Add feature to original cashier gist.

more_cashier_run.rb

load "more_feature_cashier.rb"

puts "Welcome to James\' coffee emporium!"

product_list

product_price

choices_for_selection

make_selection

while_loop

sale_complete

amount_tendered
    
daily_report

more_feature_cashier.rb

require 'csv'
require 'table_print'
require 'json'
require 'pry'
#The owner at the cash register can 
#Enter purchases (S), (M), and (L) 
#Without manually entering prices.
#+What type of purchase they want Light, Medium, Bold, or Complete
#+Number of bags to purchase
#+Accept user input
#+Subtotal for each type 
#+Total type purchase + quantity
  @product_lists = {}
  def product_list
    i = 1 
    CSV.foreach("products.csv", headers: true) do |row|
      @product_lists[i] = row 
      puts "#{i} Add item - #{row["name"]} - #{row["retail_price"]}"
      i += 1
    end
  end

  @coffee_prices = []
  def product_price
    @product_lists.each do |list|
      @coffee_prices <<  { list[1]["name"] => list[1]["retail_price"].to_f, "quantity" => 0,  "whole_sale" => list[1]["purchasing_price"].to_f }
    end
  end


  def time_format
    time = Time.now
    "#{time.month}/#{time.day}/#{time.year} #{time.strftime("%I")}:#{time.strftime("%M")}" 
  end

  def thankyou_message
    puts "==Thank You!==="
    puts "The total change due is $#{@amount_tendered - @total_price }\n"
    puts time_format
    puts "==============="
  end

  def choices_for_selection
  @product_lists
  end

  def make_selection
    puts "Make a selection: "
    print ">"
  end

  def purchase_order_method
    user_input_method
    puts "How many bags?"
    total_bags_purchased
    @coffee_prices[@user_input-1]["quantity"] = @total_bags   
  end

  def while_loop
    purchase_order_method
    @total_price = @coffee_prices[@user_input-1].values[0..1].inject(:*)
    puts "Next line is the total_price"
    puts @total_price
    while @user_input != "done" || @user_input.to_i != 0  
    
      puts "Subtotal: $#{@total_price}"
      puts "What item is being purchased?"
      print ">"
      @user_input = gets.chomp
      break if @user_input.to_i == 0 || @user_input == "done"
      puts "How many bags?"
      @total_bags = gets.to_i
      purchase = @coffee_prices[@user_input.to_i - 1]
      @coffee_prices[@user_input.to_i - 1]["quantity"] += @total_bags 

      @total_price += (purchase.values[0] * @total_bags) 
    end
  end
  
  def sale_complete
    puts "===Sale Complete==="
    @purchase = []
    @quantity = []
    @retail_price = []
    @purchasing_price = []

    @coffee_prices.each do |value|
      puts
        print "$#{ value.values[0..1].inject(:*) } -- #{ value["quantity"] } #{ value.keys[0] }" unless value == 0 || value =="done"
        current_purchase = value.keys[0]  
        quantity_purchase =  value["quantity"]
        selling_price = value[value.keys[0]]
        wholesale_price = value["whole_sale"]
        
        if value["quantity"] != 0 
          @quantity << quantity_purchase
          @purchase << current_purchase
          @retail_price << selling_price 
          @purchasing_price << wholesale_price
        end
    end

    File.open("output.json", 'a+') do |file|
      data = { time_format: time_format, purchase: @purchase, quantity: @quantity, retail_price: @retail_price, purchasing_price: @purchasing_price }
      file.puts data.to_json
    end
  end

  def amount_tendered
    puts "\nTotal: $#{@total_price}"
    puts "What is the amount tendered?"
    print "> "
    @amount_tendered = gets.chomp.to_i
    while @total_price > @amount_tendered 
      puts "Remaining #{@total_price - @amount_tendered}"
      @total_price = @total_price - @amount_tendered
      puts "What is the amount tendered?"
      print "> "
      @amount_tendered = gets.chomp.to_i
      thankyou_message if @amount_tendered > @total_price
    end
  end

  def daily_report
    puts "Would you like to view today\'s sales?- \'y\' or \'n\'"
    answer = gets.chomp
    if answer == 'y' 
      report = [] 

      puts "What date would you like to see? - (m/d/year)"
      @review_date = gets.chomp
      puts 

     transaction = File.open('output.json', 'a+').each do |line|
        @transaction = JSON.parse(line) 
        if @transaction["time_format"].include?(@review_date)
          report << @transaction 
        elsif DateTime.strptime(@review_data, "%m/%d/%Y").to_time > Time.now
         puts "Future date can not be found. Error. Error."
        else 
          puts "Wrong input. Error"
          break
        end
      end
          tp report

        i = 0 
        @gross_sales = 0
        @net_profit  = 0 

        report.each do |transaction|
        keys = []
        i+=1
        @trans_total = 0 
        @net_total = 0 
        
          transaction["purchase"].each do |item_purchase|
            keys << item_purchase
          end

          i = 0
          keys.each_with_index do |item_name, index|
            @trans_total += (transaction["retail_price"][index] * transaction["quantity"][index])
            @net_total += (transaction["purchasing_price"][index] * transaction["quantity"][index] )
            
            i += 1
          end
          @gross_sales +=  @trans_total
          @net_profit += @net_total
        end
        
        puts "Gross_sales #{@gross_sales}"

        puts "Net profit #{@gross_sales - @net_profit}"
    end
  end

  def user_input_method
    @user_input = gets.chomp.to_i
  end

  def total_bags_purchased
    @total_bags = gets.to_i
  end

output.json

{"time_format":"11/23/2013 08:07","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:08","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:08","purchase":["light","medium","bold","javachip"],"quantity":[1,1,1,1],"retail_price":[5.0,7.5,9.75,13.0],"purchasing_price":[3.0,4.0,5.0,8.0]}
{"time_format":"11/23/2013 08:12","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:13","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:18","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:31","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:32","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:33","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:34","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:41","purchase":["light"],"quantity":[2],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:46","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}
{"time_format":"11/23/2013 08:47","purchase":["light"],"quantity":[1],"retail_price":[5.0],"purchasing_price":[3.0]}

products.csv

test.rb

#