have_been_showed_commodityid,
len(commodityidlist) -
have_been_showed_commodityid):
item_id = commodityidlist[i]
commodity = Commodity.objects.filter(
id=item_id.lstrip()).values().first()
commoditylist.append(commodity)
else:
has_more = True
for i in range(have_been_showed_commodityid,
have_been_showed_commodityid + page_size):
item_id = commodityidlist[i]
commodity = Commodity.objects.filter(
id=item_id.lstrip()).values().first()
commoditylist.append(commodity)
ret = dict(data=commoditylist)
ret["has_more"] = has_more
ret = json.dumps(ret, cls=DjangoJSONEncoder)
return HttpResponse(ret, content_type='application/json')
def get(self, request):
user = WechatUtils.checkMemberLogin(request)
user_id = user.id
recommendations = Users_Recommendations.objects.filter(user_id=user_id)
commodityidlist = []
for i in recommendations:
commodityidlist.append([
i.product_id_1, i.product_id_2, i.product_id_3, i.product_id_4,
i.product_id_5
])
commoditylist = []
for item_id in commodityidlist[0]:
commodity = Commodity.objects.filter(id=item_id).values().first()
commoditylist.append(commodity)
ret = dict(data=commoditylist)
ret = json.dumps(ret, cls=DjangoJSONEncoder)
return HttpResponse(ret, content_type='application/json')
def get(self, request):
ret = {}
ua = request.META.get("HTTP_AUTHORIZATION")
print("ua:", ua)
auth_cookie = WechatUtils.checkMemberLogin(request)
print('auth_cookie:', auth_cookie)
ret['id'] = auth_cookie.id
ret['openid'] = auth_cookie.openid
ret['pic_name'] = auth_cookie.pic_name
ret['nickname'] = auth_cookie.nickname
ret['gender'] = auth_cookie.gender
ret['city'] = auth_cookie.city
ret['province'] = auth_cookie.province
# ret['last_login_date'] = auth_cookie.last_login_date 不能json化
ret['avatarUrl'] = auth_cookie.avatarUrl
ret['codeVerify'] = auth_cookie.codeVerify
ret['type'] = auth_cookie.type
return HttpResponse(json.dumps(ret), content_type='application/json')
def get(self, request):
print("进入方法")
user = WechatUtils.checkMemberLogin(request)
user_id = user.id
boughtitems = Transaction.objects.filter(member_id=user_id)
boughtitemkindlist = []
boughtitemdict = {
'Baby': 0,
'Beauty': 0,
'Grocery_and_Gourmet_Food': 0,
'Electronics': 0,
'Office_Products': 0,
'Pet_Supplies': 0,
'Sports_and_Outdoors': 0,
'Home_and_Kitchen': 0,
}
commoditylist = []
sum_of_boughtitem = len(boughtitems)
for boughtitem in boughtitems:
boughtitemkindlist.append(
boughtitem.commodity.categories.type_name)
boughtitemdict[boughtitem.commodity.categories.type_name] += 1
'''
该用户若是购买了两件以上或者25%以上某种类商品，则给他推送该种类下随机五件商品，注意，Order_by方法损耗较大
但还是最优随机选择方法。
'''
for type in boughtitemdict:
if (boughtitemdict[type] >= 2
or boughtitemdict[type] / sum_of_boughtitem >= 0.25):
recommendations = Commodity.objects.filter(
categories__type_name=type).order_by('?')[:5].values()
commoditylist += recommendations
random.shuffle(commoditylist)
ret = dict(data=commoditylist)
ret = json.dumps(ret, cls=DjangoJSONEncoder)
return HttpResponse(ret, content_type='application/json')
def get(self, request):
"""
获取会员基本信息，并返回小程序端
:param request:
:return:
"""
ret = {}
auth_cookie = WechatUtils.checkMemberLogin(request)
ret['id'] = auth_cookie.id
ret['openid'] = auth_cookie.openid
ret['pic_name'] = auth_cookie.pic_name
ret['nickname'] = auth_cookie.nickname
ret['gender'] = auth_cookie.gender
ret['city'] = auth_cookie.city
ret['province'] = auth_cookie.province
# ret['last_login_date'] = auth_cookie.last_login_date 不能json化
ret['avatarUrl'] = auth_cookie.avatarUrl
ret['codeVerify'] = auth_cookie.codeVerify
ret['type'] = auth_cookie.type
return HttpResponse(json.dumps(ret), content_type='application/json')
