go_workshop/chapter_05/activity_5.02/main.go

package main

import "fmt"

type Employee struct {
  Id        int
  FirstName string
  LastName  string
}

type Developer struct {
  Individual Employee
  HourlyRate int
  WorkWeek   [7]int
}

type Weekday int

const (
  Sunday Weekday = iota
  Monday
  Tuesday
  Wednesday
  Thursday
  Friday
  Saturday
)

func main() {

  d := Developer{Individual: Employee{Id: 1, FirstName: "Tony", LastName: "Stark"}, HourlyRate: 10}

  x := nonLoggedHours()

  fmt.Println("Tracking hours worked so far today:", x(2))
  fmt.Println("Tracking hours worked so far today:", x(3))
  fmt.Println("Tracking hours worked so far today:", x(5))

  d.LogHours(Monday, 8)
  d.LogHours(Tuesday, 10)
  d.LogHours(Wednesday, 10)
  d.LogHours(Thursday, 10)
  d.LogHours(Friday, 6)
  d.LogHours(Saturday, 8)

  d.PayDetails()

}

func (d *Developer) LogHours(day Weekday, hours int) {

  d.WorkWeek[day] = hours

}

func (d *Developer) HoursWorked() int {

  total := 0
  for _, v := range d.WorkWeek {
    total += v
  }
  return total

}

func (d *Developer) PayDay() (int, bool) {

  if d.HoursWorked() > 40 {
    hoursOver := d.HoursWorked() - 40
    overTime := hoursOver * 2 * d.HourlyRate
    regularPay := 40 * d.HourlyRate
    return regularPay + overTime, true
  }

  return d.HoursWorked() * d.HourlyRate, false

}

func nonLoggedHours() func(int) int {

  total := 0

  return func(i int) int {
    total += i
    return total
  }

}

func (d *Developer) PayDetails() {

  for i, v := range d.WorkWeek {
    switch i {
    case 0:
      fmt.Println("Sunday hours:", v)
    case 1:
      fmt.Println("Monday hours:", v)
    case 2:
      fmt.Println("Tuesday hours:", v)
    case 3:
      fmt.Println("Wednesday hours:", v)
    case 4:
      fmt.Println("Thursday hours:", v)
    case 5:
      fmt.Println("Friday hours:", v)
    case 6:
      fmt.Println("Saturday hours:", v)
    }
  }

  fmt.Println("Hours worked this week:", d.HoursWorked())
  pay, over := d.PayDay()
  fmt.Println("Pay for the week:", pay)
  fmt.Println("Is this overtime pay:", over)

}