Adds PHPUnit and i18n

.eslintrc

@@ -5,31 +5,25 @@
 		"plugin:cypress/recommended"
 	],
 	"parser": "@typescript-eslint/parser",
-	"plugins": [
-		"@typescript-eslint"
-	],
+	"plugins": ["@typescript-eslint"],
 	"rules": {
 		"prettier/prettier": "warn",
 		"import/no-unresolved": 0,
 		"@typescript-eslint/ban-ts-comment": "off",
 		"camelcase": "off"
 	},
-	"overrides":
-		[{
-		  "files": ["*.jsx"],
-		  "rules": {
-			"@typescript-eslint/explicit-module-boundary-types": ["off"]
-		  }
-		}],
+	"overrides": [
+		{
+			"files": ["*.jsx"],
+			"rules": {
+				"@typescript-eslint/explicit-module-boundary-types": ["off"]
+			}
+		}
+	],
 	"settings": {
 		"import/resolver": {
 			"alias": {
-				"map": [
-					[
-						"src",
-						"./src"
-					],
-				]
+				"map": [["src", "./src"]]
 			}
 		}
 	}

.gitignore

@@ -2,3 +2,4 @@ node_modules
 build
 vendor
 yarn-error.log
+.phpunit.result.cache

composer.json

@@ -28,6 +28,6 @@
     "scripts": {
         "lint:php": "phpcs .",
         "lint:php-fix": "phpcbf .",
-        "test:php": "phpunit --dont-report-useless-tests --configuration ./phpunit.xml.dist"
+        "test:php": "phpunit --dont-report-useless-tests --configuration ./phpunit.xml --testdox"
     }
 }

helper/Helper.php

@@ -18,13 +18,6 @@
  */
 class Helper {
 
-	/**
-	 * Name of flag environment.
-	 *
-	 * @var string $env_option_name
-	 */
-	public static $env_option_name = 'mr_feature_flags_env';
-
 	/**
 	 * Flag search helper.
 	 *

includes/Api/Flags.php

@@ -0,0 +1,101 @@
+<?php
+/**
+ * API class for feature flags options
+ *
+ * @package mr-feature-flags
+ * @since 1.0.0
+ */
+
+declare(strict_types=1);
+
+namespace MR\FeatureFlags\Api;
+
+/**
+ * Class Settings
+ *
+ * @package mr-feature-flags
+ * @since 1.0.0
+ */
+class Flags {
+
+	/**
+	 * Name in options table.
+	 *
+	 * @var string $option_name
+	 */
+	public static $option_name = 'mr_feature_flags';
+
+	/**
+	 * Register feature flag endpoints.
+	 *
+	 * @return void
+	 * @since 1.0.0
+	 */
+	public function register_flags_endpoints() {
+		add_action(
+			'rest_api_init',
+			function () {
+				register_rest_route(
+					'feature-flags/v1',
+					'flags',
+					[
+						[
+							'methods'             => \WP_REST_SERVER::READABLE,
+							'callback'            => [ $this, 'get_all_flags' ],
+							'permission_callback' => function () {
+								return current_user_can( 'manage_options' );
+							},
+						],
+						[
+							'methods'             => \WP_REST_SERVER::EDITABLE,
+							'callback'            => [ $this, 'post_flags' ],
+							'permission_callback' => function () {
+								return current_user_can( 'manage_options' );
+							},
+						],
+					]
+				);
+			}
+		);
+	}
+
+	/**
+	 * Get all flags from options
+	 *
+	 * @return mixed List of flags.
+	 */
+	public function get_all_flags() {
+		$flags = get_option( self::$option_name );
+
+		if ( empty( $flags ) ) {
+			return rest_ensure_response( [] );
+		}
+
+		return rest_ensure_response( $flags );
+	}
+
+	/**
+	 * Insert / Update flags in options table.
+	 *
+	 * @param WP_Request $request API request.
+	 *
+	 * @return mixed List of flags.
+	 */
+	public function post_flags( $request ) {
+		$flags = $request->get_json_params();
+
+		if ( is_array( $flags ) ) {
+			$result = update_option( self::$option_name, $flags );
+			return rest_ensure_response(
+				array(
+					'status'  => 200,
+					'success' => true,
+				),
+			);
+
+		} else {
+			return new \WP_Error( 'invalid_input', 'Cannot update flags', array( 'status' => 400 ) );
+		}
+	}
+
+}

includes/Settings.php

@@ -37,8 +37,8 @@ public function register_feature_settings() {
 	public function register_settings() {
 
 		add_menu_page(
-			'Feature Flags',
-			'Feature Flags',
+			__( 'Feature Flags', 'mr-feature-flags' ),
+			__( 'Feature Flags', 'mr-feature-flags' ),
 			'manage_options',
 			'mr-feature-flags',
 			[ $this, 'render_page' ],

includes/FeatureFlags.php → includes/Utils.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * This is the init file for the plugin
+ * Utility class to expose flag methods.
  *
  * @package mr-feature-flags
  * @since 1.0.0
@@ -11,12 +11,12 @@
 namespace MR\FeatureFlags;
 
 /**
- * Class FeatureFlags
+ * Class Utils
  *
  * @package mr-feature-flags
  * @since 1.0.0
  */
-class FeatureFlags {
+class Utils {
 
 	/**
 	 * Name in options table.

phpunit.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<phpunit
+		bootstrap="tests/bootstrap.php"
+		backupGlobals="false"
+		colors="true"
+		convertErrorsToExceptions="true"
+		convertNoticesToExceptions="true"
+		convertWarningsToExceptions="true"
+>
+	<testsuites>
+		<testsuite name="unit">
+			<directory suffix=".php">./tests/Unit/</directory>
+		</testsuite>
+
+	</testsuites>
+</phpunit>