Class: PodcastFinder::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/podcast_finder/commandline.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(quit = "NO") ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/podcast_finder/commandline.rb', line 5

def initialize(quit = "NO")
  @quit = quit
end

Instance Attribute Details

#category_choice ⇒ Object

Returns the value of attribute category_choice.



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# File 'lib/podcast_finder/commandline.rb', line 3

def category_choice
  @category_choice
end

#episode_choice ⇒ Object

Returns the value of attribute episode_choice.



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# File 'lib/podcast_finder/commandline.rb', line 3

def episode_choice
  @episode_choice
end

#input ⇒ Object

Returns the value of attribute input.



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# File 'lib/podcast_finder/commandline.rb', line 3

def input
  @input
end

#podcast_choice ⇒ Object

Returns the value of attribute podcast_choice.



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# File 'lib/podcast_finder/commandline.rb', line 3

def podcast_choice
  @podcast_choice
end

#podcast_counter ⇒ Object

Returns the value of attribute podcast_counter.



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# File 'lib/podcast_finder/commandline.rb', line 3

def podcast_counter
  @podcast_counter
end

#quit ⇒ Object

Returns the value of attribute quit.



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# File 'lib/podcast_finder/commandline.rb', line 3

def quit
  @quit
end

Instance Method Details

#browse_all_categories ⇒ Object

methods for browsing categories and viewing podcasts



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# File 'lib/podcast_finder/commandline.rb', line 105

def browse_all_categories
  @podcast_counter = 0
  puts ""
  puts "Main Menu: All Categories".colorize(:light_blue)
  PodcastFinder::Category.list_categories
  puts ""
  puts "To get started, choose a category above (1-#{PodcastFinder::Category.all.size}) or type 'help' to see a list of commands.".colorize(:light_blue)
  puts "You can also type 'exit' at any point to quit.".colorize(:light_blue)
  self.choose_category
end

#browse_category ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 143

def browse_category
  puts ""
  puts "Category: #{@category_choice.name}".colorize(:light_blue)
  self.display_podcasts
  self.choose_podcast
end

#call ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 9

def call
  self.startup_sequence
  until @quit == "YES"
    self.browse_all_categories
  end
  puts "Thanks for using the Command Line Podcast Finder!"
end

#choose_action_episode_info ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 311

def choose_action_episode_info
  self.get_input
  if @input == "BACK"
    @episode_choice = nil
    self.display_episode_list
  elsif @input == "PODCASTS"
    @podcast_counter = 0
    @podcast_choice = nil
    @episode_choice = nil
    self.browse_category
  else
    @input = "STUCK" unless @input == "EXIT" || @input == "HELP"
    if @input == "HELP"
      self.proceed_based_on_input
      if @input == "BACK"
        self.display_episode_info
      end
    end
    self.proceed_based_on_input
    self.choose_action_episode_info unless @quit == "YES"
  end
end

#choose_action_no_episodes ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 256

def choose_action_no_episodes
  self.get_input
  if @input == "BACK"
    @podcast_counter = 0
    self.browse_category
  elsif @input == "MENU"
    self.proceed_based_on_input
  else
    @input = "STUCK" unless @input == "EXIT" || @input == "HELP"
    if @input == "HELP"
      self.proceed_based_on_input
      if @input == "BACK"
        self.display_episode_list
      end
    end
    self.proceed_based_on_input
    self.choose_action_no_episodes unless @quit == "YES"
  end
end

#choose_after_help ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 59

def choose_after_help
  self.get_input
  if @input == "MENU" || @input == "EXIT" || @input == "HELP" || @input == "BACK"
    self.proceed_based_on_input
  else
    puts "Sorry, that's not an option. Please type a command from the help menu or type 'back' to return to what you were doing".colorize(:light_blue)
    self.choose_after_help
  end
end

#choose_category ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 116

def choose_category
  self.get_input
  if @input.class == Fixnum && @input.between?(1, 16)
    @category_choice = PodcastFinder::Category.all[@input - 1]
    puts "Loading podcasts from #{@category_choice.name}, please wait..."
    PodcastFinder::DataImporter.import_podcast_data(@category_choice)
    self.browse_category
  else
    if @input.class == Fixnum && !@input.between?(1,16)
      puts "Sorry, that's not a category. Please enter a number between 1 and 16"
      self.choose_category
    else
      @input = "STUCK" unless @input == "EXIT" || @input == "HELP" || @input == "BACK"
      if @input == "BACK"
        @input = "MENU"
      elsif @input == "HELP"
        self.proceed_based_on_input
        if @input == "BACK"
          self.browse_all_categories
        end
      end
      self.proceed_based_on_input
      self.choose_category unless @quit == "YES"
    end
  end
end

#choose_episode ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 276

def choose_episode
  self.get_input
  if @input.class == Fixnum && @input.between?(1, @podcast_choice.episodes.count)
    @episode_choice = @podcast_choice.episodes[@input-1]
    self.display_episode_info
  elsif @input.class == Fixnum && !@input.between?(1, @podcast_choice.episodes.count)
    puts "Sorry, that's not an episode option. Please enter a number between 1 and #{@podcast_choice.episodes.count} to proceed."
    self.choose_episode
  elsif @input == "BACK"
    @podcast_counter = 0
    self.browse_category
  else
    @input = "STUCK" unless @input == "EXIT" || @input == "HELP"
    if @input == "HELP"
      self.proceed_based_on_input
      if @input == "BACK"
        self.display_episode_list
      end
    end
    self.proceed_based_on_input
    self.choose_episode unless @quit == "YES"
  end
end

#choose_podcast ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 165

def choose_podcast
  self.get_input
  if @input.class == Fixnum && @input.between?(1, @podcast_counter + @listed_podcasts)
    @podcast_choice = @category_choice.podcasts[@input - 1]
    self.display_podcast_info
  elsif @input.class == Fixnum && !@input.between?(1, @podcast_counter + @listed_podcasts)
    puts "Sorry, that's not an option. Please choose a number that corresponds to a podcast.".colorize(:light_blue)
    self.choose_podcast
  elsif @input == "MENU"
    @category_choice = nil
    self.proceed_based_on_input
  elsif @input == "MORE"
    @podcast_counter += 10
    self.browse_category
  else
    @input = "STUCK" unless @input == "EXIT" || @input == "HELP" || @input == "BACK"
    if @input == "BACK"
      @input = "MENU"
    elsif @input == "HELP"
      self.proceed_based_on_input
      if @input == "BACK"
        self.browse_category
      end
    end
    self.proceed_based_on_input
    self.choose_podcast unless @quit == "YES"
  end
end

#choose_podcast_action ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 208

def choose_podcast_action
  self.get_input
  if @input == "MORE"
    self.display_episode_list
  elsif @input == "BACK"
    @podcast_counter = 0
    self.browse_category
  elsif @input == "MENU"
    self.proceed_based_on_input
  else
    @input = "STUCK" unless @input == "EXIT" || @input == "HELP"
    if @input == "HELP"
      self.proceed_based_on_input
      if @input == "BACK"
        self.display_podcast_info
      end
    end
    self.proceed_based_on_input
    self.choose_podcast_action unless @quit == "YES"
  end
end

#display_episode_info ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 300

def display_episode_info
  puts ""
  @episode_choice.list_data
  puts ""
  puts "Options:".colorize(:light_blue)
  puts "Type 'back' to return to episode listing for #{@podcast_choice.name}".colorize(:light_blue)
  puts "Type 'podcasts' to return to the podcast list for #{@category_choice.name}".colorize(:light_blue)
  puts "Type 'menu' to see the category list".colorize(:light_blue)
  self.choose_action_episode_info
end

#display_episode_list ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 230

def display_episode_list
  puts "Getting episodes for #{@podcast_choice.name}..."
  PodcastFinder::DataImporter.import_episodes(@podcast_choice)
  if !@podcast_choice.episodes.empty?
    puts ""
    puts "#{@podcast_choice.name} Recent Episode List".colorize(:light_blue)
    @podcast_choice.list_episodes
    puts ""
    puts "These are all the options currently available in Podcast Finder.".colorize(:light_blue)
    puts "To see more, check out #{@podcast_choice.name} online at #{@podcast_choice.url}"
    puts ""
    puts "Options:".colorize(:light_blue)
    puts "Select an episode (1-#{@podcast_choice.episodes.count}) to get a description and download link".colorize(:light_blue)
    puts "Type 'back' to return to podcast listing for #{@category_choice.name}".colorize(:light_blue)
    puts "Type 'menu' to see the category list".colorize(:light_blue)
    self.choose_episode
  else #for edge case where a podcast has no associated episodes but is listed as active by website
    puts ""
    puts "Looks like #{@podcast_choice.name} doesn't have episodes online.".colorize(:light_red)
    puts ""
    puts "Type 'back' to return to podcast listing for #{@category_choice.name}".colorize(:light_blue)
    puts "Type 'menu' to see the category list".colorize(:light_blue)
    self.choose_action_no_episodes
  end
end

#display_podcast_info ⇒ Object

methods for getting details on a specific podcast



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# File 'lib/podcast_finder/commandline.rb', line 195

def display_podcast_info
  puts "Loading details for #{@podcast_choice.name}..."
  PodcastFinder::DataImporter.import_description(@podcast_choice)
  puts ""
  @podcast_choice.list_data
  puts ""
  puts "Choose an option below to proceed:".colorize(:light_blue)
  puts "Type 'more' to get episode list".colorize(:light_blue)
  puts "Type 'back' to return to podcast listing for #{@category_choice.name}".colorize(:light_blue)
  puts "Type 'menu' to return to main category menu".colorize(:light_blue)
  self.choose_podcast_action
end

#display_podcasts ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 150

def display_podcasts
  @listed_podcasts = @category_choice.list_podcasts(@podcast_counter)
  if @listed_podcasts == 10 && @category_choice.podcasts.size > @podcast_counter + @listed_podcasts
    puts ""
    puts "Enter the number of the podcast you'd like to check out (1-#{@podcast_counter + @listed_podcasts})".colorize(:light_blue)
    puts "Type 'menu' to return to the category list".colorize(:light_blue)
    puts "Type 'more' to see the next 10 podcasts".colorize(:light_blue)
  else
    puts ""
    puts "That's all the podcasts for this category!".colorize(:light_blue)
    puts "Enter the number of the podcast you'd like to check out (1-#{@podcast_counter + @listed_podcasts})".colorize(:light_blue)
    puts "Type 'menu' to return to the category list".colorize(:light_blue)
  end
end

#get_input ⇒ Object

methods for gets-ing, parsing and acting based on user input



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# File 'lib/podcast_finder/commandline.rb', line 71

def get_input
  input = gets.strip
  self.parse_input(input)
end

#help ⇒ Object

basic menu display methods



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# File 'lib/podcast_finder/commandline.rb', line 43

def help
  puts ""
  puts "Help: Commands".colorize(:light_blue)
  puts "--To access any numbered menu, simply type the number of the item you're selecting and press Enter to confirm."
  puts "  Example Menu: All Categories"
  puts "   (1) Arts"
  puts "   (2) Business"
  puts "   (3) Comedy"
  puts "  For example: if you want to view the Comedy category, just type '3' (without the quotes) and press Enter"
  puts "--Type 'exit' at any time to quit the browser"
  puts "--Type 'menu' at any time to go back to the main category menu"
  puts "--Type 'help' if you need a quick reminder about the commands"
  puts "To proceed, enter a command from above or type 'back' to return to what you were doing".colorize(:light_blue)
  self.choose_after_help
end

#parse_input(input) ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 76

def parse_input(input)
  if input.match(/^\d+$/)
    @input = input.to_i
  elsif input.upcase == "HELP" || input.upcase == "MENU" || input.upcase == "EXIT" || input.upcase == "MORE" || input.upcase == "BACK" || input.upcase == "PODCASTS"
    @input = input.upcase
  else
    @input = "STUCK"
  end
end

#proceed_based_on_input ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 86

def proceed_based_on_input
  case @input
  when "STUCK"
    puts "Sorry, that's not an option. Please type a command from the options above. Stuck? Type 'help'.".colorize(:light_blue)
  when "HELP"
    self.help
  when "MENU"
    self.browse_all_categories
  when "EXIT"
    @quit = "YES"
  when @input == "BACK" || @input == "MORE" || @input == "PODCASTS"
    @input
  when @input == Fixnum && @input >= 1
    @input
  end
end

#start_import ⇒ Object 



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# File 'lib/podcast_finder/commandline.rb', line 37

def start_import
  PodcastFinder::DataImporter.import_categories('http://www.npr.org/podcasts')
end

#startup_sequence ⇒ Object

methods needed for startup



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# File 'lib/podcast_finder/commandline.rb', line 19

def startup_sequence
  puts "Setting up your command line podcast finder...".colorize(:light_red)
  self.start_import
  sleep(0.5)
  puts ".".colorize(:light_red)
  sleep(0.5)
  puts ".".colorize(:light_yellow)
  sleep(0.5)
  puts ".".colorize(:light_green)
  sleep(0.5)
  puts "Setup complete.".colorize(:light_green)
  sleep(0.5)
  puts ""
  puts "Welcome to the Command Line Podcast Finder!"
  puts "You can use this command line gem to find and listen to interesting podcasts produced by NPR and affiliated stations."
  sleep(0.5)
end