source: app/models.py

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


class Artikal(models.Model):
    artikal_id = models.AutoField(primary_key=True)
    sifra = models.CharField(max_length=10)
    artikal_ime = models.CharField(max_length=100)
    cena = models.DecimalField(max_digits=10, decimal_places=2)
    cenasoddv = models.DecimalField(max_digits=10, decimal_places=2)
    ddvid = models.ForeignKey('Ddv', models.DO_NOTHING, db_column='ddvid', blank=True, null=True)

    class Meta:
        managed = False
        db_table = 'artikal'

    def __str__(self):
        return self.artikal_ime


class Bank(models.Model):
    bankid = models.AutoField(primary_key=True)
    bankime = models.CharField(unique=True, max_length=100)

    class Meta:
        managed = False
        db_table = 'bank'

    def __str__(self):
        return self.bankime


class Ddv(models.Model):
    ddvid = models.AutoField(primary_key=True)
    ddvval = models.SmallIntegerField(unique=True)

    class Meta:
        managed = False
        db_table = 'ddv'

    def __str__(self):
        return str(self.ddvval)


class Grad(models.Model):
    gradid = models.AutoField(primary_key=True)
    gradime = models.CharField(unique=True, max_length=50)
    postbroj = models.SmallIntegerField(unique=True, blank=True, null=True)

    class Meta:
        managed = False
        db_table = 'grad'

    def __str__(self):
        return self.gradime


class Klient(models.Model):
    klientid = models.AutoField(primary_key=True)
    klientime = models.CharField(max_length=100)
    adresa = models.CharField(max_length=100, blank=True, null=True)
    gradid = models.ForeignKey(Grad, models.DO_NOTHING, db_column='gradid', blank=True, null=True)
    phone = models.CharField(max_length=20, blank=True, null=True)
    email = models.CharField(max_length=100, blank=True, null=True)
    edb = models.CharField(unique=True, max_length=13)

    class Meta:
        managed = False
        db_table = 'klient'

    def __str__(self):
        return self.klientime


class Lagerlist(models.Model):
    lagerlist_id = models.AutoField(primary_key=True)
    stavkaid = models.ForeignKey('Stavka', models.DO_NOTHING, db_column='stavkaid', blank=True, null=True)
    artikal = models.ForeignKey(Artikal, models.DO_NOTHING, blank=True, null=True)
    kolicina = models.SmallIntegerField()
    avg_cena = models.DecimalField(max_digits=10, decimal_places=2)

    class Meta:
        managed = False
        db_table = 'lagerlist'


class Stavka(models.Model):
    stavkaid = models.AutoField(primary_key=True)
    tipid = models.ForeignKey('Tipdok', models.DO_NOTHING, db_column='tipid', blank=True, null=True)
    created_by = models.ForeignKey('Vraboteni', models.DO_NOTHING, db_column='created_by', blank=True, null=True)
    datum = models.DateField()
    broj = models.IntegerField()
    klientid = models.ForeignKey(Klient, models.DO_NOTHING, db_column='klientid', blank=True, null=True)
    cena_osnova = models.DecimalField(max_digits=10, decimal_places=2)
    cena_ddv = models.DecimalField(max_digits=10, decimal_places=2)
    cena_vkupno = models.DecimalField(max_digits=10, decimal_places=2)

    class Meta:
        managed = False
        db_table = 'stavka'
        ordering = ['-datum']


class Tipdok(models.Model):
    tipid = models.SmallIntegerField(primary_key=True)
    tipime = models.CharField(unique=True, max_length=50)

    class Meta:
        managed = False
        db_table = 'tipdok'

    def __str__(self):
        return self.tipime


class Vraboteni(models.Model):
    userid = models.OneToOneField(User, on_delete=models.CASCADE)
    username = models.CharField(unique=True, max_length=100)
    password = models.CharField(max_length=100)
    email = models.CharField(max_length=100)
    displayname = models.CharField(max_length=100, blank=True, null=True)
    isadmin = models.BooleanField(blank=True, null=True)

    class Meta:
        managed = False
        db_table = 'vraboteni'


class Zirosmetki(models.Model):
    zirosmetkiid = models.AutoField(primary_key=True)
    klientid = models.ForeignKey(Klient, models.DO_NOTHING, db_column='klientid', blank=True, null=True)
    bankid = models.ForeignKey(Bank, models.DO_NOTHING, db_column='bankid', blank=True, null=True)
    broj = models.CharField(unique=True, max_length=15)

    class Meta:
        managed = False
        db_table = 'zirosmetki'

    def __str__(self):
        return self.broj