117 lines
4.6 KiB
Python
117 lines
4.6 KiB
Python
from django.conf import settings
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from django.db import models
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from oauth2_provider.settings import oauth2_settings
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from apps.core.models import BaseModel
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from apps.pg.constans import StateChoices
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import uuid
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from utils.wallet_client import deposit_to_user_wallet_submit, withdraw_from_user_wallet_verify, \
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deposit_to_user_wallet_verify
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from utils.pna import PNAClient
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class ChargeRequest(models.Model):
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uuid = models.UUIDField(editable=False, default=uuid.uuid4, unique=True, db_index=True)
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application = models.ForeignKey(oauth2_settings.APPLICATION_MODEL, on_delete=models.PROTECT,
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related_name='+', null=True, blank=True)
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state = models.IntegerField(choices=StateChoices.choices, default=StateChoices.CREATED)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT)
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amount = models.PositiveBigIntegerField(null=True, blank=True)
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callback_url = models.URLField(null=True, blank=True)
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details = models.JSONField(null=True, blank=True, default=dict)
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pna_token = models.CharField(null=True, blank=True, max_length=255, db_index=True)
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pna_order_id = models.IntegerField(null=True, blank=True, db_index=True)
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pna_originator = models.CharField(null=True, blank=True, max_length=255)
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pna_status = models.IntegerField(choices=StateChoices.choices, null=True, blank=True, db_index=True)
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pna_status_code = models.IntegerField(null=True, blank=True)
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pna_status_message = models.CharField(null=True, blank=True, max_length=255)
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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updated_at = models.DateTimeField(auto_now=True, db_index=True)
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# TODO: complete and use this
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def change_state(self, from_state, to_state, error_message=None, **data):
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if self.state == from_state:
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updated = ChargeRequest.objects.filter(pk=self.pk, state=from_state).update(
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state=to_state,
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**data
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)
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if updated: # double check in db level
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self.state = to_state
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else:
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raise Exception(error_message)
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else:
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raise Exception(error_message)
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def request_sale(self):
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pna_client = PNAClient()
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description = 'from addwin ipg'
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pna_callback_url = f'https://ipg.addwin.ir/page/pna_callback/{self.uuid}/'
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response = pna_client.request_normal_sale(self.amount, description, pna_callback_url, order_id=self.id)
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self.pna_status_code = response['status']
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self.pna_status_message = response.get('title')
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if response['status'] == 0:
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self.pna_token = response['token']
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self.save()
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def get_pna_redirect_url(self):
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if self.pna_token:
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return PNAClient.pg_base_url.format(token=self.pna_token)
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def confirm_sale(self):
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pna_client = PNAClient()
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description = 'from addwin ipg'
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response = pna_client.request_normal_sale_confirm(self.pna_token)
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if response['status'] == 0:
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self.pna_status = StateChoices.SUCCESS.value
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def charge_wallet_balance(self):
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if self.state in [StateChoices.CREATED]:
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to_pending = ChargeRequest.objects.filter(
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pk=self.pk,
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state=StateChoices.CREATED.value,
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).update(
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state=StateChoices.PENDING.value)
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if not to_pending:
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raise Exception('Cannot charge balance because state')
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data = {
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"uuid": str(self.uuid),
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"payee_id": str(self.user.uuid),
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"payee_type": 1,
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"amount": self.amount,
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"details": {
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'description': "charge via IPG",
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'reference_id': str(self.uuid),
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'application_details_url': ''
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},
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}
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submit_response = deposit_to_user_wallet_submit(data)
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if not submit_response.uuid:
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raise Exception('Failed to submit payment in wallet')
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verify_response = deposit_to_user_wallet_verify(self.uuid)
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if not verify_response.uuid or verify_response.state != 5:
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raise Exception('Failed to verify payment in wallet')
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to_pay_success = ChargeRequest.objects.filter(
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pk=self.pk,
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state=StateChoices.PENDING.value
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).update(
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state=StateChoices.SUCCESS.value,
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)
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if not to_pay_success:
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raise Exception('Failed to update state payment')
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return bool(to_pay_success)
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