Class: BillboardHot100::CommandLineInteface

Inherits:
Object
  • Object
show all
Defined in:
lib/billboard_hot_100/command_line_interface.rb

Instance Method Summary collapse

Instance Method Details

#continue ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 73

def continue
  puts "\nWould you like information on another song? Enter Y or N\n"

  input = gets.strip.downcase
  case input
    when "y"
      ranges
    when "n", "exit"
      exit
    else
      invalid_choice
      continue
  end
end

#display_song(song) ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 88

def display_song(song)
  puts "\n#{song.rank}. #{song.title} by #{song.artist}"
  
  if song.last_week.length > 0 && !song.last_week.include?("-")
    puts "Last Week: #{song.last_week}"
  else
    puts "New To Chart!".colorize(:blue)
  end
  if song.peak_position.length > 0 
    puts "Peak Position: #{song.peak_position}"
  end
  if song.weeks_on_chart.length > 0 
    puts "Weeks On Chart: #{song.weeks_on_chart}"
  end
  if song.lyrics.length > 0
    puts "Lyrics: #{song.lyrics}"
  end
  if song.award.length > 0 
    puts "Award: #{song.award}".colorize(:blue)
  end
end

#display_songs(increment, input, low_num) ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 45

def display_songs(increment, input, low_num) 
  puts  "\nDisplaying songs #{low_num+1} through #{low_num+increment}\n\n"
  BillboardHot100::Song.all[low_num,increment].each do |song|
    puts "#{song.rank}. #{song.title} by #{song.artist}"
  end
  
  more_info(increment, input, low_num)
end

#exit ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 114

def exit
  puts "\nCheck back next week for the latest Billboard Hot 100!"
  exit!
end

#invalid_choice ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 110

def invalid_choice
  puts "\nInvalid Choice, Please Try Again!".colorize(:red)
end

#more_info(increment, input, low_num) ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 54

def more_info(increment, input, low_num)
  puts "\nPlease enter the song you want more information on, or type LIST to select a new range of songs.\n"
  input = gets.strip
  
  case
    when input.to_i.between?(low_num+1,low_num+increment)
      song = BillboardHot100::Song.all[input.to_i-1]
      display_song(song)
    when input.downcase == "list"
      ranges
    when input.downcase == "exit"
      exit
    else
      puts "\nPlease enter a number between #{low_num+1} and #{low_num+increment}, or type LIST to select a new range of songs.\n".colorize(:red)
      display_songs(increment, input, low_num)
  end
  continue
end

#quantize_input(increment, total) ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 31

def quantize_input(increment, total)    
  input = gets.strip
  case  
    when input.to_i.between?(1,total)
      low_num = ((input.to_i-1)/increment).floor*increment
      display_songs(increment, input, low_num)
    when input.downcase == "exit"
      exit 
    else
      invalid_choice
      ranges
  end
end

#ranges ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 13

def ranges
  puts "\nPlease enter the rankings you wish to see...\n\n"

  total = BillboardHot100::Song.all.size
  increment = 10
  ranges = total/increment
  ranking = 1
  ranges_s = ""

  ranges.times do
    ranges_s << "#{ranking}-#{ranking+increment-1}, "
    ranking += increment
  end
  puts ranges_s[0...-2]

  quantize_input(increment, total)
end

#run ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 3

def run
  BillboardHot100::Scraper.scrape_songs
  welcome
end

#welcome ⇒ Object 



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# File 'lib/billboard_hot_100/command_line_interface.rb', line 8

def welcome 
  puts "\nWelcome to the this weeks Billboard Hot 100!\n"
  ranges
end