Added counter to navigation

Author: dalvarez2596

app/helpers/application_helper.rb

@@ -1,3 +1,16 @@
 module ApplicationHelper
   include Pagy::Frontend
+
+  def enrollments_count(pending)
+    return current_user.enrollments.pending_review.count if pending
+    current_user.enrollments.count
+  end
+
+  def courses_count
+    current_user.courses.count
+  end
+
+  def students_count
+    Enrollment.joins(:course).where(courses: { user: current_user }).count
+  end
 end

app/views/layouts/_header.html.haml

@@ -43,9 +43,13 @@
               = link_to purchased_courses_path, class: "dropdown-item" do
                 .fa.fa-graduation-cap
                 Purchased Courses
+                .badge.bg-danger
+                  = enrollments_count(false)
               = link_to pending_review_courses_path, class: "dropdown-item" do
                 .fa.fa-star
                 Pending Review
+                .badge.bg-danger
+                  = enrollments_count(true)
 
 
         - if current_user.has_role?(:teacher)
@@ -61,9 +65,13 @@
               = link_to created_courses_path, class: "dropdown-item" do
                 .fa.fa-graduation-cap
                 My Courses
+                .badge.bg-danger
+                  = courses_count
               = link_to my_students_enrollments_path, class: "dropdown-item" do
                 .fa.fa-graduation-cap
                 My Students
+                .badge.bg-danger
+                  = students_count
 
         - if current_user.has_role?(:admin)
           %li.nav-item.dropdown
@@ -74,9 +82,13 @@
               = link_to users_path, class: "dropdown-item" do
                 .fa.fa-users
                 Users
+                .badge.bg-danger
+                  = User.count
               = link_to enrollments_path, class: "dropdown-item" do
                 .fa.fa-lock-open
                 Enrollments
+                .badge.bg-danger
+                  = Enrollment.count
               = link_to activity_path, class: "dropdown-item" do
                 .fa.fa-bell
                 Activity