Add likes to admin dashboard

app/assets/javascripts/admin/templates/dashboard.js.handlebars

@@ -77,6 +77,7 @@
         {{ render 'admin_report_signups' signups }}
         {{ render 'admin_report_topics' topics }}
         {{ render 'admin_report_posts' posts }}
+        {{ render 'admin_report_likes' likes }}
         {{ render 'admin_report_flags' flags }}
       {{/unless}}
     </table>

app/assets/javascripts/admin/views/report/admin_report_likes_view.js

@@ -0,0 +1,4 @@
+Discourse.AdminReportLikesView = Discourse.View.extend({
+  templateName: 'admin/templates/reports/summed_counts_report',
+  tagName: 'tbody'
+});

app/controllers/admin/dashboard_controller.rb

@@ -3,7 +3,7 @@ class Admin::DashboardController < Admin::AdminController
 
   def index
     render_json_dump({
-      reports: ['visits', 'signups', 'topics', 'posts', 'flags', 'users_by_trust_level'].map { |type| Report.find(type) },
+      reports: ['visits', 'signups', 'topics', 'posts', 'flags', 'users_by_trust_level', 'likes'].map { |type| Report.find(type) },
       total_users: User.count
     }.merge(
       SiteSetting.version_checks? ? {version_check: DiscourseUpdates.check_version} : {}

app/models/post_action.rb

@@ -50,6 +50,10 @@ class PostAction < ActiveRecord::Base
     user_actions
   end
 
+  def self.count_likes_per_day(since = 30.days.ago)
+    where(post_action_type_id: PostActionType.types[:like]).where('created_at > ?', since).group('date(created_at)').order('date(created_at)').count
+  end
+
   def self.clear_flags!(post, moderator_id, action_type_id = nil)
     # -1 is the automatic system cleary
     actions = if action_type_id

app/models/report.rb

@@ -89,6 +89,15 @@ class Report
     end
   end
 
+  def self.report_likes(report)
+    report.data = []
+    fetch report do
+      PostAction.count_likes_per_day(30.days.ago).each do |date, count|
+        report.data << {x: date, y: count}
+      end
+    end
+  end
+
 
   private
 

config/locales/server.en.yml

@@ -263,12 +263,16 @@ en:
       title: "New Posts"
       xaxis: "Day"
       yaxis: "Number of new posts"
+    likes:
+      title: "New Likes"
+      xaxis: "Day"
+      yaxis: "Number of new likes"
     total_users:
       title: "Total Users"
       xaxis: "Day"
       yaxis: "Total number of users"
     flags:
-      title: "Flags"
+      title: "New Flags"
       xaxis: "Day"
       yaxis: "Number of flags"
     users_by_trust_level:

spec/fabricators/like_fabricator.rb

@@ -0,0 +1,5 @@
+Fabricator(:like, from: :post_action) do
+  post
+  user
+  post_action_type_id PostActionType.types[:like]
+end

spec/models/report_spec.rb

@@ -26,7 +26,7 @@
 #     end
 #   end
 
-#   [:signup, :topic, :post, :flag].each do |arg|
+#   [:signup, :topic, :post, :flag, :like].each do |arg|
 #     describe "#{arg} report" do
 #       pluralized = arg.to_s.pluralize