# encoding: utf-8
from django.contrib import auth
from django.contrib.auth.forms import UserCreationForm
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import render_to_response, render
from django.template import RequestContext
from django.views.generic.base import View, TemplateView
def math(request, a, b):
a = int(a)
b = int(b)
s = a + b
d = a - b
p = a * b
q = a / b
return render_to_response('math.html', {'s': s, 'd': d, 'p': p, 'q': q})
def welcome(request):
"""simple welcome page to demo query string
:request: user request
:returns: http response with username or origin welcome page
"""
if 'user_name' in request.GET and request.GET['user_name'] != '':
return HttpResponse('Welcome!~'+request.GET['user_name'])
else:
return render_to_response('welcome.html', locals())
def login(request):
"""user login webpage
:request: client request
:returns: index page if success, login page if fail
"""
if request.user.is_authenticated():
return HttpResponseRedirect('/index/')
username = request.POST.get('username', '')
password = request.POST.get('password', '')
user = auth.authenticate(username=username, password=password)
if user is not None and user.is_active:
auth.login(request, user)
return HttpResponseRedirect('/index/')
else:
return render_to_response('login.html', RequestContext(request, locals()))
def logout(request):
"""logout view
:request: client request
:returns: index webpage
"""
auth.logout(request)
return HttpResponseRedirect('/index/')
def register(request):
"""new user register page
:request: client request
:returns: redirect to login page if success else register page
"""
if request.method == 'POST':
form = UserCreationForm(request.POST)
if form.is_valid():
user = form.save()
return HttpResponseRedirect('/accounts/login/')
else:
form = UserCreationForm()
return render(request, 'register.html', locals())
class HereView(View):
"""first class view
"""
def get(self, request):
"""process http GET
:request: request
:returns: response
"""
return HttpResponse('媽，我在這!')
class IndexView(TemplateView):
"""rewrite index view with class-based view"""
template_name = 'index.html'
