class JPLMissions::CLI

Public Instance Methods

call() click to toggle source
# File lib/jpl_missions/cli.rb, line 3
def call
  puts "Welcome to NASA JPL Missions!"
  self.start
end
display_mission_details(input) click to toggle source
# File lib/jpl_missions/cli.rb, line 83
def display_mission_details(input)
  mission = JPLMissions::Mission.find_from_user_input(input)
  puts "Mission Title: #{mission.title}"
  puts "#{mission.launch_date}"
  puts "About: #{mission.description}"
end
exit_cli() click to toggle source
# File lib/jpl_missions/cli.rb, line 35
def exit_cli
  puts "For more information on NASA JPL and their missions,"
  puts "visit https://www.jpl.nasa.gov"
  puts "Goodbye!"
end
list_missions(option) click to toggle source
# File lib/jpl_missions/cli.rb, line 41
def list_missions(option)
  case option
  when '1'
    list_missions_from_url('https://www.jpl.nasa.gov/missions/?search=&type=current&missions_target=&mission_type=&launch_date=ascending#submit')
    list_nav
  when '2'
    list_missions_from_url('https://www.jpl.nasa.gov/missions/?search=&type=past&missions_target=&mission_type=&launch_date=ascending#submit')
    list_nav
  when '3'
    list_missions_from_url('https://www.jpl.nasa.gov/missions/?search=&type=future&missions_target=&mission_type=&launch_date=ascending#submit')
    list_nav
  when '4'
    list_missions_from_url('https://www.jpl.nasa.gov/missions/?type=proposed')
    list_nav
  end
end
list_missions_from_url(url) click to toggle source
# File lib/jpl_missions/cli.rb, line 58
def list_missions_from_url(url)
  JPLMissions::Mission.clear_all
  missions_array = JPLMissions::Scraper.scrape_missions_from_url(url)
  JPLMissions::Mission.create_missions_from_array(missions_array)
  JPLMissions::Mission.all.each.with_index do |mission, index|
    puts "#{index + 1}: #{mission.title}"
  end
end
list_nav() click to toggle source
# File lib/jpl_missions/cli.rb, line 67
def list_nav
  puts ""
  puts ">> To learn more, select a mission."
  puts ">> To return to the main menu, enter 'exit.'"
  puts ""
  input = gets.chomp
  if input.to_i.between?(1, JPLMissions::Mission.all.size)
    display_mission_details(input)
    list_nav
  elsif input == "exit"
    start
  else puts "Please select from the available options"
    list_nav
  end
end
main_menu() click to toggle source
start() click to toggle source
# File lib/jpl_missions/cli.rb, line 8
def start
  main_menu
  input = gets.chomp
  case input
  when /1|2|3|4/
    #print list of selected Missions
    self.list_missions(input)
  when 'exit'
    exit_cli
  else
    puts "I'm sorry, that's not an option."
    puts "Please choose from the available options."
    self.start
  end
end