Added lazy records collector to pass around.

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - sidebar tracking
 - list of callbacks to hook events
 - Server Timing output for Ajax and REST APIs
+- lazy records collector to pass around instead of whole container
 
 ### Changed
 - required PHP version to 7.1

src/Manager/Server_Timing_Manager.php

@@ -4,6 +4,7 @@ declare( strict_types=1 );
 namespace Rarst\Laps\Manager;
 
 use Rarst\Laps\Plugin;
+use Rarst\Laps\Record\Collector\Record_Collector_Interface;
 use Rarst\Laps\Record\Record_Interface;
 
 /**
@@ -11,15 +12,15 @@ use Rarst\Laps\Record\Record_Interface;
  */
 class Server_Timing_Manager {
 
-	/** @var Plugin */
-	private $laps;
+	/** @var Record_Collector_Interface */
+	private $collector;
 
 	/**
-	 * @param Plugin $laps Container instance.
+	 * @param Record_Collector_Interface $collector Collector of all records.
 	 */
-	public function __construct( Plugin $laps ) {
+	public function __construct( Record_Collector_Interface $collector ) {
 
-		$this->laps = $laps;
+		$this->collector = $collector;
 
 		add_action( 'admin_init', [ $this, 'send_timing_header' ], PHP_INT_MAX );
 		add_action( 'rest_pre_serve_request', [ $this, 'send_timing_header' ] );
@@ -50,11 +51,10 @@ class Server_Timing_Manager {
 			return $input;
 		}
 
-		$records = $this->laps['records'];
 		$header  = '';
 
 		/** @var Record_Interface $record */
-		foreach ( $records as $record ) {
+		foreach ( $this->collector->get_records() as $record ) {
 			$duration = $record->get_duration() * 1000;
 
 			if ( $duration < 1 ) {

src/Manager/Toolbar_Manager.php

@@ -3,6 +3,8 @@ declare( strict_types=1 );
 
 namespace Rarst\Laps\Manager;
 
+use Mustache_Engine;
+use Rarst\Laps\Record\Collector\Record_Collector_Interface;
 use Rarst\Laps\Record\Iterator\Recursive_Record_Iterator;
 use Rarst\Laps\Plugin;
 use Rarst\Laps\Record\Iterator\Timeline_Iterator;
@@ -12,15 +14,20 @@ use Rarst\Laps\Record\Iterator\Timeline_Iterator;
  */
 class Toolbar_Manager {
 
-	/** @var Plugin $laps */
-	protected $laps;
+	/** @var Record_Collector_Interface $collector */
+	protected $collector;
+
+	/** @var Mustache_Engine */
+	private $mustache;
 
 	/**
-	 * @param Plugin $laps Container instance.
+	 * @param Record_Collector_Interface $collector Collector of all records..
+	 * @param Mustache_Engine            $mustache  Mustache instance.
 	 */
-	public function __construct( Plugin $laps ) {
+	public function __construct( Record_Collector_Interface $collector, Mustache_Engine $mustache ) {
 
-		$this->laps = $laps;
+		$this->collector = $collector;
+		$this->mustache  = $mustache;
 
 		add_action( 'admin_bar_menu', [ $this, 'admin_bar_menu' ], 1000 );
 	}
@@ -49,8 +56,8 @@ class Toolbar_Manager {
 			'id'     => 'laps_output',
 			'parent' => 'laps',
 			'meta'   => [ // TODO consider doing render lazily, but might not be worth the effort.
-				'html' => $this->laps['mustache']->render( 'laps', [
-					'timelines' => new Timeline_Iterator( new Recursive_Record_Iterator( $this->laps['records'] ) ),
+				'html' => $this->mustache->render( 'laps', [
+					'timelines' => new Timeline_Iterator( new Recursive_Record_Iterator( $this->collector->get_records() ) ),
 				] ),
 			],
 		] );

src/Provider/Manager_Provider.php

@@ -25,8 +25,8 @@ class Manager_Provider implements ServiceProviderInterface, Bootable_Provider_In
 			return [
 				new Load_Order_Manager(),
 				new Asset_Manager(),
-				new Toolbar_Manager( $laps ),
-				new Server_Timing_Manager( $laps ),
+				new Toolbar_Manager( $laps['records.lazy'], $laps['mustache'] ),
+				new Server_Timing_Manager( $laps['records.lazy'] ),
 			];
 		};
 	}

src/Provider/Record_Provider.php

@@ -9,7 +9,7 @@ use Rarst\Laps\Plugin;
 use Rarst\Laps\Record\Collector\Core_Load_Collector;
 use Rarst\Laps\Record\Collector\Hook_Collector;
 use Rarst\Laps\Record\Collector\Http_Collector;
-use Rarst\Laps\Record\Collector\Record_Collector_Interface;
+use Rarst\Laps\Record\Collector\Lazy_Proxy_Collector;
 use Rarst\Laps\Record\Collector\Sql_Collector;
 use Symfony\Component\Stopwatch\Stopwatch;
 
@@ -36,16 +36,12 @@ class Record_Provider implements ServiceProviderInterface, Bootable_Provider_Int
 			];
 		};
 
+		$pimple['records.lazy'] = function ( Plugin $laps ): Lazy_Proxy_Collector {
+			return new Lazy_Proxy_Collector( $laps['collectors'] );
+		};
+
 		$pimple['records'] = function ( Plugin $laps ): array {
-
-			$records = [];
-
-			/** @var Record_Collector_Interface $collector */
-			foreach ( $laps['collectors'] as $collector ) {
-				$records[] = $collector->get_records();
-			}
-
-			return array_merge( ...$records );
+			return $laps['records.lazy']->get_records();
 		};
 	}
 

src/Record/Collector/Lazy_Proxy_Collector.php

@@ -0,0 +1,38 @@
+<?php
+declare( strict_types=1 );
+
+namespace Rarst\Laps\Record\Collector;
+
+use Rarst\Laps\Record\Record_Interface;
+
+/**
+ * Collects records from concrete collectors set on access.
+ */
+class Lazy_Proxy_Collector implements Record_Collector_Interface {
+
+	/** @var array|Record_Collector_Interface[] */
+	private $collectors;
+
+	/**
+	 * Lazy_Proxy_Collector constructor.
+	 *
+	 * @param Record_Collector_Interface[] $collectors Array of collectors to store for processing.
+	 */
+	public function __construct( array $collectors ) {
+		$this->collectors = $collectors;
+	}
+
+	/**
+	 * @return Record_Interface[]
+	 */
+	public function get_records(): array {
+		$records = [];
+
+		/** @var Record_Collector_Interface $collector */
+		foreach ( $this->collectors as $collector ) {
+			$records[] = $collector->get_records();
+		}
+
+		return count( $records ) ? array_merge( ...$records ) : [];
+	}
+}

tests/Manager/ToolbarTest.php

@@ -1,14 +1,15 @@
 <?php
+declare( strict_types=1 );
 
 namespace Rarst\Laps\Tests\Manager;
 
 use Brain\Monkey\Functions;
 use Rarst\Laps\Manager\Toolbar_Manager;
-use Rarst\Laps\Plugin;
+use Rarst\Laps\Record\Collector\Lazy_Proxy_Collector;
 use Rarst\Laps\Tests\LapsTestCase;
 
 /**
- * @coversDefaultClass Rarst\Laps\Manager\Toolbar_Manager
+ * @coversDefaultClass \Rarst\Laps\Manager\Toolbar_Manager
  */
 class ToolbarTest extends LapsTestCase {
 
@@ -19,8 +20,8 @@ class ToolbarTest extends LapsTestCase {
 	 */
 	public function test__construct() {
 
-		$laps    = new Plugin( [ 'records' => [] ] );
-		$manager = new Toolbar_Manager( $laps );
+		$collector = new Lazy_Proxy_Collector( [] );
+		$manager   = new Toolbar_Manager( $collector, new \Mustache_Engine() );
 
 		$this->assertTrue( has_action( 'admin_bar_menu', [ $manager, 'admin_bar_menu' ] ) );
 

tests/Provider/ManagerTest.php

@@ -1,7 +1,9 @@
 <?php
+declare( strict_types=1 );
 
 namespace Rarst\Laps\Tests\Provider;
 
+use function Brain\Monkey\Functions\expect;
 use Pimple\Exception\FrozenServiceException;
 use Rarst\Laps\Plugin;
 use Rarst\Laps\Provider\Manager_Provider;
@@ -14,6 +16,8 @@ class ManagerTest extends LapsTestCase {
 	 */
 	public function testProvider() {
 
+		expect( 'wp_normalize_path' )->zeroOrMoreTimes()->andReturnFirstArg();
+
 		$container = new Plugin();
 		$provider  = new Manager_Provider();