Add Blue Star award and refactor

award_names.rb

@@ -0,0 +1,6 @@
+module AwardNames
+    BLUE_DISTINCTION_PLUS = 'Blue Distinction Plus'
+    BLUE_FIRST = 'Blue First'
+    BLUE_COMPARE = 'Blue Compare'
+    BLUE_STAR = 'Blue Star'
+end

award_quality_update_manager.rb

@@ -0,0 +1,28 @@
+require 'award'
+require 'award_names'
+Dir["./award_quality_update_strategies/*.rb"].each {|file| require file }
+
+class AwardQualityUpdateManager 
+    def self.get_strategy(award)
+        case award.name
+        when AwardNames::BLUE_COMPARE
+            return BlueCompareStrategy.new
+
+        when AwardNames::BLUE_DISTINCTION_PLUS
+            return BlueDistinctionStrategy.new
+
+        when AwardNames::BLUE_FIRST
+            return BlueFirstStrategy.new
+
+        when AwardNames::BLUE_STAR
+            return BlueStarStrategy.new
+
+        else
+            return NormalStrategy.new
+        end
+    end
+
+    def self.update(award)
+        get_strategy(award).update(award)
+    end
+end

award_quality_update_strategies/blue_compare_strategy.rb

@@ -0,0 +1,23 @@
+class BlueCompareStrategy
+    def update(award)
+
+        if award.quality < 50
+            award.quality += 1
+            if award.expires_in < 11
+              award.quality += 1
+            end
+            if award.expires_in < 6
+              award.quality += 1
+            end
+
+            award.quality = [award.quality, 50].min
+        end
+
+        award.expires_in -= 1
+
+        # Quality drops to 0 after expiration
+        if award.expires_in < 0
+            award.quality = 0
+        end
+    end 
+end

award_quality_update_strategies/blue_distinction_plus_strategy.rb

@@ -0,0 +1,6 @@
+class BlueDistinctionStrategy
+    def update(award)
+        # Never decreases in quality
+        award.quality = 80
+    end
+end

award_quality_update_strategies/blue_first_strategy.rb

@@ -0,0 +1,14 @@
+class BlueFirstStrategy
+    def update(award)
+        if award.quality < 50
+            award.quality += 1
+        end
+        award.expires_in -= 1
+
+        if award.expires_in < 0 && award.quality < 50
+            award.quality += 1
+        end
+
+        award.quality = [award.quality, 50].min
+    end
+end

award_quality_update_strategies/blue_star_strategy.rb

@@ -0,0 +1,13 @@
+class BlueStarStrategy
+    def update(award)
+        if award.quality > 0 && award.expires_in > 0
+           award.quality = [award.quality - 2, 0].max
+        end
+
+        award.expires_in -=1 
+
+        if award.expires_in < 0 && award.quality > 0
+            award.quality = [award.quality - 4, 0].max
+        end
+    end
+end

award_quality_update_strategies/normal_strategy.rb

@@ -0,0 +1,13 @@
+class NormalStrategy
+    def update(award)
+        if award.quality > 0
+            award.quality -= 1
+        end
+
+        award.expires_in -= 1
+
+        if award.expires_in < 0 && award.quality > 0
+            award.quality -= 1
+        end
+    end
+end