#2493 Port XML-based upgrade to migration

classes/migration/upgrade/v3_2_1SubeditorCategoriesMigration.inc.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * @file classes/migration/upgrade/v3_3_0UpgradeMigration.inc.php
+ *
+ * Copyright (c) 2014-2020 Simon Fraser University
+ * Copyright (c) 2000-2020 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class SubmissionsMigration
+ * @brief Describe database table structures.
+ */
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Builder;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Capsule\Manager as Capsule;
+
+class v3_2_1SubeditorCategoriesMigration extends Migration {
+	/**
+	 * Run the migrations.
+	 * @return void
+	 */
+	public function up() {
+		// Schema changes
+		Capsule::schema()->rename('section_editors', 'subeditor_submission_group');
+		Capsule::schema()->table('subeditor_submission_group', function (Blueprint $table) {
+			// Change section_id to assoc_type/assoc_id
+			$table->bigInteger('assoc_type');
+			$table->renameColumn('section_id', 'assoc_id');
+
+			// Drop indexes
+			$table->dropIndex('section_editors_pkey');
+			$table->dropIndex('section_editors_context_id');
+			$table->dropIndex('section_editors_section_id');
+			$table->dropIndex('section_editors_user_id');
+
+			// Create indexes
+			$table->index(['context_id'], 'section_editors_context_id');
+			$table->index(['assoc_id', 'assoc_type'], 'subeditor_submission_group_assoc_id');
+			$table->index(['user_id'], 'subeditor_submission_group_user_id');
+			$table->unique(['context_id', 'assoc_id', 'assoc_type', 'user_id'], 'section_editors_pkey');
+		});
+
+		// Populate the assoc_type data in the newly created column
+		Capsule::table('subeditor_submission_group')->update(['assoc_type' => ASSOC_TYPE_SECTION]);
+	}
+
+	/**
+	 * Reverse the downgrades
+	 * @return void
+	 */
+	public function down() {
+		throw new Exception('Downgrade not supported.');
+	}
+}