From bcf23c3ab443567991d602f6d06d87051aa3468b Mon Sep 17 00:00:00 2001
From: Thomas Lange <code@nerdmind.de>
Date: Sat, 21 Oct 2017 23:54:41 +0200
Subject: Code optimization: The method "getStructure" has been added to the
 abstract Item class.

---
 include/classes/BigPipe/BigPipe.php  | 22 +---------------------
 include/classes/BigPipe/Item.php     |  5 +++++
 include/classes/BigPipe/Pagelet.php  | 24 ++++++++++++++++++++++++
 include/classes/BigPipe/Resource.php |  7 +++++++
 4 files changed, 37 insertions(+), 21 deletions(-)

diff --git a/include/classes/BigPipe/BigPipe.php b/include/classes/BigPipe/BigPipe.php
index 2989a75..ab8c8f7 100755
--- a/include/classes/BigPipe/BigPipe.php
+++ b/include/classes/BigPipe/BigPipe.php
@@ -64,27 +64,7 @@ class BigPipe {
 			usleep(rand(125, 175) * 2000);
 		}
 
-		$stylesheets = [];
-		$javascripts = [];
-
-		foreach($Pagelet->getResources()[Resource::TYPE_STYLESHEET] as $Resource) {
-			$stylesheets[] = ['ID' => $Resource->getID(), 'HREF' => $Resource->getURL(), 'PHASE' => $Resource->getPhaseDoneJS()];
-		}
-
-		foreach($Pagelet->getResources()[Resource::TYPE_JAVASCRIPT] as $Resource) {
-			$javascripts[] = ['ID' => $Resource->getID(), 'HREF' => $Resource->getURL(), 'PHASE' => $Resource->getPhaseDoneJS()];
-		}
-
-		$pageletJSON = [
-			'ID'   => $Pagelet->getID(),
-			'NEED' => $Pagelet->getDependencies(),
-			'RSRC' => [
-				Resource::TYPE_STYLESHEET => $stylesheets,
-				Resource::TYPE_JAVASCRIPT => $javascripts,
-			],
-			'CODE' => removeLineBreaksAndTabs($Pagelet->getJSCode()),
-			'PHASE' => $Pagelet->getPhaseDoneJS()
-		];
+		$pageletJSON = $Pagelet->getStructure();
 
 		if($last) {
 			$pageletJSON['IS_LAST'] = TRUE;
diff --git a/include/classes/BigPipe/Item.php b/include/classes/BigPipe/Item.php
index 5edf9c8..9c66eb9 100644
--- a/include/classes/BigPipe/Item.php
+++ b/include/classes/BigPipe/Item.php
@@ -14,6 +14,11 @@ abstract class Item {
 	protected $ID = '';
 	protected $phaseDoneJS = [];
 
+	#===============================================================================
+	# Required methods in child classes
+	#===============================================================================
+	abstract public function getStructure(): array;
+
 	#===============================================================================
 	# Return the unique ID
 	#===============================================================================
diff --git a/include/classes/BigPipe/Pagelet.php b/include/classes/BigPipe/Pagelet.php
index 664883a..ae465ab 100755
--- a/include/classes/BigPipe/Pagelet.php
+++ b/include/classes/BigPipe/Pagelet.php
@@ -123,6 +123,30 @@ class Pagelet extends Item {
 		return $this->tagHTML = $HTML;
 	}
 
+	#===============================================================================
+	# Return the pagelet structure
+	#===============================================================================
+	public function getStructure(): array {
+		foreach($this->getResources()[Resource::TYPE_STYLESHEET] as $Resource) {
+			$stylesheets[] = $Resource->getStructure();
+		}
+
+		foreach($this->getResources()[Resource::TYPE_JAVASCRIPT] as $Resource) {
+			$javascripts[] = $Resource->getStructure();
+		}
+
+		return [
+			'ID' => $this->getID(),
+			'NEED' => $this->getDependencies(),
+			'RSRC' => [
+				Resource::TYPE_STYLESHEET => $stylesheets ?? [],
+				Resource::TYPE_JAVASCRIPT => $javascripts ?? []
+			],
+			'CODE' => removeLineBreaksAndTabs($this->getJSCode()),
+			'PHASE' => $this->getPhaseDoneJS()
+		];
+	}
+
 	#===============================================================================
 	# Magic method: __toString()
 	#===============================================================================
diff --git a/include/classes/BigPipe/Resource.php b/include/classes/BigPipe/Resource.php
index 438b83c..4711d48 100755
--- a/include/classes/BigPipe/Resource.php
+++ b/include/classes/BigPipe/Resource.php
@@ -55,5 +55,12 @@ abstract class Resource extends Item {
 	public function getURL() {
 		return $this->resourceURL;
 	}
+
+	#===============================================================================
+	# Return the resource structure
+	#===============================================================================
+	public function getStructure(): array {
+		return ['ID' => $this->getID(), 'HREF' => $this->getURL(), 'PHASE' => $this->getPhaseDoneJS()];
+	}
 }
 ?>
\ No newline at end of file
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