在线教育平台，邮件激活（9）

# users/views.py

from django.shortcuts import render
from django.contrib.auth import authenticate,login

from django.contrib.auth.backends import ModelBackend
from .models import UserProfile,EmailVerifyRecord
from django.db.models import Q
from django.views.generic.base import View
from .forms import LoginForm,RegisterForm
from django.contrib.auth.hashers import make_password
from utils.email_send import send_register_eamil

#邮箱和用户名都可以登录
# 基础ModelBackend类，因为它有authenticate方法
class CustomBackend(ModelBackend):
    def authenticate(self, request, username=None, password=None, **kwargs):
        try:
            # 不希望用户存在两个，get只能有一个。两个是get失败的一种原因 Q为使用并集查询
            user = UserProfile.objects.get(Q(username=username)|Q(email=username))

            # django的后台中密码加密：所以不能password==password
            # UserProfile继承的AbstractUser中有def check_password(self, raw_password):
            if user.check_password(password):
                return user
        except Exception as e:
            return None


class LoginView(View):
    ‘‘‘用户登录‘‘‘

    def get(self,request):
        return render(request, ‘login.html‘)

    def post(self,request):
        # 实例化
        login_form = LoginForm(request.POST)
        if login_form.is_valid():
            # 获取用户提交的用户名和密码
            user_name = request.POST.get(‘username‘, None)
            pass_word = request.POST.get(‘password‘, None)
            # 成功返回user对象,失败None
            user = authenticate(username=user_name, password=pass_word)
            # 如果不是null说明验证成功
            if user is not None:
                if user.is_active:
                    # 只有注册激活才能登录
                    login(request, user)
                    return render(request, ‘index.html‘)
                else:
                    return render(request, ‘login.html‘, {‘msg‘: ‘用户名或密码错误‘, ‘login_form‘: login_form})
            # 只有当用户名或密码不存在时，才返回错误信息到前端
            else:
                return render(request, ‘login.html‘, {‘msg‘: ‘用户名或密码错误‘,‘login_form‘:login_form})

        # form.is_valid（）已经判断不合法了，所以这里不需要再返回错误信息到前端了
        else:
            return render(request,‘login.html‘,{‘login_form‘:login_form})


# 激活用户的view
class ActiveUserView(View):
    def get(self, request, active_code):
        # 查询邮箱验证记录是否存在
        all_record = EmailVerifyRecord.objects.filter(code = active_code)

        if all_record:
            for record in all_record:
                # 获取到对应的邮箱
                email = record.email
                # 查找到邮箱对应的user
                user = UserProfile.objects.get(email=email)
                user.is_active = True
                user.save()
                # 激活成功跳转到登录页面
                return render(request, "login.html", )
        # 自己瞎输的验证码
        else:
            return render(request, "register.html", {"msg": "您的激活链接无效"})


class RegisterView(View):
    ‘‘‘用户注册‘‘‘
    def get(self,request):
        register_form = RegisterForm()
        return render(request,‘register.html‘,{‘register_form‘:register_form})

    def post(self,request):
        register_form = RegisterForm(request.POST)
        if register_form.is_valid():

            user_name = request.POST.get(‘email‘, None)
            pass_word = request.POST.get(‘password‘, None)

            # 实例化一个user_profile对象
            user_profile = UserProfile()
            user_profile.username = user_name
            user_profile.email = user_name
            user_profile.is_active = False
            # 对保存到数据库的密码加密
            user_profile.password = make_password(pass_word)
            user_profile.save()
            send_register_eamil(user_name,‘register‘)
            return render(request,‘login.html‘)
        else:
            return render(request,‘register.html‘,{‘register_form‘:register_form})

views.py

<form id="email_register_form" method="post" action="{% url ‘register‘ %}" autocomplete="off">
                        <input type=‘hidden‘ name=‘csrfmiddlewaretoken‘ value=‘gTZljXgnpvxn0fKZ1XkWrM1PrCGSjiCZ‘ />
                        <div class="form-group marb20 {% if login_form.errors.email %}errorput{% endif %}">
                            <label>邮&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;箱</label>
                            <input  type="text" id="id_email" name="email" value="{{ register_form.email.value }}" placeholder="请输入您的邮箱地址" />
                        </div>
                        <div class="form-group marb8 {% if login_form.errors.password %}errorput{% endif %}">
                            <label>密&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;码</label>
                            <input type="password" id="id_password" name="password"  value="{{ register_form.password.value }}" placeholder="请输入6-20位非中文字符密码" />
                        </div>
                        <div class="form-group marb8 captcha1 {% if login_form.errors.captchal %}errorput{% endif %}">
                            <label>验&nbsp;证&nbsp;码</label>
                            {{ register_form.captcha }}
                        </div>
                        <div class="error btns" id="jsEmailTips">
                            {% for key,error in register_form.errors.items %}
                                {{ error }}
                            {% endfor %}
                            {{ msg }}
                        </div>
                        <div class="auto-box marb8">
                        </div>
                        <input class="btn btn-green" id="jsEmailRegBtn" type="submit" value="注册并登录" />
                    <input type=‘hidden‘ name=‘csrfmiddlewaretoken‘ value=‘5I2SlleZJOMUX9QbwYLUIAOshdrdpRcy‘ />
                    {% csrf_token %}
                    </form>