import uuid
from django.db import models
from django.utils.text import gettext_lazy as _

class Course(models.Model):
    id = models.UUIDField(
        _('id'),
        default=uuid.uuid4,
        primary_key=True,
        editable=False,
        unique=True
    )
    name = models.CharField(_('name of the course'), max_length=100)
    code = models.CharField(_('code for the subject'), max_length=10, unique=True)
    description = models.TextField(_('optional description for the course'), blank=True, null=True)

    class Meta:
        db_table = 'courses'

    def __str__(self):
        return '%s-%s'%(self.code, self.name)