Search::slice() - Code Metrics - Inspection of "Merge pull request #10 from nark3d/feature_offset" - nark3d/LaravelZendSearch - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( cce487...102796 )

by Adam

created 2016-10-17 18:48 UTC

Search::slice() A

↳ Parent: Search

Complexity

Conditions	2
Paths	2

Size

Total Lines	4
Code Lines	2

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
eloc	2
nc	2
nop	1
crap	2

<?php

namespace BestServedCold\LaravelZendSearch\Lucene;

use ZendSearch\Lucene\Index\Term;
use ZendSearch\Lucene\Search\Query\Boolean;
use ZendSearch\Lucene\Search\Query\Fuzzy;
use ZendSearch\Lucene\Search\Query\MultiTerm;
use ZendSearch\Lucene\Search\Query\Phrase;
use ZendSearch\Lucene\Search\Query\Wildcard;
use ZendSearch\Lucene\Search\Query\Term as QueryTerm;
use ZendSearch\Lucene\Search\QueryHit;
use ZendSearch\Lucene\Search\QueryParser;

/**
 * Class Search
 * @package BestServedCold\LaravelZendSearch\Lucene
 */
class Search
{
    /**
     * @var Index $index
     */
    protected $index;

    /**
     * @var Query $query
     */
    protected $query;

    /**
     * @var string|boolean $path
     */
    private $path;

    /**
     * @var int $limit
     */
    private $limit = 25;

    /**
     * @var int $offset
     */
    private $offset = 0;

    /**
     * @var Boolean
     */
    private static $boolean;

    /**
     * Search constructor.
     *
     * @param Index $index
     * @param Query $query
     */
    public function __construct(Index $index, Query $query)
    {
        $this->index = $index;
        $this->query = $query;
        QueryParser::setDefaultEncoding('UTF-8');
    }

    /**
     * @param  $name
     * @param  $arguments
     * @return $this
     * @throws \BadMethodCallException
     */
    public function __call($name, $arguments)
    {
        if (method_exists($this->query, $name)) {
            $this->query->$name($arguments);
            return $this;
        }

        throw new \BadMethodCallException;
    }

    /**
     * @param  integer $limit
     * @return $this
     */
    public function limit($limit)
    {
        $this->limit = $limit;
        return $this;
    }

    /**
     * @param  integer $offset
     * @return $this
     */
    public function offset($offset)
    {
        $this->offset = $offset;
        return $this;
    }

    /**
     * @param bool|string $path
     * @return $this
     */
    public function path($path = false)
    {
        $this->path = $path;
        return $this;
    }

    /**
     * @param $string
     * @return $this
     */
    public function raw($string)
    {
        $this->query->add(QueryParser::parse($string));
        return $this;
    }

    /**
     * @param $string
     * @param null|string $field
     * @param null        $offsets
     * @return $this
     * @return $this
     */
    public function phrase($string, $field = null, $offsets = null)
    {
        $this->query->add(new Phrase(explode(' ', $string), $offsets, $field));
        return $this;
    }

    /**
     * @param $string
     * @param null|string   $field
     * @return $this
     */
    public function fuzzy($string, $field = null)
    {
        $this->query->add(new Fuzzy($this->indexTerm($field, $string)));
        return $this;
    }

    /**
     * @param $string
     * @param null|string   $field
     * @return Term
     */
    protected function indexTerm($string, $field = null)
    {
        return new Term(strtolower($string), $field);
    }

    /**
     * @param  $string
     * @param  null|string $field
     * @return $this
     */
    public function wildcard($string, $field = null)
    {
        $this->query->add(new Wildcard($this->indexTerm($string, $field)));
        return $this;
    }

    /**
     * Where
     *
     * A helper method to access phrase or to pass multiple fields.  Phrase doesn't "match" exactly and
     * allows searching within the text field rather than matching the whole string.
     *
     * @param boolean|$string
     * @param null|string $field
     * @return $this|bool
     */
    public function where($string, $field = null)
    {
        is_array($field)
            ? $this->multiTerm($this->mapWhereArray($string, $field))
            : $this->phrase($string, $field);

        return $this;
    }

    /**
     * Match
     *
     * Provides an exact pattern match.
     *
     * @param  $string
     * @param  null $field
     * @return $this
     */
    public function match($string, $field = null)
    {
        $this->query->add($this->term($string, $field));
        return $this;
    }

    /**
     * @param array $terms
     * @return $this
     */
    public function multiTerm(array $terms)
    {
        $multiTerm = new MultiTerm;
        foreach ($terms as $field => $value) {
            $multiTerm->addTerm($this->indexTerm($value, $field), null);
        }

        $this->query->add($multiTerm);

        return $this;
    }

    /**
     * @param string $string
     * @param array  $array
     * @return mixed
     */
    private function mapWhereArray($string, array $array)
    {
        return array_map(
            function() use ($string) {
                return $string;
            },
            array_flip($array)
        );
    }

    /**
     * @param string         $string
     * @param string|null $field
     * @return QueryTerm
     */
    public function term($string, $field = null)
    {
        return new QueryTerm($this->indexTerm($string, $field));
    }

    /**
     * @return mixed
     */
    public function hits()
    {
        $index = $this->index->limit($this->limit + $this->offset)->open($this->path)->get();
        self::$boolean = $this->query->getBoolean();
        return $this->slice($this->mapIds($index->find(self::$boolean)));
    }

    /**
     * Slice
     *
     * This may look nasty, but there really isn't another way of offsetting results Lucene, and nor would
     * you want to really, that's not what it's designed for.  It will be quick up to a thousand and after
     * that you should be asking the user to "refine their search".
     *
     * @param  mixed $hits
     * @return array
     */
    public function slice($hits)
    {
        return $this->offset ? array_slice($hits, $this->offset) : $hits;
    }

    /**
     * @param  array|QueryHit $array
     * @return mixed
     */
    private function mapIds($array)
    {
        return array_map(
            function(QueryHit $hit) {
                return isset($hit->xref_id) ? $hit->xref_id : null;
            },
            $array
        );
    }

    /**
     * @return mixed
     */
    public static function getLastQuery()
    {
        return self::$boolean;
    }
}


1		<?php
2
3		namespace BestServedCold\LaravelZendSearch\Lucene;
4
5		use ZendSearch\Lucene\Index\Term;
6		use ZendSearch\Lucene\Search\Query\Boolean;
7		use ZendSearch\Lucene\Search\Query\Fuzzy;
8		use ZendSearch\Lucene\Search\Query\MultiTerm;
9		use ZendSearch\Lucene\Search\Query\Phrase;
10		use ZendSearch\Lucene\Search\Query\Wildcard;
11		use ZendSearch\Lucene\Search\Query\Term as QueryTerm;
12		use ZendSearch\Lucene\Search\QueryHit;
13		use ZendSearch\Lucene\Search\QueryParser;
14
15		/**
16		* Class Search
17		* @package BestServedCold\LaravelZendSearch\Lucene
18		*/
19		class Search
20		{
21		/**
22		* @var Index $index
23		*/
24		protected $index;
25
26		/**
27		* @var Query $query
28		*/
29		protected $query;
30
31		/**
32		* @var string\|boolean $path
33		*/
34		private $path;
35
36		/**
37		* @var int $limit
38		*/
39		private $limit = 25;
40
41		/**
42		* @var int $offset
43		*/
44		private $offset = 0;
45
46		/**
47		* @var Boolean
48		*/
49		private static $boolean;
50
51		/**
52		* Search constructor.
53		*
54		* @param Index $index
55		* @param Query $query
56		*/
57	32	public function __construct(Index $index, Query $query)
58		{
59	32	$this->index = $index;
60	32	$this->query = $query;
61	32	QueryParser::setDefaultEncoding('UTF-8');
62	32	}
63
64		/**
65		* @param $name
66		* @param $arguments
67		* @return $this
68		* @throws \BadMethodCallException
69		*/
70	2	public function __call($name, $arguments)
71		{
72	2	if (method_exists($this->query, $name)) {
73	1	$this->query->$name($arguments);
74	1	return $this;
75		}
76
77	1	throw new \BadMethodCallException;
78		}
79
80		/**
81		* @param integer $limit
82		* @return $this
83		*/
84	1	public function limit($limit)
85		{
86	1	$this->limit = $limit;
87	1	return $this;
88		}
89
90		/**
91		* @param integer $offset
92		* @return $this
93		*/
94	1	public function offset($offset)
95		{
96	1	$this->offset = $offset;
97	1	return $this;
98		}
99
100		/**
101		* @param bool\|string $path
102		* @return $this
103		*/
104	21	public function path($path = false)
105		{
106	21	$this->path = $path;
107	21	return $this;
108		}
109
110		/**
111		* @param $string
112		* @return $this
113		*/
114	1	public function raw($string)
115		{
116	1	$this->query->add(QueryParser::parse($string));
117	1	return $this;
118		}
119
120		/**
121		* @param $string
122		* @param null\|string $field
123		* @param null $offsets
124		* @return $this
125		* @return $this
126		*/
127	2	public function phrase($string, $field = null, $offsets = null)
128		{
129	2	$this->query->add(new Phrase(explode(' ', $string), $offsets, $field));
130	2	return $this;
131		}
132
133		/**
134		* @param $string
135		* @param null\|string $field
136		* @return $this
137		*/
138	1	public function fuzzy($string, $field = null)
139		{
140	1	$this->query->add(new Fuzzy($this->indexTerm($field, $string)));
141	1	return $this;
142		}
143
144		/**
145		* @param $string
146		* @param null\|string $field
147		* @return Term
148		*/
149	4	protected function indexTerm($string, $field = null)
150		{
151	4	return new Term(strtolower($string), $field);
152		}
153
154		/**
155		* @param $string
156		* @param null\|string $field
157		* @return $this
158		*/
159	1	public function wildcard($string, $field = null)
160		{
161	1	$this->query->add(new Wildcard($this->indexTerm($string, $field)));
162	1	return $this;
163		}
164
165		/**
166		* Where
167		*
168		* A helper method to access phrase or to pass multiple fields. Phrase doesn't "match" exactly and
169		* allows searching within the text field rather than matching the whole string.
170		*
171		* @param boolean\|$string
172		* @param null\|string $field
173		* @return $this\|bool
174		*/
175	2	public function where($string, $field = null)
176		{
177	2	is_array($field)
178	2	? $this->multiTerm($this->mapWhereArray($string, $field))
179	2	: $this->phrase($string, $field);
180
181	2	return $this;
182		}
183
184		/**
185		* Match
186		*
187		* Provides an exact pattern match.
188		*
189		* @param $string
190		* @param null $field
191		* @return $this
192		*/
193	2	public function match($string, $field = null)
194		{
195	2	$this->query->add($this->term($string, $field));
196	2	return $this;
197		}
198
199		/**
200		* @param array $terms
201		* @return $this
202		*/
203	1	public function multiTerm(array $terms)
204		{
205	1	$multiTerm = new MultiTerm;
206	1	foreach ($terms as $field => $value) {
207	1	$multiTerm->addTerm($this->indexTerm($value, $field), null);
208	1	}
209
210	1	$this->query->add($multiTerm);
211
212	1	return $this;
213		}
214
215		/**
216		* @param string $string
217		* @param array $array
218		* @return mixed
219		*/
220	1	private function mapWhereArray($string, array $array)
221		{
222	1	return array_map(
223		function() use ($string) {
224	1	return $string;
225	1	},
226	1	array_flip($array)
227	1	);
228		}
229
230		/**
231		* @param string $string
232		* @param string\|null $field
233		* @return QueryTerm
234		*/
235	3	public function term($string, $field = null)
236		{
237	3	return new QueryTerm($this->indexTerm($string, $field));
238		}
239
240		/**
241		* @return mixed
242		*/
243	2	public function hits()
244		{
245	2	$index = $this->index->limit($this->limit + $this->offset)->open($this->path)->get();
246	2	self::$boolean = $this->query->getBoolean();
247	2	return $this->slice($this->mapIds($index->find(self::$boolean)));
248		}
249
250		/**
251		* Slice
252		*
253		* This may look nasty, but there really isn't another way of offsetting results Lucene, and nor would
254		* you want to really, that's not what it's designed for. It will be quick up to a thousand and after
255		* that you should be asking the user to "refine their search".
256		*
257		* @param mixed $hits
258		* @return array
259		*/
260	2	public function slice($hits)
261		{
262	2	return $this->offset ? array_slice($hits, $this->offset) : $hits;
263		}
264
265		/**
266		* @param array\|QueryHit $array
267		* @return mixed
268		*/
269	3	private function mapIds($array)
270		{
271	3	return array_map(
272	3	function(QueryHit $hit) {
273	3	return isset($hit->xref_id) ? $hit->xref_id : null;
274	3	},
275		$array
276	3	);
277		}
278
279		/**
280		* @return mixed
281		*/
282	1	public static function getLastQuery()
283		{
284	1	return self::$boolean;
285		}
286		}
287

nark3d / LaravelZendSearch

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Search::slice() A

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