FeedIo::read() - Code Metrics - Inspection of "Separate DOM handling from main classes" - alexdebril/feed-io - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — issue/96 ( 542eb1...939878 )

by Alex

created 2017-06-16 06:00 UTC

FeedIo::read() A

↳ Parent: FeedIo

Complexity

Conditions	3
Paths	4

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	3.054

Importance

Changes

Metric	Value
dl	0
loc	17
ccs	9
cts	11
cp	0.8182
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	9
nc	4
nop	3
crap	3.054

<?php
/*
 * This file is part of the feed-io package.
 *
 * (c) Alexandre Debril <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FeedIo;

use FeedIo\Filter\ModifiedSince;
use FeedIo\Reader;
use FeedIo\Reader\FixerSet;
use FeedIo\Reader\FixerAbstract;
use FeedIo\Rule\DateTimeBuilder;
use FeedIo\Adapter\ClientInterface;
use FeedIo\Standard\Atom;
use FeedIo\Standard\Rss;
use FeedIo\Standard\Rdf;
use Psr\Log\LoggerInterface;

/**
 * This class acts as a facade. It provides methods to access feed-io main features
 *
 * <code>
 *   // $client is a \FeedIo\Adapter\ClientInterface instance, $logger a \Psr\Log\LoggerInterface
 *   $feedIo = new FeedIo($client, $logger);
 *
 *   // read a feed. Output is a Result instance
 *   $result = $feedIo->read('http://somefeed.org/feed.rss');
 *
 *   // use the feed
 *   $feed = $result->getFeed();
 *   echo $feed->getTitle();
 *
 *   // and its items
 *   foreach ( $feed as $item ) {
 *       echo $item->getTitle();
 *       echo $item->getDescription();
 *   }
 *
 * </code>
 *
 * <code>
 *   // build the feed to publish
 *   $feed = new \FeedIo\Feed;
 *   $feed->setTitle('title');
 *   // ...
 *
 *   // add items to it
 *   $item = new \FeedIo\Feed\Item
 *   $item->setTitle('my great post');
 *
 *   // want to publish a media ? no problem
 *   $media = new \FeedIo\Feed\Item\Media
 *   $media->setUrl('http://yourdomain.tld/medias/some-podcast.mp3');
 *   $media->setType('audio/mpeg');
 *
 *   // add it to the item
 *   $item->addMedia($media);
 *
 *   // add the item to the feed (almost there)
 *   $feed->add($item);
 *
 *   // format it in atom
 *   $feedIo->toAtom($feed);
 * </code>
 *
 */
class FeedIo
{

    /**
     * @var \FeedIo\Reader
     */
    protected $reader;

    /**
     * @var \FeedIo\Rule\DateTimeBuilder
     */
    protected $dateTimeBuilder;

    /**
     * @var \Psr\Log\LoggerInterface
     */
    protected $logger;

    /**
     * @var array
     */
    protected $standards;

    /**
     * @var \FeedIo\Reader\FixerSet
     */
    protected $fixerSet;

    /**
     * @param \FeedIo\Adapter\ClientInterface $client
     * @param \Psr\Log\LoggerInterface        $logger
     */
    public function __construct(ClientInterface $client, LoggerInterface $logger)
    {
        $this->logger = $logger;
        $this->dateTimeBuilder = new DateTimeBuilder($logger);
        $this->setReader(new Reader($client, $logger));
        $this->loadCommonStandards();
        $this->loadFixerSet();
    }

    /**
     * Loads main standards (RSS, RDF, Atom) in current object's attributes
     *
     * @return $this
     */
    protected function loadCommonStandards()
    {
        $standards = $this->getCommonStandards();
        foreach ($standards as $name => $standard) {
            $this->addStandard($name, $standard);
        }

        return $this;
    }

    /**
     * adds a filter to the reader
     *
     * @param \FeedIo\FilterInterface $filter
     * @return $this
     */
    public function addFilter(FilterInterface $filter)
    {
        $this->getReader()->addFilter($filter);

        return $this;
    }

    /**
     * Returns main standards
     *
     * @return array
     */
    public function getCommonStandards()
    {
        return array(
            'atom' => new Atom($this->dateTimeBuilder),
            'rss' => new Rss($this->dateTimeBuilder),
            'rdf' => new Rdf($this->dateTimeBuilder),
        );
    }

    /**
     * @param  string                   $name
     * @param  \FeedIo\StandardAbstract $standard
     * @return $this
     */
    public function addStandard($name, StandardAbstract $standard)
    {
        $name = strtolower($name);
        $this->standards[$name] = $standard;
        $parser = $this->newParser($standard->getSyntaxFormat(), $standard);
        $this->reader->addParser($parser);

        return $this;
    }

    /**
     * @param string $format
     * @param StandardAbstract $standard
     * @return object
     */
    public function newParser($format, StandardAbstract $standard)
    {
        $reflection = new \ReflectionClass("FeedIo\\Parser\\{$format}Parser");

        if ( ! $reflection->isSubclassOf('FeedIo\ParserAbstract') ) {
            throw new \InvalidArgumentException();
        }

        return $reflection->newInstanceArgs([$standard, $this->logger]);
    }

    /**
     * @return \FeedIo\Reader\FixerSet
     */
    public function getFixerSet()
    {
        return $this->fixerSet;
    }

    /**
     * @return $this
     */
    protected function loadFixerSet()
    {
        $this->fixerSet = new FixerSet();
        $fixers = $this->getBaseFixers();

        foreach ($fixers as $fixer) {
            $this->addFixer($fixer);
        }

        return $this;
    }

    /**
     * @param  FixerAbstract $fixer
     * @return $this
     */
    public function addFixer(FixerAbstract $fixer)
    {
        $fixer->setLogger($this->logger);
        $this->fixerSet->add($fixer);

        return $this;
    }

    /**
     * @return array
     */
    public function getBaseFixers()
    {
        return array(
            new Reader\Fixer\LastModified(),
            new Reader\Fixer\PublicId(),

        );
    }

    /**
     * @param array $formats
     * @return $this
     */
    public function addDateFormats(array $formats)
    {
        foreach( $formats as $format ) {
            $this->getDateTimeBuilder()->addDateFormat($format);
        }

        return $this;
    }

    /**
     * @return \FeedIo\Rule\DateTimeBuilder
     */
    public function getDateTimeBuilder()
    {
        return $this->dateTimeBuilder;
    }

    /**
     * @return \FeedIo\Reader
     */
    public function getReader()
    {
        return $this->reader;
    }

    /**
     * @param \FeedIo\Reader
     * @return $this
     */
    public function setReader(Reader $reader)
    {
        $this->reader = $reader;

        return $this;
    }

    /**
     * @param $url
     * @param  FeedInterface         $feed
     * @param  \DateTime             $modifiedSince
     * @return \FeedIo\Reader\Result
     */
    public function read($url, FeedInterface $feed = null, \DateTime $modifiedSince = null)
    {
        if (is_null($feed)) {
            $feed = new Feed();
        }

        if ($modifiedSince instanceof \DateTime) {
            $this->addFilter(new ModifiedSince($modifiedSince));
        }

        $this->logAction($feed, "read access : $url into a feed instance");
        $result = $this->reader->read($url, $feed, $modifiedSince);

        $this->fixerSet->correct($result->getFeed());

        return $result;
    }

    /**
     * @param $url
     * @param  \DateTime             $modifiedSince
     * @return \FeedIo\Reader\Result
     */
    public function readSince($url, \DateTime $modifiedSince)
    {
        return $this->read($url, new Feed(), $modifiedSince);
    }

    /**
     * @return $this
     */
    public function resetFilters()
    {
        $this->getReader()->resetFilters();

        return $this;
    }

    /**
     * @param  FeedInterface $feed
     * @param  string        $standard Standard's name
     * @return \DomDocument
     */
    public function format(FeedInterface $feed, $standard)
    {
        $this->logAction($feed, "formatting a feed in $standard format");

        $formatter = new Formatter($this->getStandard($standard), $this->logger);

        return $formatter->toDom($feed);
    }

    /**
     * @param  \FeedIo\FeedInterface $feed
     * @return \DomDocument
     */
    public function toRss(FeedInterface $feed)
    {
        return $this->format($feed, 'rss');
    }

    /**
     * @param  \FeedIo\FeedInterface $feed
     * @return \DomDocument
     */
    public function toAtom(FeedInterface $feed)
    {
        return $this->format($feed, 'atom');
    }

    /**
     * @param  string                   $name
     * @return \FeedIo\StandardAbstract
     * @throws \OutOfBoundsException
     */
    public function getStandard($name)
    {
        $name = strtolower($name);
        if (array_key_exists($name, $this->standards)) {
            return $this->standards[$name];
        }

        throw new \OutOfBoundsException("no standard found for $name");
    }

    /**
     * @param  \FeedIo\FeedInterface $feed
     * @param  string                $message
     * @return $this
     */
    protected function logAction(FeedInterface $feed, $message)
    {
        $class = get_class($feed);
        $this->logger->debug("$message (feed class : $class)");

        return $this;
    }
}


1		<?php
2		/*
3		* This file is part of the feed-io package.
4		*
5		* (c) Alexandre Debril <[email protected]>
6		*
7		* For the full copyright and license information, please view the LICENSE
8		* file that was distributed with this source code.
9		*/
10
11		namespace FeedIo;
12
13		use FeedIo\Filter\ModifiedSince;
14		use FeedIo\Reader;
15		use FeedIo\Reader\FixerSet;
16		use FeedIo\Reader\FixerAbstract;
17		use FeedIo\Rule\DateTimeBuilder;
18		use FeedIo\Adapter\ClientInterface;
19		use FeedIo\Standard\Atom;
20		use FeedIo\Standard\Rss;
21		use FeedIo\Standard\Rdf;
22		use Psr\Log\LoggerInterface;
23
24		/**
25		* This class acts as a facade. It provides methods to access feed-io main features
26		*
27		* <code>
28		* // $client is a \FeedIo\Adapter\ClientInterface instance, $logger a \Psr\Log\LoggerInterface
29		* $feedIo = new FeedIo($client, $logger);
30		*
31		* // read a feed. Output is a Result instance
32		* $result = $feedIo->read('http://somefeed.org/feed.rss');
33		*
34		* // use the feed
35		* $feed = $result->getFeed();
36		* echo $feed->getTitle();
37		*
38		* // and its items
39		* foreach ( $feed as $item ) {
40		* echo $item->getTitle();
41		* echo $item->getDescription();
42		* }
43		*
44		* </code>
45		*
46		* <code>
47		* // build the feed to publish
48		* $feed = new \FeedIo\Feed;
49		* $feed->setTitle('title');
50		* // ...
51		*
52		* // add items to it
53		* $item = new \FeedIo\Feed\Item
54		* $item->setTitle('my great post');
55		*
56		* // want to publish a media ? no problem
57		* $media = new \FeedIo\Feed\Item\Media
58		* $media->setUrl('http://yourdomain.tld/medias/some-podcast.mp3');
59		* $media->setType('audio/mpeg');
60		*
61		* // add it to the item
62		* $item->addMedia($media);
63		*
64		* // add the item to the feed (almost there)
65		* $feed->add($item);
66		*
67		* // format it in atom
68		* $feedIo->toAtom($feed);
69		* </code>
70		*
71		*/
72		class FeedIo
73		{
74
75		/**
76		* @var \FeedIo\Reader
77		*/
78		protected $reader;
79
80		/**
81		* @var \FeedIo\Rule\DateTimeBuilder
82		*/
83		protected $dateTimeBuilder;
84
85		/**
86		* @var \Psr\Log\LoggerInterface
87		*/
88		protected $logger;
89
90		/**
91		* @var array
92		*/
93		protected $standards;
94
95		/**
96		* @var \FeedIo\Reader\FixerSet
97		*/
98		protected $fixerSet;
99
100		/**
101		* @param \FeedIo\Adapter\ClientInterface $client
102		* @param \Psr\Log\LoggerInterface $logger
103		*/
104	8	public function __construct(ClientInterface $client, LoggerInterface $logger)
105		{
106	8	$this->logger = $logger;
107	8	$this->dateTimeBuilder = new DateTimeBuilder($logger);
108	8	$this->setReader(new Reader($client, $logger));
109	8	$this->loadCommonStandards();
110	8	$this->loadFixerSet();
111	8	}
112
113		/**
114		* Loads main standards (RSS, RDF, Atom) in current object's attributes
115		*
116		* @return $this
117		*/
118	8	protected function loadCommonStandards()
119		{
120	8	$standards = $this->getCommonStandards();
121	8	foreach ($standards as $name => $standard) {
122	8	$this->addStandard($name, $standard);
123	8	}
124
125	8	return $this;
126		}
127
128		/**
129		* adds a filter to the reader
130		*
131		* @param \FeedIo\FilterInterface $filter
132		* @return $this
133		*/
134	1	public function addFilter(FilterInterface $filter)
135		{
136	1	$this->getReader()->addFilter($filter);
137
138	1	return $this;
139		}
140
141		/**
142		* Returns main standards
143		*
144		* @return array
145		*/
146	8	public function getCommonStandards()
147		{
148		return array(
149	8	'atom' => new Atom($this->dateTimeBuilder),
150	8	'rss' => new Rss($this->dateTimeBuilder),
151	8	'rdf' => new Rdf($this->dateTimeBuilder),
152	8	);
153		}
154
155		/**
156		* @param string $name
157		* @param \FeedIo\StandardAbstract $standard
158		* @return $this
159		*/
160	8	public function addStandard($name, StandardAbstract $standard)
161		{
162	8	$name = strtolower($name);
163	8	$this->standards[$name] = $standard;
164	8	$parser = $this->newParser($standard->getSyntaxFormat(), $standard);
165	8	$this->reader->addParser($parser);
166
167	8	return $this;
168		}
169
170		/**
171		* @param string $format
172		* @param StandardAbstract $standard
173		* @return object
174		*/
175	7	public function newParser($format, StandardAbstract $standard)
176		{
177	7	$reflection = new \ReflectionClass("FeedIo\\Parser\\{$format}Parser");
178
179	7	if ( ! $reflection->isSubclassOf('FeedIo\ParserAbstract') ) {
180		throw new \InvalidArgumentException();
181		}
182
183	7	return $reflection->newInstanceArgs([$standard, $this->logger]);
184		}
185
186		/**
187		* @return \FeedIo\Reader\FixerSet
188		*/
189	1	public function getFixerSet()
190		{
191	1	return $this->fixerSet;
192		}
193
194		/**
195		* @return $this
196		*/
197	7	protected function loadFixerSet()
198		{
199	7	$this->fixerSet = new FixerSet();
200	7	$fixers = $this->getBaseFixers();
201
202	7	foreach ($fixers as $fixer) {
203	7	$this->addFixer($fixer);
204	7	}
205
206	7	return $this;
207		}
208
209		/**
210		* @param FixerAbstract $fixer
211		* @return $this
212		*/
213	7	public function addFixer(FixerAbstract $fixer)
214		{
215	7	$fixer->setLogger($this->logger);
216	7	$this->fixerSet->add($fixer);
217
218	7	return $this;
219		}
220
221		/**
222		* @return array
223		*/
224	7	public function getBaseFixers()
225		{
226		return array(
227	7	new Reader\Fixer\LastModified(),
228	7	new Reader\Fixer\PublicId(),
229
230	7	);
231		}
232
233		/**
234		* @param array $formats
235		* @return $this
236		*/
237	1	public function addDateFormats(array $formats)
238		{
239	1	foreach( $formats as $format ) {
240	1	$this->getDateTimeBuilder()->addDateFormat($format);
241	1	}
242
243	1	return $this;
244		}
245
246		/**
247		* @return \FeedIo\Rule\DateTimeBuilder
248		*/
249	2	public function getDateTimeBuilder()
250		{
251	2	return $this->dateTimeBuilder;
252		}
253
254		/**
255		* @return \FeedIo\Reader
256		*/
257	2	public function getReader()
258		{
259	2	return $this->reader;
260		}
261
262		/**
263		* @param \FeedIo\Reader
264		* @return $this
265		*/
266	8	public function setReader(Reader $reader)
267		{
268	8	$this->reader = $reader;
269
270	8	return $this;
271		}
272
273		/**
274		* @param $url
275		* @param FeedInterface $feed
276		* @param \DateTime $modifiedSince
277		* @return \FeedIo\Reader\Result
278		*/
279	1	public function read($url, FeedInterface $feed = null, \DateTime $modifiedSince = null)
280		{
281	1	if (is_null($feed)) {
282	1	$feed = new Feed();
283	1	}
284
285	1	if ($modifiedSince instanceof \DateTime) {
286		$this->addFilter(new ModifiedSince($modifiedSince));
287		}
288
289	1	$this->logAction($feed, "read access : $url into a feed instance");
290	1	$result = $this->reader->read($url, $feed, $modifiedSince);
291
292	1	$this->fixerSet->correct($result->getFeed());
293
294	1	return $result;
295		}
296
297		/**
298		* @param $url
299		* @param \DateTime $modifiedSince
300		* @return \FeedIo\Reader\Result
301		*/
302	1	public function readSince($url, \DateTime $modifiedSince)
303		{
304	1	return $this->read($url, new Feed(), $modifiedSince);
305		}
306
307		/**
308		* @return $this
309		*/
310		public function resetFilters()
311		{
312		$this->getReader()->resetFilters();
313
314		return $this;
315		}
316
317		/**
318		* @param FeedInterface $feed
319		* @param string $standard Standard's name
320		* @return \DomDocument
321		*/
322	1	public function format(FeedInterface $feed, $standard)
323		{
324	1	$this->logAction($feed, "formatting a feed in $standard format");
325
326	1	$formatter = new Formatter($this->getStandard($standard), $this->logger);
327
328	1	return $formatter->toDom($feed);
329		}
330
331		/**
332		* @param \FeedIo\FeedInterface $feed
333		* @return \DomDocument
334		*/
335	1	public function toRss(FeedInterface $feed)
336		{
337	1	return $this->format($feed, 'rss');
338		}
339
340		/**
341		* @param \FeedIo\FeedInterface $feed
342		* @return \DomDocument
343		*/
344	1	public function toAtom(FeedInterface $feed)
345		{
346	1	return $this->format($feed, 'atom');
347		}
348
349		/**
350		* @param string $name
351		* @return \FeedIo\StandardAbstract
352		* @throws \OutOfBoundsException
353		*/
354	2	public function getStandard($name)
355		{
356	2	$name = strtolower($name);
357	2	if (array_key_exists($name, $this->standards)) {
358	1	return $this->standards[$name];
359		}
360
361	1	throw new \OutOfBoundsException("no standard found for $name");
362		}
363
364		/**
365		* @param \FeedIo\FeedInterface $feed
366		* @param string $message
367		* @return $this
368		*/
369	1	protected function logAction(FeedInterface $feed, $message)
370		{
371	1	$class = get_class($feed);
372	1	$this->logger->debug("$message (feed class : $class)");
373
374	1	return $this;
375		}
376		}
377

alexdebril / feed-io

Push — issue/96 ( 542eb1...939878 )

FeedIo::read() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

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