547 lines
19 KiB
Python
547 lines
19 KiB
Python
from django.db import models
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from django.core.urlresolvers import reverse
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from django.core.exceptions import PermissionDenied, ValidationError
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from django.core.validators import RegexValidator
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from django.contrib.auth.models import User
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from gestioncof.models import CofProfile
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from django.utils.six.moves import reduce
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from django.utils import timezone
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from django.db import transaction
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from datetime import date, timedelta
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import re
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def choices_length(choices):
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return reduce(lambda m, choice: max(m, len(choice[0])), choices, 0)
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def default_promo():
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now = date.today()
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return now.month <= 8 and now.year-1 or now.year
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class Account(models.Model):
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cofprofile = models.OneToOneField(
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CofProfile, on_delete = models.PROTECT,
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related_name = "account_kfet")
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trigramme = models.CharField(
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unique = True,
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max_length = 3,
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validators = [RegexValidator(regex='^[^a-z]{3}$')],
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db_index = True)
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balance = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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default = 0)
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is_frozen = models.BooleanField(default = False)
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# Optional
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PROMO_CHOICES = [(r,r) for r in range(1980, date.today().year+1)]
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promo = models.IntegerField(
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choices = PROMO_CHOICES,
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blank = True, null = True, default = default_promo())
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nickname = models.CharField(
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max_length = 255,
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blank = True, default = "")
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password = models.CharField(
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max_length = 255,
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unique = True,
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blank = True, null = True, default = None)
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def __str__(self):
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return '%s (%s)' % (self.trigramme, self.name)
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# Propriétés pour accéder aux attributs de user et cofprofile et user
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@property
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def user(self):
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return self.cofprofile.user
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@property
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def username(self):
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return self.cofprofile.user.username
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@property
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def first_name(self):
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return self.cofprofile.user.first_name
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@property
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def last_name(self):
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return self.cofprofile.user.last_name
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@property
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def email(self):
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return self.cofprofile.user.email
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@property
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def departement(self):
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return self.cofprofile.departement
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@property
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def is_cof(self):
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return self.cofprofile.is_cof
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# Propriétés supplémentaires
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@property
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def real_balance(self):
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if (hasattr(self, 'negative')):
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return self.balance + self.negative.balance_offset
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return self.balance
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@property
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def name(self):
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if self.first_name and self.last_name:
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return '%s %s' % (self.first_name, self.last_name)
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elif self.first_name:
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return self.first_name
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else:
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return self.last_name
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@property
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def is_cash(self):
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return self.trigramme == 'LIQ'
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@staticmethod
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def is_validandfree(trigramme):
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data = { 'is_valid' : False, 'is_free' : False }
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pattern = re.compile("^[^a-z]{3}$")
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data['is_valid'] = pattern.match(trigramme) and True or False
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try:
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account = Account.objects.get(trigramme=trigramme)
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except Account.DoesNotExist:
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data['is_free'] = True
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return data
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def perms_to_perform_operation(self, amount, overdraft_duration_max=None, \
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overdraft_amount_max=None):
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if overdraft_duration_max is None:
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overdraft_duration_max = Settings.OVERDRAFT_DURATION()
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if overdraft_amount_max is None:
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overdraft_amount_max = Settings.OVERDRAFT_AMOUNT()
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perms = set()
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stop_ope = False
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# Checking is cash account
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if self.is_cash:
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# Yes, so no perms and no stop
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return [], False
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# Checking is frozen account
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if self.is_frozen:
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perms.add('kfet.override_frozen_protection')
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new_balance = self.balance + amount
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if new_balance < 0 and amount < 0:
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# Retrieving overdraft amount limit
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if (hasattr(self, 'negative')
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and self.negative.authz_overdraft_amount is not None):
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overdraft_amount = - self.negative.authz_overdraft_amount
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else:
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overdraft_amount = - overdraft_amount_max
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# Retrieving overdraft datetime limit
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if (hasattr(self, 'negative')
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and self.negative.authz_overdraft_until is not None):
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overdraft_until = self.negative.authz_overdraft_until
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elif hasattr(self, 'negative'):
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overdraft_until = \
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self.negative.start + overdraft_duration_max
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else:
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overdraft_until = timezone.now() + overdraft_duration_max
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# Checking it doesn't break 1 rule
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if new_balance < overdraft_amount_max or timezone.now() > overdraft_until:
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stop_ope = True
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perms.add('kfet.perform_negative_operations')
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return perms, stop_ope
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# Surcharge Méthode save() avec gestions de User et CofProfile
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# Args:
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# - data : datas pour User et CofProfile
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# Action:
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# - Enregistre User, CofProfile à partir de "data"
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# - Enregistre Account
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def save(self, data = {}, *args, **kwargs):
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if self.pk and data:
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# Account update
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# Updating User with data
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user = self.user
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user.first_name = data.get("first_name", user.first_name)
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user.last_name = data.get("last_name", user.last_name)
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user.email = data.get("email", user.email)
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user.save()
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# Updating CofProfile with data
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cof = self.cofprofile
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cof.departement = data.get("departement", cof.departement)
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cof.save()
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elif data:
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# New account
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# Checking if user has already an account
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username = data.get("username")
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try:
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user = User.objects.get(username=username)
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if hasattr(user.profile, "account_kfet"):
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trigramme = user.profile.account_kfet.trigramme
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raise Account.UserHasAccount(trigramme)
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except User.DoesNotExist:
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pass
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# Creating or updating User instance
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(user, _) = User.objects.get_or_create(username=username)
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if "first_name" in data:
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user.first_name = data['first_name']
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if "last_name" in data:
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user.last_name = data['last_name']
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if "email" in data:
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user.email = data['email']
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user.save()
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# Creating or updating CofProfile instance
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(cof, _) = CofProfile.objects.get_or_create(user=user)
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if "login_clipper" in data:
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cof.login_clipper = data['login_clipper']
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if "departement" in data:
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cof.departement = data['departement']
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cof.save()
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if data:
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self.cofprofile = cof
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super(Account, self).save(*args, **kwargs)
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# Surcharge de delete
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# Pas de suppression possible
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# Cas à régler plus tard
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def delete(self, *args, **kwargs):
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pass
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class UserHasAccount(Exception):
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def __init__(self, trigramme):
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self.trigramme = trigramme
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class AccountNegative(models.Model):
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account = models.OneToOneField(
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Account, on_delete = models.PROTECT,
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related_name = "negative")
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start = models.DateTimeField(
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blank = True, null = True, default = None)
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balance_offset = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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blank = True, null = True, default = None)
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authz_overdraft_amount = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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blank = True, null = True, default = None)
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authz_overdraft_until = models.DateTimeField(
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blank = True, null = True, default = None)
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comment = models.CharField(max_length = 255, blank = True)
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class Checkout(models.Model):
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created_by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+")
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name = models.CharField(max_length = 45)
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valid_from = models.DateTimeField()
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valid_to = models.DateTimeField()
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balance = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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default = 0)
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is_protected = models.BooleanField(default = False)
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def get_absolute_url(self):
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return reverse('kfet.checkout.read', kwargs={'pk': self.pk})
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class Meta:
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ordering = ['-valid_to']
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def __str__(self):
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return self.name
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class CheckoutTransfer(models.Model):
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from_checkout = models.ForeignKey(
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Checkout, on_delete = models.PROTECT,
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related_name = "transfers_from")
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to_checkout = models.ForeignKey(
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Checkout, on_delete = models.PROTECT,
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related_name = "transfers_to")
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amount = models.DecimalField(
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max_digits = 6, decimal_places = 2)
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class CheckoutStatement(models.Model):
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by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+")
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checkout = models.ForeignKey(
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Checkout, on_delete = models.PROTECT,
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related_name = "statements")
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balance_old = models.DecimalField(max_digits = 6, decimal_places = 2)
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balance_new = models.DecimalField(max_digits = 6, decimal_places = 2)
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amount_taken = models.DecimalField(max_digits = 6, decimal_places = 2)
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amount_error = models.DecimalField(max_digits = 6, decimal_places = 2)
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at = models.DateTimeField(auto_now_add = True)
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def __str__(self):
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return '%s %s' % (self.checkout, self.at)
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def save(self, *args, **kwargs):
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if not self.pk:
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checkout_id = self.checkout_id
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self.balance_old = (Checkout.objects
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.values_list('balance', flat=True).get(pk=checkout_id))
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self.amount_error = (
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self.balance_new + self.amount_taken - self.balance_old)
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with transaction.atomic():
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Checkout.objects.filter(pk=checkout_id).update(balance=self.balance_new)
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super(CheckoutStatement, self).save(*args, **kwargs)
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else:
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super(CheckoutStatement, self).save(*args, **kwargs)
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class ArticleCategory(models.Model):
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name = models.CharField(max_length = 45)
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def __str__(self):
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return self.name
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class Article(models.Model):
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name = models.CharField(max_length = 45)
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is_sold = models.BooleanField(default = True)
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price = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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default = 0)
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stock = models.IntegerField(default = 0)
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category = models.ForeignKey(
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ArticleCategory, on_delete = models.PROTECT,
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related_name = "articles")
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def __str__(self):
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return '%s - %s' % (self.category.name, self.name)
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def get_absolute_url(self):
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return reverse('kfet.article.read', kwargs={'pk': self.pk})
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class ArticleRule(models.Model):
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article_on = models.OneToOneField(
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Article, on_delete = models.PROTECT,
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related_name = "rule_on")
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article_to = models.OneToOneField(
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Article, on_delete = models.PROTECT,
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related_name = "rule_to")
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ratio = models.PositiveSmallIntegerField()
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class Inventory(models.Model):
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articles = models.ManyToManyField(
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Article,
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through = 'InventoryArticle',
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related_name = "inventories")
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by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+")
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at = models.DateTimeField(auto_now_add = True)
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# Optional
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order = models.OneToOneField(
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'Order', on_delete = models.PROTECT,
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related_name = "inventory",
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blank = True, null = True, default = None)
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class InventoryArticle(models.Model):
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inventory = models.ForeignKey(
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Inventory, on_delete = models.PROTECT)
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article = models.ForeignKey(
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Article, on_delete = models.PROTECT)
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stock_old = models.IntegerField()
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stock_new = models.IntegerField()
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stock_error = models.IntegerField(default = 0)
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class Supplier(models.Model):
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articles = models.ManyToManyField(
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Article,
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through = 'SupplierArticle',
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related_name = "suppliers")
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name = models.CharField(max_length = 45)
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address = models.TextField()
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email = models.EmailField()
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phone = models.CharField(max_length = 10)
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comment = models.TextField()
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class SupplierArticle(models.Model):
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supplier = models.ForeignKey(
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Supplier, on_delete = models.PROTECT)
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article = models.ForeignKey(
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Article, on_delete = models.PROTECT)
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BOX_TYPE_CHOICES = (
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("caisse", "Caisse"),
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("carton", "Carton"),
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("palette", "Palette"),
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("fût", "Fût"),
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)
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box_type = models.CharField(
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choices = BOX_TYPE_CHOICES,
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max_length = choices_length(BOX_TYPE_CHOICES))
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box_capacity = models.PositiveSmallIntegerField()
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price_HT = models.DecimalField(max_digits = 7, decimal_places = 4)
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TVA = models.DecimalField(max_digits = 4, decimal_places = 2)
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rights = models.DecimalField(max_digits = 7, decimal_places = 4)
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class Order(models.Model):
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supplier = models.ForeignKey(
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Supplier, on_delete = models.PROTECT,
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related_name = "orders")
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articles = models.ManyToManyField(
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Article,
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through = "OrderArticle",
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related_name = "orders")
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at = models.DateTimeField(auto_now_add = True)
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amount = models.DecimalField(max_digits = 6, decimal_places = 2)
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class OrderArticle(models.Model):
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order = models.ForeignKey(
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Order, on_delete = models.PROTECT)
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article = models.ForeignKey(
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Article, on_delete = models.PROTECT)
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quantity_ordered = models.IntegerField()
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quantity_received = models.IntegerField()
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class TransferGroup(models.Model):
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at = models.DateTimeField(auto_now_add = True)
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# Optional
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comment = models.CharField(
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max_length = 255,
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blank = True, default = "")
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valid_by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+",
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blank = True, null = True, default = None)
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class Transfer(models.Model):
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group = models.ForeignKey(
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TransferGroup, on_delete = models.PROTECT,
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related_name = "transfers")
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from_acc = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "transfers_from")
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to_acc = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "transfers_to")
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amount = models.DecimalField(max_digits = 6, decimal_places = 2)
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# Optional
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canceled_by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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null = True, blank = True, default = None,
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related_name = "+")
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canceled_at = models.DateTimeField(
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null = True, blank = True, default = None)
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class OperationGroup(models.Model):
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on_acc = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "operations")
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checkout = models.ForeignKey(
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Checkout, on_delete = models.PROTECT,
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related_name = "operations")
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at = models.DateTimeField(auto_now_add = True)
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amount = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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default = 0)
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is_cof = models.BooleanField(default = False)
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# Optional
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comment = models.CharField(
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max_length = 255,
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blank = True, default = "")
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valid_by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+",
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blank = True, null = True, default = None)
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class Operation(models.Model):
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PURCHASE = 'purchase'
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DEPOSIT = 'deposit'
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WITHDRAW = 'withdraw'
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TYPE_ORDER_CHOICES = (
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(PURCHASE, 'Achat'),
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(DEPOSIT, 'Charge'),
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(WITHDRAW, 'Retrait'),
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)
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group = models.ForeignKey(
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OperationGroup, on_delete = models.PROTECT,
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related_name = "+")
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type = models.CharField(
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choices = TYPE_ORDER_CHOICES,
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max_length = choices_length(TYPE_ORDER_CHOICES))
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amount = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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blank = True, default = 0)
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is_checkout = models.BooleanField(default = True)
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# Optional
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article = models.ForeignKey(
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Article, on_delete = models.PROTECT,
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related_name = "operations",
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blank = True, null = True, default = None)
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article_nb = models.PositiveSmallIntegerField(
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blank = True, null = True, default = None)
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canceled_by = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "+",
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blank = True, null = True, default = None)
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canceled_at = models.DateTimeField(
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blank = True, null = True, default = None)
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addcost_for = models.ForeignKey(
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Account, on_delete = models.PROTECT,
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related_name = "addcosts",
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blank = True, null = True, default = None)
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addcost_amount = models.DecimalField(
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max_digits = 6, decimal_places = 2,
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blank = True, null = True, default = None)
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class GlobalPermissions(models.Model):
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class Meta:
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managed = False
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permissions = (
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('is_team', 'Is part of the team'),
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('perform_deposit', 'Effectuer une charge'),
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('perform_negative_operations',
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'Enregistrer des commandes en négatif'),
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('override_frozen_protection', "Forcer le gel d'un compte"),
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('cancel_old_operations', 'Annuler des commandes non récentes'),
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)
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class Settings(models.Model):
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name = models.CharField(
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max_length = 45,
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unique = True,
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db_index = True)
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value_decimal = models.DecimalField(
|
|
max_digits = 6, decimal_places = 2,
|
|
blank = True, null = True, default = None)
|
|
value_account = models.ForeignKey(
|
|
Account, on_delete = models.PROTECT,
|
|
blank = True, null = True, default = None)
|
|
value_duration = models.DurationField(
|
|
blank = True, null = True, default = None)
|
|
|
|
@staticmethod
|
|
def setting_inst(name):
|
|
return Settings.objects.get(name=name)
|
|
|
|
@staticmethod
|
|
def SUBVENTION_COF():
|
|
try:
|
|
return Settings.setting_inst("SUBVENTION_COF").value_decimal
|
|
except Settings.DoesNotExist:
|
|
return 0
|
|
|
|
@staticmethod
|
|
def ADDCOST_AMOUNT():
|
|
try:
|
|
return Settings.setting_inst("ADDCOST_AMOUNT").value_decimal
|
|
except Settings.DoesNotExist:
|
|
return 0
|
|
|
|
@staticmethod
|
|
def ADDCOST_FOR():
|
|
try:
|
|
return Settings.setting_inst("ADDCOST_FOR").value_account
|
|
except Settings.DoesNotExist:
|
|
return None;
|
|
|
|
@staticmethod
|
|
def OVERDRAFT_DURATION():
|
|
try:
|
|
return Settings.setting_inst("OVERDRAFT_DURATION").value_duration
|
|
except Settings.DoesNotExist:
|
|
return timedelta()
|
|
|
|
@staticmethod
|
|
def OVERDRAFT_AMOUNT():
|
|
try:
|
|
return Settings.setting_inst("OVERDRAFT_AMOUNT").value_decimal
|
|
except Settings.DoesNotExist:
|
|
return 0
|
|
|
|
def CANCEL_DURATION():
|
|
try:
|
|
return Settings.setting_inst("CANCEL_DURATION").value_duration
|
|
except Settings.DoesNotExist:
|
|
return timedelta()
|