Class: CryptoCompare::CLI

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

Instance Method Summary collapse

Instance Method Details

#another_or_exit ⇒ Object 



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# File 'lib/crypto_compare/cli.rb', line 68

def another_or_exit
	puts "Convert another? y/n"
	input = gets.downcase.chomp

	case input 
	when "y", "yes"
		call
	when "n", "no"
		puts "Thank you for using CryptoCompare!"
		puts "Goodbye."
		exit
	else
		puts "Incorrect input."
		another_or_exit
	end
end

#call ⇒ Object 



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

def call
	@s = CryptoCompare::Scraper.new

	Money.default_bank = Money::Bank::GoogleCurrency.new

	set_crypto_currency_and_data
	set_variables
	set_infinite_precision	
	set_base_currency
	display_results
	another_or_exit  
end

#display_results ⇒ Object 



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# File 'lib/crypto_compare/cli.rb', line 58

def display_results
	puts "-"*20
	puts "Crypto Currency: #{@crypto_currency.name}"
	puts "Current Price: #{@price.exchange_to(@base_currency).symbol}#{@price.exchange_to(@base_currency)} #{@price.exchange_to(@base_currency).currency.iso_code}"
	puts "Market Cap:  #{@cap.exchange_to(@base_currency).symbol}#{@cap.exchange_to(@base_currency)} #{@cap_value} #{@cap.exchange_to(@base_currency).currency.iso_code}"
	puts "Circulating Supply: #{@crypto_currency.circulating_supply}"
	puts "Percent Change (24 hrs): #{@crypto_currency.percent_change} #{@change_direction}" 
	puts "-"*20	
end

#set_base_currency ⇒ Object 



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

def set_base_currency
	puts "Please enter your fiat currency of interest's ISO code (e.g. USD, CAD, GBP, JPY, etc.):"
	@base_currency = gets.upcase.chomp.to_sym

	if Money::Currency.include?(@base_currency) == false
		puts "No such fiat currency found."
		set_base_currency
	end
end

#set_crypto_currency_and_data ⇒ Object 



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

def set_crypto_currency_and_data
	puts "Please enter your crypto currency of interest (e.g. bitcoin, ethereum, dogecoin, etc.)"
	puts "or enter the number (e.g. 1) or name (e.g. bitcoin) of a currency from the top 10 list below:"
	CryptoCompare::CryptoCurrency.make_crypto_from_list(@s.get_list(@s.page), @s)
	CryptoCompare::CryptoCurrency.all.each_with_index {|crypto, index| puts "#{index+1}. #{crypto.name}"} 
	@crypto_currency = gets.downcase.chomp
	@crypto_currency = @s.get_list(@s.page)[@crypto_currency.to_i-1] if @crypto_currency.to_i >= 1 
	@data = @s.get_attributes(@crypto_currency, @s.page)

	if @data["price"] == ""
		puts "No such crypto currency found."
		set_crypto_currency_and_data
	end
end

#set_infinite_precision ⇒ Object 



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# File 'lib/crypto_compare/cli.rb', line 44

def set_infinite_precision
	@crypto_currency.price.to_f < 1 ? Money.infinite_precision = true : Money.infinite_precision = false
end

#set_variables ⇒ Object 



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

def set_variables
	@crypto_currency = CryptoCompare::CryptoCurrency.new(@data)
	@price = Money.new("#{@crypto_currency.price}".delete("$").to_f*100, "USD")
	@cap = Money.new("#{@crypto_currency.market_cap}".delete("$").to_f*100, "USD")
	@cap_value = @crypto_currency.market_cap.delete("$,").length >= 10 ? "billion" : "million"
	@volume = Money.new("#{@crypto_currency.volume}".delete("$").to_f*100, "USD")
	@change_direction = @crypto_currency.percent_change[0] == "-" ? "v" : "^"
end