使用choices參數的實際項目表設計

# 實際項目表設計
from django.db import models
# Create your models here.
# rbac權限相關表格
class User(models.Model):
    name = models.CharField(max_length=32)
    pwd = models.CharField(max_length=32)
    roles = models.ManyToManyField(to='Role')

    def __str__(self):
        return self.name


class Role(models.Model):
    title = models.CharField(max_length=32)
    permissions = models.ManyToManyField(to='Permission')

    def __str__(self):
        return self.title


class Permission(models.Model):
    title = models.CharField(max_length=32)
    url = models.CharField(max_length=32)
    code = models.CharField(max_length=32,default='list')

    def __str__(self):
        return self.title


# CRM相關內部表
class School(models.Model):
    """
    校區表
    如：
        北京沙河校區
        上海校區

    """
    title = models.CharField(verbose_name='校區名稱', max_length=32)

    def __str__(self):
        return self.title


class Course(models.Model):
    """
    課程表
    如：
        Linux基礎
        Linux架構師
        Python自動化開發精英班
        Python自動化開發架構師班
        Python基礎班
        go基礎班
    """
    name = models.CharField(verbose_name='課程名稱', max_length=32)

    def __str__(self):
        return self.name


class Department(models.Model):
    """
    部門表
    市場部     1000
    銷售       1001

    """
    title = models.CharField(verbose_name='部門名稱', max_length=16)
    code = models.IntegerField(verbose_name='部門編號', unique=True, null=False)

    def __str__(self):
        return self.title


class UserInfo(models.Model):
    """
    員工表
    """
    name = models.CharField(verbose_name='員工姓名', max_length=16)
    email = models.EmailField(verbose_name='郵箱', max_length=64)
    depart = models.ForeignKey(verbose_name='部門', to="Department",to_field="code")
    user=models.OneToOneField("User",default=1)
    def __str__(self):
        return self.name


class ClassList(models.Model):
    """
    班級表
    如：
        Python全棧  面授班  5期  10000  2017-11-11  2018-5-11
    """
    school = models.ForeignKey(verbose_name='校區', to='School')
    course = models.ForeignKey(verbose_name='課程名稱', to='Course')
    semester = models.IntegerField(verbose_name="班級(期)")
    price = models.IntegerField(verbose_name="學費")
    start_date = models.DateField(verbose_name="開班日期")
    graduate_date = models.DateField(verbose_name="結業日期", null=True, blank=True)
    memo = models.CharField(verbose_name='說明', max_length=256, blank=True, null=True, )
    teachers = models.ManyToManyField(verbose_name='任課老師', to='UserInfo',limit_choices_to={'depart':1002})
    tutor = models.ForeignKey(verbose_name='班主任', to='UserInfo',related_name="class_list",limit_choices_to={'depart':1006})

    def __str__(self):
        return "{0}({1}期)".format(self.course.name, self.semester)


class Customer(models.Model):
    """
    客戶表
    """
    qq = models.CharField(verbose_name='qq', max_length=64, unique=True, help_text='QQ號必須惟一')
    name = models.CharField(verbose_name='學生姓名', max_length=16)
    gender_choices = ((1, '男'), (2, '女'))
    gender = models.SmallIntegerField(verbose_name='性別', choices=gender_choices)

    education_choices = (
        (1, '重點大學'),
        (2, '普通本科'),
        (3, '獨立院校'),
        (4, '民辦本科'),
        (5, '大專'),
        (6, '民辦專科'),
        (7, '高中'),
        (8, '其餘')
    )
    education = models.IntegerField(verbose_name='學歷', choices=education_choices, blank=True, null=True, )
    graduation_school = models.CharField(verbose_name='畢業學校', max_length=64, blank=True, null=True)
    major = models.CharField(verbose_name='所學專業', max_length=64, blank=True, null=True)
    experience_choices = [
        (1, '在校生'),
        (2, '應屆畢業'),
        (3, '半年之內'),
        (4, '半年至一年'),
        (5, '一年至三年'),
        (6, '三年至五年'),
        (7, '五年以上'),
    ]
    experience = models.IntegerField(verbose_name='工做經驗', blank=True, null=True, choices=experience_choices)
    work_status_choices = [
        (1, '在職'),
        (2, '無業')
    ]
    work_status = models.IntegerField(verbose_name="職業狀態", choices=work_status_choices, default=1, blank=True,
                                      null=True)
    company = models.CharField(verbose_name="目前就任公司", max_length=64, blank=True, null=True)
    salary = models.CharField(verbose_name="當前薪資", max_length=64, blank=True, null=True)
    source_choices = [
        (1, "qq羣"),
        (2, "內部轉介紹"),
        (3, "官方網站"),
        (4, "百度推廣"),
        (5, "360推廣"),
        (6, "搜狗推廣"),
        (7, "騰訊課堂"),
        (8, "廣點通"),
        (9, "高校宣講"),
        (10, "渠道代理"),
        (11, "51cto"),
        (12, "智匯推"),
        (13, "網盟"),
        (14, "DSP"),
        (15, "SEO"),
        (16, "其它"),
    ]
    source = models.SmallIntegerField('客戶來源', choices=source_choices, default=1)
    referral_from = models.ForeignKey(
        'self',
        blank=True,
        null=True,
        verbose_name="轉介紹自學員",
        help_text="若此客戶是轉介紹自內部學員,請在此處選擇內部學員姓名",
        related_name="internal_referral"
    )
    course = models.ManyToManyField(verbose_name="諮詢課程", to="Course")
    status_choices = [
        (1, "已報名"),
        (2, "未報名")
    ]
    status = models.IntegerField(
        verbose_name="狀態",
        choices=status_choices,
        default=2,
        help_text=u"選擇客戶此時的狀態"
    )
    consultant = models.ForeignKey(verbose_name="課程顧問", to='UserInfo', related_name='consultanter',limit_choices_to={'depart':1001})
    date = models.DateField(verbose_name="諮詢日期", auto_now_add=True)
    recv_date = models.DateField(verbose_name="當前課程顧問的接單日期", null=True)
    last_consult_date = models.DateField(verbose_name="最後跟進日期", )

    def __str__(self):
        return self.name


class ConsultRecord(models.Model):
    """
    客戶跟進記錄
    """
    customer = models.ForeignKey(verbose_name="所諮詢客戶", to='Customer')
    consultant = models.ForeignKey(verbose_name="跟蹤人", to='UserInfo',limit_choices_to={'depart':1001})
    date = models.DateField(verbose_name="跟進日期", auto_now_add=True)
    note = models.TextField(verbose_name="跟進內容...")

    def __str__(self):
        return self.customer.name + ":" + self.consultant.name


class Student(models.Model):
    """
    學生表（已報名）
    """
    customer = models.OneToOneField(verbose_name='客戶信息', to='Customer')
    class_list = models.ManyToManyField(verbose_name="已報班級", to='ClassList', blank=True)
    emergency_contract = models.CharField(max_length=32, blank=True, null=True, verbose_name='緊急聯繫人')
    company = models.CharField(verbose_name='公司', max_length=128, blank=True, null=True)
    location = models.CharField(max_length=64, verbose_name='所在區域', blank=True, null=True)
    position = models.CharField(verbose_name='崗位', max_length=64, blank=True, null=True)
    salary = models.IntegerField(verbose_name='薪資', blank=True, null=True)
    welfare = models.CharField(verbose_name='福利', max_length=256, blank=True, null=True)
    date = models.DateField(verbose_name='入職時間', help_text='格式yyyy-mm-dd', blank=True, null=True)
    memo = models.CharField(verbose_name='備註', max_length=256, blank=True, null=True)

    def __str__(self):
        return self.customer.name


class ClassStudyRecord(models.Model):
    """
    上課記錄表 （班級記錄）
    """
    class_obj = models.ForeignKey(verbose_name="班級", to="ClassList")
    day_num = models.IntegerField(verbose_name="節次", help_text=u"此處填寫第幾節課或第幾天課程...,必須爲數字")
    teacher = models.ForeignKey(verbose_name="講師", to='UserInfo',limit_choices_to={'depart':1002})
    date = models.DateField(verbose_name="上課日期", auto_now_add=True)

    course_title = models.CharField(verbose_name='本節課程標題', max_length=64, blank=True, null=True)
    course_memo = models.TextField(verbose_name='本節課程內容概要', blank=True, null=True)
    has_homework = models.BooleanField(default=True, verbose_name="本節有做業")
    homework_title = models.CharField(verbose_name='本節做業標題', max_length=64, blank=True, null=True)
    homework_memo = models.TextField(verbose_name='做業描述', max_length=500, blank=True, null=True)
    exam = models.TextField(verbose_name='踩分點', max_length=300, blank=True, null=True)

    def __str__(self):
        return "{0} day{1}".format(self.class_obj, self.day_num)


class StudentStudyRecord(models.Model):
    '''
    學生學習記錄
    '''
    classstudyrecord = models.ForeignKey(verbose_name="第幾天課程", to="ClassStudyRecord")
    student = models.ForeignKey(verbose_name="學員", to='Student')

    record_choices = (('checked', "已簽到"),
                      ('vacate', "請假"),
                      ('late', "遲到"),
                      ('noshow', "缺勤"),
                      ('leave_early', "早退"),
                      )
    record = models.CharField("上課紀錄", 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'),  # 一般狀況下-1表示沒有或者數據丟失
                     (-100, 'COPY'),
                     (-1000, 'FAIL'),
                     )
    score = models.IntegerField("本節成績", choices=score_choices, default=-1)
    homework_note = models.CharField(verbose_name='做業評語', max_length=255, blank=True, null=True)
    note = models.CharField(verbose_name="備註", max_length=255, blank=True, null=True)
    homework = models.FileField(verbose_name='做業文件', blank=True, null=True, default=None)
    stu_memo = models.TextField(verbose_name='學員備註', blank=True, null=True)
    date = models.DateTimeField(verbose_name='提交做業日期', auto_now_add=True)

    def __str__(self):
        return "{0}-{1}".format(self.classstudyrecord, self.student)