MessageBodyRenderer::__construct() - Code Metrics - Inspection of "Cleanup and refactoring" - yiisoft/mailer - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#24)

by Evgeniy

created 2021-01-28 22:34 UTC

MessageBodyRenderer::__construct() A

↳ Parent: MessageBodyRenderer

Complexity

Conditions	1
Paths	1

Size

Total Lines	10
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	4
c	1
b	0
f	0
nc	1
nop	4
dl	0
loc	10
ccs	5
cts	5
cp	1
crap	1
rs	10

<?php

declare(strict_types=1);

namespace Yiisoft\Mailer;

use RuntimeException;
use Throwable;
use Yiisoft\View\View;
use Yiisoft\View\ViewContextInterface;

use function html_entity_decode;
use function is_array;
use function is_string;
use function preg_match;
use function preg_replace;
use function strip_tags;
use function trim;

use const ENT_HTML5;
use const ENT_QUOTES;

/**
 * View renderer used to compose message body.
 */
final class MessageBodyRenderer implements ViewContextInterface
{
    /**
     * @var View The view instance.
     */
    private View $view;

    /**
     * @var string The directory containing view files for composing mail messages.
     */
    private string $viewPath;

    /**
     * @var string The HTML layout view name.
     *
     * It is the layout used to render HTML mail body. If the value is empty string, no layout will be applied.
     *
     * The property can take the following values:
     *
     * - a relative view name: a view file relative to {@see MessageBodyRenderer::$viewPath}, e.g., 'layouts/html'.
     * - an empty string: the layout is disabled.
     */
    private string $htmlLayout;

    /**
     * @var string The TEXT layout view name.
     *
     * This is the layout used to render TEXT mail body. If the value is empty string, no layout will be applied.
     *
     * The property can take the following values:
     *
     * - a relative view name: a view file relative to {@see MessageBodyRenderer::$viewPath}, e.g., 'layouts/text'.
     * - an empty string: the layout is disabled.
     */
    private string $textLayout;

    /**
     * @param View $view The view instance.
     * @param string $viewPath The directory containing view files for composing mail messages.
     * @param string $htmlLayout The HTML layout view name. It is the layout used to render HTML mail body.
     * @param string $textLayout The TEXT layout view name. This is the layout used to render TEXT mail body.
     */
    public function __construct(
        View $view,
        string $viewPath,
        string $htmlLayout = 'layouts/html',
        string $textLayout = 'layouts/text'
    ) {
        $this->view = $view;
        $this->viewPath = $viewPath;
        $this->htmlLayout = $htmlLayout;
        $this->textLayout = $textLayout;
    }

    public function getViewPath(): string
    {
        return $this->viewPath;
    }

    /**
     * Adds the rendered body to the message and returns it.
     *
     * @param MessageInterface $message The message to which the body will be added.
     * @param mixed $view The view to be used for rendering the message body.
     * This can be:
     * - a string, which represents the view name for rendering the HTML body of the email.
     *   In this case, the text body will be generated by applying `strip_tags()` to the HTML body.
     * - an array with 'html' and/or 'text' elements. The 'html' element refers to the view name
     *   for rendering the HTML body, while 'text' element is for rendering the text body.
     *   For example, `['html' => 'contact-html', 'text' => 'contact-text']`.
     * @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
     *
     * @throws Throwable If an error occurred during rendering.
     *
     * @return MessageInterface The message with the added body.
     *
     * @psalm-suppress MixedArgument
     */
    public function addToMessage(MessageInterface $message, $view, array $parameters = []): MessageInterface
    {
        if (is_string($view)) {
            $html = $this->renderHtml($view, $parameters);
            return $message->withHtmlBody($html)->withTextBody($this->generateTextBodyFromHtml($html));
        }

        if (!is_array($view) || (!isset($view['html']) && !isset($view['text']))) {
            throw new RuntimeException(
                'The "$view" parameter must be a string or array with at least one "txt" or "html" key.',
            );
        }

        if (isset($view['html'])) {
            $html = $this->renderHtml($view['html'], $parameters);
            $message = $message->withHtmlBody($html);
        }

        if (isset($view['text'])) {
            $text = $this->renderText($view['text'], $parameters);
            $message = $message->withTextBody($text);
        }

        if (isset($html) && !isset($text)) {
            $message = $message->withTextBody($this->generateTextBodyFromHtml($html));
        }

        return $message;
    }

    /**
     * Renders the HTML view specified with optional parameters and layout.
     *
     * @param string $view The view name of the view file.
     * @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
     *
     * @throws Throwable If an error occurred during rendering.
     *
     * @see View::render()
     *
     * @return string The rendering HTML result.
     */
    public function renderHtml(string $view, array $parameters = []): string
    {
        $content = $this->view->render($view, $parameters, $this);

        if ($this->htmlLayout === '') {
            return $content;
        }

        return $this->view->render($this->htmlLayout, ['content' => $content], $this);
    }

    /**
     * Renders the TEXT view specified with optional parameters and layout.
     *
     * @param string $view The view name of the view file.
     * @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
     *
     * @throws Throwable If an error occurred during rendering.
     *
     * @see View::render()
     *
     * @return string The rendering TEXT result.
     */
    public function renderText(string $view, array $parameters = []): string
    {
        $content = $this->view->render($view, $parameters, $this);

        if ($this->textLayout === '') {
            return $content;
        }

        return $this->view->render($this->textLayout, ['content' => $content], $this);
    }

    /**
     * Generates a TEXT body from an HTML body.
     *
     * @param string $html The HTML body.
     *
     * @return string The TEXT body.
     */
    private function generateTextBodyFromHtml(string $html): string
    {
        if (preg_match('~<body[^>]*>(.*?)</body>~is', $html, $match)) {
            $html = $match[1];
        }
        // remove style and script
        $html = preg_replace('~<((style|script))[^>]*>(.*?)</\1>~is', '', $html);
        // strip all HTML tags and decode HTML entities
        $text = html_entity_decode(strip_tags($html), ENT_QUOTES | ENT_HTML5);
        // improve whitespace
        $text = preg_replace("~^[ \t]+~m", '', trim($text));
        return preg_replace('~\R\R+~mu', "\n\n", $text);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Mailer;
6
7		use RuntimeException;
8		use Throwable;
9		use Yiisoft\View\View;
10		use Yiisoft\View\ViewContextInterface;
11
12		use function html_entity_decode;
13		use function is_array;
14		use function is_string;
15		use function preg_match;
16		use function preg_replace;
17		use function strip_tags;
18		use function trim;
19
20		use const ENT_HTML5;
21		use const ENT_QUOTES;
22
23		/**
24		* View renderer used to compose message body.
25		*/
26		final class MessageBodyRenderer implements ViewContextInterface
27		{
28		/**
29		* @var View The view instance.
30		*/
31		private View $view;
32
33		/**
34		* @var string The directory containing view files for composing mail messages.
35		*/
36		private string $viewPath;
37
38		/**
39		* @var string The HTML layout view name.
40		*
41		* It is the layout used to render HTML mail body. If the value is empty string, no layout will be applied.
42		*
43		* The property can take the following values:
44		*
45		* - a relative view name: a view file relative to {@see MessageBodyRenderer::$viewPath}, e.g., 'layouts/html'.
46		* - an empty string: the layout is disabled.
47		*/
48		private string $htmlLayout;
49
50		/**
51		* @var string The TEXT layout view name.
52		*
53		* This is the layout used to render TEXT mail body. If the value is empty string, no layout will be applied.
54		*
55		* The property can take the following values:
56		*
57		* - a relative view name: a view file relative to {@see MessageBodyRenderer::$viewPath}, e.g., 'layouts/text'.
58		* - an empty string: the layout is disabled.
59		*/
60		private string $textLayout;
61
62		/**
63		* @param View $view The view instance.
64		* @param string $viewPath The directory containing view files for composing mail messages.
65		* @param string $htmlLayout The HTML layout view name. It is the layout used to render HTML mail body.
66		* @param string $textLayout The TEXT layout view name. This is the layout used to render TEXT mail body.
67		*/
68	32	public function __construct(
69		View $view,
70		string $viewPath,
71		string $htmlLayout = 'layouts/html',
72		string $textLayout = 'layouts/text'
73		) {
74	32	$this->view = $view;
75	32	$this->viewPath = $viewPath;
76	32	$this->htmlLayout = $htmlLayout;
77	32	$this->textLayout = $textLayout;
78	32	}
79
80	10	public function getViewPath(): string
81		{
82	10	return $this->viewPath;
83		}
84
85		/**
86		* Adds the rendered body to the message and returns it.
87		*
88		* @param MessageInterface $message The message to which the body will be added.
89		* @param mixed $view The view to be used for rendering the message body.
90		* This can be:
91		* - a string, which represents the view name for rendering the HTML body of the email.
92		* In this case, the text body will be generated by applying `strip_tags()` to the HTML body.
93		* - an array with 'html' and/or 'text' elements. The 'html' element refers to the view name
94		* for rendering the HTML body, while 'text' element is for rendering the text body.
95		* For example, `['html' => 'contact-html', 'text' => 'contact-text']`.
96		* @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
97		*
98		* @throws Throwable If an error occurred during rendering.
99		*
100		* @return MessageInterface The message with the added body.
101		*
102		* @psalm-suppress MixedArgument
103		*/
104	12	public function addToMessage(MessageInterface $message, $view, array $parameters = []): MessageInterface
105		{
106	12	if (is_string($view)) {
107	4	$html = $this->renderHtml($view, $parameters);
108	4	return $message->withHtmlBody($html)->withTextBody($this->generateTextBodyFromHtml($html));
109		}
110
111	12	if (!is_array($view) \|\| (!isset($view['html']) && !isset($view['text']))) {
112	7	throw new RuntimeException(
113	7	'The "$view" parameter must be a string or array with at least one "txt" or "html" key.',
114		);
115		}
116
117	5	if (isset($view['html'])) {
118	4	$html = $this->renderHtml($view['html'], $parameters);
119	4	$message = $message->withHtmlBody($html);
120		}
121
122	5	if (isset($view['text'])) {
123	3	$text = $this->renderText($view['text'], $parameters);
124	3	$message = $message->withTextBody($text);
125		}
126
127	5	if (isset($html) && !isset($text)) {
128	2	$message = $message->withTextBody($this->generateTextBodyFromHtml($html));
129		}
130
131	5	return $message;
132		}
133
134		/**
135		* Renders the HTML view specified with optional parameters and layout.
136		*
137		* @param string $view The view name of the view file.
138		* @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
139		*
140		* @throws Throwable If an error occurred during rendering.
141		*
142		* @see View::render()
143		*
144		* @return string The rendering HTML result.
145		*/
146	6	public function renderHtml(string $view, array $parameters = []): string
147		{
148	6	$content = $this->view->render($view, $parameters, $this);
149
150	6	if ($this->htmlLayout === '') {
151	5	return $content;
152		}
153
154	1	return $this->view->render($this->htmlLayout, ['content' => $content], $this);
155		}
156
157		/**
158		* Renders the TEXT view specified with optional parameters and layout.
159		*
160		* @param string $view The view name of the view file.
161		* @param array $parameters The parameters (name-value pairs) that will be extracted and available in the view file.
162		*
163		* @throws Throwable If an error occurred during rendering.
164		*
165		* @see View::render()
166		*
167		* @return string The rendering TEXT result.
168		*/
169	5	public function renderText(string $view, array $parameters = []): string
170		{
171	5	$content = $this->view->render($view, $parameters, $this);
172
173	5	if ($this->textLayout === '') {
174	4	return $content;
175		}
176
177	1	return $this->view->render($this->textLayout, ['content' => $content], $this);
178		}
179
180		/**
181		* Generates a TEXT body from an HTML body.
182		*
183		* @param string $html The HTML body.
184		*
185		* @return string The TEXT body.
186		*/
187	4	private function generateTextBodyFromHtml(string $html): string
188		{
189	4	if (preg_match('~<body[^>]>(.?)</body>~is', $html, $match)) {
190	1	$html = $match[1];
191		}
192		// remove style and script
193	4	$html = preg_replace('~<((style\|script))[^>]>(.?)</\1>~is', '', $html);
194		// strip all HTML tags and decode HTML entities
195	4	$text = html_entity_decode(strip_tags($html), ENT_QUOTES \| ENT_HTML5);
196		// improve whitespace
197	4	$text = preg_replace("~^[ \t]+~m", '', trim($text));
198	4	return preg_replace('~\R\R+~mu', "\n\n", $text);
199		}
200		}
201

yiisoft / mailer

Pull Request — master (#24)

MessageBodyRenderer::__construct() A

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