Add lecture kinds

app/dashboards/lecture_dashboard.rb

@@ -10,12 +10,13 @@ class LectureDashboard < Administrate::BaseDashboard
   ATTRIBUTE_TYPES = {
     id: Field::Number,
     attendance: Field::HasOne,
-    course: Field::BelongsTo,
-    event_uuid: Field::String,
+    course: Field::BelongsTo.with_options(searchable: true, searchable_field: 'title'),
+    event_uuid: Field::String.with_options(searchable: false),
     recording: Field::HasOne,
     start_time: Field::DateTime,
     title: Field::String,
     cancelled: Field::Boolean,
+    kind: Field::Select.with_options(searchable: false, collection: ->(field) { field.resource.class.send(field.attribute.to_s.pluralize).keys }),
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
   }.freeze
@@ -37,6 +38,8 @@ class LectureDashboard < Administrate::BaseDashboard
   # an array of attributes that will be displayed on the model's show page.
   SHOW_PAGE_ATTRIBUTES = %i[
     id
+    title
+    kind
     attendance
     course
     cancelled
@@ -53,6 +56,7 @@ class LectureDashboard < Administrate::BaseDashboard
   # on the model's form (`new` and `edit`) pages.
   FORM_ATTRIBUTES = %i[
     attendance
+    kind
     course
     cancelled
     event_uuid