DocumentController::mainAction() - Code Metrics - Inspection of "Client sided paging" - kitodo/kitodo-presentation - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#878)

by Beatrycze

created 2023-01-30 13:00 UTC

DocumentController::mainAction() B

↳ Parent: DocumentController

Complexity

Conditions	9
Paths	17

Size

Total Lines	77
Code Lines	46

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	9
eloc	46
c	1
b	0
f	0
nc	17
nop	0
dl	0
loc	77
rs	7.6226

How to fix Long Method

<?php

/**
 * (c) Kitodo. Key to digital objects e.V. <[email protected]>
 *
 * This file is part of the Kitodo and TYPO3 projects.
 *
 * @license GNU General Public License version 3 or later.
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

namespace Kitodo\Dlf\Controller;

use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\MathUtility;

/**
 * Provide document JSON for client side access
 *
 * @package TYPO3
 * @subpackage dlf
 * @access public
 */
class DocumentController extends AbstractController
{
   /**
     * The main method of the PlugIn
     *
     * @access public
     *
     * @param string $content: The PlugIn content
     * @param array $conf: The PlugIn configuration
     *
     * @return string The content that is displayed on the website
     */
    public function mainAction()
    {
        // Load current document.
        $this->loadDocument($this->requestData);
        if (
            $this->document === null
            || $this->document->getDoc() === null
            || $this->document->getDoc()->numPages < 1
        ) {
            // Quit without doing anything if required variables are not set.
            return;
        } else {
            if (!empty($this->requestData['logicalPage'])) {
                $this->requestData['page'] = $this->document->getDoc()->getPhysicalPage($this->requestData['logicalPage']);
                // The logical page parameter should not appear again
                unset($this->requestData['logicalPage']);
            }
            // Set default values if not set.
            // $this->requestData['page'] may be integer or string (physical structure @ID)
            if ((int) $this->requestData['page'] > 0 || empty($this->requestData['page'])) {
                $this->requestData['page'] = MathUtility::forceIntegerInRange((int) $this->requestData['page'], 1, $this->document->getDoc()->numPages, 1);
            } else {
                $this->requestData['page'] = array_search($this->requestData['page'], $this->document->getDoc()->physicalStructure);
            }
            $this->requestData['double'] = MathUtility::forceIntegerInRange($this->requestData['double'], 0, 1, 0);
        }

        $doc = $this->document->getDoc();


        if (!empty($this->settings['targetPidMetadata'])) {
            $metadataUrl = $this->uriBuilder
                ->reset()
                ->setTargetPageUid((int) $this->settings['targetPidMetadata'])
                ->setCreateAbsoluteUri(true)
                ->setArguments([
                    'tx_dlf' => [
                        'id' => $this->requestData['id'],
                    ],
                ])
                ->build();
        }

        $imageFileGroups = array_reverse(GeneralUtility::trimExplode(',', $this->extConf['fileGrpImages']));
        $fulltextFileGroups = GeneralUtility::trimExplode(',', $this->extConf['fileGrpFulltext']);
        $config = [
            'forceAbsoluteUrl' => !empty($this->settings['forceAbsoluteUrl']),
            'proxyFileGroups' => !empty($this->settings['useInternalProxy'])
                ? array_merge($imageFileGroups, $fulltextFileGroups)
                : [],
        ];
        $tx_dlf_loaded = [
            'state' => [
                'documentId' => $this->requestData['id'],
                'page' => $this->requestData['page'],
                'simultaneousPages' => (int) $this->requestData['double'] + 1,
            ],
            'urlTemplate' => $this->getUrlTemplate(),
            'metadataUrl' => $metadataUrl,

            'fileGroups' => [
                'images' => $imageFileGroups,
                'fulltext' => $fulltextFileGroups,
                'download' => GeneralUtility::trimExplode(',', $this->extConf['fileGrpDownload']),
            ],
            'document' => $this->document->getDoc()->toArray($this->uriBuilder, $config),
        ];

        $docConfiguration = '
            window.addEventListener("DOMContentLoaded", function() {
                const tx_dlf_loaded = ' . json_encode($tx_dlf_loaded) . ';
                window.dispatchEvent(new CustomEvent("tx-dlf-documentLoaded", {
                    detail: {
                        docController: new dlfController(tx_dlf_loaded)
                    }
                }));
            });';

        $this->view->assign('docConfiguration', $docConfiguration);
    }

    /**
     * Get URL template with the following placeholders:
     *
     * * `PAGE_NO` (for value of `tx_dlf[page]`)
     * * `DOUBLE_PAGE` (for value of `tx_dlf[double]`)
     * * `PAGE_GRID` (for value of `tx_dlf[pagegrid]`)
     *
     * @return string
     */
    protected function getUrlTemplate()
    {
        // Should work for route enhancers like this:
        //
        //   routeEnhancers:
        //     KitodoWorkview:
        //     type: Plugin
        //     namespace: tx_dlf
        //     routePath: '/{page}/{double}'
        //     requirements:
        //       page: \d+
        //       double: 0|1

        $make = function ($page, $double, $pagegrid) {
            $result = $this->uriBuilder->reset()
                ->setTargetPageUid($GLOBALS['TSFE']->id)
                ->setCreateAbsoluteUri(!empty($this->settings['forceAbsoluteUrl']) ? true : false)
                ->setArguments([
                    'tx_dlf' => array_merge($this->requestData, [
                        'page' => $page,
                        'double' => $double,
                        'pagegrid' => $pagegrid
                    ]),
                ])
                ->build();

            $cHashIdx = strpos($result, '&cHash=');
            if ($cHashIdx !== false) {
                $result = substr($result, 0, $cHashIdx);
            }

            return $result;
        };

        // Generate two URLs that differ in tx_dlf[page], tx_dlf[double] and tx_dlf[highlight].
        // We don't know the order of these parameters, so use the values for matching.
        $a = $make(2, 1, 0);
        $b = $make(3, 0, 1);

        $lastIdx = 0;
        $result = '';
        for ($i = 0, $len = strlen($a); $i < $len; $i++) {
            if ($a[$i] === $b[$i]) {
                continue;
            }

            $result .= substr($a, $lastIdx, $i - $lastIdx);
            $lastIdx = $i + 1;

            if ($a[$i] === '2') {
                $placeholder = 'PAGE_NO';
            } else if ($a[$i] === '1') {
                $placeholder = 'DOUBLE_PAGE';
            } else {
                $placeholder = 'PAGE_GRID';
            }

            $result .= $placeholder;
        }
        $result .= substr($a, $lastIdx);

        return $result;
    }

}


1			<?php
2
3			/**
4			* (c) Kitodo. Key to digital objects e.V. <[email protected]>
5			*
6			* This file is part of the Kitodo and TYPO3 projects.
7			*
8			* @license GNU General Public License version 3 or later.
9			* For the full copyright and license information, please read the
10			* LICENSE.txt file that was distributed with this source code.
11			*/
12
13			namespace Kitodo\Dlf\Controller;
14
15			use TYPO3\CMS\Core\Utility\GeneralUtility;
16			use TYPO3\CMS\Core\Utility\MathUtility;
17
18			/**
19			* Provide document JSON for client side access
20			*
21			* @package TYPO3
22			* @subpackage dlf
23			* @access public
24			*/
25			class DocumentController extends AbstractController
26			{
27			/**
28			* The main method of the PlugIn
29			*
30			* @access public
31			*
32			* @param string $content: The PlugIn content
33			* @param array $conf: The PlugIn configuration
34			*
35			* @return string The content that is displayed on the website
36			*/
37			public function mainAction()
38			{
39			// Load current document.
40			$this->loadDocument($this->requestData);
41			if (
42			$this->document === null
43			\|\| $this->document->getDoc() === null
44			\|\| $this->document->getDoc()->numPages < 1
45			) {
46			// Quit without doing anything if required variables are not set.
47			return;
48			} else {
49			if (!empty($this->requestData['logicalPage'])) {
50			$this->requestData['page'] = $this->document->getDoc()->getPhysicalPage($this->requestData['logicalPage']);
51			// The logical page parameter should not appear again
52			unset($this->requestData['logicalPage']);
53			}
54			// Set default values if not set.
55			// $this->requestData['page'] may be integer or string (physical structure @ID)
56			if ((int) $this->requestData['page'] > 0 \|\| empty($this->requestData['page'])) {
57			$this->requestData['page'] = MathUtility::forceIntegerInRange((int) $this->requestData['page'], 1, $this->document->getDoc()->numPages, 1);
58			} else {
59			$this->requestData['page'] = array_search($this->requestData['page'], $this->document->getDoc()->physicalStructure);
60			}
61			$this->requestData['double'] = MathUtility::forceIntegerInRange($this->requestData['double'], 0, 1, 0);
62			}
63
64			$doc = $this->document->getDoc();
			0 ignored issues – show Unused Code introduced 2022-12-07 11:50 UTC by Report Bug Copy Issue Report The assignment to `$doc` is dead and can be removed. Loading history...
65
66			if (!empty($this->settings['targetPidMetadata'])) {
67			$metadataUrl = $this->uriBuilder
68			->reset()
69			->setTargetPageUid((int) $this->settings['targetPidMetadata'])
70			->setCreateAbsoluteUri(true)
71			->setArguments([
72			'tx_dlf' => [
73			'id' => $this->requestData['id'],
74			],
75			])
76			->build();
77			}
78
79			$imageFileGroups = array_reverse(GeneralUtility::trimExplode(',', $this->extConf['fileGrpImages']));
80			$fulltextFileGroups = GeneralUtility::trimExplode(',', $this->extConf['fileGrpFulltext']);
81			$config = [
82			'forceAbsoluteUrl' => !empty($this->settings['forceAbsoluteUrl']),
83			'proxyFileGroups' => !empty($this->settings['useInternalProxy'])
84			? array_merge($imageFileGroups, $fulltextFileGroups)
85			: [],
86			];
87			$tx_dlf_loaded = [
88			'state' => [
89			'documentId' => $this->requestData['id'],
90			'page' => $this->requestData['page'],
91			'simultaneousPages' => (int) $this->requestData['double'] + 1,
92			],
93			'urlTemplate' => $this->getUrlTemplate(),
94			'metadataUrl' => $metadataUrl,
			0 ignored issues – show Comprehensibility Best Practice introduced 2022-12-07 11:50 UTC by Report Bug Copy Issue Report The variable `$metadataUrl` does not seem to be defined for all execution paths leading up to this point. Loading history...
95			'fileGroups' => [
96			'images' => $imageFileGroups,
97			'fulltext' => $fulltextFileGroups,
98			'download' => GeneralUtility::trimExplode(',', $this->extConf['fileGrpDownload']),
99			],
100			'document' => $this->document->getDoc()->toArray($this->uriBuilder, $config),
101			];
102
103			$docConfiguration = '
104			window.addEventListener("DOMContentLoaded", function() {
105			const tx_dlf_loaded = ' . json_encode($tx_dlf_loaded) . ';
106			window.dispatchEvent(new CustomEvent("tx-dlf-documentLoaded", {
107			detail: {
108			docController: new dlfController(tx_dlf_loaded)
109			}
110			}));
111			});';
112
113			$this->view->assign('docConfiguration', $docConfiguration);
114			}
115
116			/**
117			* Get URL template with the following placeholders:
118			*
119			* * `PAGE_NO` (for value of `tx_dlf[page]`)
120			* * `DOUBLE_PAGE` (for value of `tx_dlf[double]`)
121			* * `PAGE_GRID` (for value of `tx_dlf[pagegrid]`)
122			*
123			* @return string
124			*/
125			protected function getUrlTemplate()
126			{
127			// Should work for route enhancers like this:
128			//
129			// routeEnhancers:
130			// KitodoWorkview:
131			// type: Plugin
132			// namespace: tx_dlf
133			// routePath: '/{page}/{double}'
134			// requirements:
135			// page: \d+
136			// double: 0\|1
137
138			$make = function ($page, $double, $pagegrid) {
139			$result = $this->uriBuilder->reset()
140			->setTargetPageUid($GLOBALS['TSFE']->id)
141			->setCreateAbsoluteUri(!empty($this->settings['forceAbsoluteUrl']) ? true : false)
142			->setArguments([
143			'tx_dlf' => array_merge($this->requestData, [
144			'page' => $page,
145			'double' => $double,
146			'pagegrid' => $pagegrid
147			]),
148			])
149			->build();
150
151			$cHashIdx = strpos($result, '&cHash=');
152			if ($cHashIdx !== false) {
153			$result = substr($result, 0, $cHashIdx);
154			}
155
156			return $result;
157			};
158
159			// Generate two URLs that differ in tx_dlf[page], tx_dlf[double] and tx_dlf[highlight].
160			// We don't know the order of these parameters, so use the values for matching.
161			$a = $make(2, 1, 0);
162			$b = $make(3, 0, 1);
163
164			$lastIdx = 0;
165			$result = '';
166			for ($i = 0, $len = strlen($a); $i < $len; $i++) {
167			if ($a[$i] === $b[$i]) {
168			continue;
169			}
170
171			$result .= substr($a, $lastIdx, $i - $lastIdx);
172			$lastIdx = $i + 1;
173
174			if ($a[$i] === '2') {
175			$placeholder = 'PAGE_NO';
176			} else if ($a[$i] === '1') {
177			$placeholder = 'DOUBLE_PAGE';
178			} else {
179			$placeholder = 'PAGE_GRID';
180			}
181
182			$result .= $placeholder;
183			}
184			$result .= substr($a, $lastIdx);
185
186			return $result;
187			}
188
189			}
190

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Pull Request — master (#878)

DocumentController::mainAction() B

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

kitodo / kitodo-presentation

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Pull Request — master (#878)

DocumentController::mainAction() B

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

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