# -*- coding: utf-8 -*-

"""

Created on Fri May 22 18:05:04 2020

@author: akash

"""

class Employee:

num_of_emps = 0

raise_amt = 1.04

def __init__(self, first, last, pay): # special method

self.first = first

self.last = last

self.email = first + '.' + last + '@email.com'

self.pay = pay

Employee.num_of_emps += 1

def fullname(self): # instance method or regular method

return '{} {}'.format(self.first, self.last)

def apply_raise(self):

self.pay = int(self.pay * self.raise_amt)

@classmethod # class method

def set_raise_amt(cls, amount): # A class method takes cls as first parameter while a static method needs no specific parameters.

cls.raise_amt = amount

@classmethod #A class method is a method which is bound to the class and not the object of the class

def from_string(cls, emp_str): #we can say that its a constructor

first, last, pay = emp_str.split('-')

return cls(first, last, pay) # class method return object

@staticmethod

def is_workday(day): # in static method we are just passing parameter and excuting function thats it

if day.weekday() == 5 or day.weekday() == 6:

return False

return True

emp_1 = Employee('Corey', 'Schafer', 50000)

emp_2 = Employee('Test', 'Employee', 60000)

Employee.set_raise_amt(1.05)

print(Employee.raise_amt)

print(emp_1.raise_amt)

print(emp_2.raise_amt)

emp_str_1 = 'John-Doe-70000'

emp_str_2 = 'Steve-Smith-30000'

emp_str_3 = 'Jane-Doe-90000'

first, last, pay = emp_str_1.split('-')

new_emp_1 = Employee(first, last, pay) # instead of this we include in class method

new_emp_1 = Employee.from_string(emp_str_1) # it return object

print(new_emp_1.email)

print(new_emp_1.pay)

import datetime

my_date = datetime.date(2016, 7, 11)

print(Employee.is_workday(my_date))