Tax Exemption Declaration - update fields, move generic methods to utils

This commit is contained in:
Ranjith 2018-05-30 20:50:48 +05:30
parent 806cd93791
commit 793f8e8caa
4 changed files with 75 additions and 65 deletions

View File

@ -61,14 +61,14 @@ frappe.ui.form.on('Employee Tax Exemption Declaration', {
}
},
monthly_house_rent: function(frm) {
frm.trigger("calculate_hra_component");
frm.trigger("calculate_hra_exemption");
},
rented_in_metro_city: function(frm) {
frm.trigger("calculate_hra_component");
frm.trigger("calculate_hra_exemption");
},
calculate_hra_component: function(frm) {
calculate_hra_exemption: function(frm) {
frappe.call({
method: "calculate_hra_component",
method: "calculate_hra_exemption",
doc: frm.doc,
callback: function(r) {
frm.refresh_fields();

View File

@ -474,7 +474,7 @@
"bold": 0,
"collapsible": 0,
"columns": 0,
"fieldname": "annual_hra",
"fieldname": "annual_hra_exemption",
"fieldtype": "Currency",
"hidden": 0,
"ignore_user_permissions": 0,
@ -483,7 +483,7 @@
"in_global_search": 0,
"in_list_view": 0,
"in_standard_filter": 0,
"label": "Annual HRA",
"label": "Annual HRA Exemption",
"length": 0,
"no_copy": 0,
"permlevel": 0,
@ -506,7 +506,7 @@
"bold": 0,
"collapsible": 0,
"columns": 0,
"fieldname": "monthly_hra",
"fieldname": "monthly_hra_exemption",
"fieldtype": "Currency",
"hidden": 0,
"ignore_user_permissions": 0,
@ -515,7 +515,7 @@
"in_global_search": 0,
"in_list_view": 0,
"in_standard_filter": 0,
"label": "Monthly HRA",
"label": "Monthly HRA Exemption",
"length": 0,
"no_copy": 0,
"permlevel": 0,
@ -542,7 +542,7 @@
"issingle": 0,
"istable": 0,
"max_attachments": 0,
"modified": "2018-05-30 13:35:08.941961",
"modified": "2018-05-30 18:09:50.662362",
"modified_by": "Administrator",
"module": "HR",
"name": "Employee Tax Exemption Declaration",

View File

@ -6,19 +6,18 @@ from __future__ import unicode_literals
import frappe
from frappe.model.document import Document
from frappe import _
from frappe.utils import getdate, flt
from erpnext.hr.utils import validate_tax_declaration, get_salary_assignment
from erpnext.hr.doctype.salary_structure.salary_structure import make_salary_slip
from frappe.utils import getdate
from erpnext.hr.utils import validate_tax_declaration, calculate_eligible_hra_exemption
class EmployeeTaxExemptionDeclaration(Document):
def validate(self):
validate_tax_declaration(self.declarations)
self.calculate_hra_component()
self.calculate_hra_exemption()
self.total_exemption_amount = 0
for item in self.declarations:
self.total_exemption_amount += item.amount
if self.annual_hra:
self.total_exemption_amount += self.annual_hra
if self.annual_hra_exemption:
self.total_exemption_amount += self.annual_hra_exemption
def before_submit(self):
if frappe.db.exists({"doctype": "Employee Tax Exemption Declaration",
@ -28,52 +27,9 @@ class EmployeeTaxExemptionDeclaration(Document):
frappe.throw(_("Tax Declaration of {0} for period {1} already submitted.")\
.format(self.employee, self.payroll_period), frappe.DocstatusTransitionError)
def calculate_hra_component(self):
hra_component = frappe.db.get_value("Company", self.company, "hra_component")
if hra_component:
assignment = get_salary_assignment(self.employee, getdate())
if assignment and frappe.db.exists("Salary Detail", {
"parent": assignment.salary_structure,
"salary_component": hra_component, "parentfield": "earnings"}):
hra_amount = self.get_hra_from_salary_slip(assignment.salary_structure, hra_component)
if hra_amount:
self.salary_structure_hra = hra_amount
if self.monthly_house_rent:
self.annual_hra, self.monthly_hra = 0, 0
annual_hra = self.calculate_eligible_hra_amount(assignment.salary_structure, assignment.base)
if annual_hra > 0:
self.annual_hra = annual_hra
self.monthly_hra = annual_hra / 12
def calculate_eligible_hra_amount(self, salary_structure, base):
# TODO make this configurable
exemptions = []
frequency = frappe.get_value("Salary Structure", salary_structure, "payroll_frequency")
# case 1: The actual amount allotted by the employer as the HRA.
exemptions.append(self.get_annual_component_pay(frequency, self.salary_structure_hra))
actual_annual_rent = self.monthly_house_rent * 12
annual_base = self.get_annual_component_pay(frequency, base)
# case 2: Actual rent paid less 10% of the basic salary.
exemptions.append(flt(actual_annual_rent) - flt(annual_base * 0.1))
# case 3: 50% of the basic salary, if the employee is staying in a metro city (40% for a non-metro city).
exemptions.append(annual_base * 0.5 if self.rented_in_metro_city else annual_base * 0.4)
# return minimum of 3 cases
return min(exemptions)
def get_annual_component_pay(self, frequency, amount):
if frequency == "Daily":
return amount * 365
elif frequency == "Weekly":
return amount * 52
elif frequency == "Fortnightly":
return amount * 26
elif frequency == "Monthly":
return amount * 12
elif frequency == "Bimonthly":
return amount * 6
def get_hra_from_salary_slip(self, salary_structure, hra_component):
salary_slip = make_salary_slip(salary_structure, employee=self.employee)
for earning in salary_slip.earnings:
if earning.salary_component == hra_component:
return earning.amount
def calculate_hra_exemption(self):
exemptions = calculate_eligible_hra_exemption(self.company, self.employee, \
self.monthly_house_rent, self.rented_in_metro_city)
self.salary_structure_hra = exemptions["hra_amount"]
self.annual_hra_exemption = exemptions["annual_exemption"]
self.monthly_hra_exemption = exemptions["monthly_exemption"]

View File

@ -4,9 +4,10 @@
from __future__ import unicode_literals
import frappe
from frappe import _
from frappe.utils import formatdate, format_datetime, getdate, get_datetime, nowdate
from frappe.utils import formatdate, format_datetime, getdate, get_datetime, nowdate, flt
from frappe.model.document import Document
from frappe.desk.form import assign_to
from erpnext.hr.doctype.salary_structure.salary_structure import make_salary_slip
class EmployeeBoardingController(Document):
'''
@ -254,3 +255,56 @@ def get_salary_assignment(employee, date):
'on_date': date,
}, as_dict=1)
return assignment[0] if assignment else None
def calculate_eligible_hra_exemption(company, employee, monthly_house_rent, rented_in_metro_city):
hra_component = frappe.db.get_value("Company", company, "hra_component")
annual_exemption, monthly_exemption, hra_amount = 0, 0, 0
if hra_component:
assignment = get_salary_assignment(employee, getdate())
if assignment and frappe.db.exists("Salary Detail", {
"parent": assignment.salary_structure,
"salary_component": hra_component, "parentfield": "earnings"}):
hra_amount = get_hra_from_salary_slip(employee, assignment.salary_structure, hra_component)
if hra_amount:
if monthly_house_rent:
annual_exemption = calculate_hra_exemption(assignment.salary_structure,
assignment.base, hra_amount, monthly_house_rent,
rented_in_metro_city)
if annual_exemption > 0:
monthly_exemption = annual_exemption / 12
else:
annual_exemption = 0
return {"hra_amount": hra_amount, "annual_exemption": annual_exemption, "monthly_exemption": monthly_exemption}
def get_hra_from_salary_slip(employee, salary_structure, hra_component):
salary_slip = make_salary_slip(salary_structure, employee=employee)
for earning in salary_slip.earnings:
if earning.salary_component == hra_component:
return earning.amount
def calculate_hra_exemption(salary_structure, base, monthly_hra, monthly_house_rent, rented_in_metro_city):
# TODO make this configurable
exemptions = []
frequency = frappe.get_value("Salary Structure", salary_structure, "payroll_frequency")
# case 1: The actual amount allotted by the employer as the HRA.
exemptions.append(get_annual_component_pay(frequency, monthly_hra))
actual_annual_rent = monthly_house_rent * 12
annual_base = get_annual_component_pay(frequency, base)
# case 2: Actual rent paid less 10% of the basic salary.
exemptions.append(flt(actual_annual_rent) - flt(annual_base * 0.1))
# case 3: 50% of the basic salary, if the employee is staying in a metro city (40% for a non-metro city).
exemptions.append(annual_base * 0.5 if rented_in_metro_city else annual_base * 0.4)
# return minimum of 3 cases
return min(exemptions)
def get_annual_component_pay(frequency, amount):
if frequency == "Daily":
return amount * 365
elif frequency == "Weekly":
return amount * 52
elif frequency == "Fortnightly":
return amount * 26
elif frequency == "Monthly":
return amount * 12
elif frequency == "Bimonthly":
return amount * 6