497 lines
18 KiB
Python
497 lines
18 KiB
Python
from django.db.models.signals import post_save, post_delete, pre_delete, pre_save
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from django.dispatch import receiver
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from django.utils.translation import gettext_lazy as _
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from django.contrib.auth import get_user_model
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from django_ledger.io import roles
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from django_ledger.models import (
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EntityModel,
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AccountModel,
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ItemModel,
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ItemModelAbstract,
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UnitOfMeasureModel,
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VendorModel,
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)
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from . import models
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from .models import OpportunityLog
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User = get_user_model()
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# @receiver(post_save, sender=models.SaleQuotation)
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# def link_quotation_to_entity(sender, instance, created, **kwargs):
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# if created:
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# # Get the corresponding Django Ledger entity for the dealer
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# entity = EntityModel.objects.get(name=instance.dealer.get_root_dealer.name)
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# instance.entity = entity
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# instance.save()
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# @receiver(pre_delete, sender=models.Dealer)
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# def remove_user_account(sender, instance, **kwargs):
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# user = instance.user
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# if user:
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# user.delete()
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#
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# @receiver(post_save, sender=User)
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# def create_dealer(instance, created, *args, **kwargs):
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# if created:
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# if not instance.dealer:
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#
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# models.Dealer.objects.create(user=instance,name=instance.username,email=instance.email)
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#
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# @receiver(post_save, sender=models.Dealer)
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# def create_user_account(sender, instance, created, **kwargs):
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# if created:
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# if instance.dealer_type != "Owner":
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# user = User.objects.create_user(
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# username=instance.name,
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# email=instance.email,
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# )
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# user.set_password("Tenhal@123")
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# user.save()
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# instance.user = user
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# instance.save()
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# check with marwan
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@receiver(post_save, sender=models.Car)
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def create_car_location(sender, instance, created, **kwargs):
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"""
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Signal to create or update the car's location when a car instance is saved.
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"""
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try:
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if created:
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if instance.dealer is None:
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raise ValueError(
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f"Cannot create CarLocation for car {instance.vin}: dealer is missing."
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)
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models.CarLocation.objects.create(
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car=instance,
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owner=instance.dealer,
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showroom=instance.dealer,
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description=f"Initial location set for car {instance.vin}.",
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)
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print("Car Location created")
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except Exception as e:
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print(f"Failed to create CarLocation for car {instance.vin}: {e}")
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# Create Entity
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@receiver(post_save, sender=models.Dealer)
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def create_ledger_entity(sender, instance, created, **kwargs):
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if created:
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entity_name = instance.user.dealer.name
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entity = EntityModel.create_entity(
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name=entity_name,
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admin=instance.user,
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use_accrual_method=False,
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fy_start_month=1,
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)
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if entity:
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instance.entity = entity
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instance.save()
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coa = entity.create_chart_of_accounts(
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assign_as_default=True, commit=True, coa_name=_(f"{entity_name}-COA")
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)
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if coa:
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# Create unit of measures
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entity.create_uom(name="Unit", unit_abbr="unit")
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for u in models.UnitOfMeasure.choices:
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entity.create_uom(name=u[1], unit_abbr=u[0])
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# Cash Account
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asset_ca_cash = entity.create_account(
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coa_model=coa,
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code="1010",
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role=roles.ASSET_CA_CASH,
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name=_("Cash"),
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balance_type="debit",
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active=True,
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)
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asset_ca_cash.role_default = True
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asset_ca_cash.save()
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# Accounts Receivable Account
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asset_ca_receivables = entity.create_account(
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coa_model=coa,
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code="1102",
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role=roles.ASSET_CA_RECEIVABLES,
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name=_("Accounts Receivable"),
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balance_type="debit",
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active=True,
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)
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asset_ca_receivables.role_default = True
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asset_ca_receivables.save()
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# Inventory Account
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asset_ca_inventory = entity.create_account(
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coa_model=coa,
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code="1103",
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role=roles.ASSET_CA_INVENTORY,
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name=_("Inventory"),
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balance_type="debit",
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active=True,
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)
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asset_ca_inventory.role_default = True
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asset_ca_inventory.save()
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# Prepaid Expenses Account
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asset_ca_prepaid = entity.create_account(
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coa_model=coa,
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code="1104",
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role=roles.ASSET_CA_PREPAID,
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name=_("Prepaid Expenses"),
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balance_type="debit",
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active=True,
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)
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asset_ca_prepaid.role_default = True
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asset_ca_prepaid.save()
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# Notes Receivable Account
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asset_lti_notes_receivable = entity.create_account(
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coa_model=coa,
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code="1201",
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role=roles.ASSET_LTI_NOTES_RECEIVABLE,
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name=_("Notes Receivable"),
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balance_type="debit",
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active=True,
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)
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asset_lti_notes_receivable.role_default = True
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asset_lti_notes_receivable.save()
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# Land Account
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asset_lti_land = entity.create_account(
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coa_model=coa,
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code="1202",
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role=roles.ASSET_LTI_LAND,
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name=_("Land"),
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balance_type="debit",
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active=True,
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)
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asset_lti_land.role_default = True
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asset_lti_land.save()
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# Buildings Account
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asset_ppe_buildings = entity.create_account(
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coa_model=coa,
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code="1301",
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role=roles.ASSET_PPE_BUILDINGS,
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name=_("Buildings"),
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balance_type="debit",
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active=True,
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)
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asset_ppe_buildings.role_default = True
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asset_ppe_buildings.save()
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# Buildings Accumulated Depreciation Account
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asset_ppe_buildings_accum_depreciation = entity.create_account(
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coa_model=coa,
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code="1302",
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role=roles.ASSET_PPE_BUILDINGS_ACCUM_DEPRECIATION,
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name=_("Buildings - Accum. Depreciation"),
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balance_type="credit",
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active=True,
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)
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asset_ppe_buildings_accum_depreciation.role_default = True
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asset_ppe_buildings_accum_depreciation.save()
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# Accounts Payable Account
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liability_cl_acc_payable = entity.create_account(
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coa_model=coa,
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code="2101",
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role=roles.LIABILITY_CL_ACC_PAYABLE,
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name=_("Accounts Payable"),
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balance_type="credit",
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active=True,
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)
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liability_cl_acc_payable.role_default = True
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liability_cl_acc_payable.save()
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# Deferred Revenue Account
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liability_cl_def_rev = entity.create_account(
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coa_model=coa,
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code="2103",
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role=roles.LIABILITY_CL_DEFERRED_REVENUE,
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name=_("Deferred Revenue"),
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balance_type="credit",
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active=True,
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)
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liability_cl_def_rev.role_default = True
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liability_cl_def_rev.save()
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# Wages Payable Account
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liability_cl_wages_payable = entity.create_account(
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coa_model=coa,
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code="2102",
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role=roles.LIABILITY_CL_WAGES_PAYABLE,
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name=_("Wages Payable"),
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balance_type="credit",
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active=True,
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)
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liability_cl_wages_payable.role_default = True
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liability_cl_wages_payable.save()
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# Long-Term Notes Payable Account
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liability_ltl_notes_payable = entity.create_account(
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coa_model=coa,
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code="2201",
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role=roles.LIABILITY_LTL_NOTES_PAYABLE,
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name=_("Long-Term Notes Payable"),
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balance_type="credit",
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active=True,
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)
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liability_ltl_notes_payable.role_default = True
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liability_ltl_notes_payable.save()
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# Mortgage Payable Account
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liability_ltl_mortgage_payable = entity.create_account(
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coa_model=coa,
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code="2202",
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role=roles.LIABILITY_LTL_MORTGAGE_PAYABLE,
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name=_("Mortgage Payable"),
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balance_type="credit",
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active=True,
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)
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liability_ltl_mortgage_payable.role_default = True
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liability_ltl_mortgage_payable.save()
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# Common Stock Account
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equity_common_stock = entity.create_account(
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coa_model=coa,
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code="3101",
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role=roles.EQUITY_COMMON_STOCK,
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name=_("Common Stock"),
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balance_type="credit",
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active=True,
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)
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equity_common_stock.role_default = True
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equity_common_stock.save()
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# Retained Earnings Account
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equity_retained_earnings = entity.create_account(
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coa_model=coa,
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code="3102",
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role=roles.EQUITY_ADJUSTMENT,
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name=_("Retained Earnings"),
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balance_type="credit",
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active=True,
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)
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equity_retained_earnings.role_default = True
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equity_retained_earnings.save()
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# Sales Revenue Account
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income_operational = entity.create_account(
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coa_model=coa,
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code="4101",
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role=roles.INCOME_OPERATIONAL,
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name=_("Sales Revenue"),
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balance_type="credit",
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active=True,
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)
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income_operational.role_default = True
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income_operational.save()
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# Interest Income Account
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income_interest = entity.create_account(
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coa_model=coa,
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code="4102",
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role=roles.INCOME_INTEREST,
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name=_("Interest Income"),
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balance_type="credit",
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active=True,
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)
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income_interest.role_default = True
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income_interest.save()
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# Cost of Goods Sold (COGS) Account
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expense_cogs = entity.create_account(
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coa_model=coa,
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code="5101",
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role=roles.COGS,
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name=_("Cost of Goods Sold"),
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balance_type="debit",
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active=True,
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)
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expense_cogs.role_default = True
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expense_cogs.save()
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# Rent Expense Account
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expense_rent = entity.create_account(
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coa_model=coa,
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code="6102",
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role=roles.EXPENSE_OPERATIONAL,
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name=_("Rent Expense"),
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balance_type="debit",
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active=True,
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)
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expense_rent.role_default = True
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expense_rent.save()
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# Create Vendor
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@receiver(post_save, sender=models.Vendor)
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def create_ledger_vendor(sender, instance, created, **kwargs):
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if created:
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entity = EntityModel.objects.filter(name=instance.dealer.name).first()
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entity.create_vendor(
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vendor_model_kwargs={
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"vendor_name": instance.name,
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"vendor_number": instance.crn,
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"address_1": instance.address,
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"phone": instance.phone_number,
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"tax_id_number": instance.vrn,
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"active": True,
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"hidden": False,
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"additional_info": {
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"arabic_name": instance.arabic_name,
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"contact_person": instance.contact_person,
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},
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}
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)
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print(f"VendorModel created for Vendor: {instance.name}")
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@receiver(post_save, sender=models.Customer)
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def create_customer(sender, instance, created, **kwargs):
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if created:
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dealer = instance.dealer
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entity = dealer.entity
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name = f"{instance.first_name} {instance.middle_name} {instance.last_name}"
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if entity:
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entity.create_customer(
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customer_model_kwargs={
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"customer_name": name,
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"address_1": instance.address,
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"phone": instance.phone_number,
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"email": instance.email,
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"sales_tax_rate": 0.15,
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"active": True,
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"hidden": False,
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"additional_info": {},
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}
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)
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print(f"Customer created: {name}")
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# Create Item
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@receiver(post_save, sender=models.Car)
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def create_item_model(sender, instance, created, **kwargs):
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name = instance.dealer.name
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entity = EntityModel.objects.filter(name=name).first()
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if created:
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coa = entity.get_default_coa()
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uom = entity.get_uom_all().get(name="Unit")
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if not entity.get_items_all().filter(name=instance.vin).first():
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entity.create_item_product(
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name=f"{instance.vin}",
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item_type=ItemModel.ITEM_TYPE_MATERIAL,
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uom_model=uom,
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coa_model=coa,
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)
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entity.create_item_inventory(
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name=f"{instance.vin}",
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item_type=ItemModel.ITEM_TYPE_MATERIAL,
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uom_model=uom,
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coa_model=coa,
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)
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# # update price - CarFinance
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@receiver(post_save, sender=models.CarFinance)
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def update_item_model_cost(sender, instance, created, **kwargs):
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ItemModel.objects.filter(item_id=instance.car.vin).update(
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inventory_received_value=instance.cost_price,
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default_amount=instance.cost_price,
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)
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print(f"Inventory item updated with CarFinance data for Car: {instance.car}")
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# @receiver(pre_save, sender=models.SaleQuotation)
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# def update_quotation_status(sender, instance, **kwargs):
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# if instance.valid_until and timezone.now() > instance.valid_until:
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# instance.status = 'expired'
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# # instance.total_price = instance.calculate_total_price()
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#
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#
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# @receiver(post_save, sender=models.Payment)
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# def update_status_on_payment(sender, instance, created, **kwargs):
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# if created:
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# quotation = instance.sale_quotation
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# total_payments = sum(payment.amount for payment in quotation.payments.all())
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# if total_payments >= quotation.amount:
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# quotation.status = 'completed'
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# # SalesInvoice.objects.create(sales_order=order)
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# elif total_payments > 0:
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# quotation.status = 'partially_paid'
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# else:
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# quotation.status = 'pending'
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# quotation.save()
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@receiver(post_save, sender=models.Opportunity)
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def notify_staff_on_deal_status_change(sender, instance, **kwargs):
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if instance.pk:
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previous = models.Opportunity.objects.get(pk=instance.pk)
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if previous.deal_status != instance.deal_status:
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message = f"Deal '{instance.deal_name}' status changed from {previous.deal_status} to {instance.deal_status}."
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models.Notification.objects.create(
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staff=instance.created_by, message=message
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)
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@receiver(post_save, sender=models.Opportunity)
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def log_opportunity_creation(sender, instance, created, **kwargs):
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if created:
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models.OpportunityLog.objects.create(
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opportunity=instance,
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action="create",
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user=instance.created_by,
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details=f"Opportunity '{instance.deal_name}' was created.",
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)
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@receiver(pre_save, sender=models.Opportunity)
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def log_opportunity_update(sender, instance, **kwargs):
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if instance.pk:
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previous = models.Opportunity.objects.get(pk=instance.pk)
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if previous.deal_status != instance.deal_status:
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models.OpportunityLog.objects.create(
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opportunity=instance,
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action="status_change",
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user=instance.created_by,
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old_status=previous.deal_status,
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new_status=instance.deal_status,
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details=f"Status changed from {previous.deal_status} to {instance.deal_status}.",
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)
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else:
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models.OpportunityLog.objects.create(
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opportunity=instance,
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action="update",
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user=instance.created_by,
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details=f"Opportunity '{instance.deal_name}' was updated.",
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)
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@receiver(post_save, sender=models.AdditionalServices)
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def create_item_service(sender, instance, created, **kwargs):
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if created:
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entity = instance.dealer.entity
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uom = entity.get_uom_all().get(unit_abbr=instance.uom)
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cogs = entity.get_all_accounts().get(role=roles.COGS)
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service_model = ItemModel.objects.create(
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name=instance.name,
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uom=uom,
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default_amount=instance.price,
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entity=entity,
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is_product_or_service=True,
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sold_as_unit=True,
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is_active=True,
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item_role="service",
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for_inventory=False,
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cogs_account=cogs,
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)
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instance.item = service_model
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instance.save()
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