Implements global dashboard since last login boxes

app/assets/stylesheets/osem.css

@@ -55,3 +55,25 @@ body > #messages {
     display: inline-block;
     padding: 0px 10px 0px 0px;
 }
+
+.dashbox {
+    text-align: center;
+    padding-top: 20px;
+    padding-bottom: 20px;
+}
+
+.dashbox .icon {
+    display: block;
+    font-size: 3.5em;
+    text-align: center;
+}
+
+.dashbox var {
+    display: block;
+    font-size: 2em;
+    font-style: normal;
+}
+
+.dashbox label {
+    font-size: 1.2em;
+}

app/controllers/admin/conference_controller.rb

@@ -2,6 +2,12 @@ class Admin::ConferenceController < ApplicationController
   before_filter :verify_organizer
 
   def index
+    last_sign_in = current_user.last_sign_in_at
+    @total_user = User.count
+    @new_user = User.where('created_at > ?', last_sign_in).count
+    @new_reg = Registration.where('created_at > ?', last_sign_in).count
+    @total_reg = Registration.count
+
     @conferences = Conference.select('id, short_title, color, start_date,
                                       registration_end_date, registration_start_date')
 

app/views/admin/conference/index.html.haml

@@ -1,3 +1,36 @@
+.row
+  .col-sm-3
+    .dashbox.well.well-sm
+      .icon
+        %i.glyphicon.glyphicon-user
+      .text
+        %var
+          = @total_user
+        %label.text-muted total user
+  .col-sm-3
+    .dashbox.well.well-sm
+      .icon
+        %i.glyphicon.glyphicon-thumbs-up
+      .text
+        %var
+          = @new_user
+        %label.text-muted new user
+  .col-sm-3
+    .dashbox.well.well-sm
+      .icon
+        %i.glyphicon.glyphicon-star
+      .text
+        %var
+          = @total_reg
+        %label.text-muted total registrations
+  .col-sm-3
+    .dashbox.well.well-sm
+      .icon
+        %i.glyphicon.glyphicon-usd
+      .text
+        %var
+          = @new_reg
+        %label.text-muted new registrations
 .row
   .col-md-12
     .well#submissions