move grouped pomodoros to presenter

api/app.rb

@@ -131,21 +131,8 @@ def permit(params, allowed)
 # == Returns
 #  Array<{created_at: Date, project_name: number of pomodoro, project_color: color_string }>
 get '/pomodoros_grouped' do
-  result = {pomodoros: [], projects: []}
-  (-21..0).each do |offset|
-    date = Date.today+offset
-    item = {}
-    item[:created_at] = date.strftime("%a %d")
-    Pomodoro.where(project_id: @user.projects)
-    .where(created_at: date.beginning_of_day..date.end_of_day).each do |pmd| 
-      project_key = pmd.project.name.to_sym
-      item[project_key] = item.key?(project_key) ? item[project_key]+1 : 1
-      item["#{pmd.project.name}Color".to_sym] = 'hsl(228, 70%, 50%)' #pmd.project.color
-    end
-    result[:pomodoros].push item
-  end
-  result[:projects] = @user.projects.map(&:name)
-  result.to_json
+  max_number_of_days = 21
+  PomodoroGroupedPresenter.new(@user, max_number_of_days).call.to_json
 end
 
 get '/health-check' do

api/lib/pomodoro.rb

@@ -5,6 +5,7 @@
 require_relative './user'
 require_relative './project'
 require_relative './pomodoro_presenter'
+require_relative './pomodoro_grouped_presenter'
 
 class Pomodoro < ActiveRecord::Base
   validates_presence_of :project

api/lib/pomodoro_grouped_presenter.rb

@@ -0,0 +1,24 @@
+class PomodoroGroupedPresenter
+  def initialize(user, max_days)
+    @user= user
+    @max_days = max_days
+  end
+
+  def call
+    result = {pomodoros: [], projects: []}
+    (-@max_days..0).each do |offset|
+      date = Date.today+offset
+      item = {}
+      item[:created_at] = date.strftime("%a %d")
+      Pomodoro.where(project_id: @user.projects)
+      .where(created_at: date.beginning_of_day..date.end_of_day).each do |pmd| 
+        project_key = pmd.project.name.to_sym
+        item[project_key] = item.key?(project_key) ? item[project_key]+1 : 1
+        item["#{pmd.project.name}Color".to_sym] = 'hsl(228, 70%, 50%)' #pmd.project.color
+      end
+      result[:pomodoros].push item
+    end
+    result[:projects] = @user.projects.map(&:name)
+    result
+  end
+end