planet_phase2.rb

planet_phase2.rb

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+class Solar_system
+  attr_accessor :planets  #getters n setters
+  def initialize(planets)
+    @planets = planets
+  end
+
+  def add_planet name
+    puts "what's the name of the planet?"
+    new_name = gets.chomp
+    puts "How many moons does your planet have?"
+    new_moons = gets.chomp
+    puts "How many rings?"
+    new_rings = gets.chomp
+    puts "What's the mass?"
+    new_mass = gets.chomp
+    puts "What's the diameter?"
+    new_diameter = gets.chomp
+    puts "What's the solar rotation rate?"
+    new_solar_rotation_rate = gets.chomp
+    puts "What's the distance from sun?"
+    new_distance_from_sun = gets.chomp
+
+    new_planet = Planet.new(name: "#{new_name}", moons: "#{new_moons}", rings: "#{new_rings}", mass: "#{new_mass}", diameter: "#{new_diameter}", solar_rotation_rate:  "#{new_solar_rotation_rate}", distance_from_sun: "#{new_distance_from_sun}")
+    planets << new_planet.flatten #flatten separates data into topics in array
+  end
+
+  def planet_info planets#method for info on planets
+    puts "Here are stats on #{planets.name}: it has #{planets.rings} rings and #{planets.moons} moons. It's mass is #{planets.mass} and diameter is #{planets.diameter}." +
+    "It is #{planets.distance_from_sun} from the sun, and has a solar rotation rate of #{planets.solar_rotation_rate}."
+  end
+end
+
+class Planet
+  attr_accessor :name, :moons, :rings, :mass, :diameter, :solar_rotation_rate, :distance_from_sun #getters n setters
+
+  def initialize(planet_hash)
+    @name = planet_hash[:name]
+    @moons = planet_hash[:moons] #could I put in || "0" as default and not worry about entering so much data?
+    @rings = planet_hash[:rings] || "0"
+    @mass = planet_hash[:mass]
+    @diameter = planet_hash[:diameter]
+    @solar_rotation_rate = planet_hash[:solar_rotation_rate]
+    @distance_from_sun = planet_hash[:distance_from_sun]
+
+    if planet_hash[:moons] == nil
+      @moons = "0"
+    end
+
+    if planet_hash[:rings] == nil
+      @rings = []
+    end
+  end
+end
+
+
+#pass all known data on each planet
+mercury = Planet.new(name: "Mercury", moons: "0", rings: "0", mass: "3.3 x 10^23kg", diameter: "3031 miles",
+          solar_rotation_rate: "89 earth days", distance_from_sun: "36 million miles")
+jupiter = Planet.new(name: "Jupiter", moons: "67", rings: "0", mass: "1.9 x 10^27kg", diameter: "88729 miles",
+          solar_rotation_rate: "12 earth years", distance_from_sun: "483.6 million miles")
+earth =  Planet.new(name: "Earth", moons: "1", rings: "0", mass: "6*10^24kg", diameter: "7926 miles",
+          solar_rotation_rate: "365 earth days", distance_from_sun: "93 million miles")
+mars =   Planet.new(name: "Mars", moons: "2", rings: "0", mass: "6.42*10^23kg", diameter: "4222 miles",
+          solar_rotation_rate:"687 earth miles", distance_from_sun: "141.6 million miles")
+venus =  Planet.new(name: "Venus", moons: "0", rings: "0", mass: "4.87*(10^24)kg", diameter: "7521 miles",
+          solar_rotation_rate: "225 earth days", distance_from_sun: "67.2 million miles")
+
+
+planets = [mercury, jupiter, earth, mars, venus]
+my_system = Solar_system.new(planets)
+
+# ask user for input
+puts "What planet would you like to learn about? Please enter the number of your selection or type quit to leave:
+1. Mercury
+2. Earth
+3. Mars
+4. Jupiter
+5. Venus"
+
+user_planet = gets.chomp.downcase
+
+#output after selection by user with corresponding planet info
+#give correlating planet key/value from hashcase
+while user_planet != "quit"
+  if user_planet == "1. Mercury" || user_planet == "Mercury" || user_planet == "1"
+    puts my_system.planet_info mercury
+  elsif
+    user_planet == "2. Earth" || user_planet == "Earth" || user_planet == "2"
+    puts my_system.planet_info earth
+  elsif
+    user_planet == "3. Mars" || user_planet == "Mars" || user_planet == "3"
+    puts my_system.planet_info mars
+  elsif
+    user_planet == "4. Jupiter" || user_planet == "Jupiter" || user_planet == "4"
+    puts my_system.planet_info jupiter
+  elsif
+    user_planet == "5. Venus" || user_planet == "Venus" || user_planet == "5"
+    puts my_system.planet_info venus
+  else puts "We didn't get your response - Try again!"
+  end
+
+  puts "Do you want to learn about another planet? Select again or quit:
+    1. Mercury
+    2. Earth
+    3. Mars
+    4. Jupiter
+    5. Venus"
+    user_planet = gets.chomp.downcase
+
+if user_planet == "quit"
+    puts "Thanks for visiting!"
+  end
+end