url
from django.contrib import admin
from django.urls import path, re_path
from django.urls import include
urlpatterns = [
re_path(r'^admin/', admin.site.urls),
re_path('^api/(?P<version>[v1|v2]\w+)/', include('app01.urls')),
]
from django.urls import path, re_path
from django.urls import include
from app01.views import account, coursehost, newspapers, shoppingcar
urlpatterns = [
re_path('login/$', account.LoginView.as_view()),
re_path('course/$', coursehost.CourseView.as_view({"get": "list"})),
re_path('course/(?P<pk>\d+)/$', coursehost.CourseView.as_view({"get": "retrieve"})),
re_path(r'coursecategory/$', coursehost.CourseCategoryView.as_view({'get': 'list'})),
re_path(r'shoppingcar/$', shoppingcar.ShoppingCarViewSet.as_view()),
]
视图：
"""
* coding: utf-8
CreateTime：2019/12/20
Version: v1
DocName: shoppingcar.py
Edit: Riven
Effect: shoppingcar data
SourceStorageLocation: RivenShop / app01 / views / Shoppingcar.py
Modify and add function record:
ModifyTime:
1.
2.
Add function Time :
1.
2.
"""
from app01 import models
from utils.response import TokenAuth
from utils.response import BaseResponse
from utils.exception import PricePolicyIncalid
from rivenshop import settings
import json
from rest_framework.views import APIView
from rest_framework.response import Response
from django_redis import get_redis_connection
from django.core.exceptions import ObjectDoesNotExist
class ShoppingCarViewSet(APIView):
authentication_classes = [TokenAuth, ]
conn = get_redis_connection('default')
def post(self, request, *args, **kwargs):
"""
add course the ShoppingCar
:param request:
:param args:
:param kwargs:
:return:
"""
ret = BaseResponse()
try:
# 1. acquire user submit Course ID with PriceTactics ID
course_id = int(request.data.get('courseid'))
policy_id = int(request.data.get('policyid'))
# 2. acquire course ID
course = models.Course.objects.get(id=course_id)
# 3.acquire course all PriceTactics
price_policy_list = course.price_policy.all()
price_policy_dict = {}
for item in price_policy_list:
price_policy_dict[item.id] = {
"period": item.valid_period,
"period_display": item.get_valid_period_display(),
"price": item.price,
}
print(price_policy_dict)
# 4. estimate submit data whether legitimate
if policy_id not in price_policy_dict:
# return error PriceTactics illegal
raise PricePolicyIncalid("价格策略不合法")
# 5.ShoppingCar msg add redis
car_key = settings.SHOPPING_CAR_KEY % (request.auth.user_id, course_id)
car_dict = {
"titile": course.name,
"img": course.course_img,
"default_policy": policy_id,
"policy": json.dumps(price_policy_dict)
}
self.conn.hmset(car_key, car_dict)
ret.data = "添加成功"
except PricePolicyIncalid as e:
ret.code = 2001
ret.error = e.msg
except ObjectDoesNotExist as e:
ret.code = 2001
ret.error = "课程不存在"
except Exception as e:
ret.code = 1001
ret.error = "获取购物车失败"
return Response(ret.dict)
def delete(self, request, *args, **kwargs):
"""
Delete ShoppingCar course
:param request:
:param args:
:param kwargs:
:return:
"""
ret = BaseResponse()
try:
course_id_list = request.data.get("courseids")
key_list = [settings.SHOPPING_CAR_KEY % (request.auth.user_id, course_id,) for course_id in course_id_list]
self.conn.delete(*key_list)
except Exception as e:
ret.code = 1002
ret.error = "删除失败"
return Response(ret.dict)
def patch(self, request, *args, **kwargs):
"""
Modification PriceTactics for course
:param request:
:param args:
:param kwargs:
:return:
"""
ret = BaseResponse()
try:
# 1.acquire PriceTactics ID with course ID
course_id = int(request.data.get("courseid"))
policy_id = str(request.data.get("policyid"))
# 2.joint the course key
key = settings.SHOPPING_CAR_KEY % (request.auth.user_id, course_id,)
if not self.conn.exists(key):
ret.code = 1002
ret.error = "购物车中不存在此课程"
return Response(ret.dict)
# 3. Acquire PriceTactics data all for redis
policy_dict = json.loads(str(self.conn.hget(key, "policy"), encoding='utf-8'))
if policy_id not in policy_dict:
ret.code = 1003
ret.error = "价格策略不合法"
return Response(ret.dict)
print(key)
# 4.Modification ShoppingCar Course PriceTactics
self.conn.hset(key, 'default_policy', policy_id)
ret.data = "修改成功"
print(456464165)
except Exception as e:
ret.code = 1004
ret.error = "修改失败"
return Response(ret.dict)
def get(self, request, *args, **kwargs):
"""
see ShoppingCar all data
:param request:
:param args:
:param kwargs:
:return:
"""
ret = BaseResponse()
try:
key_match = settings.SHOPPING_CAR_KEY % (request.auth.user_id, "*")
course_list = []
for key in self.conn.scan_iter(key_match, count=10):
print(key)
info = {
"title": self.conn.hget(key, 'titile').decode('utf-8'),
"img": self.conn.hget(key, 'img').decode('utf-8'),
"policy": json.loads(self.conn.hget(key, 'policy').decode('utf-8')),
"default_policy": self.conn.hget(key, 'default_policy').decode('utf-8')
}
course_list.append(info)
ret.data = course_list
except Exception as e:
ret.code = 1002
ret.error = "获取失败"
return Response(ret.dict)
Django 购物车模板的相关教程结束。
