Add student program endpoint

app/controllers/courses_controller.rb

@@ -139,6 +139,60 @@ def alerts
     @alerts = current_user&.admin? ? @course.alerts : @course.public_alerts
   end
 
+  def classroom_program_students_json
+    courses = Course.classroom_program_students
+    render json: courses.as_json(
+      only: %i[title created_at updated_at start end school term slug],
+      include: {
+        students: {
+          only: %i[username created_at updated_at permissions]
+        }
+      }
+    )
+  end
+
+  def classroom_program_students_and_instructors_json
+    courses = Course.classroom_program_students_and_instructors
+    render json: courses.as_json(
+      only: %i[title created_at updated_at start end school term slug],
+      include: {
+        students: {
+          only: %i[username created_at updated_at permissions]
+        },
+        instructors: {
+          only: %i[username created_at updated_at permissions]
+        }
+      }
+    )
+  end
+
+  def fellows_cohort_students_json
+    courses = Course.fellows_cohort_students
+    render json: courses.as_json(
+      only: %i[title created_at updated_at start end school term slug],
+      include: {
+        students: {
+          only: %i[username created_at updated_at permissions]
+        }
+      }
+    )
+  end
+
+  def fellows_cohort_students_and_instructors_json
+    courses = Course.fellows_cohort_students_and_instructors
+    render json: courses.as_json(
+      only: %i[title created_at updated_at start end school term slug],
+      include: {
+        students: {
+          only: %i[username created_at updated_at permissions]
+        },
+        instructors: {
+          only: %i[username created_at updated_at permissions]
+        }
+      }
+    )
+  end
+
   ##########################
   # User-initiated actions #
   ##########################

app/models/course.rb

@@ -160,6 +160,38 @@ def self.unsubmitted
           .where(submitted: false).references(:campaigns)
   end
 
+  def self.classroom_program_students
+    nonprivate
+      .where(type: 'ClassroomProgramCourse', withdrawn: false)
+      .joins(:campaigns)
+      .distinct
+      .includes(:students)
+  end
+
+  def self.classroom_program_students_and_instructors
+    nonprivate
+      .where(type: 'ClassroomProgramCourse', withdrawn: false)
+      .joins(:campaigns)
+      .distinct
+      .includes(:students, :instructors)
+  end
+
+  def self.fellows_cohort_students
+    nonprivate
+      .where(type: 'FellowsCohort', withdrawn: false)
+      .joins(:campaigns)
+      .distinct
+      .includes(:students)
+  end
+
+  def self.fellows_cohort_students_and_instructors
+    nonprivate
+      .where(type: 'FellowsCohort', withdrawn: false)
+      .joins(:campaigns)
+      .distinct
+      .includes(:students, :instructors)
+  end
+
   scope :strictly_current, -> { where('? BETWEEN start AND end', Time.zone.now) }
   scope :current, -> { current_and_future.where('start < ?', Time.zone.now) }
   scope :ended, -> { where('end < ?', Time.zone.now) }

config/routes.rb

@@ -169,6 +169,19 @@
           _subsubsubpage: /.*/
         }
 
+    get '/courses/classroom_program_students.json',
+        to: 'courses#classroom_program_students_json',
+        as: :classroom_program_students
+    get '/courses/classroom_program_students_and_instructors.json',
+        to: 'courses#classroom_program_students_and_instructors_json',
+        as: :classroom_program_students_and_instructors
+    get '/courses/fellows_cohort_students.json',
+        to: 'courses#fellows_cohort_students_json',
+        as: :fellows_cohort_students
+    get '/courses/fellows_cohort_students_and_instructors.json',
+        to: 'courses#fellows_cohort_students_and_instructors_json',
+        as: :fellows_cohort_students_and_instructors
+
     post '/courses/:slug/students/add_to_watchlist', to: 'courses/watchlist#add_to_watchlist', as: 'add_to_watchlist',
         constraints: { slug: /.*/ }
     delete 'courses/:slug/delete_from_campaign' => 'courses/delete_from_campaign#delete_course_from_campaign', as: 'delete_from_campaign',