Class: CryptoMarket::CLI

Inherits:
Object
  • Object
show all
Includes:
CryptoMarket
Defined in:
lib/crypto_market/cli.rb

Constant Summary

Constants included from CryptoMarket

VERSION

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CryptoMarket

#terminal_table

Constructor Details

#initialize ⇒ CLI

Initialize the CLI with an instance of all currencies



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

def initialize
  @currencies = CryptoMarket::Currencies.new
end

Instance Attribute Details

#currencies ⇒ Object

Returns the value of attribute currencies.



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# File 'lib/crypto_market/cli.rb', line 3

def currencies
  @currencies
end

Instance Method Details

#enter_input_msg ⇒ Object 



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# File 'lib/crypto_market/cli.rb', line 30

def enter_input_msg
  print 'Enter a number: '
end

#enter_valid_input_msg ⇒ Object 



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# File 'lib/crypto_market/cli.rb', line 26

def enter_valid_input_msg
  puts 'Enter a correct number from the list'
end

#greeting ⇒ Object

Greeting message



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

def greeting
  <<-DOC
Welcome to the Crypto Market
All the prices are updated every 5 minutes
Enter a number to navigate
  DOC
end

#navigation ⇒ Object

User navigation



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# File 'lib/crypto_market/cli.rb', line 35

def navigation
  table = terminal_table do |t|
    t.title = greeting
    t.add_row [1, 'Get more information about a specific coin']
    t.add_row [2, 'Sort by price']
    t.add_row [3, 'Sort by price change the last 24h']
    t.add_row [4, 'To exit the program']
    t.style = { all_separators: true, width: 60 }
  end
  puts table
  enter_input_msg
  input = gets.strip.to_i
  loop do
    case input
    when 1
      coin_search
      navigation
    when 2
      currencies.print_sorted_prices
      navigation
    when 3
      table = terminal_table do |t|
        t.title = 'Select a number'
        t.add_row [1, '(+) Changed coins the last 24h']
        t.add_row [2, '(-) Changed coins the last 24h']
        t.add_row [3, 'All Changed coins the last 24h']
        t.style = { all_separators: true, width: 60 }
      end
      input = nil
      until input == 1 || input == 2 || input == 3
        puts table
        enter_input_msg
        input = gets.strip.to_i
        if input == 1
          currencies.print_sorted_changes('positive')
          navigation
        elsif input == 2
          currencies.print_sorted_changes('negative')
          navigation
        elsif input == 3
          currencies.print_sorted_changes
          navigation
        else
          enter_valid_input_msg
        end
      end
    when 4
      puts "Goodbye you're now closing Crypto Market!"
      exit
    else
      enter_valid_input_msg
      navigation
    end
  end
end

#run ⇒ Object

Run command to start the program



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

def run
  currencies.run
  puts ascii_welcome
  navigation
end