feature: new endpoint for crossunit team

app/api/entities/project_entity.rb

@@ -23,6 +23,10 @@ class ProjectEntity < Grape::Entity
     expose :tasks, using: TaskEntity, unless: :summary_only do |project, options|
       project.task_details_for_shallow_serializer(options[:user])
     end
+    # changed here
+    expose :task_definitions, using: TaskDefinitionEntity, if: :include_task_definitions do |project, options|
+      project.unit.task_definitions
+    end
 
     expose :tutorial_enrolments, using: TutorialEnrolmentEntity, unless: :summary_only
     expose :groups, using: GroupEntity, unless: :summary_only

app/api/projects_api.rb

@@ -12,12 +12,19 @@ class ProjectsApi < Grape::API
   desc "Fetches all of the current user's projects"
   params do
     optional :include_inactive, type: Boolean, desc: 'Include projects for units that are no longer active?'
+    optional :include_task_definitions, type: Boolean, desc: 'Include all task definitions for each project unit? Also exposes tasks.'
   end
   get '/projects' do
     include_inactive = params[:include_inactive] || false
+    include_task_definitions = params[:include_task_definitions] || false
 
-    projects = Project.eager_load(:unit, :user).for_user current_user, include_inactive
-    present projects, with: Entities::ProjectEntity, for_student: true, summary_only: true, user: current_user
+    projects = if include_task_definitions
+      Project.eager_load(:unit, :user, :tasks, unit: :task_definitions).for_user(current_user, include_inactive)
+    else
+      Project.eager_load(:unit, :user).for_user(current_user, include_inactive)
+    end
+    # Disable summary_only so tasks are exposed for request
+    present projects, with: Entities::ProjectEntity, for_student: true, summary_only: !include_task_definitions, include_task_definitions: include_task_definitions, user: current_user
   end
 
   desc 'Get project'