Added basic Terminal-Table output for Models,

Supported: Basic Contracts

api.gemspec

@@ -40,4 +40,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rspec", "~> 3.0"
 	spec.add_dependency 'activesupport', '>= 6.0'
 	spec.add_dependency 'activemodel'
+	spec.add_dependency 'terminal-table'
 end

lib/extensions/class-extensions.rb

@@ -5,10 +5,19 @@ def count_duplicates
         self.each_with_object(Hash.new(0)) { |element, counter| counter[element] += 1 }.sort_by{|k,v| -v}.to_h
       end
     end
+
+    module TablePresenter
+      def as_table
+        the_table_header = first.table_header
+        the_table_rows = map &:table_row
+        Terminal::Table.new headings: the_table_header, rows: the_table_rows , style: { border: :unicode }
+      end
+    end
   end
 end
 
 Array.include CoreExtensions::Array::DuplicatesCounter
+Array.include CoreExtensions::Array::TablePresenter
 
 
 

lib/ib/base_properties.rb

@@ -17,12 +17,24 @@ def to_human
       end.compact.sort.join(' ') + ">"
     end
 
+    def table_header
+     [ self.class.to_s.demodulize ] +  content_attributes.keys
+    end
+    def table_row
+     [ self.class.to_s.demodulize ] +  content_attributes.values
+    end
+
+
+    def as_table
+      Terminal::Table.new headings: table_header, rows: [table_row ], style: { border: :unicode }
+    end
+
     # Comparison support
     def content_attributes
 			#NoMethodError if a Hash is assigned to an attribute
       Hash[attributes.reject do |(attr, _)|
                                   attr.to_s =~ /(_count)\z/ ||
-                                    [:created_at, :type, # :updated_at, 
+                                    [:created_at, :type,  :updated_at,
                                      :id, :order_id, :contract_id].include?(attr.to_sym)
       end]
     end

lib/models/ib/contract.rb

@@ -304,6 +304,23 @@ def to_human
          ].compact.join(" ") + ">"
     end
 
+    def table_header
+      [ '', 'symbol',  'con_id', 'exchange', 'expiry','multiplier', 'trading-class' , 'right', 'strike', 'currency' ]
+    end
+
+    def table_row
+      [ self.class.to_s.demodulize, symbol, 
+         con_id.zero? ? '' : con_id ,
+         { value: exchange, alignment: :center}, 
+         expiry, 
+         { value: multiplier.zero??  "" : multiplier, alignment: :center}, 
+         { value: trading_class, alignment: :center},
+         {value: right == :none ? "": right, alignment: :center }, 
+         { value: strike.zero? ? "": strike, alignment: :right}, 
+         { value: currency, alignment: :center} ]
+
+    end
+
     def to_short
       if expiry.blank? && last_trading_day.blank? 
       "#{symbol}# {exchange}# {currency}"

lib/requires.rb

@@ -1,6 +1,7 @@
 require 'active_support/core_ext/module/attribute_accessors.rb'
 require 'extensions/class-extensions'
 
+require 'terminal-table'
 
 require 'ib/version'
 require 'ib/errors'