Cc13Convert::getSequence() - Code Metrics - Inspection of "Course: Add Expor/Import IMC CC 1.3 from course ma..." - chamilo/chamilo-lms - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#6921)

unknown

created 2025-10-19 12:59 UTC

Cc13Convert::getSequence() D

↳ Parent: Cc13Convert

Complexity

Conditions	21
Paths	7

Size

Total Lines	114
Code Lines	77

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	21
eloc	77
c	1
b	0
f	0
nc	7
nop	5
dl	0
loc	114
rs	4.1666

How to fix Long Method Complexity

<?php

/* For licensing terms, see /license.txt */

declare(strict_types=1);

namespace Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export;

use Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export\Interfaces\CcIItem;
use Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export\Interfaces\CcIManifest;
use Chamilo\CourseBundle\Component\CourseCopy\Course;
use Exception;
use InvalidArgumentException;
use RuntimeException;

use const DIRECTORY_SEPARATOR;

class Cc13Convert
{
    /**
     * Converts a course object into a CC13 package and writes it to disk.
     *
     * @param Course $objCourse the Course object is "augmented" with info from the api_get_course_info() function, into the "$objCourse->info" array attribute
     *
     * @return bool
     *
     * @throws Exception
     */
    public static function convert(string $packagedir, string $outdir, Course $objCourse)
    {
        $dir = realpath($packagedir);
        if (empty($dir)) {
            throw new InvalidArgumentException('Directory does not exist!');
        }
        $odir = realpath($outdir);
        if (empty($odir)) {
            throw new InvalidArgumentException('Directory does not exist!');
        }

        if (!empty($objCourse)) {
            // Initialize the manifest metadata class
            $meta = new CcMetadataManifest();

            // Package metadata
            $metageneral = new CcMetadataGeneral();
            $metageneral->setLanguage($objCourse->info['language']);
            $metageneral->setTitle($objCourse->info['title'], $objCourse->info['language']);
            $metageneral->setDescription('', $objCourse->info['language']);
            $metageneral->setCatalog('category');
            $metageneral->setEntry($objCourse->info['categoryName']);
            $meta->addMetadataGeneral($metageneral);

            // Create the manifest
            $manifest = new CcManifest();

            $manifest->addMetadataManifest($meta);

            $organization = null;

            // Get the course structure - this will be transformed into organization
            // Step 1 - Get the list and order of sections/topics

            $count = 1;
            $sections = [];
            $resources = $objCourse->resources;

            // We check the quiz sections
            if (isset($resources['quiz'])) {
                $quizSections = self::getItemSections(
                    $resources['quiz'], // array of quiz IDs generated by the course backup process
                    'quiz',
                    $count,
                    $objCourse->info['code'],
                    $resources[RESOURCE_QUIZQUESTION] // selected question IDs from the course export form
                );
                $sections = array_merge($sections, $quizSections);
            }

            // We check the document sections
            if (isset($resources['document'])) {
                $documentSections = self::getItemSections(
                    $resources['document'],
                    'document',
                    $count,
                    $objCourse->info['code']
                );
                $sections = array_merge($sections, $documentSections);
            }

            // We check the wiki sections
            if (isset($resources['wiki'])) {
                $wikiSections = self::getItemSections(
                    $resources['wiki'],
                    'wiki',
                    $count,
                    $objCourse->info['code']
                );
                $sections = array_merge($sections, $wikiSections);
            }

            // We check the forum sections
            if (isset($resources['forum'])) {
                $forumSections = self::getItemSections(
                    $resources['forum'],
                    'forum',
                    $count,
                    $objCourse->info['code'],
                    $resources['Forum_Category']
                );
                $sections = array_merge($sections, $forumSections);
            }

            // We check the link sections
            if (isset($resources['link'])) {
                $linkSections = self::getItemSections(
                    $resources['link'],
                    'link',
                    $count,
                    $objCourse->info['code'],
                    $resources['Link_Category']
                );
                $sections = array_merge($sections, $linkSections);
            }

            // organization title
            $organization = new CcOrganization();
            foreach ($sections as $sectionid => $values) {
                $item = new CcItem();
                $item->title = $values[0];
                self::processSequence($item, $manifest, $values[1], $dir, $odir);
                $organization->addItem($item);
            }
            $manifest->putNodes();

            if (!empty($organization)) {
                $manifest->addNewOrganization($organization);
            }

            $manifestpath = $outdir.DIRECTORY_SEPARATOR.'imsmanifest.xml';

            return $manifest->saveTo($manifestpath);
        }

        return false;
    }

    /**
     * Return array of type $sections[1]['quiz', [sequence]] where sequence is the result of a call to getSequence().
     *
     * @param string $courseCode     The course code litteral
     * @param ?array $itmesExtraData If defined, represents the items IDs selected in the course export form
     *
     * @return array
     *
     * @reference self::getSequence()
     */
    protected static function getItemSections(array $itemData, string $itemType, int &$count, string $courseCode, ?array $itmesExtraData = null)
    {
        $sections = [];

        switch ($itemType) {
            case 'quiz':
            case 'document':
            case 'wiki':
                $convertType = $itemType;
                if ('wiki' == $itemType) {
                    $convertType = 'Page';
                }
                $sectionid = $count;
                $sectiontitle = ucfirst($itemType);
                $sequence = self::getSequence($itemData, 0, $convertType, $courseCode, $itmesExtraData);
                $sections[$sectionid] = [$sectiontitle, $sequence];
                $count++;

                break;

            case 'link':
                $links = self::getSequence($itemData, null, $itemType);
                foreach ($links as $categoryId => $sequence) {
                    $sectionid = $count;
                    if (isset($itmesExtraData[$categoryId])) {
                        $sectiontitle = $itmesExtraData[$categoryId]->title;
                    } else {
                        $sectiontitle = 'General';
                    }
                    $sections[$sectionid] = [$sectiontitle, $sequence];
                    $count++;
                }

                break;

            case 'forum':
                if (isset($itmesExtraData)) {
                    foreach ($itmesExtraData as $fcategory) {
                        if (isset($fcategory->obj)) {
                            $objCategory = $fcategory->obj;
                            $sectionid = $count;
                            $sectiontitle = $objCategory->cat_title;
                            $sequence = self::getSequence($itemData, $objCategory->iid, $itemType);
                            $sections[$sectionid] = [$sectiontitle, $sequence];
                            $count++;
                        }
                    }
                }

                break;
        }

        return $sections;
    }

    /**
     * Return array of items by category and item ID ("test" level, not "question" level) with details like title,
     * comment (description), type, questions, max_attempt, etc.
     *
     * @param array $objItems Array of item objects as returned by the course backup code
     *
     * @return array|mixed
     */
    protected static function getSequence(array $objItems, ?int $categoryId = null, ?string $itemType = null, ?string $coursecode = null, ?array $itemQuestions = null)
    {
        $sequences = [];

        switch ($itemType) {
            case 'quiz':
                $sequence = [];
                foreach ($objItems as $objItem) {
                    if (0 === $categoryId) {
                        $questions = [];
                        foreach ($objItem->obj->question_ids as $questionId) {
                            if (isset($itemQuestions[$questionId])) {
                                $questions[$questionId] = $itemQuestions[$questionId];
                            }
                        }
                        // As weird as this may sound, the constructors for the different object types (found in
                        // src/CourseBundle/Component/CourseCopy/Resources/[objecttype].php) store the object property
                        // in the "obj" attribute. Old code...
                        // So here we recover properties from the quiz object, including questions (array built above).
                        $sequence[$categoryId][$objItem->obj->iid] = [
                            'title' => $objItem->obj->title,
                            'comment' => $objItem->obj->description,
                            'cc_type' => 'quiz',
                            'source_id' => $objItem->obj->iid,
                            'questions' => $questions,
                            'max_attempt' => $objItem->obj->max_attempt,
                            'expired_time' => $objItem->obj->expired_time,
                            'pass_percentage' => $objItem->obj->pass_percentage,
                            'random_answers' => $objItem->obj->random_answers,
                            'course_code' => $coursecode,
                        ];
                    }
                }
                $sequences = $sequence[$categoryId];

                break;

            case 'document':
                $sequence = [];
                foreach ($objItems as $objItem) {
                    if (0 === $categoryId) {
                        $sequence[$categoryId][$objItem->source_id] = [
                            'title' => $objItem->title,
                            'comment' => $objItem->comment,
                            'cc_type' => ('folder' == $objItem->file_type ? 'folder' : 'resource'),
                            'source_id' => $objItem->source_id,
                            'path' => $objItem->path,
                            'file_type' => $objItem->file_type,
                            'course_code' => $coursecode,
                        ];
                    }
                }
                $sequences = $sequence[$categoryId];

                break;

            case 'forum':
                foreach ($objItems as $objItem) {
                    if ($categoryId == $objItem->obj->forum_category) {
                        $sequence[$categoryId][$objItem->obj->forum_id] = [
                            'title' => $objItem->obj->forum_title,
                            'comment' => $objItem->obj->forum_comment,
                            'cc_type' => 'forum',
                            'source_id' => $objItem->obj->iid,
                        ];
                    }
                }
                $sequences = $sequence[$categoryId];


                break;

            case 'page':
                foreach ($objItems as $objItem) {
                    if (0 === $categoryId) {
                        $sequence[$categoryId][$objItem->page_id] = [
                            'title' => $objItem->title,
                            'comment' => $objItem->content,
                            'cc_type' => 'page',
                            'source_id' => $objItem->page_id,
                            'reflink' => $objItem->reflink,
                        ];
                    }
                }
                $sequences = $sequence[$categoryId];

                break;

            case 'link':
                if (!isset($categoryId)) {
                    $categories = [];
                    foreach ($objItems as $objItem) {
                        $categories[$objItem->category_id] = self::getSequence($objItems, $objItem->category_id, $itemType);
                    }
                    $sequences = $categories;
                } else {
                    foreach ($objItems as $objItem) {
                        if ($categoryId == $objItem->category_id) {
                            $sequence[$categoryId][$objItem->source_id] = [
                                'title' => $objItem->title,
                                'comment' => $objItem->description,
                                'cc_type' => 'url',
                                'source_id' => $objItem->source_id,
                                'url' => $objItem->url,
                                'target' => $objItem->target,
                            ];
                        }
                    }
                    $sequences = $sequence[$categoryId];
                }

                break;
        }

        return $sequences;
    }

    /**
     * Process the different types of activities exported from the course.
     * When dealing with tests, the "sequence" provided here is a test, not a question.
     * For each sequence, call the corresponding CcConverter[Type] object instantiation method in export/src/converter/.
     */
    protected static function processSequence(CcIItem &$item, CcIManifest &$manifest, array $sequence, string $packageroot, string $outdir): void
    {
        if (!empty($sequence)) {
            foreach ($sequence as $seq) {
                $activity_type = ucfirst($seq['cc_type']);
                $activity_indentation = 0;
                $aitem = self::itemIndenter($item, $activity_indentation);
                $caller = "CcConverter{$activity_type}";
                if (class_exists($caller)) {
                    $obj = new $caller($aitem, $manifest, $packageroot, $outdir);
                    if (!$obj->convert($outdir, $seq)) {
                        throw new RuntimeException("failed to convert {$activity_type}");
                    }
                }
            }
        }
    }

    protected static function itemIndenter(CcIItem &$item, $level = 0)
    {
        $indent = (int) $level;
        $indent = $indent <= 0 ? 0 : $indent;
        $nprev = null;
        $nfirst = null;
        for ($pos = 0, $size = $indent; $pos < $size; $pos++) {
            $nitem = new CcItem();
            $nitem->title = '';
            if (empty($nfirst)) {
                $nfirst = $nitem;
            }
            if (!empty($nprev)) {
                $nprev->addChildItem($nitem);
            }
            $nprev = $nitem;
        }
        $result = $item;
        if (!empty($nfirst)) {
            $item->addChildItem($nfirst);
            $result = $nprev;
        }

        return $result;
    }
}


1			<?php
2
3			/* For licensing terms, see /license.txt */
4
5			declare(strict_types=1);
6
7			namespace Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export;
8
9			use Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export\Interfaces\CcIItem;
10			use Chamilo\CourseBundle\Component\CourseCopy\CommonCartridge\Export\Interfaces\CcIManifest;
11			use Chamilo\CourseBundle\Component\CourseCopy\Course;
12			use Exception;
13			use InvalidArgumentException;
14			use RuntimeException;
15
16			use const DIRECTORY_SEPARATOR;
17
18			class Cc13Convert
19			{
20			/**
21			* Converts a course object into a CC13 package and writes it to disk.
22			*
23			* @param Course $objCourse the Course object is "augmented" with info from the api_get_course_info() function, into the "$objCourse->info" array attribute
24			*
25			* @return bool
26			*
27			* @throws Exception
28			*/
29			public static function convert(string $packagedir, string $outdir, Course $objCourse)
30			{
31			$dir = realpath($packagedir);
32			if (empty($dir)) {
33			throw new InvalidArgumentException('Directory does not exist!');
34			}
35			$odir = realpath($outdir);
36			if (empty($odir)) {
37			throw new InvalidArgumentException('Directory does not exist!');
38			}
39
40			if (!empty($objCourse)) {
41			// Initialize the manifest metadata class
42			$meta = new CcMetadataManifest();
43
44			// Package metadata
45			$metageneral = new CcMetadataGeneral();
46			$metageneral->setLanguage($objCourse->info['language']);
47			$metageneral->setTitle($objCourse->info['title'], $objCourse->info['language']);
48			$metageneral->setDescription('', $objCourse->info['language']);
49			$metageneral->setCatalog('category');
50			$metageneral->setEntry($objCourse->info['categoryName']);
51			$meta->addMetadataGeneral($metageneral);
52
53			// Create the manifest
54			$manifest = new CcManifest();
55
56			$manifest->addMetadataManifest($meta);
57
58			$organization = null;
59
60			// Get the course structure - this will be transformed into organization
61			// Step 1 - Get the list and order of sections/topics
62
63			$count = 1;
64			$sections = [];
65			$resources = $objCourse->resources;
66
67			// We check the quiz sections
68			if (isset($resources['quiz'])) {
69			$quizSections = self::getItemSections(
70			$resources['quiz'], // array of quiz IDs generated by the course backup process
71			'quiz',
72			$count,
73			$objCourse->info['code'],
74			$resources[RESOURCE_QUIZQUESTION] // selected question IDs from the course export form
75			);
76			$sections = array_merge($sections, $quizSections);
77			}
78
79			// We check the document sections
80			if (isset($resources['document'])) {
81			$documentSections = self::getItemSections(
82			$resources['document'],
83			'document',
84			$count,
85			$objCourse->info['code']
86			);
87			$sections = array_merge($sections, $documentSections);
88			}
89
90			// We check the wiki sections
91			if (isset($resources['wiki'])) {
92			$wikiSections = self::getItemSections(
93			$resources['wiki'],
94			'wiki',
95			$count,
96			$objCourse->info['code']
97			);
98			$sections = array_merge($sections, $wikiSections);
99			}
100
101			// We check the forum sections
102			if (isset($resources['forum'])) {
103			$forumSections = self::getItemSections(
104			$resources['forum'],
105			'forum',
106			$count,
107			$objCourse->info['code'],
108			$resources['Forum_Category']
109			);
110			$sections = array_merge($sections, $forumSections);
111			}
112
113			// We check the link sections
114			if (isset($resources['link'])) {
115			$linkSections = self::getItemSections(
116			$resources['link'],
117			'link',
118			$count,
119			$objCourse->info['code'],
120			$resources['Link_Category']
121			);
122			$sections = array_merge($sections, $linkSections);
123			}
124
125			// organization title
126			$organization = new CcOrganization();
127			foreach ($sections as $sectionid => $values) {
128			$item = new CcItem();
129			$item->title = $values[0];
130			self::processSequence($item, $manifest, $values[1], $dir, $odir);
131			$organization->addItem($item);
132			}
133			$manifest->putNodes();
134
135			if (!empty($organization)) {
136			$manifest->addNewOrganization($organization);
137			}
138
139			$manifestpath = $outdir.DIRECTORY_SEPARATOR.'imsmanifest.xml';
140
141			return $manifest->saveTo($manifestpath);
142			}
143
144			return false;
145			}
146
147			/**
148			* Return array of type $sections[1]['quiz', [sequence]] where sequence is the result of a call to getSequence().
149			*
150			* @param string $courseCode The course code litteral
151			* @param ?array $itmesExtraData If defined, represents the items IDs selected in the course export form
152			*
153			* @return array
154			*
155			* @reference self::getSequence()
156			*/
157			protected static function getItemSections(array $itemData, string $itemType, int &$count, string $courseCode, ?array $itmesExtraData = null)
158			{
159			$sections = [];
160
161			switch ($itemType) {
162			case 'quiz':
163			case 'document':
164			case 'wiki':
165			$convertType = $itemType;
166			if ('wiki' == $itemType) {
167			$convertType = 'Page';
168			}
169			$sectionid = $count;
170			$sectiontitle = ucfirst($itemType);
171			$sequence = self::getSequence($itemData, 0, $convertType, $courseCode, $itmesExtraData);
172			$sections[$sectionid] = [$sectiontitle, $sequence];
173			$count++;
174
175			break;
176
177			case 'link':
178			$links = self::getSequence($itemData, null, $itemType);
179			foreach ($links as $categoryId => $sequence) {
180			$sectionid = $count;
181			if (isset($itmesExtraData[$categoryId])) {
182			$sectiontitle = $itmesExtraData[$categoryId]->title;
183			} else {
184			$sectiontitle = 'General';
185			}
186			$sections[$sectionid] = [$sectiontitle, $sequence];
187			$count++;
188			}
189
190			break;
191
192			case 'forum':
193			if (isset($itmesExtraData)) {
194			foreach ($itmesExtraData as $fcategory) {
195			if (isset($fcategory->obj)) {
196			$objCategory = $fcategory->obj;
197			$sectionid = $count;
198			$sectiontitle = $objCategory->cat_title;
199			$sequence = self::getSequence($itemData, $objCategory->iid, $itemType);
200			$sections[$sectionid] = [$sectiontitle, $sequence];
201			$count++;
202			}
203			}
204			}
205
206			break;
207			}
208
209			return $sections;
210			}
211
212			/**
213			* Return array of items by category and item ID ("test" level, not "question" level) with details like title,
214			* comment (description), type, questions, max_attempt, etc.
215			*
216			* @param array $objItems Array of item objects as returned by the course backup code
217			*
218			* @return array\|mixed
219			*/
220			protected static function getSequence(array $objItems, ?int $categoryId = null, ?string $itemType = null, ?string $coursecode = null, ?array $itemQuestions = null)
221			{
222			$sequences = [];
223
224			switch ($itemType) {
225			case 'quiz':
226			$sequence = [];
227			foreach ($objItems as $objItem) {
228			if (0 === $categoryId) {
229			$questions = [];
230			foreach ($objItem->obj->question_ids as $questionId) {
231			if (isset($itemQuestions[$questionId])) {
232			$questions[$questionId] = $itemQuestions[$questionId];
233			}
234			}
235			// As weird as this may sound, the constructors for the different object types (found in
236			// src/CourseBundle/Component/CourseCopy/Resources/[objecttype].php) store the object property
237			// in the "obj" attribute. Old code...
238			// So here we recover properties from the quiz object, including questions (array built above).
239			$sequence[$categoryId][$objItem->obj->iid] = [
240			'title' => $objItem->obj->title,
241			'comment' => $objItem->obj->description,
242			'cc_type' => 'quiz',
243			'source_id' => $objItem->obj->iid,
244			'questions' => $questions,
245			'max_attempt' => $objItem->obj->max_attempt,
246			'expired_time' => $objItem->obj->expired_time,
247			'pass_percentage' => $objItem->obj->pass_percentage,
248			'random_answers' => $objItem->obj->random_answers,
249			'course_code' => $coursecode,
250			];
251			}
252			}
253			$sequences = $sequence[$categoryId];
254
255			break;
256
257			case 'document':
258			$sequence = [];
259			foreach ($objItems as $objItem) {
260			if (0 === $categoryId) {
261			$sequence[$categoryId][$objItem->source_id] = [
262			'title' => $objItem->title,
263			'comment' => $objItem->comment,
264			'cc_type' => ('folder' == $objItem->file_type ? 'folder' : 'resource'),
265			'source_id' => $objItem->source_id,
266			'path' => $objItem->path,
267			'file_type' => $objItem->file_type,
268			'course_code' => $coursecode,
269			];
270			}
271			}
272			$sequences = $sequence[$categoryId];
273
274			break;
275
276			case 'forum':
277			foreach ($objItems as $objItem) {
278			if ($categoryId == $objItem->obj->forum_category) {
279			$sequence[$categoryId][$objItem->obj->forum_id] = [
280			'title' => $objItem->obj->forum_title,
281			'comment' => $objItem->obj->forum_comment,
282			'cc_type' => 'forum',
283			'source_id' => $objItem->obj->iid,
284			];
285			}
286			}
287			$sequences = $sequence[$categoryId];
			0 ignored issues – show Comprehensibility Best Practice introduced 2021-07-06 20:21 UTC by Report Bug Copy Issue Report The variable `$sequence` does not seem to be defined for all execution paths leading up to this point. Loading history...
288
289			break;
290
291			case 'page':
292			foreach ($objItems as $objItem) {
293			if (0 === $categoryId) {
294			$sequence[$categoryId][$objItem->page_id] = [
295			'title' => $objItem->title,
296			'comment' => $objItem->content,
297			'cc_type' => 'page',
298			'source_id' => $objItem->page_id,
299			'reflink' => $objItem->reflink,
300			];
301			}
302			}
303			$sequences = $sequence[$categoryId];
304
305			break;
306
307			case 'link':
308			if (!isset($categoryId)) {
309			$categories = [];
310			foreach ($objItems as $objItem) {
311			$categories[$objItem->category_id] = self::getSequence($objItems, $objItem->category_id, $itemType);
312			}
313			$sequences = $categories;
314			} else {
315			foreach ($objItems as $objItem) {
316			if ($categoryId == $objItem->category_id) {
317			$sequence[$categoryId][$objItem->source_id] = [
318			'title' => $objItem->title,
319			'comment' => $objItem->description,
320			'cc_type' => 'url',
321			'source_id' => $objItem->source_id,
322			'url' => $objItem->url,
323			'target' => $objItem->target,
324			];
325			}
326			}
327			$sequences = $sequence[$categoryId];
328			}
329
330			break;
331			}
332
333			return $sequences;
334			}
335
336			/**
337			* Process the different types of activities exported from the course.
338			* When dealing with tests, the "sequence" provided here is a test, not a question.
339			* For each sequence, call the corresponding CcConverter[Type] object instantiation method in export/src/converter/.
340			*/
341			protected static function processSequence(CcIItem &$item, CcIManifest &$manifest, array $sequence, string $packageroot, string $outdir): void
342			{
343			if (!empty($sequence)) {
344			foreach ($sequence as $seq) {
345			$activity_type = ucfirst($seq['cc_type']);
346			$activity_indentation = 0;
347			$aitem = self::itemIndenter($item, $activity_indentation);
348			$caller = "CcConverter{$activity_type}";
349			if (class_exists($caller)) {
350			$obj = new $caller($aitem, $manifest, $packageroot, $outdir);
351			if (!$obj->convert($outdir, $seq)) {
352			throw new RuntimeException("failed to convert {$activity_type}");
353			}
354			}
355			}
356			}
357			}
358
359			protected static function itemIndenter(CcIItem &$item, $level = 0)
360			{
361			$indent = (int) $level;
362			$indent = $indent <= 0 ? 0 : $indent;
363			$nprev = null;
364			$nfirst = null;
365			for ($pos = 0, $size = $indent; $pos < $size; $pos++) {
366			$nitem = new CcItem();
367			$nitem->title = '';
368			if (empty($nfirst)) {
369			$nfirst = $nitem;
370			}
371			if (!empty($nprev)) {
372			$nprev->addChildItem($nitem);
373			}
374			$nprev = $nitem;
375			}
376			$result = $item;
377			if (!empty($nfirst)) {
378			$item->addChildItem($nfirst);
379			$result = $nprev;
380			}
381
382			return $result;
383			}
384			}
385

chamilo / chamilo-lms

Pull Request — master (#6921)

Cc13Convert::getSequence() D

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