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

	from datetime import date
	from django.utils.translation import gettext as _


	# test model with essential tables


	class Country(models.Model):
	name = models.CharField(max_length = 120, null=False, default='unknown')

	def __str__(self):
	return f"{self.name}"

	class Language(models.Model):
	name = models.CharField(max_length = 120, null=False)

	def __str__(self):
	return f"{self.name}"

	class Issn(models.Model):
	serial = models.CharField(max_length = 9, null=False)

	def __str__(self):
	return f"{self.serial}"


	class Journal(models.Model):
	name = models.CharField(max_length=60, null=False) # search journal with name
	issn = models.ManyToManyField("Issn") # search journal with ISSN
	website = models.URLField(max_length=120)
	languages = models.ManyToManyField(Language)
	country = models.ForeignKey("Country", on_delete=models.CASCADE)
	oa_status = models.PositiveSmallIntegerField(null=False) #??????
	starting_year = models.DateField(_("Date"), default=date.today) # add today for testing purpose
	doaj_status = models.CharField(max_length=60)
	qoam_status = models.CharField(max_length=60)
	lockss_portico = models.CharField(max_length=120)

	def __str__(self):
	return f"{self.title} from {self.website}"


	class Conditions(models.Model):
	journals = models.ManyToManyField(Journal)