Create random-menu.rb

random-menu.rb

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+# This program is designed to create a program to generate a random menu based on the arrays of strings created in advance.
+# prepared by Jessie Zhang at July 6 , 2018
+
+# Welcome message
+puts "\nWelcome to the random-menu program!\n\n"
+
+# crate three arrays for adjectives, cooking styles and foods.
+array_adj = Array.new
+array_style = Array.new
+array_food = Array.new
+
+# ask user to enter the adjuectives they want to use in the menue
+print "\nPlease enter the adjectives you will use to decribe the food, enter exit after you finish: "
+input_adj = gets.chomp.downcase
+
+while input_adj != "exit"
+  if input_adj.strip.empty?      # warn the user if they entered nothing
+    print "invalid input,try again."
+  else
+    array_adj.push(input_adj)
+  end
+  print "Please enter the adjectives you will use to decribe the food, enter exit after you finish: "
+  input_adj = gets.chomp.downcase
+end
+
+# ask user to enter the cooking style they want to use in the menue
+print "\nPlease enter the cooking styles you will use to decribe the food, enter exit after you finish: "
+input_style = gets.chomp.downcase
+
+while input_style != "exit"
+  if input_style.strip.empty?
+    print "invalid input,try again."
+  else
+    array_adj.push(input_style)
+  end
+  array_style.push(input_style)
+  print "Please enter the cooking styles you will use to decribe the food, enter exit after you finish: "
+  input_style = gets.chomp.downcase
+end
+
+#ask the user to enter the food nmae they want to use in the menu
+print "\nPlease enter the food names you will use to decribe the food, enter exit after you finish: "
+input_food = gets.chomp.downcase
+
+while input_food != "exit"
+  if input_food.strip.empty?
+    print "invalid input,try again."
+  else
+    array_adj.push(input_food)
+  end
+  array_food.push(input_food)
+  print "Please enter the food names you will use to decribe the food, enter exit after you finish: "
+  input_food = gets.chomp.downcase
+end
+
+# ask user to enter the number of items in the menu
+print "\nHow many food items you want to create in the manu: "
+item_num = gets.chomp.to_i
+
+array_count = [array_style.count, array_adj.count, array_food.count]
+count_min = array_count.min
+
+while item_num <= 0 || item_num > count_min
+  print "wong input, please enter a positibve integer which is less than or equal to #{count_min}: "
+  item_num = gets.chomp.to_i
+end
+
+# create the random-generated menu
+rand_adj = array_adj.shuffle
+rand_style = array_style.shuffle
+rand_food = array_food.shuffle
+
+puts "\nHere is the menu:"
+
+item_num.times {|i| puts "#{i+1}. #{rand_adj[i]} #{rand_style[i]} #{rand_food[i]}"}