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34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
from django.db import models
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from django.core.validators import RegexValidator, FileExtensionValidator
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# Create your models here.
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class Subject(models.Model):
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id = models.AutoField(primary_key = True)
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name = models.CharField(max_length=100, unique = True)
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url = models.CharField(max_length=20, unique = True, validators=[RegexValidator(regex="^[a-zA-Z0-9_\-]+$", message="Only alphanumeric, dashes, and underscores allowed")])
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courses = models.ManyToManyField("Course", related_name="subject")
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def __str__(self):
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return self.name
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class Course(models.Model):
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id = models.AutoField(primary_key = True)
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name = models.CharField(max_length=100, unique = True)
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def __str__(self):
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return self.name
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class Guide(models.Model):
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id = models.AutoField(primary_key = True)
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name = models.CharField(max_length=100)
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course = models.ForeignKey(Course, on_delete=models.CASCADE, null=True)
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url = models.URLField(max_length=300)
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def __str__(self):
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return self.name
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