PdfGenerator::viewToString() - Code Metrics - clippings/phantom-pdf - Measure and Improve Code Quality continuously with Scrutinizer

PdfGenerator::viewToString() A
last analyzed 2020-02-11 12:55 UTC

↳ Parent: PdfGenerator

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	4
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	2

<?php

namespace PhantomPdf;

use Exception;
use Symfony\Component\Process\Exception\RuntimeException;
use Symfony\Component\Process\Process;

class PdfGenerator
{
    /**
     * @var string
     */
    protected $baseUrl;

    /**
     * @var string
     */
    protected $binaryPath = 'phantomjs';

    /**
     * @var string
     */
    protected $storagePath;

    /**
     * @var string
     */
    protected $htmlPath;

    /**
     * @var string
     */
    protected $pdfPath;

    /**
     * @var int
     */
    protected $timeout = 10;

    /**
     * @var array
     */
    protected $commandLineOptions = [];

    /**
     * @var string
     */
    protected $convertScript = 'generate-pdf.js';

    /**
     * @var string
     */
    protected $orientation = 'portrait';

    /**
     * Save a PDF file to the disk
     * @param string|object $view
     * @param string $path
     */
    public function saveFromView($view, $path)
    {
        $this->generateFilePaths();

        $this->generatePdf($this->viewToString($view));

        rename($this->pdfPath, $path);
    }

    /**
     * Generate paths for the temporary files
     * @throws Exception
     */
    protected function generateFilePaths()
    {
        $this->validateStoragePath();

        $path = $this->storagePath . DIRECTORY_SEPARATOR;

        $this->htmlPath = $path . uniqid('pdf-', true).'.html';

        $this->pdfPath = $path . uniqid('html-', true) . '.pdf';
    }

    /**
     * Validate that the storage path is set and is writable
     * @throws \Exception
     */
    protected function validateStoragePath()
    {
        if (is_null($this->storagePath)) {
            throw new Exception('A storage path has not been set');
        }

        if (! is_dir($this->storagePath) || ! is_writable($this->storagePath)) {
            throw new Exception('The specified storage path is not writable');
        }
    }

    /**
     * Run the script with PhantomJS
     * @param string $view
     */
    protected function generatePdf($view)
    {
        $this->saveHtml($view);

        $command = implode(' ', [
            $this->binaryPath,
            implode(' ', $this->commandLineOptions),
            $this->convertScript,
            $this->prefixHtmlPath($this->htmlPath),
            $this->pdfPath,
            $this->orientation
        ]);

        $process = new Process($command, __DIR__);
        $process->setTimeout($this->timeout);
        $process->run();

        if ($errorOutput = $process->getErrorOutput()) {
            throw new RuntimeException('PhantomJS: ' . $errorOutput);
        }

        // Remove temporary html file
        if (is_file($this->htmlPath)) {
            unlink($this->htmlPath);
        }
    }

    /**
     * Convert the provided view to a string. The __toString method is called manually to be able to catch exceptions
     * in the view which is not possible otherwise. https://bugs.php.net/bug.php?id=53648
     * @param mixed $view
     * @return string
     */
    protected function viewToString($view)
    {
        return is_object($view) ? $view->__toString() : $view;
    }

    /**
     * Save a string to a html file
     * @param string $html
     */
    protected function saveHtml($html)
    {
        $html = $this->insertBaseTag($html);

        file_put_contents($this->htmlPath, $html);
    }

    /**
     * Insert a base tag after the head tag to allow relative references to assets
     * @param string $view
     * @return string
     */
    protected function insertBaseTag($view)
    {
        if (is_null($this->baseUrl)) {
            return $view;
        }

        return str_replace('<head>', '<head><base href="'.$this->baseUrl.'">', $view);
    }

    /**
     * Prefix the input path for windows versions of PhantomJS
     * @param string $path
     * @return string
     */
    public function prefixHtmlPath($path)
    {
        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
            return 'file:///' . $path;
        }

        return $path;
    }

    /**
     * Set the base url for the base tag
     * @param string $url
     * @return self
     */
    public function setBaseUrl($url)
    {
        $this->baseUrl = $url;

        return $this;
    }

    public function getBaseUrl()
    {
        return $this->baseUrl;
    }

    /**
     * Set the binary path
     * @param string $path
     * @return self
     */
    public function setBinaryPath($path)
    {
        $this->binaryPath = $path;

        return $this;
    }

    public function getBinaryPath()
    {
        return $this->binaryPath;
    }

    /**
     * Set the storage path for temporary files
     * @param string $path
     * @return self
     */
    public function setStoragePath($path)
    {
        $this->storagePath = $path;

        return $this;
    }

    public function getStoragePath()
    {
        return $this->storagePath;
    }

    /**
     * @param  int $seconds
     * @return self
     */
    public function setTimeout($seconds)
    {
        $this->timeout = (int) $seconds;

        return $this;
    }

    /**
     * @return int
     */
    public function getTimeout()
    {
        return $this->timeout;
    }

    /**
     * Ignore PhantomJS SSL errors
     * @return self
     */
    public function ignoreSSLErrors()
    {
        $this->commandLineOptions[] = '--ignore-ssl-errors=true';

        return $this;
    }

    /**
     * Add a command line option for PhantomJS
     * @param string $option
     * @return self
     */
    public function addCommandLineOption($option)
    {
        $this->commandLineOptions[] = $option;

        return $this;
    }

    /**
     * @return array
     */
    public function getCommandLineOptions()
    {
        return $this->commandLineOptions;
    }

    /**
     * Use a custom script to be run via PhantomJS
     * @param string $path
     * @return self
     */
    public function setConvertScript($path)
    {
        $this->convertScript = $path;

        return $this;
    }

    /**
     * @return string
     */
    public function getConvertScript()
    {
        return $this->convertScript;
    }

    /**
     * @return string
     */
    public function getOrientation()
    {
        return $this->orientation;
    }

    /**
     * @param string $orientation
     * @return self
     */
    public function setOrientation($orientation)
    {
        $this->orientation = $orientation;

        return $this;
    }
}


1		<?php
2
3		namespace PhantomPdf;
4
5		use Exception;
6		use Symfony\Component\Process\Exception\RuntimeException;
7		use Symfony\Component\Process\Process;
8
9		class PdfGenerator
10		{
11		/**
12		* @var string
13		*/
14		protected $baseUrl;
15
16		/**
17		* @var string
18		*/
19		protected $binaryPath = 'phantomjs';
20
21		/**
22		* @var string
23		*/
24		protected $storagePath;
25
26		/**
27		* @var string
28		*/
29		protected $htmlPath;
30
31		/**
32		* @var string
33		*/
34		protected $pdfPath;
35
36		/**
37		* @var int
38		*/
39		protected $timeout = 10;
40
41		/**
42		* @var array
43		*/
44		protected $commandLineOptions = [];
45
46		/**
47		* @var string
48		*/
49		protected $convertScript = 'generate-pdf.js';
50
51		/**
52		* @var string
53		*/
54		protected $orientation = 'portrait';
55
56		/**
57		* Save a PDF file to the disk
58		* @param string\|object $view
59		* @param string $path
60		*/
61	1	public function saveFromView($view, $path)
62		{
63	1	$this->generateFilePaths();
64
65	1	$this->generatePdf($this->viewToString($view));
66
67	1	rename($this->pdfPath, $path);
68	1	}
69
70		/**
71		* Generate paths for the temporary files
72		* @throws Exception
73		*/
74	1	protected function generateFilePaths()
75		{
76	1	$this->validateStoragePath();
77
78	1	$path = $this->storagePath . DIRECTORY_SEPARATOR;
79
80	1	$this->htmlPath = $path . uniqid('pdf-', true).'.html';
81
82	1	$this->pdfPath = $path . uniqid('html-', true) . '.pdf';
83	1	}
84
85		/**
86		* Validate that the storage path is set and is writable
87		* @throws \Exception
88		*/
89	3	protected function validateStoragePath()
90		{
91	3	if (is_null($this->storagePath)) {
92	1	throw new Exception('A storage path has not been set');
93		}
94
95	2	if (! is_dir($this->storagePath) \|\| ! is_writable($this->storagePath)) {
96	1	throw new Exception('The specified storage path is not writable');
97		}
98	1	}
99
100		/**
101		* Run the script with PhantomJS
102		* @param string $view
103		*/
104	2	protected function generatePdf($view)
105		{
106	2	$this->saveHtml($view);
107
108	2	$command = implode(' ', [
109	2	$this->binaryPath,
110	2	implode(' ', $this->commandLineOptions),
111	2	$this->convertScript,
112	2	$this->prefixHtmlPath($this->htmlPath),
113	2	$this->pdfPath,
114	2	$this->orientation
115		]);
116
117	2	$process = new Process($command, __DIR__);
118	2	$process->setTimeout($this->timeout);
119	2	$process->run();
120
121	2	if ($errorOutput = $process->getErrorOutput()) {
122	1	throw new RuntimeException('PhantomJS: ' . $errorOutput);
123		}
124
125		// Remove temporary html file
126	1	if (is_file($this->htmlPath)) {
127	1	unlink($this->htmlPath);
128		}
129	1	}
130
131		/**
132		* Convert the provided view to a string. The __toString method is called manually to be able to catch exceptions
133		* in the view which is not possible otherwise. https://bugs.php.net/bug.php?id=53648
134		* @param mixed $view
135		* @return string
136		*/
137	1	protected function viewToString($view)
138		{
139	1	return is_object($view) ? $view->__toString() : $view;
140		}
141
142		/**
143		* Save a string to a html file
144		* @param string $html
145		*/
146	1	protected function saveHtml($html)
147		{
148	1	$html = $this->insertBaseTag($html);
149
150	1	file_put_contents($this->htmlPath, $html);
151	1	}
152
153		/**
154		* Insert a base tag after the head tag to allow relative references to assets
155		* @param string $view
156		* @return string
157		*/
158	2	protected function insertBaseTag($view)
159		{
160	2	if (is_null($this->baseUrl)) {
161	1	return $view;
162		}
163
164	1	return str_replace('<head>', '<head><base href="'.$this->baseUrl.'">', $view);
165		}
166
167		/**
168		* Prefix the input path for windows versions of PhantomJS
169		* @param string $path
170		* @return string
171		*/
172	1	public function prefixHtmlPath($path)
173		{
174	1	if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
175		return 'file:///' . $path;
176		}
177
178	1	return $path;
179		}
180
181		/**
182		* Set the base url for the base tag
183		* @param string $url
184		* @return self
185		*/
186	1	public function setBaseUrl($url)
187		{
188	1	$this->baseUrl = $url;
189
190	1	return $this;
191		}
192
193	1	public function getBaseUrl()
194		{
195	1	return $this->baseUrl;
196		}
197
198		/**
199		* Set the binary path
200		* @param string $path
201		* @return self
202		*/
203	1	public function setBinaryPath($path)
204		{
205	1	$this->binaryPath = $path;
206
207	1	return $this;
208		}
209
210	1	public function getBinaryPath()
211		{
212	1	return $this->binaryPath;
213		}
214
215		/**
216		* Set the storage path for temporary files
217		* @param string $path
218		* @return self
219		*/
220	1	public function setStoragePath($path)
221		{
222	1	$this->storagePath = $path;
223
224	1	return $this;
225		}
226
227	1	public function getStoragePath()
228		{
229	1	return $this->storagePath;
230		}
231
232		/**
233		* @param int $seconds
234		* @return self
235		*/
236	1	public function setTimeout($seconds)
237		{
238	1	$this->timeout = (int) $seconds;
239
240	1	return $this;
241		}
242
243		/**
244		* @return int
245		*/
246	1	public function getTimeout()
247		{
248	1	return $this->timeout;
249		}
250
251		/**
252		* Ignore PhantomJS SSL errors
253		* @return self
254		*/
255	1	public function ignoreSSLErrors()
256		{
257	1	$this->commandLineOptions[] = '--ignore-ssl-errors=true';
258
259	1	return $this;
260		}
261
262		/**
263		* Add a command line option for PhantomJS
264		* @param string $option
265		* @return self
266		*/
267	1	public function addCommandLineOption($option)
268		{
269	1	$this->commandLineOptions[] = $option;
270
271	1	return $this;
272		}
273
274		/**
275		* @return array
276		*/
277	1	public function getCommandLineOptions()
278		{
279	1	return $this->commandLineOptions;
280		}
281
282		/**
283		* Use a custom script to be run via PhantomJS
284		* @param string $path
285		* @return self
286		*/
287	1	public function setConvertScript($path)
288		{
289	1	$this->convertScript = $path;
290
291	1	return $this;
292		}
293
294		/**
295		* @return string
296		*/
297	1	public function getConvertScript()
298		{
299	1	return $this->convertScript;
300		}
301
302		/**
303		* @return string
304		*/
305		public function getOrientation()
306		{
307		return $this->orientation;
308		}
309
310		/**
311		* @param string $orientation
312		* @return self
313		*/
314		public function setOrientation($orientation)
315		{
316		$this->orientation = $orientation;
317
318		return $this;
319		}
320		}
321

clippings / phantom-pdf

PdfGenerator::viewToString() A last analyzed 2020-02-11 12:55 UTC

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PdfGenerator::viewToString() A
last analyzed 2020-02-11 12:55 UTC