Spaces:
Sleeping
Sleeping
File size: 10,381 Bytes
95bad29 b398e78 95bad29 b398e78 95bad29 b398e78 9490fc6 95bad29 b398e78 95bad29 b398e78 95bad29 b398e78 9490fc6 b398e78 95bad29 b398e78 95bad29 9490fc6 95bad29 b398e78 95bad29 9490fc6 95bad29 b398e78 95bad29 9490fc6 95bad29 b398e78 95bad29 9490fc6 95bad29 b398e78 95bad29 b398e78 95bad29 b398e78 95bad29 b398e78 95bad29 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 |
from constants import Styles, Constants
import streamlit as st
class Functions:
@staticmethod
def calculated_current_salary_after_tax(current_salary, tax_brackets):
return current_salary - Functions.calculate_monthly_tax(
current_salary, tax_brackets
)
@staticmethod
def calculate_monthly_tax(monthly_income, tax_brackets):
annual_income = monthly_income * 12
total_tax = 0
remaining_income = annual_income
for lower, upper, rate in tax_brackets:
if remaining_income <= 0:
break
taxable_amount = min(remaining_income, upper - lower)
tax = taxable_amount * rate
total_tax += tax
remaining_income -= taxable_amount
monthly_tax = total_tax / 12
return round(monthly_tax, 2)
@staticmethod
def calculate_net_salary(gross_salary, tax_brackets):
return gross_salary - Functions.calculate_monthly_tax(
gross_salary, tax_brackets
)
@staticmethod
def calculated_initial_desired_net(
current_salary, desired_increment, daily_cost_of_travel, physical_days_per_week
):
return (current_salary + current_salary * desired_increment) + (
daily_cost_of_travel * physical_days_per_week * 4.5
)
@staticmethod
def calculate_additional_amount(initial_desired_net, tax_brackets):
gross_salary = initial_desired_net
max_iterations = 100
for _ in range(max_iterations):
net_salary = Functions.calculate_net_salary(gross_salary, tax_brackets)
if abs(net_salary - initial_desired_net) < 0.01:
break
gross_salary += initial_desired_net - net_salary
additional_amount = gross_salary - initial_desired_net
return {
"initial_desired_net": round(initial_desired_net, 2),
"gross_salary_needed": round(gross_salary, 2),
"additional_amount": round(additional_amount, 2),
"tax": round(
Functions.calculate_monthly_tax(gross_salary, tax_brackets), 2
),
"final_net_salary": round(
Functions.calculate_net_salary(gross_salary, tax_brackets), 2
),
}
import pandas as pd
class StreamlitFunctions:
@staticmethod
def update_initial_salary_parameter():
# if (
# st.session_state.user_initial_desired_net_state
# < st.session_state.current_salary
# ):
# st.session_state.user_initial_desired_net = (
# st.session_state.current_salary
# + st.session_state.user_initial_desired_net_state
# )
# else:
st.session_state.user_initial_desired_net = (
st.session_state.user_initial_desired_net_state
)
st.session_state.type_to_calculate = "desired_salary"
@staticmethod
def reset_initial_salary_parameter():
def reset_values():
st.session_state.user_initial_desired_net = Constants.DEFAULT_INITIAL_NET
st.session_state.valid_input = True
st.button(
"Reset Final Desired Net Salary Value",
on_click=reset_values,
use_container_width=True,
)
@staticmethod
def initial_salary_parameter():
st.header("Final Desired Net Salary")
if st.session_state.user_initial_desired_net >= st.session_state.current_salary:
minimum_value = st.session_state.current_salary
else:
minimum_value = 0.0
st.number_input(
"Final Desired Net Salary (PKR)",
min_value=minimum_value,
value=st.session_state.user_initial_desired_net,
step=1000.0,
key="user_initial_desired_net_state",
on_change=StreamlitFunctions.update_initial_salary_parameter,
)
@staticmethod
def reset_tax_brackets():
def reset_values():
st.session_state.tax_brackets = Constants.DEFAULT_TAX_BRACKETS
st.button(
"Reset Tax Brackets",
use_container_width=True,
on_click=reset_values,
)
@staticmethod
def reset_salary_parameters():
def reset_values():
st.session_state.current_salary = Constants.DEFAULT_CURRENT_SALARY
st.session_state.desired_increment_percentage = (
Constants.DEFAULT_INCREMENT_PERCENTAGE
)
st.session_state.daily_cost_of_travel = Constants.DEFAULT_DAILY_TRAVEL_COST
st.session_state.physical_days_per_week = Constants.DEFAULT_PHYSICAL_DAYS
st.button(
"Reset Salary Parameters Values",
use_container_width=True,
on_click=reset_values,
)
@staticmethod
def reset_tax_on_current_salary():
def reset_values():
st.session_state.tax_on_current_salary = (
Constants.DEFAULT_CURRENT_SALARY_WITH_TAX
)
st.button(
"Reset Current Salary",
use_container_width=True,
on_click=reset_values,
)
@staticmethod
def print_tax_on_current_salary():
st.header("Tax on Current Salary")
def update_tax_on_current_salary_parameter():
st.session_state.tax_on_current_salary = (
st.session_state.tax_on_current_salary_state
)
st.session_state.type_to_calculate = "tax_on_current_salary"
st.number_input(
"Current monthly Salary (PKR)",
min_value=0.0,
step=1000.0,
value=st.session_state.tax_on_current_salary,
key="tax_on_current_salary_state",
on_change=update_tax_on_current_salary_parameter,
)
@staticmethod
def print_salary_parameters():
st.header("Salary Parameters")
def update_current_salary_parameter():
st.session_state.current_salary = st.session_state.current_salary_state
st.session_state.type_to_calculate = "salary_parameters"
st.number_input(
"Current monthly salary after Tax (PKR)",
min_value=0.0,
step=1000.0,
value=st.session_state.current_salary,
key="current_salary_state",
on_change=update_current_salary_parameter,
)
def update_desired_increment_percentage_parameter():
st.session_state.desired_increment_percentage = (
st.session_state.desired_increment_percentage_state
)
st.session_state.type_to_calculate = "salary_parameters"
st.number_input(
"Desired salary increment (as a decimal)",
min_value=0.0,
step=0.05,
value=st.session_state.desired_increment_percentage,
format="%.2f",
key="desired_increment_percentage_state",
on_change=update_desired_increment_percentage_parameter,
)
def update_daily_cost_of_travel_parameter():
st.session_state.daily_cost_of_travel = (
st.session_state.daily_cost_of_travel_state
)
st.session_state.type_to_calculate = "salary_parameters"
st.number_input(
"Daily cost of travel (PKR)",
min_value=0,
step=100,
value=st.session_state.daily_cost_of_travel,
key="daily_cost_of_travel_state",
on_change=update_daily_cost_of_travel_parameter,
)
def update_physical_days_per_week_parameter():
st.session_state.physical_days_per_week = (
st.session_state.physical_days_per_week_state
)
st.session_state.type_to_calculate = "salary_parameters"
st.number_input(
"Number of On-Site days per week",
min_value=0,
max_value=7,
step=1,
value=st.session_state.physical_days_per_week,
key="physical_days_per_week_state",
on_change=update_physical_days_per_week_parameter,
)
@staticmethod
def print_tax_brackets():
st.header("Tax Brackets")
tax_brackets_df = pd.DataFrame(
st.session_state.tax_brackets,
columns=["Lower Limit", "Upper Limit", "Tax Rate"],
)
edited_tax_brackets = st.data_editor(
tax_brackets_df, num_rows="dynamic", use_container_width=True
)
st.session_state.tax_brackets = list(
edited_tax_brackets.itertuples(index=False, name=None)
)
@staticmethod
def initialize_session_values():
st.title("Net Salary Calculator")
if "tax_brackets" not in st.session_state:
st.session_state.tax_brackets = Constants.DEFAULT_TAX_BRACKETS
if "tax_on_current_salary" not in st.session_state:
st.session_state.tax_on_current_salary = (
Constants.DEFAULT_CURRENT_SALARY_WITH_TAX
)
if "current_salary" not in st.session_state:
st.session_state.current_salary = Constants.DEFAULT_CURRENT_SALARY
if "desired_increment_percentage" not in st.session_state:
st.session_state.desired_increment_percentage = (
Constants.DEFAULT_INCREMENT_PERCENTAGE
)
if "daily_cost_of_travel" not in st.session_state:
st.session_state.daily_cost_of_travel = Constants.DEFAULT_DAILY_TRAVEL_COST
if "physical_days_per_week" not in st.session_state:
st.session_state.physical_days_per_week = Constants.DEFAULT_PHYSICAL_DAYS
if "user_initial_desired_net" not in st.session_state:
st.session_state.user_initial_desired_net = Constants.DEFAULT_INITIAL_NET
if "type_to_calculate" not in st.session_state:
st.session_state.type_to_calculate = None
@staticmethod
def custom_metric(label, value):
st.markdown(Styles.METRIC_STYLE, unsafe_allow_html=True)
st.markdown(
f"""
<div class="metric-container">
<div class="metric-label">{label}</div>
<div class="metric-value">PKR {value:,.2f}</div>
</div>
""",
unsafe_allow_html=True,
)
|