added new columns and migrated it to the database

.ruby-version

@@ -0,0 +1 @@
+3.1.4

app/api/entities/unit_entity.rb

@@ -15,6 +15,9 @@ def can_read_unit_config?(my_role)
     expose :code
     expose :id
     expose :name
+    expose :creditpoint
+    expose :prerequisite
+    expose :corequisite
     expose :my_role do |unit, options|
       role = options[:my_role]
       role = unit.role_for(options[:user]) if role.nil?
@@ -51,17 +54,12 @@ def can_read_unit_config?(my_role)
     expose :learning_outcomes, using: LearningOutcomeEntity, as: :ilos, unless: :summary_only
     expose :tutorial_streams, using: TutorialStreamEntity, unless: :summary_only
 
-    # Expose staff before tutorials, so that their details are available
     expose :staff, using: UnitRoleEntity, unless: :summary_only
     expose :tutorials, using: TutorialEntity, unless: :summary_only
-    # expose :tutorial_enrolments, using: TutorialEnrolmentEntity, unless: :summary_only, if: lambda { |unit, options| is_staff?(options[:my_role]) }
 
     expose :task_definitions, using: TaskDefinitionEntity, unless: :summary_only
     expose :task_outcome_alignments, using: TaskOutcomeAlignmentEntity, unless: :summary_only
     expose :group_sets, using: GroupSetEntity, unless: :summary_only
     expose :groups, using: GroupEntity, unless: :summary_only
-    # expose :group_memberships, using: GroupMembershipEntity, unless: :summary_only do |unit, options|
-    #   unit.group_memberships.where(active: true)
-    # end
   end
 end

app/api/units_api.rb

@@ -75,6 +75,9 @@ class UnitsApi < Grape::API
       optional :teaching_period_id, type: Integer
       optional :start_date, type: Date
       optional :end_date, type: Date
+      optional :creditpoint, type: Integer
+      optional :prerequisite, type: String
+      optional :corequisite, type: String
       optional :main_convenor_id, type: Integer
       optional :auto_apply_extension_before_deadline, type: Boolean, desc: 'Indicates if extensions before the deadline should be automatically applied'
       optional :send_notifications, type: Boolean, desc: 'Indicates if emails should be sent on updates each week'
@@ -117,7 +120,11 @@ class UnitsApi < Grape::API
                                                           :extension_weeks_on_resubmit_request,
                                                           :allow_student_change_tutorial,
                                                           :overseer_image_id,
-                                                          :assessment_enabled)
+                                                          :assessment_enabled,
+                                                          :creditpoint,
+                                                          :prerequisite,
+                                                          :corequisite
+                                                        )
 
     if unit.teaching_period_id.present? && (unit_parameters.key?(:start_date) || unit_parameters['teaching_period_id'] == -1)
       unit.teaching_period = nil
@@ -151,10 +158,13 @@ class UnitsApi < Grape::API
       optional :teaching_period_id, type: Integer
       optional :start_date, type: Date
       optional :end_date, type: Date
+      optional :creditpoint, type: Integer
+      optional :prerequisite, type: String
+      optional :corequisite, type: String
       optional :main_convenor_user_id, type: Integer
       optional :auto_apply_extension_before_deadline, type: Boolean, desc: 'Indicates if extensions before the deadline should be automatically applied', default: true
       optional :send_notifications, type: Boolean, desc: 'Indicates if emails should be sent on updates each week', default: true
-      optional :enable_sync_timetable, type: Boolean, desc: 'Sync to timetable automatically if supported by deployment', default: true
+      optional :enable_sync_timetable, type: Boolean,   desc: 'Sync to timetable automatically if supported by deployment', default: true
       optional :enable_sync_enrolments, type: Boolean, desc: 'Sync student enrolments automatically if supported by deployment', default: true
       optional :allow_student_extension_requests, type: Boolean, desc: 'Can turn on/off student extension requests', default: true
       optional :extension_weeks_on_resubmit_request, type: Integer, desc: 'Determines the number of weeks extension on a resubmit request', default: 1
@@ -188,6 +198,9 @@ class UnitsApi < Grape::API
                                                     :extension_weeks_on_resubmit_request,
                                                     :portfolio_auto_generation_date,
                                                     :allow_student_change_tutorial,
+                                                    :creditpoint,
+                                                    :prerequisite,
+                                                    :corequisite
                                                   )
 
     # Identify main convenor - ensure they have the correct role

db/migrate/20250429043824_add_credit_points_to_units.rb

@@ -0,0 +1,5 @@
+class AddCreditPointsToUnits < ActiveRecord::Migration[7.1]
+  def change
+    add_column :units, :creditpoint, :integer
+  end
+end

db/migrate/20250429193655_add_prerequisite_to_units.rb

@@ -0,0 +1,5 @@
+class AddPrerequisiteToUnits < ActiveRecord::Migration[7.1]
+  def change
+    add_column :units, :prerequisite, :string
+  end
+end

db/migrate/20250430035259_add_corequisite_to_units.rb

@@ -0,0 +1,5 @@
+class AddCorequisiteToUnits < ActiveRecord::Migration[7.1]
+  def change
+    add_column :units, :corequisite, :string
+  end
+end

db/migrate/20250430050449_set_default_for_corequisite_and_prerequisite_in_units.rb

@@ -0,0 +1,6 @@
+class SetDefaultForCorequisiteAndPrerequisiteInUnits < ActiveRecord::Migration[7.1]
+  def change
+    change_column_default :units, :corequisite, from: nil, to: "Nil"
+    change_column_default :units, :prerequisite, from: nil, to: "Nil"
+  end
+end