OverviewController - Code Metrics - Inspection of "Issue #2763495: Reduce duplication in controllers..." - FGM/mongodb - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 8.x-2.x ( 74e505...ec080d )

by Frédéric G.

created 2016-07-10 17:34 UTC

OverviewController A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	316
Duplicated Lines	11.71 %

Coupling/Cohesion

Components	1
Dependencies	5

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	37
loc	316
rs	10
wmc	19
lcom	1
cbo	5

10 Methods

Rating	Name	Duplication	Size	Complexity
A	build()	11	11	2
A	buildMainTable()	9	9	1
A	buildMainTableHeader()	0	12	1
A	buildMainTableRows()	0	23	2
A	create()	0	21	1
A	getEventLink()	0	21	3
B	getEventSource()	0	38	6
A	getRowData()	0	14	1
A	getTop()	0	4	1
A	__construct()	17	17	1

How to fix Duplicated Code

<?php

namespace Drupal\mongodb_watchdog\Controller;

use Drupal\Component\Utility\SafeMarkup;
use Drupal\Component\Utility\Unicode;
use Drupal\Core\Config\ImmutableConfig;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormBuilderInterface;
use Drupal\Core\Link;
use Drupal\Core\Logger\RfcLogLevel;
use Drupal\mongodb_watchdog\Event;
use Drupal\mongodb_watchdog\EventTemplate;
use Drupal\mongodb_watchdog\Form\OverviewFilterForm;
use Drupal\mongodb_watchdog\Logger;
use Psr\Log\LogLevel;
use Psr\Log\LoggerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * The controller for the logger overview page.
 */
class OverviewController extends ControllerBase {
  const EVENT_TYPE_MAP = [
    'typeMap' => [
      'array' => 'array',
      'document' => 'array',
      'root' => 'Drupal\mongodb_watchdog\Event',
    ],
  ];
  const SEVERITY_PREFIX = 'mongodb_watchdog__severity_';
  const SEVERITY_CLASSES = [
    RfcLogLevel::DEBUG => self::SEVERITY_PREFIX . LogLevel::DEBUG,
    RfcLogLevel::INFO => self::SEVERITY_PREFIX . LogLevel::INFO,
    RfcLogLevel::NOTICE => self::SEVERITY_PREFIX . LogLevel::NOTICE,
    RfcLogLevel::WARNING => self::SEVERITY_PREFIX . LogLevel::WARNING,
    RfcLogLevel::ERROR => self::SEVERITY_PREFIX . LogLevel::ERROR,
    RfcLogLevel::CRITICAL => self::SEVERITY_PREFIX . LogLevel::CRITICAL,
    RfcLogLevel::ALERT => self::SEVERITY_PREFIX . LogLevel::ALERT,
    RfcLogLevel::EMERGENCY => self::SEVERITY_PREFIX . LogLevel::EMERGENCY,
  ];

  /**
   * The core date.formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * The form builder service.
   *
   * @var \Drupal\Core\Form\FormBuilderInterface
   */
  protected $formBuilder;

  /**
   * The module handler service.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * The length of the disk path to DRUPAL_ROOT.
   *
   * @var int
   *
   * @see \Drupal\mongodb_watchdog\Controller\OverviewController::getEventSource()
   */
  protected $rootLength;

  /**
   * Controller constructor.
   *
   * @param \Psr\Log\LoggerInterface $logger
   *   The logger service, to log intervening events.
   * @param \Drupal\mongodb_watchdog\Logger $watchdog
   *   The MongoDB logger, to load stored events.
   * @param \Drupal\Core\Config\ImmutableConfig $config
   *   The module configuration.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   A module handler.
   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
   *   The form builder service.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The core date_formatter service.
   */
  public function __construct(

    LoggerInterface $logger,
    Logger $watchdog,
    ImmutableConfig $config,
    ModuleHandlerInterface $module_handler,
    FormBuilderInterface $form_builder,
    DateFormatterInterface $date_formatter) {
    parent::__construct($logger, $watchdog, $config);

    $this->dateFormatter = $date_formatter;
    $this->formBuilder = $form_builder;
    $this->moduleHandler = $module_handler;

    // Add terminal "/".
    $this->rootLength = Unicode::strlen(DRUPAL_ROOT);

  }

  /**
   * Controller.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request.
   *
   * @return array

   *   A render array.
   */
  public function build(Request $request) {

    $top = $this->getTop();

    $rows = $this->getRowData($request);
    $main = empty($rows)
      ? $this->buildEmpty(t('No event found in logger.'))
      : $this->buildMainTable($rows);

    $ret = $this->buildDefaults($main, $top);
    return $ret;
  }

  /**
   * Build the main table.
   *
   * @param \Drupal\mongodb_watchdog\EventTemplate[] $rows
   *   The template data.
   *
   * @return array<string,string|array>

   *   A render array for the main table.
   */
  protected function buildMainTable(array $rows) {

    $ret = [
      '#header' => $this->buildMainTableHeader(),
      '#rows' => $this->buildMainTableRows($rows),
      '#type' => 'table',
    ];

    return $ret;
  }

  /**
   * Build the main table header.
   *
   * @return \Drupal\Core\StringTranslation\TranslatableMarkup[]
   *   A table header array.
   */
  protected function buildMainTableHeader() {
    $header = [
      t('#'),
      t('Latest'),
      t('Severity'),
      t('Type'),
      t('Message'),
      t('Source'),
    ];

    return $header;
  }

  /**
   * Build the main table rows.
   *
   * @param \Drupal\mongodb_watchdog\EventTemplate[] $templates
   *   The event template data.
   *
   * @return array<string,array|string>
   *   A render array for a table.
   */
  protected function buildMainTableRows(array $templates) {
    $rows = [];
    $levels = RfcLogLevel::getLevels();

    foreach ($templates as $template) {
      $row = [];
      $row[] = $template->count;
      $row[] = $this->dateFormatter->format($template->changed, 'short');
      $row[] = [
        'class' => static::SEVERITY_CLASSES[$template->severity],
        'data' => $levels[$template->severity],
      ];
      $row[] = $template->type;
      $row[] = $this->getEventLink($template);
      $row[] = [
        'data' => $this->getEventSource($template, $row),
      ];

      $rows[] = $row;
    }

    return $rows;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    /** @var \Psr\Log\LoggerInterface $logger */
    $logger = $container->get('logger.channel.mongodb_watchdog');

    /** @var \Drupal\mongodb_watchdog\Logger $watchdog */
    $watchdog = $container->get('mongodb.logger');

    /** @var \Drupal\Core\Config\ImmutableConfig $config */
    $config = $container->get('config.factory')->get('mongodb_watchdog.settings');

    /** @var \Drupal\Core\Datetime\DateFormatterInterface $date_formatter */
    $date_formatter = $container->get('date.formatter');

    /** @var \Drupal\Core\Form\FormBuilderInterface $form_builder */
    $form_builder = $container->get('form_builder');

    /** @var \Drupal\Core\Extension\ModuleHandlerInterface $module_handler */
    $module_handler = $container->get('module_handler');

    return new static($logger, $watchdog, $config, $module_handler, $form_builder, $date_formatter);
  }

  /**
   * Build the link to the event or top report for the event template.
   *
   * @param \Drupal\mongodb_watchdog\EventTemplate $template
   *   The event template for which to buildl the link.
   *
   * @return string
   *   An internal link in string form.
   */
  protected function getEventLink(EventTemplate $template) {
    switch ($template->type) {
      case 'page not found':
        $cell = Link::createFromRoute(t('( Top 404 )'), 'mongodb_watchdog.reports.top404');
        break;

      case 'access denied':
        $cell = Link::createFromRoute(t('( Top 403 )'), 'mongodb_watchdog.reports.top403');
        break;

      // Limited-length message.
      default:
        $message = Unicode::truncate(strip_tags(SafeMarkup::format($template->message, [])), 56, TRUE, TRUE);
        $cell = Link::createFromRoute($message, 'mongodb_watchdog.reports.detail', [
          'eventTemplate' => $template->_id,
        ]);
        break;
    }

    return $cell;
  }

  /**
   * Get the location in source code where the event was logged.
   *
   * @param \Drupal\mongodb_watchdog\EventTemplate $template
   *   The template for which to find a source location.
   *
   * @return array

   *   A render array for the source location, possibly empty or wrong.
   */
  protected function getEventSource(EventTemplate $template) {
    $cell = ['#markup' => ''];

    if (in_array($template->type, TopController::TYPES)) {
      return $cell;
    }

    $event_collection = $this->watchdog->eventCollection($template->_id);
    $event = $event_collection->findOne([], static::EVENT_TYPE_MAP);
    if (!($event instanceof Event)) {
      return $cell;
    }

    $file = $event->variables['%file'] ?? '';
    if ($file && strncmp($file, DRUPAL_ROOT, $this->rootLength) === 0) {
      $hover = Unicode::substr($file, $this->rootLength + 1);
      $file = Unicode::truncate(basename($file), 30);
    }
    else {
      $hover = NULL;
    }

    $line = $event->variables['%line'] ?? NULL;
    $cell = [
      '#type' => 'html_tag',
      '#tag' => 'span',
      '#value' => "${file}#${line}",
    ];

    if ($hover) {
      $cell['#attributes'] = [
        'class' => 'mongodb_watchdog__code_path',
        'title' => $hover,
      ];
    }

    return $cell;
  }

  /**
   * Obtain the data from the logger.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The current request. Needed for paging.
   *
   * @return \Drupal\mongodb_watchdog\EventTemplate[]
   *   The data array.
   */
  protected function getRowData(Request $request) {
    $count = $this->watchdog->templatesCount();
    $page = $this->setupPager($request, $count);
    $skip = $page * $this->itemsPerPage;
    $limit = $this->itemsPerPage;

    $filters = $_SESSION[OverviewFilterForm::SESSION_KEY] ?? NULL;

    $rows = $this->watchdog
      ->templates($filters['type'] ?? [], $filters['severity'] ?? [], $skip, $limit)
      ->toArray();

    return $rows;
  }

  /**
   * Return the top element.
   *
   * @return array
   *   A render array for the top filter form.
   */
  protected function getTop() {
    $top = $this->formBuilder->getForm('Drupal\mongodb_watchdog\Form\OverviewFilterForm');
    return $top;
  }

}


1		<?php
2
3		namespace Drupal\mongodb_watchdog\Controller;
4
5		use Drupal\Component\Utility\SafeMarkup;
6		use Drupal\Component\Utility\Unicode;
7		use Drupal\Core\Config\ImmutableConfig;
8		use Drupal\Core\Datetime\DateFormatterInterface;
9		use Drupal\Core\Extension\ModuleHandlerInterface;
10		use Drupal\Core\Form\FormBuilderInterface;
11		use Drupal\Core\Link;
12		use Drupal\Core\Logger\RfcLogLevel;
13		use Drupal\mongodb_watchdog\Event;
14		use Drupal\mongodb_watchdog\EventTemplate;
15		use Drupal\mongodb_watchdog\Form\OverviewFilterForm;
16		use Drupal\mongodb_watchdog\Logger;
17		use Psr\Log\LogLevel;
18		use Psr\Log\LoggerInterface;
19		use Symfony\Component\DependencyInjection\ContainerInterface;
20		use Symfony\Component\HttpFoundation\Request;
21
22		/**
23		* The controller for the logger overview page.
24		*/
25		class OverviewController extends ControllerBase {
26		const EVENT_TYPE_MAP = [
27		'typeMap' => [
28		'array' => 'array',
29		'document' => 'array',
30		'root' => 'Drupal\mongodb_watchdog\Event',
31		],
32		];
33		const SEVERITY_PREFIX = 'mongodb_watchdog__severity_';
34		const SEVERITY_CLASSES = [
35		RfcLogLevel::DEBUG => self::SEVERITY_PREFIX . LogLevel::DEBUG,
36		RfcLogLevel::INFO => self::SEVERITY_PREFIX . LogLevel::INFO,
37		RfcLogLevel::NOTICE => self::SEVERITY_PREFIX . LogLevel::NOTICE,
38		RfcLogLevel::WARNING => self::SEVERITY_PREFIX . LogLevel::WARNING,
39		RfcLogLevel::ERROR => self::SEVERITY_PREFIX . LogLevel::ERROR,
40		RfcLogLevel::CRITICAL => self::SEVERITY_PREFIX . LogLevel::CRITICAL,
41		RfcLogLevel::ALERT => self::SEVERITY_PREFIX . LogLevel::ALERT,
42		RfcLogLevel::EMERGENCY => self::SEVERITY_PREFIX . LogLevel::EMERGENCY,
43		];
44
45		/**
46		* The core date.formatter service.
47		*
48		* @var \Drupal\Core\Datetime\DateFormatterInterface
49		*/
50		protected $dateFormatter;
51
52		/**
53		* The form builder service.
54		*
55		* @var \Drupal\Core\Form\FormBuilderInterface
56		*/
57		protected $formBuilder;
58
59		/**
60		* The module handler service.
61		*
62		* @var \Drupal\Core\Extension\ModuleHandlerInterface
63		*/
64		protected $moduleHandler;
65
66		/**
67		* The length of the disk path to DRUPAL_ROOT.
68		*
69		* @var int
70		*
71		* @see \Drupal\mongodb_watchdog\Controller\OverviewController::getEventSource()
72		*/
73		protected $rootLength;
74
75		/**
76		* Controller constructor.
77		*
78		* @param \Psr\Log\LoggerInterface $logger
79		* The logger service, to log intervening events.
80		* @param \Drupal\mongodb_watchdog\Logger $watchdog
81		* The MongoDB logger, to load stored events.
82		* @param \Drupal\Core\Config\ImmutableConfig $config
83		* The module configuration.
84		* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
85		* A module handler.
86		* @param \Drupal\Core\Form\FormBuilderInterface $form_builder
87		* The form builder service.
88		* @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
89		* The core date_formatter service.
90		*/
91	View Code Duplication	public function __construct(
		0 ignored issues – show Duplication introduced 2016-07-10 17:31 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
92		LoggerInterface $logger,
93		Logger $watchdog,
94		ImmutableConfig $config,
95		ModuleHandlerInterface $module_handler,
96		FormBuilderInterface $form_builder,
97		DateFormatterInterface $date_formatter) {
98		parent::__construct($logger, $watchdog, $config);
99
100		$this->dateFormatter = $date_formatter;
101		$this->formBuilder = $form_builder;
102		$this->moduleHandler = $module_handler;
103
104		// Add terminal "/".
105		$this->rootLength = Unicode::strlen(DRUPAL_ROOT);
106
107		}
108
109		/**
110		* Controller.
111		*
112		* @param \Symfony\Component\HttpFoundation\Request $request
113		* The current request.
114		*
115		* @return array
		0 ignored issues – show Documentation introduced 2016-07-02 17:46 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,string\|array>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
116		* A render array.
117		*/
118	View Code Duplication	public function build(Request $request) {
		0 ignored issues – show Duplication introduced 2016-07-10 11:03 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
119		$top = $this->getTop();
120
121		$rows = $this->getRowData($request);
122		$main = empty($rows)
123		? $this->buildEmpty(t('No event found in logger.'))
124		: $this->buildMainTable($rows);
125
126		$ret = $this->buildDefaults($main, $top);
127		return $ret;
128		}
129
130		/**
131		* Build the main table.
132		*
133		* @param \Drupal\mongodb_watchdog\EventTemplate[] $rows
134		* The template data.
135		*
136		* @return array<string,string\|array>
		0 ignored issues – show Documentation introduced 2016-07-10 15:04 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,\Drupal\Cor...g,array\|string>\|string>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
137		* A render array for the main table.
138		*/
139	View Code Duplication	protected function buildMainTable(array $rows) {
		0 ignored issues – show Duplication introduced 2016-07-10 11:03 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
140		$ret = [
141		'#header' => $this->buildMainTableHeader(),
142		'#rows' => $this->buildMainTableRows($rows),
143		'#type' => 'table',
144		];
145
146		return $ret;
147		}
148
149		/**
150		* Build the main table header.
151		*
152		* @return \Drupal\Core\StringTranslation\TranslatableMarkup[]
153		* A table header array.
154		*/
155		protected function buildMainTableHeader() {
156		$header = [
157		t('#'),
158		t('Latest'),
159		t('Severity'),
160		t('Type'),
161		t('Message'),
162		t('Source'),
163		];
164
165		return $header;
166		}
167
168		/**
169		* Build the main table rows.
170		*
171		* @param \Drupal\mongodb_watchdog\EventTemplate[] $templates
172		* The event template data.
173		*
174		* @return array<string,array\|string>
175		* A render array for a table.
176		*/
177		protected function buildMainTableRows(array $templates) {
178		$rows = [];
179		$levels = RfcLogLevel::getLevels();
180
181		foreach ($templates as $template) {
182		$row = [];
183		$row[] = $template->count;
184		$row[] = $this->dateFormatter->format($template->changed, 'short');
185		$row[] = [
186		'class' => static::SEVERITY_CLASSES[$template->severity],
187		'data' => $levels[$template->severity],
188		];
189		$row[] = $template->type;
190		$row[] = $this->getEventLink($template);
191		$row[] = [
192		'data' => $this->getEventSource($template, $row),
193		];
194
195		$rows[] = $row;
196		}
197
198		return $rows;
199		}
200
201		/**
202		* {@inheritdoc}
203		*/
204		public static function create(ContainerInterface $container) {
205		/** @var \Psr\Log\LoggerInterface $logger */
206		$logger = $container->get('logger.channel.mongodb_watchdog');
207
208		/** @var \Drupal\mongodb_watchdog\Logger $watchdog */
209		$watchdog = $container->get('mongodb.logger');
210
211		/** @var \Drupal\Core\Config\ImmutableConfig $config */
212		$config = $container->get('config.factory')->get('mongodb_watchdog.settings');
213
214		/** @var \Drupal\Core\Datetime\DateFormatterInterface $date_formatter */
215		$date_formatter = $container->get('date.formatter');
216
217		/** @var \Drupal\Core\Form\FormBuilderInterface $form_builder */
218		$form_builder = $container->get('form_builder');
219
220		/** @var \Drupal\Core\Extension\ModuleHandlerInterface $module_handler */
221		$module_handler = $container->get('module_handler');
222
223		return new static($logger, $watchdog, $config, $module_handler, $form_builder, $date_formatter);
224		}
225
226		/**
227		* Build the link to the event or top report for the event template.
228		*
229		* @param \Drupal\mongodb_watchdog\EventTemplate $template
230		* The event template for which to buildl the link.
231		*
232		* @return string
233		* An internal link in string form.
234		*/
235		protected function getEventLink(EventTemplate $template) {
236		switch ($template->type) {
237		case 'page not found':
238		$cell = Link::createFromRoute(t('( Top 404 )'), 'mongodb_watchdog.reports.top404');
239		break;
240
241		case 'access denied':
242		$cell = Link::createFromRoute(t('( Top 403 )'), 'mongodb_watchdog.reports.top403');
243		break;
244
245		// Limited-length message.
246		default:
247		$message = Unicode::truncate(strip_tags(SafeMarkup::format($template->message, [])), 56, TRUE, TRUE);
248		$cell = Link::createFromRoute($message, 'mongodb_watchdog.reports.detail', [
249		'eventTemplate' => $template->_id,
250		]);
251		break;
252		}
253
254		return $cell;
255		}
256
257		/**
258		* Get the location in source code where the event was logged.
259		*
260		* @param \Drupal\mongodb_watchdog\EventTemplate $template
261		* The template for which to find a source location.
262		*
263		* @return array
		0 ignored issues – show Documentation introduced 2016-07-10 11:03 UTC by Report Bug Copy Issue Report Consider making the return type a bit more specific; maybe use `array<string,string\|array>`. This check looks for the generic type `array` as a return type and suggests a more specific type. This type is inferred from the actual code. Loading history...
264		* A render array for the source location, possibly empty or wrong.
265		*/
266		protected function getEventSource(EventTemplate $template) {
267		$cell = ['#markup' => ''];
268
269		if (in_array($template->type, TopController::TYPES)) {
270		return $cell;
271		}
272
273		$event_collection = $this->watchdog->eventCollection($template->_id);
274		$event = $event_collection->findOne([], static::EVENT_TYPE_MAP);
275		if (!($event instanceof Event)) {
276		return $cell;
277		}
278
279		$file = $event->variables['%file'] ?? '';
280		if ($file && strncmp($file, DRUPAL_ROOT, $this->rootLength) === 0) {
281		$hover = Unicode::substr($file, $this->rootLength + 1);
282		$file = Unicode::truncate(basename($file), 30);
283		}
284		else {
285		$hover = NULL;
286		}
287
288		$line = $event->variables['%line'] ?? NULL;
289		$cell = [
290		'#type' => 'html_tag',
291		'#tag' => 'span',
292		'#value' => "${file}#${line}",
293		];
294
295		if ($hover) {
296		$cell['#attributes'] = [
297		'class' => 'mongodb_watchdog__code_path',
298		'title' => $hover,
299		];
300		}
301
302		return $cell;
303		}
304
305		/**
306		* Obtain the data from the logger.
307		*
308		* @param \Symfony\Component\HttpFoundation\Request $request
309		* The current request. Needed for paging.
310		*
311		* @return \Drupal\mongodb_watchdog\EventTemplate[]
312		* The data array.
313		*/
314		protected function getRowData(Request $request) {
315		$count = $this->watchdog->templatesCount();
316		$page = $this->setupPager($request, $count);
317		$skip = $page * $this->itemsPerPage;
318		$limit = $this->itemsPerPage;
319
320		$filters = $_SESSION[OverviewFilterForm::SESSION_KEY] ?? NULL;
321
322		$rows = $this->watchdog
323		->templates($filters['type'] ?? [], $filters['severity'] ?? [], $skip, $limit)
324		->toArray();
325
326		return $rows;
327		}
328
329		/**
330		* Return the top element.
331		*
332		* @return array
333		* A render array for the top filter form.
334		*/
335		protected function getTop() {
336		$top = $this->formBuilder->getForm('Drupal\mongodb_watchdog\Form\OverviewFilterForm');
337		return $top;
338		}
339
340		}
341

FGM / mongodb

Push — 8.x-2.x ( 74e505...ec080d )

OverviewController A

Complexity

Size/Duplication

Coupling/Cohesion

Importance

10 Methods

How to fix Duplicated Code

Duplicated Code

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