add solar system file

planets2.rb

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+class Planet
+
+  attr_accessor :name, :diameter, :mass, :number_of_moons, :color, :distance_from_the_sun
+
+  def initialize(planet_hash)
+    @name = planet_hash[:name]
+    @diameter = planet_hash[:diameter]
+    @mass = planet_hash[:mass]
+    @color = planet_hash[:color]
+    @number_of_moons = planet_hash[:number_of_moons]
+    @distance_from_the_sun = planet_hash[:distance_from_the_sun]
+  end
+
+  def number_of_moons(number_of_moons = 0)
+      @number_of_moons = number_of_moons
+  end
+
+  def about
+    puts "I am a planet named #{@name}! I have a diameter of #{@diameter} meters and a mass of #{@mass} kilograms."
+    puts "I have #{@number_of_moons} moons and I am #{@color}."
+    puts "I am #{@distance_from_the_sun} meters from the sun"
+  end
+
+end

solar_system.rb

@@ -0,0 +1,48 @@
+class SolarSystem
+
+attr_accessor :name, :planets
+
+  def initialize (planet_hash)
+    @name = planet_hash[:name]
+    @planets = []
+  end
+
+  def add_planet(planet)
+    @planets.push(planet)
+  end
+
+  def add_multiple_planets(planet_array)
+    planet_array.each do |plan|
+      @planets.push(plan)
+    end
+  end
+
+  def about
+  puts "Here are the planets in the #{@name} solar system:"
+  count = 1
+
+    @planets.each do |planet|
+     puts "#{count}. #{planet.name}"
+     count += 1
+    end
+    puts "#{count}. Exit"
+    puts "Which planet do you want to learn about?"
+    learn = gets.chomp.to_i
+    continue = true
+
+    while continue == true
+       if learn < count
+         planets[learn-1].about
+         puts "What planet do you want to learn about next?"
+         learn = gets.chomp.to_i
+       elsif learn == count
+         puts "Goodbye!"
+         continue = false
+       else
+         puts "I am sorry. I don't know what you mean. Please enter in a number from 1 to #{count-1} to learn about a planet, or #{count} to exit"
+         learn = gets.chomp.to_i
+       end
+    end
+  end
+
+end

solar_system_program.rb

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+require "./planets2"
+require "./solar_system"
+
+apple_hash = {
+  name:"Apple",
+  diameter: 60,
+  mass:4_500,
+  number_of_moons:0,
+  color:"red",
+  distance_from_the_sun:4000,
+}
+
+apple = Planet.new(apple_hash)
+
+pear_hash = {
+  name: "Pear",
+  diameter: 20,
+  mass: 3000,
+  number_of_moons: 4,
+  color: "green",
+  distance_from_the_sun: 5000,
+}
+
+pear = Planet.new(pear_hash)
+
+orange_hash = {
+  name: "Orange",
+  diameter: 10,
+  mass: 500,
+  color: "orange",
+  distance_from_the_sun:10000,
+}
+
+orange = Planet.new(orange_hash)
+
+orange.number_of_moons
+
+planets_array = []
+planets_array.push(apple)
+planets_array.push(pear)
+
+tree_hash = {
+  name: "Tree",
+}
+
+tree = SolarSystem.new(tree_hash)
+
+
+tree.add_planet(orange)
+
+tree.add_multiple_planets(planets_array)
+
+tree.about
+
+# Empty Hash template to create new planets
+#empty_planet = {
+#   name:,
+#   diameter:,
+#   mass:,
+#   number_of_moons:,
+#   color:,
+#   distance_from_the_sun:,
+# }