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124 lines
4.7 KiB
124 lines
4.7 KiB
from django.db import models
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import os
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from django.utils.translation import gettext_lazy as _
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from apps.account.models import StudentUser, User
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from apps.course.models import Course
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from phonenumber_field.modelfields import PhoneNumberField
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from utils.validators import validate_possible_number
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def receipt_file_upload_to(instance, filename):
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return os.path.join(f"receipts/{instance.transaction.id}/{filename}")
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class TransactionParticipant(models.Model):
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class TransactionStatus(models.TextChoices):
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PENDING = 'pending', _('Pending')
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WAITING_APPROVAL = 'waiting_approval', _('Waiting for Approval')
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SUCCESS = 'success', _('Success')
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FAILED = 'failed', _('Failed')
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class PaymentMethods(models.TextChoices):
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RECEIPT = 'receipt', _('Receipt')
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FREE = 'free', _('Free')
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PAYMENT_GATEWAY = 'Payment_Gateway', _('Payment Gateway')
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user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='transactions')
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course = models.ForeignKey(Course, on_delete=models.CASCADE, related_name='course_transactions')
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payment_method=models.CharField(max_length=20, choices=PaymentMethods.choices, default=PaymentMethods.PAYMENT_GATEWAY, verbose_name=_('Transaction Payment Method'))
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# is_paid = models.BooleanField(default=False, verbose_name='Payment Status', help_text='Indicates whether the payment has been completed or not')
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price = models.DecimalField(max_digits=10, decimal_places=2, default=0.00, verbose_name='Transaction Price')
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status = models.CharField(max_length=20, choices=TransactionStatus.choices, default=TransactionStatus.PENDING, verbose_name=_('Transaction Status'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_("Created at"))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_("Updated at"))
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is_deleted = models.BooleanField(default=False)
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def __str__(self):
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return f"{self.user.email} - {self.course.title} ({self.status})"
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def is_participant_enrolled(self):
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"""بررسی اینکه آیا کاربر در دوره ثبتنام شده یا نه"""
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from apps.course.models import Participant
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return Participant.objects.filter(
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student=self.user,
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course=self.course
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).exists()
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def get_participant(self):
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"""دریافت شرکتکننده دوره اگر وجود داشته باشد"""
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from apps.course.models import Participant
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return Participant.objects.filter(
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student=self.user,
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course=self.course
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).first()
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class ParticipantInfo(models.Model):
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class GenderChoices(models.TextChoices):
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MALE = 'male', 'Male'
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FEMALE = 'female', 'Female'
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transaction_participant = models.ForeignKey(
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TransactionParticipant,
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on_delete=models.CASCADE,
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related_name='participant_infos',
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verbose_name="Transaction Participant"
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)
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fullname = models.CharField(max_length=255, verbose_name="Full Name", help_text="Enter the full name of the user.")
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email = models.EmailField(verbose_name="Email Address", help_text="Enter the user's email address.")
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phone_number = PhoneNumberField(validators=[validate_possible_number], null=True, blank=True, verbose_name=_('phone'))
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gender = models.CharField(
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max_length=20, choices=GenderChoices.choices, null=True, blank=True, verbose_name=_('Gender'), help_text="Select the user's gender."
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)
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birthdate = models.DateField(verbose_name=_('birthdate'), null=True, blank=True)
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def __str__(self):
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return f"{self.fullname} (Transaction: {self.transaction_participant.id}) - {self.email}"
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class TransactionReceipt(models.Model):
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"""
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Model for storing payment receipts uploaded by users for transactions
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"""
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transaction = models.ForeignKey(
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TransactionParticipant,
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on_delete=models.CASCADE,
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related_name='receipts',
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verbose_name=_('Transaction')
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)
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file = models.FileField(
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upload_to=receipt_file_upload_to,
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verbose_name=_('Receipt File'),
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help_text=_('Upload payment receipt image or document')
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)
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uploaded_at = models.DateTimeField(auto_now_add=True, verbose_name=_('Uploaded At'))
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description = models.TextField(
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blank=True,
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null=True,
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verbose_name=_('Description'),
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help_text=_('Optional description or notes about the receipt')
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)
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class Meta:
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verbose_name = _('Transaction Receipt')
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verbose_name_plural = _('Transaction Receipts')
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ordering = ['-uploaded_at']
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def __str__(self):
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return f"Receipt for Transaction #{self.transaction.id} - {self.uploaded_at.strftime('%Y-%m-%d %H:%M')}"
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