Water - Jessica C

main.rb

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+require_relative 'planet'
+require_relative 'solar_system'
+
+def main
+  solar_system = SolarSystem.new('Zeus')
+  tatooine = Planet.new('Tatooine', 'orange-ish', 6.34e48, 1.29e13, 'has two moons')
+  pluto = Planet.new('Pluto', 'purple', 10, 2.8e293, 'counts as a planet in some books')
+  solar_system.add_planet(tatooine)
+  solar_system.add_planet(pluto)
+
+  option = ""
+
+  until option == "exit"
+    puts "Please choose one of these options:
+  1. list planets
+  2. get planet details
+  3. add planet
+  4. exit"
+
+    option = gets.chomp.downcase
+
+    case option
+    when "list planets"
+      puts solar_system.list_planets
+    when "get planet details"
+      puts "Which planet's details do you want to know? "
+      get_planet = gets.chomp
+      puts solar_system.find_planet_by_name(get_planet).summary
+    when "add planet"
+      puts "Please enter new planet name"
+      name = gets.chomp
+      puts "Enter planet color"
+      color = gets.chomp
+      puts "Enter planet mass"
+      mass = gets.chomp.to_f
+      puts "Enter planet distance from sun"
+      distance = gets.chomp
+      puts "Enter a fun fact about the planet"
+      fact = gets.chomp
+
+      solar_system.add_planet(Planet.new(name, color, mass, distance, fact))
+    end
+  end
+
+end
+
+main

planet.rb

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+class Planet
+
+  attr_reader :name, :color, :mass_kg, :distance_from_sun_km, :fun_fact
+
+  def initialize (name, color, mass_kg, distance_from_sun_km, fun_fact)
+    @name = name
+    @color = color
+    @mass_kg = mass_kg
+    @distance_from_sun_km = distance_from_sun_km
+    @fun_fact = fun_fact
+  end
+
+  def summary
+    return "#{@name} is #{@color}, has a mass of #{@mass_kg} kg, is #{@distance_from_sun_km} km from the sun and #{@fun_fact}"
+  end
+
+
+end

solar_system.rb

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+class SolarSystem
+  attr_reader :star_name, :planets
+
+  def initialize(star_name)
+    @star_name = star_name
+    @planets = []
+  end
+
+  def add_planet(planet)
+    @planets << planet
+  end
+
+  def list_planets
+    planets_output = "Planets orbiting #{@star_name}\n"
+    @planets.each_with_index {|planet, i| planets_output += "#{i+1}. #{planet.name}\n"}
+    return planets_output
+  end
+
+  def find_planet_by_name(find_planet)
+    @planets.each {|planet| return planet if planet.name.downcase == find_planet.downcase}
+  end
+end