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from django.db import models
from django.core.exceptions import ValidationError
def nonzero_validator(value):
if value == 0:
raise ValidationError("Must be non-zero value!")
ACCOUNT_OBJECT_CHOICES = (
(0, "Optional"),
(1, "Required"),
(2, "Forbidden"),
)
class AccountClass(models.Model):
name = models.CharField(max_length=100)
inbalance = models.BooleanField(null=False, blank=False, default=False, verbose_name='In balance',
help_text='Is this account class listed in the balance report (instead of results report)')
balancenegative = models.BooleanField(null=False, blank=False, default=False, verbose_name='Balance negative',
help_text='Should the sign of the balance of this account be reversed in the report')
def __str__(self):
return self.name
class Meta:
verbose_name = 'Account class'
verbose_name_plural = 'Account classes'
ordering = ('name', )
class AccountGroup(models.Model):
name = models.CharField(max_length=100)
accountclass = models.ForeignKey(AccountClass, blank=False, default=False, on_delete=models.CASCADE,
verbose_name='Account class')
foldable = models.BooleanField(null=False, blank=False, default=False,
help_text='If this account is alone in the group having values, fold it into a single line and rmeove the group header/footer')
def __str__(self):
return self.name
class Meta:
ordering = ('name', )
class Account(models.Model):
num = models.IntegerField(verbose_name="Account number", unique=True)
group = models.ForeignKey(AccountGroup, null=False, blank=False, on_delete=models.CASCADE)
name = models.CharField(max_length=100)
availableforinvoicing = models.BooleanField(null=False, blank=False, default=False,
verbose_name='Available for invoicing',
help_text='List this account in the dropdown when creating a manual invoice')
objectrequirement = models.IntegerField(null=False, default=0, choices=ACCOUNT_OBJECT_CHOICES,
verbose_name="Object required",
help_text='Require an object to be specified when using this account')
def __str__(self):
return "%s - %s" % (self.num, self.name)
class Meta:
ordering = ('num', )
class Year(models.Model):
year = models.IntegerField(primary_key=True)
isopen = models.BooleanField(null=False, blank=False)
def __str__(self):
if self.isopen:
return "%s *" % self.year
return "%s" % self.year
class Meta:
ordering = ('-year',)
class IncomingBalance(models.Model):
year = models.ForeignKey(Year, null=False, blank=False, on_delete=models.CASCADE)
account = models.ForeignKey(Account, to_field='num', null=False, blank=False, on_delete=models.CASCADE)
amount = models.DecimalField(max_digits=10, decimal_places=2, null=False, blank=False, validators=[nonzero_validator, ])
def __str__(self):
return "%s / %s" % (self.year_id, self.account)
class Meta:
ordering = ('year__pk', 'account')
unique_together = (('year', 'account'),)
class Object(models.Model):
name = models.CharField(max_length=30, null=False, blank=False)
active = models.BooleanField(null=False, blank=False, default=True)
def __str__(self):
return self.name
class Meta:
ordering = ('name', )
verbose_name = 'Accounting object'
class JournalEntry(models.Model):
year = models.ForeignKey(Year, null=False, blank=False, on_delete=models.CASCADE)
seq = models.IntegerField(null=False, blank=False)
date = models.DateField(null=False, blank=False)
closed = models.BooleanField(blank=False, null=False, default=False)
def __str__(self):
return "%s-%04d (%s)" % (self.year.year, self.seq, self.date)
class Meta:
unique_together = (('year', 'seq'), )
class JournalItem(models.Model):
journal = models.ForeignKey(JournalEntry, null=False, blank=False, on_delete=models.CASCADE)
account = models.ForeignKey(Account, to_field='num', null=False, blank=False, on_delete=models.CASCADE)
amount = models.DecimalField(max_digits=10, decimal_places=2, null=False, blank=False, validators=[nonzero_validator, ])
object = models.ForeignKey(Object, null=True, blank=True, on_delete=models.CASCADE)
description = models.CharField(max_length=200, null=False, blank=False)
@property
def debit(self):
if self.amount > 0:
return self.amount
return ""
@property
def credit(self):
if self.amount < 0:
return -self.amount
return ""
class JournalUrl(models.Model):
journal = models.ForeignKey(JournalEntry, null=False, blank=False, on_delete=models.CASCADE)
url = models.URLField(null=False, blank=False)
def __str__(self):
return self.url
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