Worlds Bets

app/models/world_bet.rb

@@ -0,0 +1,93 @@
+# == Schema Information
+#
+# Table name: world_bets
+#
+#  id           :integer          not null, primary key
+#  bet          :string
+#  french_score :integer
+#  name         :string
+#  score        :integer
+#  world_score  :integer
+#  created_at   :datetime         not null
+#  updated_at   :datetime         not null
+#
+class WorldBet < ApplicationRecord
+  validates :name, presence: true, uniqueness: true
+  validates :score, presence: true, numericality: { greater_than_or_equal_to: 0 }
+  validates :french_score, presence: true, numericality: { greater_than_or_equal_to: 0 }
+  validates :world_score, presence: true, numericality: { greater_than_or_equal_to: 0 }
+
+  @@multiplier_array = [ 20, 15, 12, 10, 8, 6, 4, 3, 2, 1 ]
+  @@points_array = [ 100, 70, 50, 40, 30, 26, 23, 20, 17, 15 ]
+
+  def self.multiplier(i)
+    if i < 0 or i > 9
+      return 0
+    end
+    @@multiplier_array[i]
+  end
+
+  def self.points(i)
+    if !i || i < 1
+      return 0
+    end
+    if i <= 10
+      return @@points_array[i - 1]
+    end
+    if i <= 20
+      return 12
+    end
+    if i <= 30
+      return 10
+    end
+    if i <= 40
+      return 8
+    end
+    if i <= 50
+      return 7
+    end
+    if i <= 60
+      return 6
+    end
+    if i <= 70
+      return 5
+    end
+    if i <= 80
+      return 4
+    end
+    if i <= 90
+      return 3
+    end
+    if i <= 100
+      return 2
+    end
+    if i <= 150
+      return 1
+    end
+    0
+  end
+
+  def serialize_bet(w, f)
+    self.bet = "#{w.join(',')};#{f.join(',')}"
+  end
+
+  def compute_score(participant_scores)
+    self.score = 0
+    self.french_score = 0
+    self.world_score = 0
+    w = self.bet.split(";", -1).first.split(",", -1)
+    w.each_with_index do |participant_id, i|
+      if participant_scores.has_key?(Integer(participant_id))
+        self.score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
+        self.world_score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
+      end
+    end
+    f = self.bet.split(";", -1).last.split(",", -1)
+    f.each_with_index do |participant_id, i|
+      if participant_scores.has_key?(Integer(participant_id))
+        self.score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
+        self.french_score += participant_scores[Integer(participant_id)] * WorldBet.multiplier(i)
+      end
+    end
+  end
+end