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121 lines
4.4 KiB
121 lines
4.4 KiB
from django.db import models
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from django.db.models import Sum
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from django.core.exceptions import ValidationError
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from django.core.validators import MinValueValidator, MaxValueValidator
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from django.utils import timezone
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from users.models import User
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TYPES = (
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('minus', 'Снятие'),
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('plus', 'Приход'),
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)
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class Wallet(models.Model):
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customer = models.OneToOneField(User, on_delete=models.CASCADE,primary_key=True)
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balance = models.DecimalField(max_digits=10, decimal_places=0, default=0)
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def __str__(self):
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return str(self.balance)
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class InvoiceHistory(models.Model):
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TYPES = (
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('score', 'Счет'),
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('history', 'История'),
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)
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comment = models.TextField(blank=True)
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created = models.DateTimeField(default=timezone.now)
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sum = models.DecimalField(max_digits=10, decimal_places=0, default=0, null=True, blank=True)
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balance = models.DecimalField(max_digits=10, decimal_places=0, default=0)
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type = models.CharField(max_length=20, choices=TYPES,default='score')
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user = models.ForeignKey(User, related_name='invoice_history')
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def __str__(self):
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return self.comment
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def save(self, *args, **kwargs):
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if self.pk is None:
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current_sum_info = InvoiceHistory.objects.filter(user=self.user,type="score").aggregate(Sum('sum'))
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current_sum = current_sum_info['sum__sum'] or 0
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if self.type == "score":
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self.balance = current_sum + self.sum
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else:
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self.balance = current_sum
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super().save(*args, **kwargs)
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class Meta:
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verbose_name = 'Счет(История)'
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verbose_name_plural = 'Счет(История)'
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ordering = ('-created',)
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class WithDraw(models.Model):
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sum = models.DecimalField(max_digits=10, decimal_places=0, validators=[MinValueValidator(1)])
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created = models.DateTimeField(default=timezone.now)
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yandex_card = models.CharField(max_length=30)
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user = models.ForeignKey(User, related_name='with_draw')
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complete = models.BooleanField(default=False)
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def __str__(self):
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return self.yandex_card
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def clean(self):
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if not self.pk:
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current_score_info = InvoiceHistory.objects.filter(user=self.user, type="score").aggregate(Sum('sum'))
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withdraw_sum_not_complete = WithDraw.objects.filter(user=self.user, complete=False).aggregate(Sum('sum'))
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current_score = current_score_info['sum__sum'] or 0
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sum_not_complete = withdraw_sum_not_complete['sum__sum'] or 0
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current_score -= sum_not_complete
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if not self.sum is None and self.sum > current_score:
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raise ValidationError("Сумма должна быть меньше " + str(current_score))
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class Meta:
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verbose_name = 'Заявка на вывод средств'
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verbose_name_plural = 'Заявки на вывод средств'
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ordering = ('-created',)
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class Transaction(models.Model):
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TYPES = (
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('add', 'Пополнение'),
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('reservation', 'Резервирование'),
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)
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complete = models.BooleanField(default=False, editable=False) # Not editable in admin
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created_at = models.DateTimeField(default=timezone.now, editable=False)
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customer = models.ForeignKey(User, related_name='customer_transactions')
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voids_at = models.DateTimeField()
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sum = models.DecimalField(max_digits=20, decimal_places=0, default=0)
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type = models.CharField(max_length=20, choices=TYPES, default='add')
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stages_id = models.CharField(max_length=100, null=True, blank=True)
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def save(self, *args, **kwargs):
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if not self.pk and self.created_at:
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self.voids_at = self.created_at + timezone.timedelta(minutes=9000)
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super().save(*args, **kwargs)
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def is_void(self):
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return timezone.now() > self.voids_at
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def __str__(self):
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return str(self.pk)
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class PayFromScore(models.Model):
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customer = models.ForeignKey(User, related_name='customer_payfromscore')
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sum = models.DecimalField(max_digits=20, decimal_places=0, default=0)
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stages_id = models.CharField(max_length=100, null=True, blank=True)
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created_at = models.DateTimeField(default=timezone.now, editable=False)
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def __str__(self):
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return str(self.pk)
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class Meta:
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ordering = ('-created_at',)
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verbose_name = 'Оплата со счета'
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verbose_name_plural = 'Оплата со счета'
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