class Cli

audio_search() click to toggle source

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

# 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) click to toggle source

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

# 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() click to toggle source

Prompts the user for input

# 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() click to toggle source

Welcomes users and provides the list of available commands

# 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() click to toggle source

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

# 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() click to toggle source

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

# 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() click to toggle source

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

# File lib/services/cli.rb, line 11
def self.main_menu
  self.greeting
  results = self.search_menu_command()
  self.display_content(results)
end

run() click to toggle source

Method called at startup that brings up main menu

# File lib/services/cli.rb, line 6
def self.run
  self.main_menu
end

search_menu_command() click to toggle source

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

# 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() click to toggle source

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

# 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

Attributes

Public Class Methods