first commit

wp-content/plugins/wpml-string-translation/inc/admin-texts/Register.php

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+<?php
+
+namespace WPML\Ajax\ST\AdminText;
+
+use WPML\Ajax\IHandler;
+use WPML\Collect\Support\Collection;
+use WPML\FP\Either;
+use WPML\FP\Fns;
+use function WPML\FP\partial;
+use function WPML\FP\pipe;
+
+class Register implements IHandler {
+
+	/** @var \WPML_Admin_Texts */
+	private $adminTexts;
+
+	public function __construct( \WPML_Admin_Texts $adminTexts ) {
+		$this->adminTexts = $adminTexts;
+	}
+
+	/**
+	 * Registers or Unregisters an option for translation depending
+	 * on the `state` data.
+	 *
+	 * @param Collection $data
+	 *
+	 * @return Either
+	 */
+	public function run( Collection $data ) {
+		$state      = $data->get( 'state' ) ? 'on' : '';
+		$applyState = partial( [ self::class, 'flatToHierarchical' ], $state );
+
+		$register = pipe(
+			'wpml_collect',
+			Fns::map( $applyState ),
+			Fns::reduce( 'array_replace_recursive', [] ),
+			[ $this->adminTexts, 'icl_register_admin_options' ]
+		);
+
+		$register( $data->get( 'selected', [] ) );
+
+		return Either::right( true );
+	}
+
+
+	/**
+	 * string $state -> string [key1][key2][name] -> array [ key1 => [ key2 => [ name => $state ] ] ]
+	 *
+	 * @param string $state
+	 * @param string $option
+	 *
+	 * @return array
+	 */
+	public static function flatToHierarchical( $state, $option ) {
+
+		// string $value -> mixed $key -> array [ $key => $value ]
+		$makeArrayWithStringKey = function ( $value, $key ) {
+			return [ (string) $key => $value ];
+		};
+
+		return \WPML_Admin_Texts::getKeysParts( $option )
+								->reverse()
+								->reduce( $makeArrayWithStringKey, $state );
+	}
+}