Python之路,Day15 - Django适当进阶篇

本节内容

学员管理系统练习

Django ORM操作进阶

用户认证

 

 

 

 

Django练习小项目：学员管理系统设计开发

带着项目需求学习是最有趣和效率最高的，今天就来基于下面的需求来继续学习Django 

项目需求：

1.分讲师\学员\课程顾问角色,
2.学员可以属于多个班级,学员成绩按课程分别统计
3.每个班级至少包含一个或多个讲师
4.一个学员要有状态转化的过程 ,比如未报名前,报名后,毕业老学员
5.客户要有咨询纪录, 后续的定期跟踪纪录也要保存
6.每个学员的所有上课出勤情况\学习成绩都要保存
7.学校可以有分校区,默认每个校区的员工只能查看和管理自己校区的学员
8.客户咨询要区分来源

#_*_coding:utf-8_*_
from django.db import models

# Create your models here.
from django.core.exceptions import ValidationError

from django.db import models
from django.contrib.auth.models import User

class_type_choices= (('online',u'网络班'),
                     ('offline_weekend',u'面授班(周末)',),
                     ('offline_fulltime',u'面授班(脱产)',),
                     )
class UserProfile(models.Model):
    user = models.OneToOneField(User)
    name = models.CharField(u"姓名",max_length=32)
    def __unicode__(self):
        return self.name


class School(models.Model):
    name = models.CharField(u"校区名称",max_length=64,unique=True)
    addr = models.CharField(u"地址",max_length=128)
    staffs = models.ManyToManyField('UserProfile',blank=True)
    def __unicode__(self):
        return self.name


class Course(models.Model):
    name = models.CharField(u"课程名称",max_length=128,unique=True)
    price = models.IntegerField(u"面授价格")
    online_price = models.IntegerField(u"网络班价格")
    brief = models.TextField(u"课程简介")
    def __unicode__(self):
        return self.name


class ClassList(models.Model):
    course = models.ForeignKey('Course')
    course_type = models.CharField(u"课程类型",choices=class_type_choices,max_length=32)
    semester = models.IntegerField(u"学期")
    start_date = models.DateField(u"开班日期")
    graduate_date = models.DateField(u"结业日期",blank=True,null=True)
    teachers = models.ManyToManyField(UserProfile,verbose_name=u"讲师")


    #def __unicode__(self):
    #    return "%s(%s)" %(self.course.name,self.course_type)

    class Meta:
        verbose_name = u'班级列表'
        verbose_name_plural = u"班级列表"
        unique_together = ("course","course_type","semester")


class Customer(models.Model):
    qq = models.CharField(u"QQ号",max_length=64,unique=True)
    name = models.CharField(u"姓名",max_length=32,blank=True,null=True)
    phone = models.BigIntegerField(u'手机号',blank=True,null=True)
    stu_id = models.CharField(u"学号",blank=True,null=True,max_length=64)
    #id = models.CharField(u"身份证号",blank=True,null=True,max_length=128)
    source_type = (('qq',u"qq群"),
                   ('referral',u"内部转介绍"),
                   ('51cto',u"51cto"),
                   ('agent',u"招生代理"),
                   ('others',u"其它"),
                   )
    source = models.CharField(u'客户来源',max_length=64, choices=source_type,default='qq')
    referral_from = models.ForeignKey('self',verbose_name=u"转介绍自学员",help_text=u"若此客户是转介绍自内部学员,请在此处选择内部学员姓名",blank=True,null=True,related_name="internal_referral")

    course = models.ForeignKey(Course,verbose_name=u"咨询课程")
    class_type = models.CharField(u"班级类型",max_length=64,choices=class_type_choices)
    customer_note = models.TextField(u"客户咨询内容详情",help_text=u"客户咨询的大概情况,客户个人信息备注等...")
    status_choices = (('signed',u"已报名"),
                      ('unregistered',u"未报名"),
                      ('graduated',u"已毕业"),
                      )

    status = models.CharField(u"状态",choices=status_choices,max_length=64,default=u"unregistered",help_text=u"选择客户此时的状态")
    consultant = models.ForeignKey(UserProfile,verbose_name=u"课程顾问")
    date = models.DateField(u"咨询日期",auto_now_add=True)

    class_list = models.ManyToManyField('ClassList',verbose_name=u"已报班级",blank=True)

    def __unicode__(self):
        return "%s,%s" %(self.qq,self.name )



class ConsultRecord(models.Model):
    customer = models.ForeignKey(Customer,verbose_name=u"所咨询客户")
    note = models.TextField(u"跟进内容...")
    status_choices = ((1,u"近期无报名计划"),
                      (2,u"2个月内报名"),
                      (3,u"1个月内报名"),
                      (4,u"2周内报名"),
                      (5,u"1周内报名"),
                      (6,u"2天内报名"),
                      (7,u"已报名"),
                      )
    status = models.IntegerField(u"状态",choices=status_choices,help_text=u"选择客户此时的状态")

    consultant = models.ForeignKey(UserProfile,verbose_name=u"跟踪人")
    date = models.DateField(u"跟进日期",auto_now_add=True)

    def __unicode__(self):
        return u"%s, %s" %(self.customer,self.status)

    class Meta:
        verbose_name = u'客户咨询跟进记录'
        verbose_name_plural = u"客户咨询跟进记录"



class CourseRecord(models.Model):
    course = models.ForeignKey(ClassList,verbose_name=u"班级(课程)")
    day_num = models.IntegerField(u"节次",help_text=u"此处填写第几节课或第几天课程...,必须为数字")
    date = models.DateField(auto_now_add=True,verbose_name=u"上课日期")
    teacher = models.ForeignKey(UserProfile,verbose_name=u"讲师")
    def __unicode__(self):
        return u"%s 第%s天" %(self.course,self.day_num)
    class Meta:
        verbose_name = u'上课纪录'
        verbose_name_plural = u"上课纪录"
        unique_together = ('course','day_num')


class StudyRecord(models.Model):
    course_record = models.ForeignKey(CourseRecord, verbose_name=u"第几天课程")
    student = models.ForeignKey(Customer,verbose_name=u"学员")
    record_choices = (('checked', u"已签到"),
                      ('late',u"迟到"),
                      ('noshow',u"缺勤"),
                      ('leave_early',u"早退"),
                      )
    record = models.CharField(u"上课纪录",choices=record_choices,default="checked",max_length=64)
    score_choices = ((100, 'A+'),
                     (90,'A'),
                     (85,'B+'),
                     (80,'B'),
                     (70,'B-'),
                     (60,'C+'),
                     (50,'C'),
                     (40,'C-'),
                     (0,'D'),
                     (-1,'N/A'),
                     (-100,'COPY'),
                     (-1000,'FAIL'),
                     )
    score = models.IntegerField(u"本节成绩",choices=score_choices,default=-1)
    date = models.DateTimeField(auto_now_add=True)
    note = models.CharField(u"备注",max_length=255,blank=True,null=True)

    def __unicode__(self):
        return u"%s,学员:%s,纪录:%s, 成绩:%s" %(self.course_record,self.student.name,self.record,self.get_score_display())

    class Meta:
        verbose_name = u'学员学习纪录'
        verbose_name_plural = u"学员学习纪录"
        unique_together = ('course_record','student')

学员管理系统表结构