1 files changed, 19 insertions, 2 deletions
diff --git a/app/models/tournament.rb b/app/models/tournament.rb
index 5e8ddfe..ca7fade 100644
--- a/app/models/tournament.rb
+++ b/app/models/tournament.rb
@@ -1,4 +1,21 @@
 class Tournament < ActiveRecord::Base
-  belongs_to :game
-  has_many :matches
+	belongs_to :game
+	has_many :matches
+	has_many :users, :through => :user_tournament_pair
+
+	def open?
+		return true
+	end
+
+	def joinable_by?(user)
+		return ((not user.nil?) and user.in_group?(:player) and open?)
+	end
+
+	def join(user)
+		unless joinable?(user)
+			return false
+		end
+		pair = new_user_tournament_pair(user: user)
+		return pair.save
+	end
 end