add feature: set default server

backend/migrations/20241221201400_default_server.js

@@ -0,0 +1,40 @@
+const migrate_name = 'identifier_for_migrate';
+const logger       = require('../logger').migrate;
+
+/**
+ * Migrate Up
+ *
+ * @param {Object} knex
+ * @param {Promise} Promise
+ * @returns {Promise}
+ */
+exports.up = function (knex) {
+	logger.info(`[${migrate_name}] Migrating Up...`);
+
+	// Add default_server column to proxy_host table
+	return knex.schema.table('proxy_host', (table) => {
+		table.boolean('default_server').notNullable().defaultTo(false);
+	})
+		.then(() => {
+			logger.info(`[${migrate_name}] Column 'default_server' added to 'proxy_host' table`);
+		});
+};
+
+/**
+ * Migrate Down
+ *
+ * @param {Object} knex
+ * @param {Promise} Promise
+ * @returns {Promise}
+ */
+exports.down = function (knex) {
+	logger.info(`[${migrate_name}] Migrating Down...`);
+
+	// Remove default_server column from proxy_host table
+	return knex.schema.table('proxy_host', (table) => {
+		table.dropColumn('default_server');
+	})
+		.then(() => {
+			logger.info(`[${migrate_name}] Column 'default_server' removed from 'proxy_host' table`);
+		});
+};