haikal/inventory/signals.py
2024-12-23 14:38:14 +00:00

318 lines
11 KiB
Python

from random import randint
from django.db.models.signals import post_save, post_delete, pre_delete
from django.dispatch import receiver
from django_ledger.models import (
EntityModel,
VendorModel,
CustomerModel,
UnitOfMeasureModel,
AccountModel,
ItemModelAbstract,
ItemModel
)
from django.contrib.auth import get_user_model
from django.utils.translation import gettext_lazy as _
from . import models
# @receiver(post_save, sender=models.SaleQuotation)
# def link_quotation_to_entity(sender, instance, created, **kwargs):
# if created:
# # Get the corresponding Django Ledger entity for the dealer
# entity = EntityModel.objects.get(name=instance.dealer.get_root_dealer.name)
# instance.entity = entity
# instance.save()
# @receiver(pre_delete, sender=models.Dealer)
# def remove_user_account(sender, instance, **kwargs):
# user = instance.user
# if user:
# user.delete()
User = get_user_model()
@receiver(post_save, sender=User)
def create_user_profile(sender, instance, created, **kwargs):
if created:
dealer = models.Dealer.objects.create(user=instance, name=instance.username)
# dealer.user.set_password("Tenhal@123")
dealer.save()
@receiver(post_save, sender=models.Car)
def create_product_for_car(sender, instance, created, **kwargs):
if created:
entity = EntityModel.objects.get(name=instance.dealer.get_root_dealer.name)
product_model = entity.create_item_product(
name=f"{instance.year} {instance.id_car_make} {instance.id_car_model} {instance.id_car_trim}",
uom_model=entity.get_uom_all().first(),
item_type=ItemModel.ITEM_TYPE_OTHER,
coa_model=entity.get_default_coa(),
)
print(f"Created product: {product_model.name}")
@receiver(post_save, sender=models.CarFinance)
def update_product_default_value(sender, instance, **kwargs):
# Get the associated car
car = instance.car
# Get the entity associated with the dealer
entity = EntityModel.objects.get(name=car.dealer.get_root_dealer.name) # Assuming the dealer's name matches the entity name
# Get the product in Django Ledger associated with the car
items_products = entity.get_items_products()
try:
product_model = items_products.get(
name=f"{car.year} {car.id_car_make} {car.id_car_model} {car.id_car_trim}"
)
except ItemModel.DoesNotExist:
print(f"Product for car {car} does not exist in Django Ledger.")
return
# Update the default value per unit of measure for the product
product_model.default_amount = instance.selling_price
product_model.save()
print(f"Updated product {product_model.name} with default value: {product_model.default_amount}")
@receiver(post_save, sender=models.Car)
def create_car_location(sender, instance, created, **kwargs):
"""
Signal to create or update the car's location when a car instance is saved.
"""
try:
if created:
if instance.dealer is None:
raise ValueError(
f"Cannot create CarLocation for car {instance.vin}: dealer is missing."
)
models.CarLocation.objects.create(
car=instance,
owner=instance.dealer,
showroom=instance.dealer,
description=f"Initial location set for car {instance.vin}.",
)
print("Car Location created")
except Exception as e:
print(f"Failed to create CarLocation for car {instance.vin}: {e}")
@receiver(post_save, sender=models.CarReservation)
def update_car_status_on_reservation(sender, instance, created, **kwargs):
if created:
car = instance.car
car.status = models.CarStatusChoices.RESERVED
car.save()
@receiver(post_delete, sender=models.CarReservation)
def update_car_status_on_reservation_delete(sender, instance, **kwargs):
car = instance.car
if not car.is_reserved():
car.status = models.CarStatusChoices.AVAILABLE
car.save()
# Create Entity
@receiver(post_save, sender=models.Dealer)
def create_ledger_entity(sender, instance, created, **kwargs):
if created:
# Group.objects.get(name=instance.dealer_type.lower()).user_set.add(instance.user)
try:
entity, created = EntityModel.objects.get_or_create(
name=instance.get_root_dealer.name,
admin=instance.get_root_dealer.user,
# address_1=instance.address,
accrual_method=False,
fy_start_month=1,
depth=0,
)
if created:
default_coa = entity.create_chart_of_accounts(
assign_as_default=True, commit=True, coa_name=_("Chart of Accounts")
)
if default_coa:
entity.populate_default_coa(
activate_accounts=True, coa_model=default_coa
)
print(f"Ledger entity created for Dealer: {instance.name}")
entity.create_account(
coa_model=default_coa,
code="10100",
role='asset_ca_cash',
name=_('Cash'),
balance_type="debit",
)
entity.create_account(
coa_model=default_coa,
code="11000",
role='asset_ca_recv',
name=_('Accounts Receivable'),
balance_type="debit",
)
entity.create_account(
coa_model=default_coa,
code="12000",
role='asset_ca_inv',
name=_('Inventory'),
balance_type="debit",
active=True)
entity.create_account(
coa_model=default_coa,
code="20100",
role='lia_cl_acc_payable',
name=_('Accounts Payable'),
balance_type="credit",
active=True)
entity.create_account(
coa_model=default_coa,
code="40100",
role='in_operational',
name=_('Sales Income'),
balance_type="credit",
active=True)
entity.create_account(
coa_model=default_coa,
code="50100",
role='cogs_regular',
name=_('Cost of Goods Sold'),
balance_type="debit",
active=True)
except Exception as e:
print(f"Failed to create Ledger entity for Dealer: {instance.name}. Error: {e}")
# entity = EntityModel.objects.filter(name=instance.dealer.name).first()
#
# uom_name = _("Unit")
# unit_abbr = _("U")
#
# entity.create_uom(uom_name, unit_abbr)
# Create Vendor
@receiver(post_save, sender=models.Vendor)
def create_ledger_vendor(sender, instance, created, **kwargs):
if created:
entity = EntityModel.objects.filter(name=instance.dealer.name).first()
entity.create_vendor(
vendor_name=instance.name,
vendor_number=instance.crn,
address_1=instance.address,
phone=instance.phone_number,
tax_id_number=instance.vrn,
active=True,
hidden=False,
additional_info={
"arabic_name": instance.arabic_name,
"contact_person": instance.contact_person,
},
)
print(f"VendorModel created for Vendor: {instance.name}")
@receiver(post_save, sender=models.Customer)
def create_customer(sender, instance, created, **kwargs):
if created:
entity = EntityModel.objects.filter(
name=instance.dealer.get_root_dealer.name
).first()
name = f"{instance.first_name} {instance.middle_name} {instance.last_name}"
entity.create_customer(
customer_model_kwargs={
"customer_name": name,
"address_1": instance.address,
"phone": instance.phone_number,
"email": instance.email,
"sales_tax_rate": 0.15,
"active": True,
"hidden": False,
"additional_info": {},
}
)
print(f"Customer created: {name}")
# Create Item
# @receiver(post_save, sender=models.Car)
# def create_item_model(sender, instance, created, **kwargs):
# item_name = f"{instance.year} - {instance.id_car_make} - {instance.id_car_model} - {instance.id_car_trim}"
# uom_name = _("Car")
# unit_abbr = _("C")
#
# uom, uom_created = UnitOfMeasureModel.objects.get_or_create(
# name=uom_name,
# unit_abbr=unit_abbr
# )
#
# if uom_created:
# print(f"UOM created: {uom_name}")
# else:
# print(f"Using existing UOM: {uom_name}")
#
# entity = EntityModel.objects.filter(name=instance.dealer.name).first()
#
# inventory_account = AccountModel.objects.first()
# cogs_account = AccountModel.objects.first()
# earnings_account = AccountModel.objects.first()
#
# entity.create_item_product(
# item_name=item_name,
# item_role=ItemModelAbstract.ITEM_ROLE_PRODUCT,
# item_type=ItemModelAbstract.ITEM_TYPE_MATERIAL,
# item_id=instance.vin,
# sold_as_unit=True,
# inventory_received=1.00,
# inventory_received_value=0.00,
# inventory_account=inventory_account,
# for_inventory=True,)
#
# item = ItemModel.objects.create(
# entity=entity,
# uom=uom,
# name=item_name,
# item_role=ItemModelAbstract.ITEM_ROLE_INVENTORY,
# item_type=ItemModelAbstract.ITEM_TYPE_MATERIAL,
# item_id=instance.vin,
# sold_as_unit=True,
# inventory_received=1.00,
# inventory_received_value=0.00,
# inventory_account=inventory_account,
# for_inventory=True,
# is_product_or_service=True,
# cogs_account=cogs_account,
# earnings_account=earnings_account,
# is_active=True,
# additional_info={
# "remarks": instance.remarks,
# "status": instance.status,
# "stock_type": instance.stock_type,
# "mileage": instance.mileage,
# },
# )
#
# print(f"ItemModel {'created' if created else 'updated'} for Car: {item.name}")
#
#
# # update price - CarFinance
# @receiver(post_save, sender=CarFinance)
# def update_item_model_cost(sender, instance, created, **kwargs):
#
# ItemModel.objects.filter(item_id=instance.car.vin).update(
# inventory_received_value=instance.cost_price,
# default_amount=instance.cost_price,
# )
# print(f"Inventory item updated with CarFinance data for Car: {instance.car}")