1 files changed, 46 insertions, 0 deletions
diff --git a/app/models/tournament.rb b/app/models/tournament.rb
index dcdb8d5..e408cfe 100644
--- a/app/models/tournament.rb
+++ b/app/models/tournament.rb
@@ -1,3 +1,49 @@
 class Tournament < ActiveRecord::Base
 	belongs_to :game
+	has_many :matches
+	has_and_belongs_to_many :players, class_name: "User", association_foreign_key: "player_id", join_table: "players_tournaments"
+	has_and_belongs_to_many :hosts,   class_name: "User", association_foreign_key: "host_id",   join_table: "hosts_tournaments"
+
+	def open?
+		return true
+	end
+
+	def joinable_by?(user)
+		return (open? and user.can?(:join_tournament) and !players.include?(user))
+	end
+
+	def join(user)
+		unless joinable_by?(user)
+			return false
+		end
+		players.push(user)
+	end
+
+	def leave(user)
+		if players.include?(user) && status == 0
+			players.delete(user)
+		end
+	end
+
+	def setup
+		num_teams = (self.players.count/self.min_players_per_team).floor
+		num_matches = num_teams - 1
+		for i in 1..num_matches
+			self.matches.create(name: "Match #{i}", status: 0)
+		end
+		match_num = 0
+		team_num = 0
+		#for each grouping of min_players_per_team
+		self.players.each_slice(min_players_per_team) do |players|
+			#create a new team in the current match
+			self.matches[match_num].teams.push(Team.create(users: players))
+			#if the match is full, move to the next match, otherwise move to the next team
+			if (team_num != 0 and team_num % max_teams_per_match == 0)
+				match_num += 1
+				team_num = 0
+			else
+				team_num += 1
+			end
+		end
+	end
 end