wallet with category
This commit is contained in:
Sayyid Hamid Mahdavi
parent
59ccfbfd8f
commit
eefc6dd4c1
4 changed files with 445 additions and 19 deletions
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@ -1,22 +1,48 @@
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import datetime
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import uuid
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from django.contrib.auth import get_user_model
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from django.core.validators import MinValueValidator
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from django.db import models
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from django.db import transaction
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from django.db.models import F
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from django.utils.translation import gettext_lazy as _
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from oauth2_provider.models import get_application_model
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from rest_framework.exceptions import APIException, ValidationError
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from django.conf import settings
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from oauth2_provider import settings as oauth2_settings
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from gooyal_accounts_client.models import PublicUser
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from utils.accounts_client import get_user_details, get_application_details
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from utils.models import BaseModel
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from .constans import StateChoices, TypeChoices
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from apps.users.models import User
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from ..gooyal_oauth2.models import Application
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class WalletQuerySet(models.QuerySet):
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pass
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class Wallet(BaseModel):
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owner_uuid = models.UUIDField(db_index=True, null=False)
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category = models.ForeignKey('Category', on_delete=models.PROTECT, null=True)
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owner_type = models.IntegerField(choices=TypeChoices.choices, db_index=True)
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balance = models.BigIntegerField(_('balance'), default=0)
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objects = WalletQuerySet.as_manager()
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class CategoryQuerySet(models.QuerySet):
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pass
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class Category(BaseModel):
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application = models.ForeignKey(oauth2_settings.APPLICATION_MODEL, on_delete=models.PROTECT, null=True)
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label = models.CharField(_('label'), max_length=255)
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objects = CategoryQuerySet.as_manager()
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# TODO: move DRF functionalities to view or serializers
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# class TransactionManager(models.Manager):
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# def create_transaction(
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@ -47,36 +73,43 @@ from ..gooyal_oauth2.models import Application
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# return tr
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class Transaction(models.Model):
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uuid = models.UUIDField(primary_key=True, editable=True, default=uuid.uuid4, unique=True,
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db_index=True) # reserve_code
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class TransactionQuerySet(models.QuerySet):
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pass
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class Transaction(BaseModel):
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amount = models.PositiveBigIntegerField(_('amount'), blank=False, validators=[MinValueValidator(1)])
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delay = models.PositiveIntegerField(default=0, blank=True) # number of days for delayed payments
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payer_id = models.UUIDField(blank=True, null=True)
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payer_type = models.IntegerField(choices=TypeChoices.choices, blank=True, null=True)
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payee_id = models.UUIDField()
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payee_type = models.IntegerField(choices=TypeChoices.choices, blank=True, null=True)
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# payer_id = models.UUIDField(blank=True, null=True)
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# payer_type = models.IntegerField(choices=TypeChoices.choices, blank=True, null=True)
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# payee_id = models.UUIDField()
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# payee_type = models.IntegerField(choices=TypeChoices.choices, blank=True, null=True)
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state = models.IntegerField(choices=StateChoices.choices, default=StateChoices.CREATED)
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created_at = models.DateTimeField(auto_now_add=True, null=True, db_index=True)
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updated_at = models.DateTimeField(auto_now=True, null=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='transactions', null=True)
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payer_wallet = models.ForeignKey(Wallet, on_delete=models.PROTECT, null=True,
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related_name='payer_wallet_transactions',
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db_index=True)
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payee_wallet = models.ForeignKey(Wallet, on_delete=models.PROTECT, null=True,
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related_name='payee_wallet_transactions',
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db_index=True)
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details = models.JSONField(null=True, blank=True, default=dict)
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# detail = {'payer_name', 'payee_name', 'description', 'application_name', 'payer_avatar_url', 'payee_avatar_url',
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# 'reference_id', 'application_details_url'}
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# objects = TransactionManager()
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objects = TransactionQuerySet.as_manager()
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class Meta:
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ordering = ['-created_at']
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# unique_together = ('application', 'detail_id',)
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def withdraw_from_payer_balance(self):
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payer = self.get_payer()
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payer_is_allowed_negative_balance = self.payer_type==TypeChoices.APPLICATION.value and str(self.payer_id) in settings.ALLOWED_NEGATIVE_BALANCE_APPLICATIONS
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if self.amount > payer.balance and not payer_is_allowed_negative_balance :
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payer_is_allowed_negative_balance = self.payer_type == TypeChoices.APPLICATION.value and str(
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self.payer_id) in settings.ALLOWED_NEGATIVE_BALANCE_APPLICATIONS
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if self.amount > payer.balance and not payer_is_allowed_negative_balance:
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raise APIException('not enough balance')
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payer.balance = F('balance') - self.amount
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payer.save(update_fields=['balance'])
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@ -227,7 +260,7 @@ class Transaction(models.Model):
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else:
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payer_details = get_application_details(self.payer_id)
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self.details['payer_name'] = payer_details.name
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#TODO: get avatar from details
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# TODO: get avatar from details
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is_updated = True
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print("payer_details:", payer_details)
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print("is_updated:", is_updated)
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@ -241,7 +274,7 @@ class Transaction(models.Model):
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else:
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payee_details = get_application_details(self.payee_id)
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self.details['payee_name'] = payee_details.name
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#TODO: get avatar from details
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# TODO: get avatar from details
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is_updated = True
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print("payee_details:", payee_details)
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@ -253,7 +286,7 @@ class Transaction(models.Model):
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print('application_details:', application_details)
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try:
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self.details['application_name'] = application_details.name
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# TODO: get avatar from details
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# TODO: get avatar from details
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is_updated = True
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except Exception as e:
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@ -264,9 +297,197 @@ class Transaction(models.Model):
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print('update details')
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self.save()
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def __str__(self):
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try:
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return f"{self.get_payer()} -> {self.get_payee()} ({self.uuid}): {self.amount} - {self.get_state_display()}"
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except:
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return str(self.uuid)
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return str(self.uuid)
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# def withdraw_from_payer_balance(self):
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# payer = self.get_payer()
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# payer_is_allowed_negative_balance = self.payer_type==TypeChoices.APPLICATION.value and str(self.payer_id) in settings.ALLOWED_NEGATIVE_BALANCE_APPLICATIONS
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# if self.amount > payer.balance and not payer_is_allowed_negative_balance :
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# raise APIException('not enough balance')
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# payer.balance = F('balance') - self.amount
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# payer.save(update_fields=['balance'])
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#
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# def deposit_to_payee_balance(self):
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# payee = self.get_payee()
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# payee.balance = F('balance') + self.amount
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# payee.save(update_fields=['balance'])
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#
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# def get_pay_entity(self, entity_id, entity_type):
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# if entity_type == TypeChoices.APPLICATION:
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# entity: Application = Application.objects.get(pk=entity_id)
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# else:
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# entity: User = User.objects.get(pk=entity_id)
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#
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# return entity
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#
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# def get_payer(self):
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# return self.get_pay_entity(self.payer_id, self.payer_type)
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#
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# def get_payee(self):
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# return self.get_pay_entity(self.payee_id, self.payee_type)
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#
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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 = Transaction.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 APIException(error_message)
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# else:
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# raise APIException(error_message)
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#
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# def pay(self, payer_id=None, payer_type=None):
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# if not self.payer_id and not (payer_id and payer_type):
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# raise APIException('payer identification error')
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#
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# if self.payer_id and payer_id and not (self.payer_id == payer_id and self.payer_type == payer_type):
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# raise APIException('payer identification error')
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#
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# if not self.state == StateChoices.CREATED:
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# raise APIException('this transaction is not ready to pay')
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#
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# if not self.payer_id:
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# self.payer_id = payer_id
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# self.payer_type = payer_type
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#
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# payer = self.get_payer()
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#
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# if payer.balance < self.amount:
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# raise APIException('not enough balance')
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#
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# with transaction.atomic():
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# if self.delay:
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# self.change_state(
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# StateChoices.CREATED,
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# StateChoices.DELAYED,
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# error_message='this transaction is not ready to pay',
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# payer_id=payer_id,
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# payer_type=payer_type
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# )
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#
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# else:
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# self.change_state(
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# StateChoices.CREATED,
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# StateChoices.SUCCESS,
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# error_message='this transaction is not ready to pay',
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# payer_id=payer_id,
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# payer_type=payer_type
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# )
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# self.deposit_to_payee_balance()
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#
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# self.withdraw_from_payer_balance()
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# return self
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#
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# def receipt(self):
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# if not self.state == StateChoices.DELAYED:
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# raise APIException('this transaction is not delayed')
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#
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# with transaction.atomic():
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# self.change_state(
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# StateChoices.DELAYED,
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# StateChoices.SUCCESS,
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# error_message='this transaction is not delayed'
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# )
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# self.deposit_to_payee_balance()
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# return self
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#
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# def submit(self):
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# payer = self.get_payer()
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# payee = self.get_payee()
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#
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# if not payer:
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# raise APIException('payer identification error')
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#
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# if not payee:
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# raise APIException('payee identification error')
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#
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# if not self.state == StateChoices.CREATED:
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# raise APIException('this transaction is not ready to pay')
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#
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# with transaction.atomic():
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# self.withdraw_from_payer_balance()
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# self.change_state(
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# StateChoices.CREATED,
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# StateChoices.PENDING,
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# error_message='this transaction is not ready to pay'
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# )
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# return self
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#
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# def verify(self):
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# if not self.state == StateChoices.PENDING:
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# raise APIException('this transaction is not pending')
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#
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# with transaction.atomic():
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# self.deposit_to_payee_balance()
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# self.change_state(
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# StateChoices.PENDING,
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# StateChoices.SUCCESS,
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# error_message='this transaction is not pending'
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# )
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# return self
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#
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# def get_role(self, entity):
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#
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# if self.payer_id == entity.uuid:
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# return 1
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# elif self.payee_id == entity.uuid:
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# return 2
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# else:
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# return 0
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#
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# def update_details(self, force_update=False):
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# if not isinstance(self.details, dict):
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# self.details = {}
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# self.save()
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# # detail = {'payer_name', 'payee_name', 'application_name', 'payer_avatar_url', 'payee_avatar_url', 'application_avatar_url'}
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# is_updated = False
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# if not self.details.get('payer_name'):
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# if self.payer_type == TypeChoices.USER.value:
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# payer_details: PublicUser = get_user_details(self.payer_id)
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# self.details['payer_name'] = payer_details.first_name + payer_details.last_name
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# self.details['payer_avatar_url'] = payer_details.avatar
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# else:
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# payer_details = get_application_details(self.payer_id)
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# self.details['payer_name'] = payer_details.name
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# #TODO: get avatar from details
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#
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# is_updated = True
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#
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# if not self.details.get('payee_name'):
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# if self.payee_type == TypeChoices.USER.value:
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# payee_details: PublicUser = get_user_details(self.payee_id)
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# self.details['payee_name'] = payee_details.first_name + payee_details.last_name
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# self.details['payee_avatar_url'] = payee_details.avatar
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# else:
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# payee_details = get_application_details(self.payee_id)
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# self.details['payee_name'] = payee_details.name
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# #TODO: get avatar from details
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#
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# is_updated = True
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#
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# if not self.details.get('application_name'):
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# application_details = get_application_details(self.application_id)
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# try:
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# self.details['application_name'] = application_details.name
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# # TODO: get avatar from details
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#
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# is_updated = True
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# except Exception as e:
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# pass
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#
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# if is_updated:
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# self.save()
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#
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#
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# def __str__(self):
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# try:
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# return f"{self.get_payer()} -> {self.get_payee()} ({self.uuid}): {self.amount} - {self.get_state_display()}"
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# except:
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# return str(self.uuid)
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@ -38,6 +38,21 @@ application_urlpatterns = [
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path('api/application/', application_views.TransactionListAPIView.as_view(), name='application_transaction_list_api'),
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path('api/application/<uuid>/', application_views.TransactionDetailAPIView.as_view(), name='application_transaction_detail'),
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path('api/application/<category_uuid>/balance', application_views.CategoryBalanceAPIView.as_view(), name='application_wallet_balance_api'),
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path('api/application/<category_uuid>/user_balance/<uuid>', application_views.CategoryUserBalanceAPIView.as_view(), name='application_user_wallet_balance_api'),
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path('api/application/<category_uuid>/deposit/', application_views.CategoryDepositSubmitAPIView.as_view(), name='application_deposit_submit_api'),
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path('api/application/<category_uuid>/deposit/<uuid>/verify', application_views.CategoryDepositVerifyAPIView.as_view(), name='application_deposit_verify_api'),
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path('api/application/<category_uuid>/withdraw/', application_views.CategoryWithdrawSubmitAPIView.as_view(), name='application_withdraw_submit_api'),
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path('api/application/<category_uuid>/withdraw/<uuid>/verify', application_views.CategoryWithdrawVerifyAPIView.as_view(), name='application_withdraw_verify_api'),
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path('api/application/<category_uuid>/', application_views.CategoryTransactionListAPIView.as_view(), name='application_transaction_list_api'),
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path('api/application/<category_uuid>/<uuid>/', application_views.CategoryTransactionDetailAPIView.as_view(), name='application_transaction_detail'),
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]
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urlpatterns = user_urlpatterns + application_urlpatterns
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@ -3,11 +3,12 @@ from oauth2_provider.contrib.rest_framework import TokenHasScope, IsAuthenticate
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from rest_framework import generics, permissions, mixins
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from rest_framework.exceptions import APIException
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from rest_framework.generics import get_object_or_404
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from rest_framework.request import Request
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from rest_framework.response import Response
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from apps.users.models import User
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from apps.wallet.constans import TypeChoices, StateChoices
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from apps.wallet.models import Transaction
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from apps.wallet.models import Transaction, Category, Wallet
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from apps.wallet.serializers import ApplicationDepositSerializer, ApplicationWithdrawSerializer, \
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ApplicationTransactionSerializer, ApplicationBalanceSerializer, MyWalletSerializer
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@ -20,6 +21,10 @@ def get_application(request):
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return application
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def get_wallet_category(request: Request):
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pass
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class BalanceAPIView(generics.RetrieveAPIView):
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'''
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API for getting specified user or application balance.
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@ -75,6 +80,7 @@ class TransactionListAPIView(generics.ListAPIView):
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Q(payee_id=application.pk, payee_type=TypeChoices.APPLICATION.value)
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).all()
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# from application to another entity
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# TODO: better name
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class DepositSubmitAPIView(generics.CreateAPIView):
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@ -165,3 +171,172 @@ class WithdrawVerifyAPIView(generics.RetrieveAPIView):
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serializer = self.get_serializer(instance)
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return Response(serializer.data)
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class CategoryBalanceAPIView(generics.RetrieveAPIView):
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'''
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API for getting specified user or application balance.
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'''
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permission_classes = [TokenHasScope]
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serializer_class = ApplicationBalanceSerializer
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required_scopes = ['wallet.application:get_balance']
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def get_object(self):
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category_uuid = self.kwargs.get('category_uuid')
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category = get_object_or_404(Category.objects.all(), uuid=category_uuid)
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application = get_application(self.request)
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wallet, created = Wallet.objects.get_or_create(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION,
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category=category)
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return wallet
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class CategoryUserBalanceAPIView(generics.RetrieveAPIView):
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'''
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API for getting specified user or application balance.
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'''
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permission_classes = [IsAuthenticatedOrTokenHasScope]
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serializer_class = MyWalletSerializer
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required_scopes = ['wallet.application:get_user_balance']
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def get_object(self):
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category_uuid = self.kwargs.get('category_uuid')
|
||||
category = get_object_or_404(Category.objects.all(), uuid=category_uuid)
|
||||
user_uuid = self.kwargs.get('uuid')
|
||||
user, created = User.objects.get_or_create(uuid=user_uuid)
|
||||
application = get_application(self.request)
|
||||
wallet, created = Wallet.objects.get_or_create(owner_uuid=user_uuid, owner_type=TypeChoices.USER,
|
||||
category=category)
|
||||
return wallet
|
||||
|
||||
|
||||
class CategoryTransactionDetailAPIView(generics.RetrieveAPIView):
|
||||
permission_classes = [TokenHasScope]
|
||||
serializer_class = ApplicationTransactionSerializer
|
||||
lookup_field = 'uuid'
|
||||
required_scopes = ['wallet.application:get_transaction_detail']
|
||||
|
||||
def get_queryset(self):
|
||||
application = get_application(self.request)
|
||||
return Transaction.objects.filter(Q(application=application) |
|
||||
Q(payer_wallet__owner_uuid=application.pk,
|
||||
payer_wallet__owner_type=TypeChoices.APPLICATION) |
|
||||
Q(payee_wallet__owner_uuid=application.pk,
|
||||
payee_wallet__owner_type=TypeChoices.APPLICATION)
|
||||
).all()
|
||||
|
||||
|
||||
class CategoryTransactionListAPIView(generics.ListAPIView):
|
||||
permission_classes = [TokenHasScope]
|
||||
serializer_class = ApplicationTransactionSerializer
|
||||
lookup_field = 'uuid'
|
||||
required_scopes = ['wallet.application:get_transaction_list']
|
||||
|
||||
def get_queryset(self):
|
||||
application = get_application(self.request)
|
||||
return Transaction.objects.filter(Q(application=application) |
|
||||
Q(payer_wallet__owner_uuid=application.pk,
|
||||
payer_wallet__owner_type=TypeChoices.APPLICATION) |
|
||||
Q(payee_wallet__owner_uuid=application.pk,
|
||||
payee_wallet__owner_type=TypeChoices.APPLICATION)
|
||||
).all()
|
||||
|
||||
|
||||
# from application to another entity
|
||||
# TODO: better name
|
||||
class CategoryDepositSubmitAPIView(generics.CreateAPIView):
|
||||
permission_classes = [IsAuthenticatedOrTokenHasScope]
|
||||
serializer_class = ApplicationDepositSerializer
|
||||
required_scopes = ['wallet.application.deposit:submit']
|
||||
|
||||
def get_queryset(self):
|
||||
category_uuid = self.kwargs.get('category_uuid')
|
||||
category = get_object_or_404(Category.objects.all(), uuid=category_uuid)
|
||||
application = get_application(self.request)
|
||||
wallet, created = Wallet.objects.get_or_create(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION,
|
||||
category=category)
|
||||
return Transaction.objects.filter(application=application,
|
||||
payer_wallet__owner_uuid=application.pk,
|
||||
payer_wallet__owner_type=TypeChoices.APPLICATION).all()
|
||||
|
||||
def perform_create(self, serializer):
|
||||
# TODO: get_or_create instead of create if uuid given
|
||||
# TODO: it is possible to merage create and submit in one step for improve performance
|
||||
application = get_application(self.request)
|
||||
category = get_object_or_404(Category.objects.all(), uuid=self.kwargs.get('category_uuid'))
|
||||
wallet = Wallet.objects.get_or_create(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION, category=category)
|
||||
instance = serializer.save(payer_wallet=wallet,
|
||||
application=application)
|
||||
try:
|
||||
instance.submit()
|
||||
except Exception as e:
|
||||
print(e)
|
||||
APIException('Failed to submit deposit')
|
||||
|
||||
|
||||
class CategoryDepositVerifyAPIView(generics.RetrieveAPIView):
|
||||
permission_classes = [IsAuthenticatedOrTokenHasScope]
|
||||
serializer_class = ApplicationDepositSerializer
|
||||
lookup_field = 'uuid'
|
||||
required_scopes = ['wallet.application.deposit:verify']
|
||||
|
||||
def get_queryset(self):
|
||||
application = get_application(self.request)
|
||||
category = get_object_or_404(Category.objects.all(), uuid=self.kwargs.get('category_uuid'))
|
||||
wallet = Wallet.objects.get(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION, category=category)
|
||||
return Transaction.objects.filter(application=application,
|
||||
payer_wallet=wallet).all()
|
||||
|
||||
def retrieve(self, request, *args, **kwargs):
|
||||
instance = self.get_object()
|
||||
if instance.state == StateChoices.PENDING:
|
||||
instance.verify()
|
||||
|
||||
serializer = self.get_serializer(instance)
|
||||
return Response(serializer.data)
|
||||
|
||||
|
||||
# from another entity to application
|
||||
class CategoryWithdrawSubmitAPIView(generics.CreateAPIView):
|
||||
permission_classes = [TokenHasScope]
|
||||
serializer_class = ApplicationWithdrawSerializer
|
||||
required_scopes = ['wallet.application.withdraw:submit']
|
||||
|
||||
def get_queryset(self):
|
||||
category_uuid = self.kwargs.get('category_uuid')
|
||||
category = get_object_or_404(Category.objects.all(), uuid=category_uuid)
|
||||
application = get_application(self.request)
|
||||
wallet, created = Wallet.objects.get_or_create(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION,
|
||||
category=category)
|
||||
return Transaction.objects.filter(application=application, wallet=wallet).all()
|
||||
|
||||
def perform_create(self, serializer):
|
||||
# TODO: get_or_create instead of create if uuid given
|
||||
# TODO: it is possible to merage create and submit in one step for improve performance
|
||||
application = get_application(self.request)
|
||||
category = get_object_or_404(Category.objects.all(), uuid=self.kwargs.get('category_uuid'))
|
||||
wallet = Wallet.objects.get_or_create(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION, category=category)
|
||||
instance = serializer.save(payee_wallet=wallet, application=application)
|
||||
|
||||
instance.submit()
|
||||
|
||||
|
||||
class CategoryWithdrawVerifyAPIView(generics.RetrieveAPIView):
|
||||
permission_classes = [TokenHasScope]
|
||||
serializer_class = ApplicationWithdrawSerializer
|
||||
lookup_field = 'uuid'
|
||||
required_scopes = ['wallet.application.withdraw:verify']
|
||||
|
||||
def get_queryset(self):
|
||||
application = get_application(self.request)
|
||||
category = get_object_or_404(Category.objects.all(), uuid=self.kwargs.get('category_uuid'))
|
||||
wallet = Wallet.objects.get(owner_uuid=application.uuid, owner_type=TypeChoices.APPLICATION, category=category)
|
||||
return Transaction.objects.filter(application=application,
|
||||
payee_wallet=wallet).all()
|
||||
|
||||
def retrieve(self, request, *args, **kwargs):
|
||||
instance = self.get_object()
|
||||
if instance.state == StateChoices.PENDING:
|
||||
instance.verify()
|
||||
|
||||
serializer = self.get_serializer(instance)
|
||||
return Response(serializer.data)
|
||||
|
|
|
|||
15
utils/models.py
Normal file
15
utils/models.py
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
import json
|
||||
import uuid
|
||||
from datetime import datetime
|
||||
|
||||
from django.db import models
|
||||
from django.utils.translation import gettext_lazy as _
|
||||
|
||||
class BaseModel(models.Model):
|
||||
id = None
|
||||
uuid = models.UUIDField(primary_key=True, editable=True, default=uuid.uuid4, unique=True, db_index=True)
|
||||
created_at = models.DateTimeField(auto_now_add=True, db_index=True)
|
||||
updated_at = models.DateTimeField(auto_now=True, db_index=True)
|
||||
|
||||
class Meta:
|
||||
abstract = True
|
||||
Loading…
Add table
Reference in a new issue