Class: Wikihow::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/wikihow/cli.rb

Overview

CLI Controller

Constant Summary collapse

@@red = 
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@@green = 
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@@yellow = 
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@@blue = 
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@@cyan = 
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Instance Method Summary collapse

Instance Method Details

#blue_text(string) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 151

def blue_text(string)
  color_text(string, @@blue)
end

#call ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 9

def call
  puts "WELCOME TO WIKIHOW!"
  list_categories
  categories_menu
end

#categories_menu ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 20

def categories_menu
  input = nil
  puts "Enter the number of the category that you'd like to learn about. Type 'exit' to close."
  input = gets.strip.downcase
  if input.to_i > 0 && input.to_i <= @categories.count
    category = @categories[input.to_i - 1]
    display_index = list_topics(category)
    topics_menu(category, display_index)
  elsif input == "exit"
    good_bye
  else
    list_categories
    puts red_text("Please enter a valid command.")
    categories_menu
  end
end

#color_text(string, color) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 163

def color_text(string, color)
  "\e[#{color}m#{string}\e[0m"
end

#cyan_text(string) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 159

def cyan_text(string)
  color_text(string, @@cyan)
end

#display_first_layer_list(layer_1) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 127

def display_first_layer_list(layer_1)
  layer_1.each do |layer_2|
    (layer_2.is_a? Array) ? display_second_layer_list(layer_2) : puts(green_text("\n > #{layer_2}\n"))
  end
end

#display_second_layer_list(layer_2) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 133

def display_second_layer_list(layer_2)
  layer_2.each do |layer_3|
    puts blue_text("\n    >> #{layer_3}\n")
  end
end

#display_section(section, step_number = 1) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 106

def display_section(section, step_number = 1)
  step_description = section[:section_steps][step_number - 1]
  list_step(step_description, step_number)
  if step_number == section[:section_steps].count
    puts "Those are all the steps! Press Enter to continue"
    gets
  else
    puts "Press enter for next step. Type 'topic' to return to menu."
    input = gets.strip.downcase
    if input != "topic"
      display_section(section, step_number + 1)
    end
  end
end

#good_bye ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 139

def good_bye
  puts "Goodbye!"
end

#green_text(string) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 147

def green_text(string)
  color_text(string, @@green)
end

#list_categories ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 15

def list_categories
  @categories = Wikihow::Category.get_or_create_categories
  @categories.each.with_index(1) {|category, i| puts yellow_text("#{i}. #{category.title}")}
end

#list_sections(topic) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 70

def list_sections(topic)
  if topic.sections.count == 1
    puts blue_text("\nHow to #{topic.title}".upcase)
    puts blue_text(topic.intro)
  else
    puts blue_text("\nHow to #{topic.title}".upcase)
    puts blue_text(topic.intro)
    topic.sections.each.with_index(1) {|section, i|puts yellow_text("#{i}. #{section[:section_title]}")}
  end
end

#list_step(step_description, step_number) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 121

def list_step(step_description, step_number)
  step_description.each do |layer_1|
    (layer_1.is_a? Array) ? display_first_layer_list(layer_1) : puts(yellow_text("\n#{step_number}. #{layer_1}"))
  end
end

#list_topics(category, display_index = 0) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 37

def list_topics(category, display_index = 0)
  @topics = Wikihow::Topic.get_or_create_topics_from_category(category)
  if display_index < (@topics.count - 1)
    @topics[display_index..display_index + 9].each.with_index(display_index + 1) {|topic, i| puts blue_text("#{i}. #{topic.title}")}
    display_index + 10
  else
    puts "Those are all the topics for this category. Here are the first ten topics for the category."
    list_topics(category)
  end
end

#red_text(string) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 143

def red_text(string)
  color_text(string, @@red)
end

#sections_menu(topic) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 81

def sections_menu(topic)
  if topic.sections.count == 1
    display_section(topic.sections[0])
    list_topics(topic.category)
    topics_menu(topic.category)
  else
    input = nil
    puts "Enter the number of the section/method you'd like to learn about. Type 'topics' to return to Topics menu. Type 'exit' to quit"
    input = gets.strip.downcase
    if input.to_i > 0 && input.to_i <= topic.sections.count
      display_section(topic.sections[input.to_i - 1])
      list_sections(topic)
      sections_menu(topic)
    elsif input == "topics"
      list_topics(topic.category)
      topics_menu(topic.category)
    elsif input == "exit"
      good_bye
    else
      puts red_text("Please enter a valid command.")
      sections_menu(topic)
    end
  end
end

#topics_menu(category, display_index = 10) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 48

def topics_menu(category, display_index = 10)
  input = nil
  puts "Enter the number of the topic that you'd like to learn about. Type 'next' to display the next 10 topics. Type 'cat' to return to categories menu. Type 'exit' to quit."
  input = gets.strip.downcase
  if input.to_i > 0 && input.to_i <= category.topics.count
    topic = category.topics[input.to_i - 1]
    list_sections(topic)
    sections_menu(topic)
  elsif input == "next"
    display_index = list_topics(category, display_index)
    topics_menu(category, display_index)
  elsif input == "cat"
    list_categories
    categories_menu
  elsif input == "exit"
    good_bye
  else
    puts red_text("Please enter a valid command.")
    topics_menu(category, display_index)
  end
end

#yellow_text(string) ⇒ Object 



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# File 'lib/wikihow/cli.rb', line 155

def yellow_text(string)
  color_text(string, @@yellow)
end