Files
ibapp-backend/core/apps/finance/serializers/income.py
2025-11-01 08:45:57 +05:00

304 lines
12 KiB
Python

from django.db import transaction
from rest_framework import serializers
from core.apps.finance.models import Income
class IncomeListSerializer(serializers.ModelSerializer):
cash_transaction = serializers.SerializerMethodField(
method_name="get_cash_transaction"
)
payment_type = serializers.SerializerMethodField(method_name="get_payment_type")
project_folder = serializers.SerializerMethodField(method_name="get_project_folder")
project = serializers.SerializerMethodField(method_name="get_project")
counterparty = serializers.SerializerMethodField(method_name="get_counterparty")
type_income = serializers.SerializerMethodField(method_name="get_type_income")
user = serializers.SerializerMethodField(method_name="get_user")
class Meta:
model = Income
fields = [
"id",
"cash_transaction",
"payment_type",
"project_folder",
"project",
"counterparty",
"type_income",
"currency",
"price",
"exchange_rate",
"date",
"comment",
"file",
"audit",
"user",
"income_chat",
"created_at",
]
def get_cash_transaction(self, obj):
return {"id": obj.cash_transaction.id, "name": obj.cash_transaction.name}
def get_payment_type(self, obj):
return {"id": obj.payment_type.id, "name": obj.payment_type.name}
def get_project_folder(self, obj):
return (
{"id": obj.project_folder.id, "name": obj.project_folder.name}
if obj.project_folder
else None
)
def get_project(self, obj):
return {"id": obj.project.id, "name": obj.project.name} if obj.project else None
def get_counterparty(self, obj):
return (
{"id": obj.counterparty.id, "name": obj.counterparty.name}
if obj.counterparty
else None
)
def get_type_income(self, obj):
return (
{"id": obj.type_income.id, "name": obj.type_income.name}
if obj.type_income
else None
)
def get_user(self, obj):
return (
{
"id": obj.user.id,
"full_name": obj.user.full_name,
}
if obj.user
else None
)
class IncomeCreateSerializer(serializers.ModelSerializer):
class Meta:
model = Income
fields = [
"cash_transaction",
"payment_type",
"project_folder",
"project",
"counterparty",
"type_income",
"currency",
"price",
"exchange_rate",
"date",
"comment",
"file",
"audit",
]
def validate(self, data):
price = data.get('price')
exchange_rate = data.get('exchange_rate')
if price and price < 0:
raise serializers.ValidationError("Narxi manfiy bo'lishi mumkin emas")
if exchange_rate and exchange_rate < 0:
raise serializers.ValidationError("Kurs manfiy bo'lishi mumkin emas")
return data
def create(self, validated_data):
with transaction.atomic():
exchange_rate = validated_data.get("exchange_rate") or 1
final_price = validated_data.get("price")
income = Income.objects.create(
user=self.context.get("user"),
cash_transaction=validated_data["cash_transaction"],
payment_type=validated_data["payment_type"],
project_folder=validated_data.get("project_folder"),
project=validated_data.get("project"),
counterparty=validated_data.get("counterparty"),
type_income=validated_data.get("type_income"),
currency=validated_data.get("currency"),
price=final_price,
exchange_rate=exchange_rate,
date=validated_data.get("date"),
comment=validated_data.get("comment"),
file=validated_data.get("file"),
audit=validated_data.get("audit"),
)
cash_transaction = income.cash_transaction
payment_type = income.payment_type
currency = validated_data.get("currency", "uzs").lower()
if currency == "uzs":
cash_transaction.income_balance_uzs += income.price
cash_transaction.total_balance_uzs = (
cash_transaction.income_balance_uzs
- cash_transaction.expence_balance_uzs
)
payment_type.total_uzs += income.price
if income.counterparty:
if income.counterparty.debit_uzs > 0:
income.counterparty.debit_uzs -= income.price
income.counterparty.total_debit -= income.price
income.counterparty.kredit_uzs += income.price
income.counterparty.total_kredit += income.price
else:
income.counterparty.kredit_uzs += income.price
income.counterparty.total_kredit += income.price
income.counterparty.save()
elif currency == "usd":
cash_transaction.income_balance_usd += income.price
cash_transaction.total_balance_usd = (
cash_transaction.income_balance_usd
- cash_transaction.expence_balance_usd
)
payment_type.total_usd += income.price
if income.counterparty:
if income.counterparty.debit_usd > 0:
income.counterparty.debit_usd -= income.price
income.counterparty.total_debit -= income.price
income.counterparty.kredit_usd += income.price
income.counterparty.total_kredit += income.price
else:
income.counterparty.kredit_usd += income.price
income.counterparty.total_kredit += income.price
income.counterparty.save()
cash_transaction.save()
payment_type.save()
return income
class IncomeDeleteSerializer(serializers.Serializer):
comment = serializers.CharField()
class IncomeUpdateSerializer(serializers.ModelSerializer):
class Meta:
model = Income
fields = [
"project_folder",
"project",
"price",
"type_income",
"counterparty",
"date",
"comment",
"audit",
"file",
]
extra_kwargs = {
"price": {"required": False},
}
def validate_price(self, value):
"""Narxi manfiy bo'lmasligi tekshiruvi"""
if value and value < 0:
raise serializers.ValidationError("Narxi manfiy bo'lishi mumkin emas")
return value
def update(self, instance, validated_data):
with transaction.atomic():
old_price = instance.price
old_counterparty = instance.counterparty
new_price = validated_data.get("price", instance.price)
new_counterparty = validated_data.get("counterparty", instance.counterparty)
currency = instance.currency.lower()
instance.project_folder = validated_data.get(
"project_folder", instance.project_folder
)
instance.project = validated_data.get("project", instance.project)
instance.price = new_price
instance.type_income = validated_data.get("type_income", instance.type_income)
instance.counterparty = new_counterparty
instance.date = validated_data.get("date", instance.date)
instance.comment = validated_data.get("comment", instance.comment)
instance.audit = validated_data.get("audit", instance.audit)
instance.file = validated_data.get("file", instance.file)
if validated_data.get("price") and old_price != new_price:
price_difference = new_price - old_price
cash_transaction = instance.cash_transaction
payment_type = instance.payment_type
if currency == "uzs":
cash_transaction.income_balance_uzs += price_difference
cash_transaction.total_balance_uzs = (
cash_transaction.income_balance_uzs
- cash_transaction.expence_balance_uzs
)
payment_type.total_uzs += price_difference
elif currency == "usd":
cash_transaction.income_balance_usd += price_difference
cash_transaction.total_balance_usd = (
cash_transaction.income_balance_usd
- cash_transaction.expence_balance_usd
)
payment_type.total_usd += price_difference
cash_transaction.save()
payment_type.save()
if new_counterparty != old_counterparty:
if old_counterparty:
if currency == "uzs":
if old_counterparty.kredit_uzs > 0:
old_counterparty.kredit_uzs -= old_price
old_counterparty.total_kredit -= old_price
else:
old_counterparty.debit_uzs += old_price
old_counterparty.total_debit += old_price
else:
if old_counterparty.kredit_usd > 0:
old_counterparty.kredit_usd -= old_price
old_counterparty.total_kredit -= old_price
else:
old_counterparty.debit_usd += old_price
old_counterparty.total_debit += old_price
old_counterparty.save()
if new_counterparty:
if currency == "uzs":
if new_counterparty.debit_uzs > 0:
new_counterparty.debit_uzs -= new_price
new_counterparty.total_debit -= new_price
new_counterparty.kredit_uzs += new_price
new_counterparty.total_kredit += new_price
else:
new_counterparty.kredit_uzs += new_price
new_counterparty.total_kredit += new_price
else:
if new_counterparty.debit_usd > 0:
new_counterparty.debit_usd -= new_price
new_counterparty.total_debit -= new_price
new_counterparty.kredit_usd += new_price
new_counterparty.total_kredit += new_price
else:
new_counterparty.kredit_usd += new_price
new_counterparty.total_kredit += new_price
new_counterparty.save()
instance.save()
return instance