Add terminal-table gem

Got first version of Terminal display to visualize

lib/ruby_crypto_etf.rb

@@ -1,4 +1,4 @@
-%w(bigdecimal coinbase/wallet faraday binance-ruby monetize).each do |library|
+%w(bigdecimal coinbase/wallet faraday binance-ruby monetize terminal-table).each do |library|
   require "#{library}"
 end
 

lib/ruby_crypto_etf/displays/base.rb

@@ -0,0 +1,49 @@
+module RubyCryptoETF
+  module BaseDisplay
+    def display_bigdecimal(big_decimal)
+      if big_decimal.class != BigDecimal
+        big_decimal = BigDecimal(big_decimal)
+      end
+      big_decimal.to_s("F")
+    end
+
+    def display_usd_price(price_string)
+      Money.use_i18n = false
+
+      price_usd = BigDecimal(price_string)
+      price_split = price_usd.split
+      price_significant_string = price_split[1]
+      price_exponent = price_split[3]
+
+      dollars_display = ->(dollars_string) do
+        Monetize.parse(dollars_string).format.split('.').first
+      end
+
+      zero_dollars = dollars_display.call('0')
+
+      if price_exponent > 0
+        dollars = price_significant_string.slice(0...price_exponent)
+        slice_end = (price_significant_string.length - price_exponent - 2) * -1
+        if slice_end.zero?
+          cents = price_significant_string.slice(price_exponent..-1)
+        else
+          cents = price_significant_string.slice(price_exponent...slice_end)
+          cents = '00' if cents.empty?
+        end
+        "#{dollars_display.call(dollars)}.#{cents}"
+      elsif price_exponent.zero?
+        cents = price_significant_string.slice(0...2)
+        if cents.to_i.zero?
+          "#{zero_dollars}.00"
+        else
+          "#{zero_dollars}.#{cents}"
+        end
+      elsif price_exponent == -1
+        cent = price_significant_string.slice(0...1)
+        "#{zero_dollars}.0#{cent}"
+      else
+        "#{zero_dollars}.00"
+      end
+    end
+  end
+end

lib/ruby_crypto_etf/displays/terminal.rb

@@ -1,23 +1,30 @@
 module RubyCryptoETF
   attr_reader :table
 
-  class Terminal
+  class TerminalDisplay
+    include BaseDisplay
+
     def initialize(args = {})
-      table = Terminal::Table.new
-      table.headings = ['Coin', 'Amount', 'Value Est.', 'Exchanges']
-      table.title = 'Current MarketCap'
-      @table = table
+      @table = Terminal::Table.new.tap do |tbl|
+        tbl.headings = ['Coin', 'Amount', 'Value Est.', 'Exchange']
+        tbl.title = 'Current MarketCap'
+      end
     end
 
     def visualize(display_data)
-      market_cap = display_data[:market_cap] || ''
-      table.title += " #{market_cap}"
+      market_cap = display_usd_price(display_data[:market_cap]) || ''
       table_rows = []
       display_data[:coins].each do |coin|
-        table_rows << [coin.symbol, coin.amount, coin.value, coin.exchange]
+        table_rows << [coin.symbol,
+                       display_bigdecimal(coin.amount),
+                       display_usd_price(coin.value),
+                       coin.exchange]
+      end
+
+      @table.tap do |tbl|
+        tbl.title += " #{market_cap}"
+        tbl.rows = table_rows
       end
-      @table.rows = table_rows
-      @table
     end
   end
 end

lib/ruby_crypto_etf/markets/coin_market_cap.rb

@@ -26,8 +26,7 @@ def self.symbol_mappings
     def fetch_total_market_cap
       response = @conn.get CoinMarketCap.endpoints[:market_cap]
       market_cap_response = JSON.parse(response.body)
-      total_market_cap_usd_string = market_cap_response['total_market_cap_usd'].to_s
-      @capitalization = display_usd_price(total_market_cap_usd_string)
+      @capitalization = market_cap_response['total_market_cap_usd'].to_s
     end
 
     def fetch_tickers
@@ -59,47 +58,6 @@ def get_usd_for_symbol(coin_symbol)
     def get_coin_ticker_for_symbol(symbol)
       @coin_tickers.find { |ticker| ticker['symbol'] == symbol.upcase }
     end
-
-    private
-
-    def display_usd_price(total_market_cap_usd_string)
-      Money.use_i18n = false
-
-      price_usd = BigDecimal(total_market_cap_usd_string)
-      price_split = price_usd.split
-      price_significant_string = price_split[1]
-      price_exponent = price_split[3]
-
-      dollars_display = ->(dollars_string) do
-        Monetize.parse(dollars_string).format.split('.').first
-      end
-
-      zero_dollars = dollars_display.call('0')
-
-      if price_exponent > 0
-        dollars = price_significant_string.slice(0...price_exponent)
-        slice_end = (price_significant_string.length - price_exponent - 2) * -1
-        if slice_end.zero?
-          cents = price_significant_string.slice(price_exponent..-1)
-        else
-          cents = price_significant_string.slice(price_exponent...slice_end)
-          cents = '00' if cents.empty?
-        end
-        "#{dollars_display.call(dollars)}.#{cents}"
-      elsif price_exponent.zero?
-        cents = price_significant_string.slice(0...2)
-        if cents.to_i.zero?
-          "#{zero_dollars}.00"
-        else
-          "#{zero_dollars}.#{cents}"
-        end
-      elsif price_exponent == -1
-        cent = price_significant_string.slice(0...1)
-        "#{zero_dollars}.0#{cent}"
-      else
-        "#{zero_dollars}.00"
-      end
-    end
   end
 end
 

lib/ruby_crypto_etf/models/portfolio.rb

@@ -34,10 +34,10 @@ def prepare_for_visualization
         coin.value = coin.amount * coin_price
       end
 
-      byebug
+      display_data
     end
 
-    def load_from_settings(settings_file_path)
+    def initialize_exchanges_from_settings(settings_file_path)
       settings = YAML.load_file(settings_file_path)
 
       accounts = settings['accounts'] if settings.keys.include?('accounts')

ruby_crypto_etf.gemspec

@@ -30,5 +30,6 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency "binance-ruby", "~> 0.1", ">= 0.1.8"
   spec.add_runtime_dependency "coinbase", "~> 4.1", ">= 4.1.0"
   spec.add_runtime_dependency "monetize", "~> 1.7", ">= 1.7.0"
+  spec.add_runtime_dependency "terminal-table", "~> 1.8", ">= 1.8.0"
 end