Merge pull request #759 from splitrb/avoid-experiment-reloads

Avoid experiment reloads when loading the dashboard

Author: andrehjr

lib/split/alternative.rb

@@ -6,6 +6,7 @@ class Alternative
     attr_accessor :experiment_name
     attr_accessor :weight
     attr_accessor :recorded_info
+    attr_writer :experiment
 
     def initialize(name, experiment_name)
       @experiment_name = experiment_name
@@ -100,7 +101,7 @@ def conversion_rate(goal = nil)
     end
 
     def experiment
-      Split::ExperimentCatalog.find(experiment_name)
+      @experiment ||= Split::ExperimentCatalog.find(experiment_name)
     end
 
     def z_score(goal = nil)

lib/split/experiment.rb

@@ -57,7 +57,7 @@ def set_alternatives_and_options(options)
       )
 
       self.alternatives = options_with_defaults[:alternatives]
-      self.goals = options_with_defaults[:goals]
+      self.goals = options_with_defaults[:goals] || []
       self.resettable = options_with_defaults[:resettable]
       self.algorithm = options_with_defaults[:algorithm]
       self.metadata = options_with_defaults[:metadata]
@@ -145,6 +145,7 @@ def alternatives=(alts)
           Split::Alternative.new(alternative, @name)
         end
       end
+      @alternatives.each { |alternative| alternative.experiment = self }
     end
 
     def winner