Laura Melgarejo/ Solar System

laura_solar_system.rb

@@ -0,0 +1,91 @@
+class Planet
+  attr_accessor :name, :mass, :color, :made_of, :diameter, :solar_rotation, :distance_from_the_sun
+
+  def initialize params = {}
+    @name = params[:name]
+    @mass = params[:mass]
+    @color = params[:color]
+    @made_of = params[:made_of]
+    @diameter = params[:diameter]
+    @solar_rotation = params[:solar_rotation]
+    @distance_from_the_sun = params[:distance_from_the_sun]
+  end
+
+  def pretty_info
+    puts "name of the planet = #{@name}"
+    puts "mass = #{@mass}"
+    puts "color = #{@color}"
+    puts "made of = #{@made_of}"
+    puts "diameter = #{@diameter}"
+    puts "solar rotation rate = #{@solar_rotation}"
+    puts "distance_from_the_sun = #{@distance_from_the_sun}"
+  end
+
+end
+
+#I called this class like this because, for what I understood, a class is created
+#to be use multiple times, and there is only one 'solar system'. The one that we live in :)
+#It makes more sense to me to set it as a planetary system, which are billions of them.
+class PlanetarySystem 
+  attr_accessor :planet #I am not using this attr, and it works without this line.
+
+  def initialize
+    @planets_list = []
+  end
+
+  def add_to_planets_list(planet)
+    @planets_list<< planet
+    @planets_list
+  end
+
+  def names
+    planets = []
+    @planets_list.each do |planet|
+      planets<< planet.name
+    end
+    planets
+  end
+
+  def find_planet_by_name(name)
+    result = nil
+    @planets_list.each do |planet|
+      if name == planet.name
+        result = planet
+      end
+    end
+    result
+  end
+end
+
+mercury = Planet.new(name: "mercury", mass: "3.3011 * 10^23 kg", color: "grey", made_of: "Mostly iron", diameter: "4879 Km", solar_rotation: "175.97 days", distance_from_the_sun: "57.91 million Km")
+venus = Planet.new(name: "venus", mass: "4.867 * 10^24 kg", color: "Yelloswish white", made_of: "Mostly iron and rocks.", diameter: "12,104 Km", solar_rotation: "224.7 days", distance_from_the_sun: "108.2 million Km")
+earth = Planet.new(name: "earth", mass: "5.971 * 10^24 kg", color: "Blue", made_of: "Mostly water", diameter: "12,742 Km", solar_rotation: "24.47 days", distance_from_the_sun: "149.6 million Km")
+mars = Planet.new(name: "mars", mass: "6.39 * 10^23 kg", color: "Red", made_of: "oxidized iron dust and rocks", diameter: "6,779 Km", solar_rotation: "24.57 days", distance_from_the_sun: "227.9 million Km")
+jupiter = Planet.new(name: "jupiter", mass: "1.898 * 10^27 kg", color: "White, red, orange, brown, and yellow", made_of: "hydrogen and helium", diameter: "139,822 Km", solar_rotation: "24.57 days", distance_from_the_sun: "778.5 million Km")
+saturn = Planet.new name: "saturn", mass: "5.683 * 10^26 kg", color: "Turns from blue to gold.", made_of: "hydrogen", diameter: "116,464 Km", solar_rotation: "24.57 days", distance_from_the_sun: "1.429 billion Km"
+uranus = Planet.new name: "uranus", mass: "8.681 * 10^25 kg", color: "Blue", made_of: "hydrogen and helium", diameter: "50,724 Km", solar_rotation: "24.57 days", distance_from_the_sun: "2.871 billion Km"
+neptune = Planet.new name: "neptune", mass: "1.024 * 10^26 kg", color: "Blue", made_of: "Hydrogen and helium", diameter: "49,244 Km", solar_rotation: "0.67 days", distance_from_the_sun: "4.498 billion Km"
+#I could not find all the right solar rotations. Some of them I just kept them as random numbers :)
+
+solar_system = PlanetarySystem.new
+solar_system.add_to_planets_list(mercury)
+solar_system.add_to_planets_list(venus)
+solar_system.add_to_planets_list(earth)
+solar_system.add_to_planets_list(mars)
+solar_system.add_to_planets_list(jupiter)
+solar_system.add_to_planets_list(saturn)
+solar_system.add_to_planets_list(uranus)
+solar_system.add_to_planets_list(neptune)
+
+puts "About which planet do you want to learn more today?"
+puts "The options are: #{solar_system.names}"
+
+planet = gets.chomp.downcase
+
+chosen_planet = solar_system.find_planet_by_name("#{planet}")
+
+if chosen_planet == nil
+  puts "This is not an option!"
+else
+  puts solar_system.find_planet_by_name("#{planet}").pretty_info
+end

solar_system.rb

@@ -0,0 +1 @@
+puts "akjsgcudjkshvdklsv"