277 lines
12 KiB
Python
277 lines
12 KiB
Python
from django.db import transaction
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from rest_framework import serializers
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from core.apps.finance.models import Expence
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from core.apps.notifications.utils.notify_user import notify_user
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class ExpenceCreateSerializer(serializers.ModelSerializer):
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class Meta:
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model = Expence
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fields = [
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'cash_transaction', 'payment_type', 'project_folder', 'project', 'expence_type',
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'counterparty', 'price', 'exchange_rate', 'currency', 'date', 'comment', 'audit', 'file'
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]
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def validate(self, data):
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cash_transaction = data.get('cash_transaction')
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payment_type = data.get('payment_type')
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price = data.get('price')
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exchange_rate = data.get('exchange_rate', 1)
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currency = data.get('currency', 'uzs')
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final_price = price
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if currency == 'uzs' and payment_type.total_uzs < final_price:
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raise serializers.ValidationError(f"Yetarli UZS balansi yo'q. Mavjud: {payment_type.total_uzs}")
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elif currency == 'usd' and payment_type.total_usd < final_price:
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raise serializers.ValidationError(f"Yetarli USD balansi yo'q. Mavjud: {payment_type.total_usd}")
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return data
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def create(self, validated_data):
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with transaction.atomic():
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exchange_rate = validated_data.get('exchange_rate') or 1
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final_price = validated_data.get('price')
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expence = Expence.objects.create(
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user=self.context.get('user'),
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cash_transaction=validated_data.get('cash_transaction'),
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payment_type=validated_data.get('payment_type'),
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project_folder=validated_data.get('project_folder'),
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project=validated_data.get('project'),
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expence_type=validated_data.get('expence_type'),
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counterparty=validated_data.get('counterparty'),
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price=final_price,
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exchange_rate=exchange_rate,
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currency=validated_data.get('currency'),
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date=validated_data.get('date'),
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comment=validated_data.get('comment'),
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audit=validated_data.get('audit'),
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file=validated_data.get('file'),
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)
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cash_transaction = expence.cash_transaction
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payment_type = expence.payment_type
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currency = validated_data.get('currency', 'uzs').lower()
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user = self.context.get('user')
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if currency == 'uzs':
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cash_transaction.expence_balance_uzs += expence.price
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cash_transaction.total_balance_uzs = cash_transaction.income_balance_uzs - cash_transaction.expence_balance_uzs
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payment_type.total_uzs -= expence.price
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if expence.counterparty:
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if expence.counterparty.kredit_uzs > 0:
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expence.counterparty.kredit_uzs -= expence.price
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expence.counterparty.total_kredit -= expence.price
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expence.counterparty.debit_uzs += expence.price
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expence.counterparty.total_debit += expence.price
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else:
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expence.counterparty.debit_uzs += expence.price
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expence.counterparty.total_debit += expence.price
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expence.counterparty.save()
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elif currency == 'usd':
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cash_transaction.expence_balance_usd += expence.price
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cash_transaction.total_balance_usd = cash_transaction.income_balance_usd - cash_transaction.expence_balance_usd
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payment_type.total_usd -= expence.price
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if expence.counterparty:
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if expence.counterparty.kredit_usd > 0:
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expence.counterparty.kredit_usd -= expence.price
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expence.counterparty.total_kredit -= expence.price
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expence.counterparty.debit_usd += expence.price
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expence.counterparty.total_debit += expence.price
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else:
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expence.counterparty.debit_usd += expence.price
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expence.counterparty.total_debit += expence.price
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expence.counterparty.save()
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body = f"""{user.full_name} {expence.price} {expence.currency.upper()}... \n screen: /monitoring"""
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data = {
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"screen": "/monitoring",
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"type": "expence",
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}
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notify_user(user=user, title="Tasdiqlang yoki rad eting", body=body, data=data)
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cash_transaction.save()
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payment_type.save()
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return expence
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class ExpenceListSerializer(serializers.ModelSerializer):
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cash_transaction = serializers.SerializerMethodField(method_name='get_cash_transaction')
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payment_type = serializers.SerializerMethodField(method_name='get_payment_type')
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project_folder = serializers.SerializerMethodField(method_name='get_project_folder')
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project = serializers.SerializerMethodField(method_name='get_project')
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counterparty = serializers.SerializerMethodField(method_name='get_counterparty')
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expence_type = serializers.SerializerMethodField(method_name='get_expence_type')
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user = serializers.SerializerMethodField(method_name='get_user')
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class Meta:
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model = Expence
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fields = [
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'id', 'cash_transaction', 'payment_type', 'project_folder', 'project', 'expence_type',
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'counterparty', 'price', 'exchange_rate', 'currency', 'date', 'comment', 'audit', 'file',
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'user', 'expence_chats', 'created_at'
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]
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def get_user(self, obj):
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return {
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'id': obj.user.id,
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'full_name': obj.user.full_name,
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} if obj.user else None
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def get_cash_transaction(self, obj):
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return {
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'id': obj.cash_transaction.id,
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'name': obj.cash_transaction.name
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}
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def get_payment_type(self, obj):
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return {
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'id': obj.payment_type.id,
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'name': obj.payment_type.name
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}
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def get_project_folder(self, obj):
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return {
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'id': obj.project_folder.id,
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'name': obj.project_folder.name
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} if obj.project_folder else None
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def get_project(self, obj):
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return {
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'id': obj.project.id,
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'name': obj.project.name
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} if obj.project else None
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def get_counterparty(self, obj):
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return {
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'id': obj.counterparty.id,
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'name': obj.counterparty.name
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} if obj.counterparty else None
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def get_expence_type(self, obj):
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return {
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'id': obj.expence_type.id,
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'name': obj.expence_type.name
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} if obj.expence_type else None
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class ExpenceDeleteSerializer(serializers.Serializer):
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comment = serializers.CharField()
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class ExpenceUpdateSerializer(serializers.ModelSerializer):
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class Meta:
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model = Expence
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fields = [
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'project_folder', 'project', 'price', 'expence_type', 'counterparty',
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'date', 'comment', 'audit', 'file',
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]
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extra_kwargs = {
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'price': {'required': False},
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}
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def validate_price(self, value):
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if value and value < 0:
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raise serializers.ValidationError("Narxi manfiy bo'lishi mumkin emas")
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return value
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def update(self, instance, validated_data):
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with transaction.atomic():
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old_price = instance.price
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old_counterparty = instance.counterparty
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new_price = validated_data.get('price', instance.price)
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new_counterparty = validated_data.get('counterparty', instance.counterparty)
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currency = instance.currency.lower()
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instance.project_folder = validated_data.get('project_folder', instance.project_folder)
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instance.project = validated_data.get('project', instance.project)
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instance.price = new_price
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instance.expence_type = validated_data.get('expence_type', instance.expence_type)
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instance.counterparty = new_counterparty
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instance.date = validated_data.get('date', instance.date)
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instance.comment = validated_data.get('comment', instance.comment)
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instance.audit = validated_data.get('audit', instance.audit)
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instance.file = validated_data.get('file', instance.file)
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if validated_data.get('price') and old_price != new_price:
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price_difference = new_price - old_price
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cash_transaction = instance.cash_transaction
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payment_type = instance.payment_type
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if currency == 'uzs':
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cash_transaction.expence_balance_uzs += price_difference
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cash_transaction.total_balance_uzs = (
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cash_transaction.income_balance_uzs - cash_transaction.expence_balance_uzs
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)
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payment_type.total_uzs -= price_difference
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elif currency == 'usd':
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cash_transaction.expence_balance_usd += price_difference
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cash_transaction.total_balance_usd = (
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cash_transaction.income_balance_usd - cash_transaction.expence_balance_usd
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)
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payment_type.total_usd -= price_difference
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cash_transaction.save()
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payment_type.save()
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if new_counterparty != old_counterparty:
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if old_counterparty:
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if currency == 'uzs':
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if old_counterparty.debit_uzs > 0:
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old_counterparty.debit_uzs -= old_price
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old_counterparty.total_debit -= old_price
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else:
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old_counterparty.kredit_uzs += old_price
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old_counterparty.total_kredit += old_price
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else:
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if old_counterparty.debit_usd > 0:
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old_counterparty.debit_usd -= old_price
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old_counterparty.total_debit -= old_price
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else:
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old_counterparty.kredit_usd += old_price
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old_counterparty.total_kredit += old_price
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old_counterparty.save()
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if new_counterparty:
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if currency == 'uzs':
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if new_counterparty.kredit_uzs > 0:
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new_counterparty.kredit_uzs -= new_price
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new_counterparty.total_kredit -= new_price
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new_counterparty.debit_uzs += new_price
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new_counterparty.total_debit += new_price
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else:
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new_counterparty.debit_uzs += new_price
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new_counterparty.total_debit += new_price
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else:
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if new_counterparty.kredit_usd > 0:
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new_counterparty.kredit_usd -= new_price
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new_counterparty.total_kredit -= new_price
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new_counterparty.debit_usd += new_price
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new_counterparty.total_debit += new_price
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else:
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new_counterparty.debit_usd += new_price
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new_counterparty.total_debit += new_price
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new_counterparty.save()
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instance.save()
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return instance
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