Class: EndangeredSpecies::CLI

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

Overview

CLI controller - user interaction

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object

Main / general user input



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# File 'lib/endangered_species/cli.rb', line 7

def call
  puts ""
  puts "Welcome! Learn about World Wildlife Fund's conservation of species and the environment!"
  sleep 1
  puts ""
  puts "..."
  puts ""
  puts "...please wait one moment..."
  puts ""
  puts "..."
  make_species
  make_articles
  menu
end

#choose_articles(input) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 189

def choose_articles(input)
  input = ""
  while !exit?(input)
    puts ""
    puts ""
    puts "Please enter a number for which articles you would like to read:"
    puts ""
    input = gets.strip
    sleep 1
    if invalid?(input)
      try_again
    elsif input.to_i-1 <= EndangeredSpecies::Articles.all.size
      articles = EndangeredSpecies::Articles.all[input.to_i-1]
      print_articles(articles)
      continue_articles
    else
      continue_articles
    end
  end
end

#choose_species(input) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 95

def choose_species(input)
  input = ""
  while !exit?(input)
    puts ""
    puts ""
    puts "Please enter a number for which species you would like to learn more about:"
    puts ""
    input = gets.strip
    sleep 1
    if invalid?(input)
      continue_species
    elsif input.to_i-1 <= EndangeredSpecies::Species.all.size
      species = EndangeredSpecies::Species.all[input.to_i-1]
      print_species(species)
      print_more?(species)
    else
      continue_species
    end
    continue
  end
end

#continue ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 65

def continue
  input = ""
  while !exit?(input)
    puts ""
    puts "Return to main menu or exit? Enter Y or N."
    puts ""
    input = gets.strip
    if yes_user(input)
      menu
    elsif no_user(input)
      goodbye
    else
      try_again
    end
  end
end

#continue_articles ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 210

def continue_articles
  input = ""
  while !exit?(input)
    puts ""
    puts "Do you want to continue reading articles? Enter Y or N."
    puts ""
    input = gets.strip
    if yes_user(input)
      list_articles
      choose_articles(input)
    elsif no_user(input)
      continue
    else
      try_again
    end
  end
end

#continue_species ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 136

def continue_species
  input = ""
  while !exit?(input)
    puts ""
    puts "Do you want to continue reading about species? Enter Y or N."
    puts ""
    input = gets.strip
    if yes_user(input)
      list_species
      choose_species(input)
    elsif no_user(input)
      continue
    else
      try_again
    end
  end
end

#exit?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/endangered_species/cli.rb', line 252

def exit?(input)
  true if input == "exit" || input == "exit!" rescue false
end

#goodbye ⇒ Object 



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

def goodbye
  sleep 1
  puts ""
  puts "Thanks for visiting!"
  puts ""
  exit
end

#invalid?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/endangered_species/cli.rb', line 248

def invalid?(input)
  true if !is_numeric?(input) || ["nil", "0"].include?(input) rescue false
end

#is_numeric?(input) ⇒ Boolean

Validate user input

Returns:

  • (Boolean) 


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# File 'lib/endangered_species/cli.rb', line 244

def is_numeric?(input)
  true if Integer(input) rescue false
end

#list_articles ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 182

def list_articles
  EndangeredSpecies::Articles.all.each_with_index do |articles, i|
    puts ""
    puts "#{i+1}. #{articles.title}"
  end
end

#list_species ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 88

def list_species
  EndangeredSpecies::Species.all.each_with_index do |species, i|
    puts ""
    puts "#{i+1}. #{species.name}"
  end
end

#make_articles ⇒ Object

CLI - get user input for Articles on species (Enter 2 at menu)



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# File 'lib/endangered_species/cli.rb', line 178

def make_articles
  EndangeredSpecies::Scraper.new.make_articles
end

#make_species ⇒ Object

CLI - get user input for Info on species (Enter 1 at menu)



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# File 'lib/endangered_species/cli.rb', line 84

def make_species
  EndangeredSpecies::Scraper.new.make_species
end

#menu ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 22

def menu
  input = ""
  while !exit?(input)
    puts ""
    puts "Enter 1 if you would like to read more about endangered species."
    puts ""
    sleep 1
    puts "or"
    puts ""
    puts "Enter 2 if you would like to read the latest news articles from WWF."
    puts ""
    input = gets.strip
    if ["1", "one"].include?(input)
      sleep 1
      list_species
      choose_species(input)
    elsif ["2", "two"].include?(input)
      sleep 1
      list_articles
      choose_articles(input)
    else
      try_again
    end
  end
end

#more_info(species) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 166

def more_info(species)
  puts ""
  puts "----------- #{species.name} ----------- "
  puts ""
  puts "#{species.summary}"
  puts ""
  puts "#{species.habitat}"
  puts ""
end

#no_user(input) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 256

def no_user(input)
  true if ["n", "no", "exit", "exit!"].include?(input.downcase) rescue false
end

#print_articles(articles) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 228

def print_articles(articles)
  puts ""
  puts "----------- #{articles.title} ----------- "
  puts ""
  puts "Date: #{articles.date}"
  puts ""
  puts "Summary:"
  puts "#{articles.summary}"
  puts ""
  puts "More info:"
  puts "#{articles.url}"
  puts ""
end

#print_more?(species) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/endangered_species/cli.rb', line 117

def print_more?(species)
  input = ""
  while !exit?(input)
    puts ""
    puts "Would you like to read more? Enter Y or N."
    puts ""
    input = gets.strip.downcase
    if yes_user(input)
      more_info(species)
      sleep 1
      continue_species
    elsif no_user(input)
      goodbye
    else
      try_again
    end
  end
end

#print_species(species) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 154

def print_species(species)
  puts ""
  puts "----------- #{species.name} ----------- "
  puts ""
  puts "Scientific name: #{species.scientific}"
  puts ""
  puts "Status: #{species.status}"
  puts ""
  puts "Website: #{species.url}"
  puts ""
end

#try_again ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 56

def try_again
  sleep 1
  puts ""
  puts "Not sure what you're looking for, please try again!"
  puts ""
  sleep 1
  continue
end

#yes_user(input) ⇒ Object 



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# File 'lib/endangered_species/cli.rb', line 260

def yes_user(input)
  true if ["y", "yes"].include?(input.downcase) rescue false
end