Initial comment

Author: Danny_Lai

.bundle/config

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+---
+BUNDLE_BIN: "bin"

.rspec

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+--color
+--require spec_helper

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Debug Local File",
+            "type": "Ruby",
+            "request": "launch",
+            "cwd": "${workspaceRoot}",
+            "program": "${workspaceRoot}/main.rb"
+        },
+        {
+            "name": "Listen for rdebug-ide",
+            "type": "Ruby",
+            "request": "attach",
+            "cwd": "${workspaceRoot}",
+            "remoteHost": "127.0.0.1",
+            "remotePort": "1234",
+            "remoteWorkspaceRoot": "${workspaceRoot}"
+        },
+        {
+            "name": "Rails server",
+            "type": "Ruby",
+            "request": "launch",
+            "cwd": "${workspaceRoot}",
+            "program": "${workspaceRoot}/bin/rails",
+            "args": [
+                "server"
+            ]
+        },
+        {
+            "name": "RSpec - all",
+            "type": "Ruby",
+            "request": "launch",
+            "cwd": "${workspaceRoot}",
+            "program": "${workspaceRoot}/bin/rspec",
+            "args": [
+                "-I",
+                "${workspaceRoot}"
+            ]
+        },
+        {
+            "name": "RSpec - active spec file only",
+            "type": "Ruby",
+            "request": "launch",
+            "cwd": "${workspaceRoot}",
+            "program": "${workspaceRoot}/bin/rspec",
+            "args": [
+                "-I",
+                "${workspaceRoot}",
+                "${file}"
+            ]
+        },
+        {
+            "name": "Cucumber",
+            "type": "Ruby",
+            "request": "launch",
+            "cwd": "${workspaceRoot}",
+            "program": "${workspaceRoot}/bin/cucumber"
+        }
+    ]
+}

.vscode/settings.json

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+{
+}

Gemfile

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+source "https://rubygems.org"
+
+gem 'rspec'

account.rb

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+require './enums.rb'
+require './transaction.rb'
+require 'thread'
+
+class Account
+   include OperationResult
+
+   def initialize(name, balance = 0)
+    @name = name
+    @balance = balance
+    @trans_history = []
+    @mutex = Mutex.new
+  end
+  
+  public
+  def get_balance
+    @balance
+  end
+  
+  def desposit(trans)
+    @mutex.synchronize do
+      if trans.amount <= 0
+        puts "Input amount '#{trans.amount}' invalid"
+        return INVALIDINPUT
+      end
+
+      @balance += trans.amount    
+      puts "Account: #{@name}, desposit: #{trans.amount}, balance: #{@balance}"
+      # add to history
+      @trans_history.push(trans)
+      SUCCEEDED  
+    end 
+    
+  end
+
+  def withdraw(trans)
+    @mutex.synchronize do
+      if @balance >= trans.amount
+          @balance -= trans.amount
+          puts "Account: #{@name}, withdraw: #{trans.amount}, balance: #{@balance}"
+          # add to history
+          @trans_history.push(trans)
+          return SUCCEEDED
+      end
+
+      puts "Account: #{@name}, withdraw failed: #{trans.amount}, balance: #{@balance} not enough"
+      FAILED
+    end
+  end
+
+  def show_balance_info
+    puts "Account:#{@name}, balance: #{@balance}"
+    return SUCCEEDED
+  end
+
+  def show_history(count)
+    if !(count.is_a? Integer) || count < 1 
+       puts "Input '#{count}' invalid"
+       return INVALIDINPUT
+    end
+
+    if !@trans_history.any?
+      puts 'History was empty'    
+      return HISTORYEMPTY
+    end
+
+    puts 'History:'
+    puts '-----------------------------------------'
+    @trans_history[0..count - 1].each_with_index do
+        |t, i| puts "[#{i + 1}] Date: #{t.date}, amount: #{t.amount}, op-code: #{t.code}, memo: #{t.memo}"
+      
+    end
+    puts '-----------------------------------------'
+    return SUCCEEDED
+  end
+
+end

bin/bundle

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'bundle' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "rubygems"
+
+m = Module.new do
+    module_function
+
+  def invoked_as_script?
+    File.expand_path($0) == File.expand_path(__FILE__)
+  end
+
+  def env_var_version
+    ENV["BUNDLER_VERSION"]
+  end
+
+  def cli_arg_version
+    return unless invoked_as_script? # don't want to hijack other binstubs
+    return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
+    bundler_version = nil
+    update_index = nil
+    ARGV.each_with_index do |a, i|
+      if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN
+        bundler_version = a
+      end
+      next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
+      bundler_version = $1 || ">= 0.a"
+      update_index = i
+    end
+    bundler_version
+  end
+
+  def gemfile
+    gemfile = ENV["BUNDLE_GEMFILE"]
+    return gemfile if gemfile && !gemfile.empty?
+
+    File.expand_path("../../Gemfile", __FILE__)
+  end
+
+  def lockfile
+    lockfile =
+      case File.basename(gemfile)
+      when "gems.rb" then gemfile.sub(/\.rb$/, gemfile)
+      else "#{gemfile}.lock"
+      end
+    File.expand_path(lockfile)
+  end
+
+  def lockfile_version
+    return unless File.file?(lockfile)
+    lockfile_contents = File.read(lockfile)
+    return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
+    Regexp.last_match(1)
+  end
+
+  def bundler_version
+    @bundler_version ||= begin
+      env_var_version || cli_arg_version ||
+        lockfile_version || "#{Gem::Requirement.default}.a"
+    end
+  end
+
+  def load_bundler!
+    ENV["BUNDLE_GEMFILE"] ||= gemfile
+
+    # must dup string for RG < 1.8 compatibility
+    activate_bundler(bundler_version.dup)
+  end
+
+  def activate_bundler(bundler_version)
+    if Gem::Version.correct?(bundler_version) && Gem::Version.new(bundler_version).release < Gem::Version.new("2.0")
+      bundler_version = "< 2"
+    end
+    gem_error = activation_error_handling do
+      gem "bundler", bundler_version
+    end
+    return if gem_error.nil?
+    require_error = activation_error_handling do
+      require "bundler/version"
+    end
+    return if require_error.nil? && Gem::Requirement.new(bundler_version).satisfied_by?(Gem::Version.new(Bundler::VERSION))
+    warn "Activating bundler (#{bundler_version}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_version}'`"
+    exit 42
+  end
+
+  def activation_error_handling
+    yield
+    nil
+  rescue StandardError, LoadError => e
+    e
+  end
+end
+
+m.load_bundler!
+
+if m.invoked_as_script?
+  load Gem.bin_path("bundler", "bundle")
+end

bin/htmldiff

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'htmldiff' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 150) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("diff-lcs", "htmldiff")

bin/ldiff

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'ldiff' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 150) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("diff-lcs", "ldiff")

bin/rspec

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'rspec' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 150) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rspec-core", "rspec")