Class: Cli

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/services/cli.rb', line 2

def content
  @content
end

Class Method Details

.audio_search ⇒ Object

Gets search terms and creates Content objects based on the provided results



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# File 'lib/services/cli.rb', line 109

def self.audio_search
  Content.all.clear
  puts "\n\nPlease enter your audio search terms.\n\n"
  terms = gets.chomp!
  terms = terms.split(" ").join("%20")

  search_results = CliNasaAPI.media_search("audio", terms)
  search_results = search_results["collection"]["items"]

  search_results.each do |result|
    attributes = result["data"][0]
    links = result["links"][0] if result["links"] != nil

    title = attributes["title"]
    description = attributes["description"]
    keywords = attributes["keywords"]
    link = links["href"] if links != nil

    Content.add_content(title, description, keywords, link)
  end
end

.display_content(results) ⇒ Object

Method for displaying a piece of content, navigating thorugh its data, and prompting the user for their next valid command



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# File 'lib/services/cli.rb', line 156

def self.display_content(results)
  input = ""
  page = 1

  while input != "s"

    current = results[page-1]
    puts "\n\nPage #{page}: #{current.title}"
    if current.link == nil
      puts "Link: link not available"
    else
      puts "Link: #{current.link}"
    end
    puts "\n\nHere are your available commands:"
    puts ">> k - Displays the content's keywords"
    puts ">> d - Displays the content's description."
    puts ">> n - Shows the next result"
    puts ">> p - Shows the previous result"
    puts ">> s - Start a new search."

    input = self.get_input()
    case input
    when "k"
      puts "\n\nKeywords : #{current.keywords}\n"
    when "d"
      puts "\n\nDescription : #{current.description}\n"
    when "n"
      if page < results.length
        page += 1
      else
        puts "\n\nThere are no further results.\n"
      end
    when "p"
      if page > 1
         page -= 1
      else
         puts "\n\nYou're at the top of your results.\n"
       end
    when "s"
      self.main_menu
    else
      puts "\n\nCommand not recognized, please try again.\n"
    end
  end
end

.get_input ⇒ Object

Prompts the user for input



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# File 'lib/services/cli.rb', line 28

def self.get_input
  puts "\n\nPlease make a selection.\n\n"
  input = gets.chomp!
  input
end

.greeting ⇒ Object

Welcomes users and provides the list of available commands



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# File 'lib/services/cli.rb', line 18

def self.greeting
  puts "\n\nWelcome to the NASA-CLI, here are your available commands: "
  puts ">> s - a keyword search of the Nasa Image and Video Library"
  puts ">> i - a search of the library focused for only images"
  puts ">> a - a search of the library focused for only audio clips"
  puts ">> v - a search of the library focused for only videos"
  puts ">> exit - exit NASA-CLI\n"
end

.image_search ⇒ Object

Gets search terms and creates Content objects based on the provided results



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# File 'lib/services/cli.rb', line 86

def self.image_search
  Content.all.clear
  puts "\n\nPlease enter your image search terms.\n\n"
  terms = gets.chomp!
  terms = terms.split(" ").join("%20")

  search_results = CliNasaAPI.media_search("image", terms)
  search_results = search_results["collection"]["items"]

  search_results.each do |result|
    attributes = result["data"][0]
    links = result["links"][0]

    title = attributes["title"]
    description = attributes["description"]
    keywords = attributes["keywords"]
    link = links["href"]

    Content.add_content(title, description, keywords, link)
  end
end

.keyword_search ⇒ Object

Gets search terms and creates Content objects based on the provided results



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# File 'lib/services/cli.rb', line 63

def self.keyword_search
  Content.all.clear
  puts "\n\nPlease enter your search terms.\n\n"
  terms = gets.chomp!
  terms = terms.split(" ").join("%20")

  search_results = CliNasaAPI.basic_search(terms)
  search_results = search_results["collection"]["items"]

  search_results.each do |result|
    attributes = result["data"][0]
    links = result["links"][0] if result["links"] != nil

    title = attributes["title"]
    description = attributes["description"]
    keywords = attributes["keywords"]
    link = links["href"] if links != nil

    Content.add_content(title, description, keywords, link)
  end
end

.main_menu ⇒ Object

Brings up .greeting, begins the search process, and then displays the provided results



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# File 'lib/services/cli.rb', line 11

def self.main_menu
  self.greeting
  results = self.search_menu_command()
  self.display_content(results)
end

.run ⇒ Object

Method called at startup that brings up main menu



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# File 'lib/services/cli.rb', line 6

def self.run
  self.main_menu
end

.search_menu_command ⇒ Object

Runs the specific search requested by the user and returns results as an array of Content objects, asks the user to submit a valid command, or exits the program



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

def self.search_menu_command
    command = self.get_input()

    case command
    when "s"
      self.keyword_search()
      Content.all
    when "i"
      self.image_search()
      Content.all
    when "a"
      self.audio_search()
      Content.all
    when "v"
      self.video_search()
      Content.all
    when "exit"
      puts "\n\nThank you, please come again!"
      exit
    else
      puts "\n\nCommand not recognized, please try again."
      self.main_menu
    end
end

.video_search ⇒ Object

Gets search terms and creates Content objects based on the provided results



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# File 'lib/services/cli.rb', line 132

def self.video_search
  Content.all.clear
  puts "\n\nPlease enter your video search terms.\n\n"
  terms = gets.chomp!
  terms = terms.split(" ").join("%20")

  search_results = CliNasaAPI.media_search("video", terms)
  search_results = search_results["collection"]["items"]

  search_results.each do |result|
    attributes = result["data"][0]
    links = result["links"][0] if result["links"] != nil

    title = attributes["title"]
    description = attributes["description"]
    keywords = attributes["keywords"]
    link = links["href"] if links != nil

    Content.add_content(title, description, keywords, link)
  end
end