Optimizing api, fixed bug when no tasks are shown

burden_web/app/controllers/burden_web/application_controller.rb

@@ -1,9 +1,11 @@
 module BurdenWeb
   class ApplicationController < ActionController::Base
-    def tasks
-      Rails.application.load_tasks
-      Rake.application.tasks.keep_if do |task|
-        task.name =~ /^[a-z0-9_:]+$/
+    def rake_tasks
+      @rake_tasks ||= begin
+        Rails.application.load_tasks
+        Rake.application.tasks.keep_if do |task|
+          task.name =~ /^[a-z0-9_:]+$/
+        end
       end
     end
   end

burden_web/app/controllers/burden_web/runs_controller.rb

@@ -1,7 +1,7 @@
 module BurdenWeb
   class RunsController < ApplicationController
     def index
-      @runs = Burden::Storage.run.history(params[:task_id])
+      @runs = Burden.runs.history(params[:task_id])
     end
   end
 end

burden_web/app/controllers/burden_web/tasks_controller.rb

@@ -1,10 +1,10 @@
 module BurdenWeb
   class TasksController < ApplicationController
     def index
-      @tasks = Burden::Storage.run.summary
-      (tasks.map(&:name) - @tasks.map(&:name)).each do |nr_task| # Never runned tasks
+      @tasks = Burden.runs.summary
+      (rake_tasks.map(&:name) - @tasks.map(&:name)).each do |nr_task| # Never runned tasks
         next if ignore? nr_task
-        @tasks << Burden::Storage.run.new(
+        @tasks << Burden.runs.new(
           name: nr_task
         )
       end