ruby code to coNvert arabic (contemporary ) numbers to old style roman numerals. (LIGHTHOUSE WEB DEV BOOTCAMP)

roman_numerals.rb

# ROM ={ I: 1,
#    V: 5,
#    X: 10, 
#    L: 50,
#    C: 100, 
#    D: 500,
#    M: 1000
#   }

def to_roman(num)
 
  @arrayOfRomanNumerals = [] # array to take in the generated roman numerals 
  value = num
  div1 = value.divmod(1000)
    if div1[0] > 0 
      mul1 = div1[0]
      result=repeating(mul1,"M")
      @arrayOfRomanNumerals << result
          if div1[1] > 0
            divideby500 (div1[1])
          end 
    elsif div1[0] == 0  && div1[1] > 0
           divideby500 (div1[1])
        
    end 
    puts @arrayOfRomanNumerals.join("")
end 


def repeating (mul,romNum)
   romNum + ("#{romNum}" * (mul-1)) 
 end

def divideby500 (num)
 value = num
 div1 = value.divmod(500)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"D")
    @arrayOfRomanNumerals << result
        if div1[1] > 0
            divideby100 (div1[1])
          end 
  elsif div1[0] == 0 && div1[1] > 0 
      divideby100 (div1[1])    
       
  end 
end 


def divideby100 (num)
 value = num
 div1 = value.divmod(100)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"C")
    @arrayOfRomanNumerals << result
        if div1[1] > 0
            divideby50 (div1[1])
          end 
  elsif div1[0] ==0 && div1[1] > 0 
    divideby50 (div1[1])
  end 
end 

def divideby50 (num)
 value = num
 div1 = value.divmod(50)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"L")
    @arrayOfRomanNumerals << result
        if div1[1] > 0
            divideby10 (div1[1])
          end 
  elsif div1[0] == 0 && div1[1] > 0 
      divideby10 (div1[1])    
  end 
end 


def divideby10 (num)
 value = num
 div1 = value.divmod(10)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"X")
    @arrayOfRomanNumerals << result
      if div1[1] > 0
            divideby5 (div1[1])
          end 
  elsif div1[0] == 0 && div1[1] > 0
      divideby5 (div1[1])    
  end 
end 


def divideby5 (num)
 value = num
 div1 = value.divmod(5)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"V")
    @arrayOfRomanNumerals << result
        if div1[1] > 0
            divideby1 (div1[1])
          end 
  elsif div1[0] == 0 && div1[1] > 0
    divideby1 (div1[1])
  end 
end 

def divideby1 (num)
 value = num
 div1 = value.divmod(1)
  if div1[0] > 0 
    mul1 = div1[0]
    result=repeating(mul1,"I")
    @arrayOfRomanNumerals << result
  elsif div1[0] == 0 && div1[1] > 0
  
  end 
end 

puts "please write a Whole number between 1- 9,999 to see the roman numerals"
num =gets.chomp.to_i 
to_roman(num)