from django.conf.urls import patterns, url,include
from django.contrib import admin
from apps import views

urlpatterns = patterns(‘‘,
url(r‘^regist/$‘,views.regist,name = ‘regist‘),
url(r‘^login/$‘,views.login,name = ‘login‘),
url(r‘^index/$‘,views.index,name = ‘index‘),
url(r‘^logout/$‘,views.logout,name = ‘logout‘),

)

# -*- coding: utf-8 -*-
from django.shortcuts import render

# Create your views here.
#coding=utf-8
from django.shortcuts import render,render_to_response
from django.http import HttpResponse,HttpResponseRedirect
from django.template import RequestContext
from django import forms
from apps.models import  User
from pymongo import MongoClient
from django.views.decorators.csrf import csrf_protect, csrf_exempt
 
mongo_client = MongoClient(‘192.168.86.126‘, 27017)

#表单
class UserForm(forms.Form):
    username = forms.CharField(label=u‘用户名‘,max_length=100)
    password = forms.CharField(label=u‘密  码‘,widget=forms.PasswordInput())


#注册
# @csrf_protect 
def regist(req):
    if req.method == ‘POST‘:
        uf = UserForm(req.POST)
        if uf.is_valid():
            #获得表单数据
            username = uf.cleaned_data[‘username‘]
            password = uf.cleaned_data[‘password‘]
            #添加到数据库
            User.objects.create(username= username,password=password)
            return HttpResponse(‘regist success!!‘)
    else:
        uf = UserForm()
    return render_to_response(‘regist.html‘,{‘uf‘:uf}, context_instance=RequestContext(req))

#登陆
# @csrf_protect 
def login(req):
    username = req.COOKIES.get(‘username‘,‘‘) 
    if req.method == ‘POST‘:
        uf = UserForm(req.POST)
        if uf.is_valid():
            #获取表单用户密码
            username = uf.cleaned_data[‘username‘]
            password = uf.cleaned_data[‘password‘]
            #获取的表单数据与数据库进行比较
            user = User.objects.filter(username__exact = username,password__exact = password) 
            if user:
                #比较成功，跳转index
                response = HttpResponseRedirect(‘/apps/index/‘) 
                #将username写入浏览器cookie,失效时间为3600
                response.set_cookie(‘username‘,username,3600)
                return response
            else:
                #比较失败，还在login
                return HttpResponseRedirect(‘/apps/login/‘)
    else: 
        uf = UserForm()
    return render_to_response(‘login.html‘,{‘uf‘:uf}, context_instance=RequestContext(req) )

#登陆成功
# @csrf_protect 
def index(req): 
    username = req.COOKIES.get(‘username‘,‘‘) 
    if username:
        key_words_coll = mongo_client[‘yidong_zixun‘][‘key_words‘]
        categorys = {} 
        tasks = {}
        results = key_words_coll.find().batch_size(30)
        for result in results:
            category_id = result["category_id"]
            category_name = result["category_name"]
            _id = result["_id"]
            name = result["name"]
            if not categorys.has_key(category_id): 
                categorys[category_id] = category_name 
            if not tasks.has_key(category_id):
                tasks[category_id] = []
                tasks[category_id].append({"task_id":_id,"name":name})
            else:
                tasks[category_id].append({"task_id":_id,"name":name}) 
        return render_to_response(‘index.html‘ ,{‘username‘:username,‘categorys‘:categorys,"tasks":tasks}, context_instance=RequestContext(req))
    else:
        return HttpResponseRedirect(‘/apps/login/‘)  
#退出
# @csrf_protect
def logout(req):
    # response = HttpResponse(‘logout !!‘) 
    response = HttpResponseRedirect(‘/apps/login/‘) 
    response.delete_cookie(‘username‘) 
    return response