Add events for pair programming study

db/migrate/20230904174803_add_contributor_and_study_group_to_events.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddContributorAndStudyGroupToEvents < ActiveRecord::Migration[7.0]
+  def change
+    add_reference :events, :programming_group, index: true, null: true, foreign_key: true
+    add_reference :events, :study_group, index: true, null: true, foreign_key: true
+  end
+end

db/migrate/20230904180123_create_events_synchronized_editor.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class CreateEventsSynchronizedEditor < ActiveRecord::Migration[7.0]
+  def change
+    create_table :events_synchronized_editor, id: :uuid do |t|
+      t.references :programming_group, index: true, null: false, foreign_key: true
+      t.references :study_group, index: true, null: false, foreign_key: true
+      t.references :user, index: true, null: false, polymorphic: true
+      t.integer :command, limit: 1, null: false, default: 0, comment: 'Used as enum in Rails'
+      t.integer :status, limit: 1, null: true, comment: 'Used as enum in Rails'
+
+      # The following attributes are only stored for delta objects
+      t.references :file, index: true, null: true, foreign_key: true
+      t.integer :action, limit: 1, null: true, comment: 'Used as enum in Rails'
+      t.integer :range_start_row, null: true
+      t.integer :range_start_column, null: true
+      t.integer :range_end_row, null: true
+      t.integer :range_end_column, null: true
+      t.text :text, null: true
+      t.text :lines, null: true, array: true
+      t.string :nl, limit: 2, null: true, comment: 'Identifies the line break type (i.e., \r\n or \n)'
+      t.jsonb :data, null: true
+
+      t.timestamps
+    end
+  end
+end