src/Response.php

@@ -0,0 +1,104 @@
+<?php
+
+/**
+ *	HTML Response Class
+ *	JSON/Ajax output is handled elsewhere
+ *
+ *	This class should actually be extending a base Response class!
+ */
+class Response
+{
+	private $container		=	null;
+
+	public $title			=	null;
+	public $description		=	null;
+	public $keywords		=	[];
+	public $robots			=	'index,follow,noarchive';
+	public $styles			=	[];
+	public $scripts			=	[];
+	public $style			=	null;
+	public $script			=	null;
+	public $meta			=	[];
+	public $canonical		=	null;
+	public $elements		=	[];
+	public $lang			=	'en';
+
+	private $renderer		=	null;
+
+	function __construct(Container $c, string $layout, $mixed)
+	{
+		$this->container = $c;
+
+		header('Content-Type: text/html; charset=utf-8');
+
+//		require __DIR__ . '/../lib/functions.php';
+//		require __DIR__ . '/../classes/data.php';
+//		require __DIR__ . '/../classes/lang.php';
+//		require __DIR__ . '/../classes/assets.php';
+
+		//	Load layout/template specific default configuration
+		(require __DIR__ . '/../layouts/' . $layout . '.php')($this); // requires Less!?!? WHY???
+
+		//	Load route specific page configuration
+		if (is_string($mixed))
+			$this->elements['content'] = $mixed;
+		else if (is_array($mixed))
+		{
+			if (isset($mixed['title']))			$this->title				=	$mixed['title'];
+			if (isset($mixed['description']))	$this->description			=	$mixed['description'];
+			if (isset($mixed['keywords']))		$this->keywords				=	array_merge($this->keywords, (is_string($mixed['keywords']) ? array($mixed['keywords']) : $mixed['keywords']));
+			if (isset($mixed['robots']))		$this->robots				=	$mixed['robots'];
+			if (isset($mixed['canonical']))		$this->canonical			=	$mixed['canonical'];
+			if (isset($mixed['styles']))		$this->styles				=	array_merge($this->styles, $mixed['styles']);
+			if (isset($mixed['scripts']))		$this->scripts				=	array_merge($this->scripts, $mixed['scripts']);
+			if (isset($mixed['content']))		$this->elements['content']	=	$mixed['content'];
+			else if (isset($mixed['elements']))	$this->elements				=	array_merge($this->elements, $mixed['elements']);
+		}
+
+		//
+		//	Process Element Initialization
+		//
+		foreach ($this->elements as $element)
+		{
+			$filename = __DIR__ . '/../elements/' . $element . '/init.php';
+			$init = require $filename;
+			if (is_callable($init))
+				$init($this);
+		//	else				//	by disabling this we make the `callable function` requirement OPTIONAL!
+		//		throw new \Exception('File `' . $filename . '` must return a callable function!');
+		}
+
+//			assets::preload(true);
+
+	//	$AM->preload(true);
+	//	$LM->preload(true); // TODO: DEPRECATE THIS!!! ... WHY ? It's file based, not DB based! So loading them while the DB is open is bad!
+//			if (user::is_bot() === false)
+	}
+
+	/**
+	 *	The `renderer` is normally just a callback function set by the `layout` file.
+	 *	Before rendering the page (ie. calling the view modules), we close the session and database connection.
+	 *	This function just echoes the HTML layout/template and calls the (element) views
+	 */
+	function render()
+	{
+		if (isset($_SESSION))
+			session_write_close();
+
+		$this->container->db->close();
+
+		call_user_func($this->renderer);
+
+		echo PHP_EOL,
+			'<!--          memory_get_usage(): ', number_format(memory_get_usage()),			' -->', PHP_EOL,
+			'<!--      memory_get_usage(true): ', number_format(memory_get_usage(true)),		' -->', PHP_EOL,
+			'<!--     memory_get_peak_usage(): ', number_format(memory_get_peak_usage()),		' -->', PHP_EOL,
+			'<!-- memory_get_peak_usage(true): ', number_format(memory_get_peak_usage(true)),	' -->', PHP_EOL,
+			'<!--                        time: ', microtime(true) - $_SERVER['REQUEST_TIME_FLOAT'], ' -->';	//	Available since PHP 5.4.0.
+	}
+
+	function setRenderer(callable $callback)
+	{
+		$this->renderer = $callback;
+	}
+}