DataProvider::getCount() - Code Metrics - Inspection of "Ability to disable auto slave select for all read..." - yiisoft/db - Measure and Improve Code Quality continuously with Scrutinizer

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by Sergei

created 2022-03-25 12:55 UTC

DataProvider::getCount() A

↳ Parent: DataProvider

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	3
ccs	0
cts	2
cp	0
crap	2
rs	10

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Data;

use Yiisoft\Data\Paginator\PaginatorInterface;

/**
 * DataProvider provides a base class that implements the {@see DataProviderInterface}.
 *
 * For more details and usage information on DataProvider, see the
 * [guide article on data providers](guide:output-data-providers).
 */
abstract class DataProvider implements DataProviderInterface
{
    /**
     * @var string an ID that uniquely identifies the data provider among all data providers.
     * Generated automatically the following way in case it is not set:
     *
     * - First data provider ID is empty.
     * - Second and all subsequent data provider IDs are: "dp-1", "dp-2", etc.
     */
    private string $id;
    private ?Sort $sort = null;
    private ?PaginatorInterface $pagination = null;
    private array $keys = [];
    private array $models = [];
    private int $totalCount = 0;
    private bool $autoGenerate = true;
    private string $autoIdPrefix = 'dp';
    private static int $counter = 0;

    public function __construct()
    {
        if (isset($this->id)) {
            $this->id = $this->getId();
        }
    }

    /**
     * Prepares the data models that will be made available in the current page.
     *
     * @return array the available data models.
     */
    abstract protected function prepareModels(): array;

    /**
     * Prepares the keys associated with the currently available data models.
     *
     * @param array $value the available data models.
     *
     * @return array the keys.
     */
    abstract protected function prepareKeys(array $value = []): array;

    /**
     * Returns a value indicating the total number of data models in this data provider.
     *
     * @return int total number of data models in this data provider.
     */
    abstract protected function prepareTotalCount(): int;

    /**
     * Prepares the data models and keys.
     *
     * This method will prepare the data models and keys that can be retrieved via {@see getModels()} and
     * {@see getKeys()}.
     *
     * This method will be implicitly called by {@see getModels} and {@see getKeys()} if it has not been called
     * before.
     *
     * @param bool $forcePrepare whether to force data preparation even if it has been done before.
     */
    public function prepare(bool $forcePrepare = false): void
    {
        if ($forcePrepare || $this->models === []) {
            $this->models = $this->prepareModels();
        }
        if ($forcePrepare || $this->keys === []) {
            $this->keys = $this->prepareKeys($this->models);
        }
    }

    /**
     * Returns the data models in the current page.
     *
     * @return array the list of data models in the current page.
     */
    public function getModels(): array
    {
        $this->prepare();

        return $this->models;
    }

    /**
     * Sets the data models in the current page.
     *
     * @param array $value the models in the current page.
     */
    public function models(array $value): void
    {
        $this->models = $value;
    }

    /**
     * Returns the key values associated with the data models.
     *
     * @return array the list of key values corresponding to {@see models}. Each data model in
     * {@see models} is uniquely identified by the corresponding key value in this array.
     */
    public function getKeys(): array
    {
        $this->prepare();

        return $this->keys;
    }

    /**
     * Sets the key values associated with the data models.
     *
     * @param array $value the list of key values corresponding to {@see models}.
     */
    public function keys(array $value): void
    {
        $this->keys = $value;
    }

    /**
     * Returns the number of data models in the current page.
     *
     * @return int the number of data models in the current page.
     */
    public function getCount(): int
    {
        return count($this->getModels());
    }

    /**
     * Returns the total number of data models.
     *
     * When {@see pagination} is false, this returns the same value as {@see count}. Otherwise, it will call
     * {@see prepareTotalCount()} to get the count.
     *
     * @return int total number of possible data models.
     */
    public function getTotalCount(): int
    {
        if ($this->getPagination() === false) {

            return $this->getCount();
        }

        if ($this->totalCount === 0) {
            $this->totalCount = $this->prepareTotalCount();
        }

        return $this->totalCount;
    }

    /**
     * Sets the total number of data models.
     *
     * @param int $value the total number of data models.
     */
    public function totalCount(int $value): void
    {
        $this->totalCount = $value;
    }

    /**
     * Returns the pagination object used by this data provider.
     *
     * @return PaginatorInterface the pagination object. If this is false, it means the pagination is disabled.
     */
    public function getPagination(): ?PaginatorInterface
    {
        return $this->pagination;
    }

    /**
     * Sets the pagination for this data provider.
     *
     * @param PaginatorInterface $value the pagination to be used by this data provider.
     */
    public function pagination(PaginatorInterface $value): void
    {
        $this->pagination = $value;
    }

    /**
     * Returns the sorting object used by this data provider.
     *
     * @return Sort|null the sorting object. If this is false, it means the sorting is disabled.
     */
    public function getSort(): ?Sort
    {
        return $this->sort;
    }

    /**
     * Sets the sort definition for this data provider.
     *
     * @param Sort $value the sort definition to be used by this data provider.
     */
    public function withSort(Sort $value): void
    {
        $this->sort = $value;
    }

    /**
     * Refreshes the data provider.
     *
     * After calling this method, if {@see getModels()}, {@see getKeys()} or {@see getTotalCount()} is called again,
     * they will re-execute the query and return the latest data available.
     */
    public function refresh(): void
    {
        $this->totalCount = 0;
        $this->models = [];
        $this->keys = [];
    }

    /**
     * Set the Id of the widget.
     *
     * @param string $value
     *
     * @return $this
     */
    public function id(string $value): self
    {
        $this->id = $value;
        return $this;
    }

    /**
     * Counter used to generate {@see id} for widgets.
     *
     * @param int $value
     */
    public static function counterId(int $value): void
    {
        self::$counter = $value;
    }

    /**
     * The prefix to the automatically generated widget IDs.
     *
     * @param string $value
     *
     * @return $this
     *
     * {@see getId()}
     */
    public function autoIdPrefix(string $value): self
    {
        $this->autoIdPrefix = $value;
        return $this;
    }

    /**
     * @return string|null Id of the widget.
     */
    protected function getId(): ?string
    {
        if ($this->autoGenerate && $this->id === null) {
            $this->id = $this->autoIdPrefix . ++self::$counter;
        }

        return $this->id;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Db\Data;
6
7		use Yiisoft\Data\Paginator\PaginatorInterface;
8
9		/**
10		* DataProvider provides a base class that implements the {@see DataProviderInterface}.
11		*
12		* For more details and usage information on DataProvider, see the
13		* [guide article on data providers](guide:output-data-providers).
14		*/
15		abstract class DataProvider implements DataProviderInterface
16		{
17		/**
18		* @var string an ID that uniquely identifies the data provider among all data providers.
19		* Generated automatically the following way in case it is not set:
20		*
21		* - First data provider ID is empty.
22		* - Second and all subsequent data provider IDs are: "dp-1", "dp-2", etc.
23		*/
24		private string $id;
25		private ?Sort $sort = null;
26		private ?PaginatorInterface $pagination = null;
27		private array $keys = [];
28		private array $models = [];
29		private int $totalCount = 0;
30		private bool $autoGenerate = true;
31		private string $autoIdPrefix = 'dp';
32		private static int $counter = 0;
33
34		public function __construct()
35		{
36		if (isset($this->id)) {
37		$this->id = $this->getId();
38		}
39		}
40
41		/**
42		* Prepares the data models that will be made available in the current page.
43		*
44		* @return array the available data models.
45		*/
46		abstract protected function prepareModels(): array;
47
48		/**
49		* Prepares the keys associated with the currently available data models.
50		*
51		* @param array $value the available data models.
52		*
53		* @return array the keys.
54		*/
55		abstract protected function prepareKeys(array $value = []): array;
56
57		/**
58		* Returns a value indicating the total number of data models in this data provider.
59		*
60		* @return int total number of data models in this data provider.
61		*/
62		abstract protected function prepareTotalCount(): int;
63
64		/**
65		* Prepares the data models and keys.
66		*
67		* This method will prepare the data models and keys that can be retrieved via {@see getModels()} and
68		* {@see getKeys()}.
69		*
70		* This method will be implicitly called by {@see getModels} and {@see getKeys()} if it has not been called
71		* before.
72		*
73		* @param bool $forcePrepare whether to force data preparation even if it has been done before.
74		*/
75	12	public function prepare(bool $forcePrepare = false): void
76		{
77	12	if ($forcePrepare \|\| $this->models === []) {
78	12	$this->models = $this->prepareModels();
79		}
80	12	if ($forcePrepare \|\| $this->keys === []) {
81	12	$this->keys = $this->prepareKeys($this->models);
82		}
83		}
84
85		/**
86		* Returns the data models in the current page.
87		*
88		* @return array the list of data models in the current page.
89		*/
90	8	public function getModels(): array
91		{
92	8	$this->prepare();
93
94	8	return $this->models;
95		}
96
97		/**
98		* Sets the data models in the current page.
99		*
100		* @param array $value the models in the current page.
101		*/
102		public function models(array $value): void
103		{
104		$this->models = $value;
105		}
106
107		/**
108		* Returns the key values associated with the data models.
109		*
110		* @return array the list of key values corresponding to {@see models}. Each data model in
111		* {@see models} is uniquely identified by the corresponding key value in this array.
112		*/
113	4	public function getKeys(): array
114		{
115	4	$this->prepare();
116
117	4	return $this->keys;
118		}
119
120		/**
121		* Sets the key values associated with the data models.
122		*
123		* @param array $value the list of key values corresponding to {@see models}.
124		*/
125		public function keys(array $value): void
126		{
127		$this->keys = $value;
128		}
129
130		/**
131		* Returns the number of data models in the current page.
132		*
133		* @return int the number of data models in the current page.
134		*/
135		public function getCount(): int
136		{
137		return count($this->getModels());
138		}
139
140		/**
141		* Returns the total number of data models.
142		*
143		* When {@see pagination} is false, this returns the same value as {@see count}. Otherwise, it will call
144		* {@see prepareTotalCount()} to get the count.
145		*
146		* @return int total number of possible data models.
147		*/
148	8	public function getTotalCount(): int
149		{
150	8	if ($this->getPagination() === false) {
		0 ignored issues – show introduced 2020-09-16 23:25 UTC by Report Bug Copy Issue Report The condition `$this->getPagination() === false` is always `false`. Loading history...
151		return $this->getCount();
152		}
153
154	8	if ($this->totalCount === 0) {
155	8	$this->totalCount = $this->prepareTotalCount();
156		}
157
158	8	return $this->totalCount;
159		}
160
161		/**
162		* Sets the total number of data models.
163		*
164		* @param int $value the total number of data models.
165		*/
166		public function totalCount(int $value): void
167		{
168		$this->totalCount = $value;
169		}
170
171		/**
172		* Returns the pagination object used by this data provider.
173		*
174		* @return PaginatorInterface the pagination object. If this is false, it means the pagination is disabled.
175		*/
176	20	public function getPagination(): ?PaginatorInterface
177		{
178	20	return $this->pagination;
179		}
180
181		/**
182		* Sets the pagination for this data provider.
183		*
184		* @param PaginatorInterface $value the pagination to be used by this data provider.
185		*/
186		public function pagination(PaginatorInterface $value): void
187		{
188		$this->pagination = $value;
189		}
190
191		/**
192		* Returns the sorting object used by this data provider.
193		*
194		* @return Sort\|null the sorting object. If this is false, it means the sorting is disabled.
195		*/
196	12	public function getSort(): ?Sort
197		{
198	12	return $this->sort;
199		}
200
201		/**
202		* Sets the sort definition for this data provider.
203		*
204		* @param Sort $value the sort definition to be used by this data provider.
205		*/
206	4	public function withSort(Sort $value): void
207		{
208	4	$this->sort = $value;
209		}
210
211		/**
212		* Refreshes the data provider.
213		*
214		* After calling this method, if {@see getModels()}, {@see getKeys()} or {@see getTotalCount()} is called again,
215		* they will re-execute the query and return the latest data available.
216		*/
217		public function refresh(): void
218		{
219		$this->totalCount = 0;
220		$this->models = [];
221		$this->keys = [];
222		}
223
224		/**
225		* Set the Id of the widget.
226		*
227		* @param string $value
228		*
229		* @return $this
230		*/
231		public function id(string $value): self
232		{
233		$this->id = $value;
234		return $this;
235		}
236
237		/**
238		* Counter used to generate {@see id} for widgets.
239		*
240		* @param int $value
241		*/
242		public static function counterId(int $value): void
243		{
244		self::$counter = $value;
245		}
246
247		/**
248		* The prefix to the automatically generated widget IDs.
249		*
250		* @param string $value
251		*
252		* @return $this
253		*
254		* {@see getId()}
255		*/
256		public function autoIdPrefix(string $value): self
257		{
258		$this->autoIdPrefix = $value;
259		return $this;
260		}
261
262		/**
263		* @return string\|null Id of the widget.
264		*/
265		protected function getId(): ?string
266		{
267		if ($this->autoGenerate && $this->id === null) {
268		$this->id = $this->autoIdPrefix . ++self::$counter;
269		}
270
271		return $this->id;
272		}
273		}
274

yiisoft / db

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DataProvider::getCount() A

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