add mvc

exercises/done/command_parser.rb

@@ -48,5 +48,36 @@
 # => { action: :invalid }
 
 def parse_command(input)
-  # À compléter.
+  response = {}
+  parts = input.strip.split
+
+  case parts[0]
+  when "help"
+    if parts.size == 1
+      response[:action] = :help
+    else
+      response[:action] = :invalid
+    end
+  when "quit"
+    if parts.size == 1
+      response[:action] = :quit
+    else
+      response[:action] = :invalid
+    end
+  when "play"
+    if parts.size == 2 && parts[1].match?(/\A\d+\z/) && parts[1].to_i > 0
+      response[:action] = :play
+      response[:card] = parts[1].to_i
+    else
+      response[:action] = :invalid
+    end
+  else
+    response[:action] = :invalid
+  end
+
+  response
 end
+
+print "Entrez une action : "
+input = gets.chomp
+puts parse_command(input)

exercises/done/group_meals.rb

@@ -36,5 +36,14 @@ meals = [
 ]
 
 def meal_totals(meals)
-  # À compléter.
+  total = {}
+  meals.each do |meal|
+    unless total.key?(meal[:food])
+      total[meal[:food]] = 0
+    end
+    total[meal[:food]] += meal[:quantity]
+  end
+  total
 end
+
+puts meal_totals(meals)

exercises/player_score.rb

@@ -15,34 +15,53 @@
 # Le score doit être accessible en lecture mais pas modifiable directement.
 
 class Player
-  # À compléter.
+  attr_reader :name, :score
+
+  def initialize(name)
+    @name = name
+    @score = 0
+  end
+
+  def add_points(points)
+    if points.is_a?(Integer) && points.positive?
+      @score += points
+    end
+  end
+
+  def winner?
+    @score >= 5
+  end
+
+  def reset_score
+    @score = 0
+  end
 end
 
 player = Player.new("Alice")
 
 # Résultats attendus :
 #
-# player.name
+puts player.name
 # => "Alice"
 #
-# player.score
+puts player.score
 # => 0
 #
-# player.add_points(2)
+player.add_points(2)
-# player.score
+puts player.score
 # => 2
 #
-# player.add_points(-1)
+player.add_points(-1)
-# player.score
+puts player.score
 # => 2
 #
-# player.winner?
+puts player.winner?
 # => false
 #
-# player.add_points(3)
+player.add_points(3)
-# player.winner?
+puts player.winner?
 # => true
 #
-# player.reset_score
+player.reset_score
-# player.score
+puts player.score
 # => 0

mvc.rb

@@ -0,0 +1,61 @@
+#!/usr/bin/env ruby
+
+class PeopleDirectory
+  def initialize(people)
+    @people = people
+  end
+
+  def find_people(name)
+    @people.select { |person| person[:name]  == name }
+  end
+end
+
+class UserInput
+  def ask_name
+    print "De quelle personne souhaites-tu connaître l'âge ? "
+    gets.chomp
+  end
+end
+
+class PeopleView
+  def hello_everybody(people)
+  people.each do |person|
+      puts "Hello #{person[:name]}!"
+    end
+  end
+
+  def show_people(people)
+    if people.empty?
+      puts "Aucune personne trouvée."
+    else
+      people.each do |person|
+        puts "#{person[:name]} qui a #{person[:age]} ans"
+      end
+    end
+  end
+end
+
+# Données
+people = [
+  { name: "Alice", age: 30},
+  { name: "Bob", age: 27},
+  { name: "Alice", age: 22}
+]
+
+# Instancier les classes
+directory = PeopleDirectory.new(people)
+input = UserInput.new
+view = PeopleView.new
+
+# Saluer tout le monde
+view.hello_everybody(people)
+
+# Demander un nom
+name = input.ask_name
+
+# Rechercher
+matches = directory.find_people(name)
+
+# Afficher
+view.show_people(matches)
+