Change exposed_ports to array

db/migrate/20210602071834_change_type_of_exposed_ports_in_execution_environment.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class ChangeTypeOfExposedPortsInExecutionEnvironment < ActiveRecord::Migration[6.1]
+  # rubocop:disable Rails/SkipsModelValidations:
+  def up
+    rename_column :execution_environments, :exposed_ports, :exposed_ports_migration
+    add_column :execution_environments, :exposed_ports, :integer, array: true, default: [], nil: true
+
+    ExecutionEnvironment.all.each do |execution_environment|
+      next if execution_environment.exposed_ports_migration.nil?
+
+      cleaned = execution_environment.exposed_ports_migration.scan(/\d+/)
+      list = cleaned.map(&:to_i).uniq.sort
+      execution_environment.update_columns(exposed_ports: list)
+    end
+
+    remove_column :execution_environments, :exposed_ports_migration
+  end
+
+  def down
+    rename_column :execution_environments, :exposed_ports, :exposed_ports_migration
+    add_column :execution_environments, :exposed_ports, :string
+
+    ExecutionEnvironment.all.each do |execution_environment|
+      next if execution_environment.exposed_ports_migration.empty?
+
+      list = execution_environment.exposed_ports_migration
+      if list.empty?
+        execution_environment.update_columns(exposed_ports: nil)
+      else
+        execution_environment.update_columns(exposed_ports: list.join(','))
+      end
+    end
+    remove_column :execution_environments, :exposed_ports_migration
+  end
+  # rubocop:enable Rails/SkipsModelValidations:
+end

db/migrate/20210602071834_clean_exposed_ports_in_execution_environment.rb

@@ -1,17 +0,0 @@
-# frozen_string_literal: true
-
-class CleanExposedPortsInExecutionEnvironment < ActiveRecord::Migration[6.1]
-  def change
-    ExecutionEnvironment.all.each do |execution_environment|
-      next if execution_environment.exposed_ports.nil?
-
-      cleaned = execution_environment.exposed_ports.gsub(/[[:space:]]/, '')
-      list = cleaned.split(',').map(&:to_i).uniq
-      if list.empty?
-        execution_environment.update(exposed_ports: nil)
-      else
-        execution_environment.update(exposed_ports: list.join(','))
-      end
-    end
-  end
-end

db/schema.rb

@@ -104,7 +104,6 @@ ActiveRecord::Schema.define(version: 2021_06_02_071834) do
     t.string "test_command", limit: 255
     t.string "testing_framework", limit: 255
     t.text "help"
-    t.string "exposed_ports", limit: 255
     t.integer "permitted_execution_time"
     t.integer "user_id"
     t.string "user_type", limit: 255
@@ -113,6 +112,7 @@ ActiveRecord::Schema.define(version: 2021_06_02_071834) do
     t.integer "memory_limit"
     t.boolean "network_enabled"
     t.integer "cpu_limit", default: 20, null: false
+    t.integer "exposed_ports", default: [], array: true
   end
 
   create_table "exercise_collection_items", id: :serial, force: :cascade do |t|