DataProviderIterator::next() - Code Metrics - 2amigos/yii2-exportable-widget - Measure and Improve Code Quality continuously with Scrutinizer

DataProviderIterator::next() A
last analyzed 2018-03-21 16:31 UTC

↳ Parent: DataProviderIterator

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	10
ccs	0
cts	10
cp	0
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	7
nc	2
nop	0
crap	6

<?php

/*
 * This file is part of the 2amigos/yii2-exportable-widget project.
 * (c) 2amigOS! <http://2amigos.us/>
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace dosamigos\exportable\iterators;

use Countable;
use dosamigos\exportable\mappers\ColumnValueMapper;
use Iterator;
use OutOfBoundsException;
use yii\data\BaseDataProvider;
use yii\data\Pagination;

class DataProviderIterator implements Iterator, Countable
{
    /**
     * @var ColumnValueMapper|null
     */
    protected $itemMapper;
    /**
     * @var \yii\data\BaseDataProvider
     */
    private $dataProvider;
    /**
     * @var int
     */
    private $currentIndex = -1;
    /**
     * @var int
     */
    private $currentPage = 0;
    /**
     * @var int
     */
    private $totalItemCount = -1;
    /**
     * @var
     */
    private $items;

    /**
     * Constructor.
     *
     * @param BaseDataProvider $dataProvider the data provider to iterate over
     * @param ColumnValueMapper|null $itemMapper apply column transformations to Models
     * @param integer $pageSize pageSize to use for iteration. This is the number of objects loaded into memory at the same time.
     */
    public function __construct(BaseDataProvider $dataProvider, ColumnValueMapper $itemMapper = null, $pageSize = null)
    {
        $this->dataProvider = $dataProvider;
        $this->totalItemCount = $dataProvider->getTotalCount();
        $this->itemMapper = $itemMapper;
        if (($pagination = $this->dataProvider->getPagination()) === false) {
            $this->dataProvider->setPagination($pagination = new Pagination());
        }
        if ($pageSize !== null) {
            $pagination->pageSize = $pageSize;
        }
    }

    /**
     * Returns the data provider to iterate over
     * @return BaseDataProvider the data provider to iterate over
     */
    public function getDataProvider()
    {
        return $this->dataProvider;
    }

    /**
     * Gets the total number of items to iterate over
     * @return integer the total number of items to iterate over
     */
    public function getTotalItemCount()
    {
        return $this->totalItemCount;
    }

    /**
     * Gets the current item in the list.
     * This method is required by the Iterator interface.
     * @return mixed the current item in the list
     */
    public function current()
    {
        return $this->getItem($this->getCurrentIndex());
    }

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

    /**
     * Gets the key of the current item.
     * This method is required by the Iterator interface.
     * @return integer the key of the current item
     */
    public function key()
    {
        $pageSize = $this->getDataProvider()->getPagination()->pageSize;

        return $this->getCurrentPage() * $pageSize + $this->getCurrentIndex();
    }

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

    /**
     * Moves the pointer to the next item in the list.
     * This method is required by the Iterator interface.
     */
    public function next()
    {
        $pageSize = $this->getDataProvider()->getPagination()->pageSize;
        $this->currentIndex++;
        if ($this->currentIndex >= $pageSize) {
            $this->currentPage++;
            $this->currentIndex = 0;
            $this->loadPage();
        }
    }

    /**
     * Rewinds the iterator to the start of the list.
     * This method is required by the Iterator interface.
     */
    public function rewind()
    {
        $this->currentIndex = 0;
        $this->currentPage = 0;
        $this->loadPage();
    }

    /**
     * Checks if the current position is valid or not.
     * This method is required by the Iterator interface.
     * @return boolean true if this index is valid
     */
    public function valid()
    {
        return $this->key() < $this->getTotalItemCount();
    }

    /**
     * Gets the total number of items in the dataProvider.
     * This method is required by the Countable interface.
     * @return integer the total number of items
     */
    public function count()
    {
        return $this->getTotalItemCount();
    }

    /**
     * Loads a page of items
     * @return array the items from the next page of results
     */
    protected function loadPage()
    {
        $this->getDataProvider()->getPagination()->setPage($this->getCurrentPage());
        $this->getDataProvider()->prepare(true);

        return $this->items = $this->getDataProvider()->getModels();
    }

    /**
     * @param $index
     *
     * @return array
     */
    protected function getItem($index)
    {
        if (!isset($this->items[$index])) {
            throw new OutOfBoundsException('Index is not allowed be limits of current page');
        }
        if (!empty($this->itemMapper)) {
            return $this->itemMapper->map($this->items[$index], $index);
        }

        return $this->items[$index];
    }
}


1			<?php
2
3			/*
4			* This file is part of the 2amigos/yii2-exportable-widget project.
5			* (c) 2amigOS! <http://2amigos.us/>
6			* For the full copyright and license information, please view
7			* the LICENSE file that was distributed with this source code.
8			*/
9
10			namespace dosamigos\exportable\iterators;
11
12			use Countable;
13			use dosamigos\exportable\mappers\ColumnValueMapper;
14			use Iterator;
15			use OutOfBoundsException;
16			use yii\data\BaseDataProvider;
17			use yii\data\Pagination;
18
19			class DataProviderIterator implements Iterator, Countable
20			{
21			/**
22			* @var ColumnValueMapper\|null
23			*/
24			protected $itemMapper;
25			/**
26			* @var \yii\data\BaseDataProvider
27			*/
28			private $dataProvider;
29			/**
30			* @var int
31			*/
32			private $currentIndex = -1;
33			/**
34			* @var int
35			*/
36			private $currentPage = 0;
37			/**
38			* @var int
39			*/
40			private $totalItemCount = -1;
41			/**
42			* @var
43			*/
44			private $items;
45
46			/**
47			* Constructor.
48			*
49			* @param BaseDataProvider $dataProvider the data provider to iterate over
50			* @param ColumnValueMapper\|null $itemMapper apply column transformations to Models
51			* @param integer $pageSize pageSize to use for iteration. This is the number of objects loaded into memory at the same time.
52			*/
53			public function __construct(BaseDataProvider $dataProvider, ColumnValueMapper $itemMapper = null, $pageSize = null)
54			{
55			$this->dataProvider = $dataProvider;
56			$this->totalItemCount = $dataProvider->getTotalCount();
57			$this->itemMapper = $itemMapper;
58			if (($pagination = $this->dataProvider->getPagination()) === false) {
59			$this->dataProvider->setPagination($pagination = new Pagination());
60			}
61			if ($pageSize !== null) {
62			$pagination->pageSize = $pageSize;
63			}
64			}
65
66			/**
67			* Returns the data provider to iterate over
68			* @return BaseDataProvider the data provider to iterate over
69			*/
70			public function getDataProvider()
71			{
72			return $this->dataProvider;
73			}
74
75			/**
76			* Gets the total number of items to iterate over
77			* @return integer the total number of items to iterate over
78			*/
79			public function getTotalItemCount()
80			{
81			return $this->totalItemCount;
82			}
83
84			/**
85			* Gets the current item in the list.
86			* This method is required by the Iterator interface.
87			* @return mixed the current item in the list
88			*/
89			public function current()
90			{
91			return $this->getItem($this->getCurrentIndex());
92			}
93
94			/**
95			* @return int
96			*/
97			public function getCurrentIndex()
98			{
99			return $this->currentIndex;
100			}
101
102			/**
103			* Gets the key of the current item.
104			* This method is required by the Iterator interface.
105			* @return integer the key of the current item
106			*/
107			public function key()
108			{
109			$pageSize = $this->getDataProvider()->getPagination()->pageSize;
110
111			return $this->getCurrentPage() * $pageSize + $this->getCurrentIndex();
112			}
113
114			/**
115			* @return int
116			*/
117			public function getCurrentPage()
118			{
119			return $this->currentPage;
120			}
121
122			/**
123			* Moves the pointer to the next item in the list.
124			* This method is required by the Iterator interface.
125			*/
126			public function next()
127			{
128			$pageSize = $this->getDataProvider()->getPagination()->pageSize;
129			$this->currentIndex++;
130			if ($this->currentIndex >= $pageSize) {
131			$this->currentPage++;
132			$this->currentIndex = 0;
133			$this->loadPage();
134			}
135			}
136
137			/**
138			* Rewinds the iterator to the start of the list.
139			* This method is required by the Iterator interface.
140			*/
141			public function rewind()
142			{
143			$this->currentIndex = 0;
144			$this->currentPage = 0;
145			$this->loadPage();
146			}
147
148			/**
149			* Checks if the current position is valid or not.
150			* This method is required by the Iterator interface.
151			* @return boolean true if this index is valid
152			*/
153			public function valid()
154			{
155			return $this->key() < $this->getTotalItemCount();
156			}
157
158			/**
159			* Gets the total number of items in the dataProvider.
160			* This method is required by the Countable interface.
161			* @return integer the total number of items
162			*/
163			public function count()
164			{
165			return $this->getTotalItemCount();
166			}
167
168			/**
169			* Loads a page of items
170			* @return array the items from the next page of results
171			*/
172			protected function loadPage()
173			{
174			$this->getDataProvider()->getPagination()->setPage($this->getCurrentPage());
175			$this->getDataProvider()->prepare(true);
176
177			return $this->items = $this->getDataProvider()->getModels();
178			}
179
180			/**
181			* @param $index
182			*
183			* @return array
184			*/
185			protected function getItem($index)
186			{
187			if (!isset($this->items[$index])) {
188			throw new OutOfBoundsException('Index is not allowed be limits of current page');
189			}
190			if (!empty($this->itemMapper)) {
191			return $this->itemMapper->map($this->items[$index], $index);
192			}
193
194			return $this->items[$index];
195			}
196			}
197

2amigos / yii2-exportable-widget

DataProviderIterator::next() A last analyzed 2018-03-21 16:31 UTC

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DataProviderIterator::next() A
last analyzed 2018-03-21 16:31 UTC