Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 15 | View Code Duplication | class User |
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1 ignored issue
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| 16 | { |
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| 17 | /** @var TwitchRequest */ |
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| 18 | protected $request; |
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| 19 | |||
| 20 | const URI_USER = 'users/'; |
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| 21 | const URI_USER_AUTH = 'user'; |
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| 22 | const URI_STREAMS_FOLLOWED_AUTH = 'streams/followed'; |
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| 23 | const URI_VIDEOS_FOLLOWED_AUTH = 'videos/followed'; |
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| 24 | |||
| 25 | public function __construct(TwitchRequest $request) |
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| 29 | |||
| 30 | /** |
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| 31 | * Get the specified user |
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| 32 | * @see https://github.com/justintv/Twitch-API/blob/master/v3_resources/users.md#get-usersuser |
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| 33 | * @param string $username |
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| 34 | * @return \stdClass |
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| 35 | * @throws TwitchException |
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| 36 | */ |
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| 37 | public function getUser($username) |
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| 41 | |||
| 42 | /** |
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| 43 | * Get the authenticated user |
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| 44 | * - requires scope 'user_read' |
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| 45 | * @see https://github.com/justintv/Twitch-API/blob/master/v3_resources/users.md#get-user |
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| 46 | * @param string $queryString |
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| 47 | * @return \stdClass |
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| 48 | * @throws TwitchException |
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| 49 | */ |
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| 50 | public function getUserAuth($queryString) |
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| 54 | |||
| 55 | /** |
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| 56 | * List the live streams that the authenticated user is following |
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| 57 | * - requires scope 'user_read' |
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| 58 | * @see https://github.com/justintv/Twitch-API/blob/master/v3_resources/users.md#get-streamsfollowed |
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| 59 | * @param string $queryString |
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| 60 | * @return \stdClass |
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| 61 | * @throws TwitchException |
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| 62 | */ |
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| 63 | public function getFollowedStreams($queryString) |
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| 67 | |||
| 68 | /** |
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| 69 | * List of videos that the authenticated user is following |
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| 70 | * - requires scope 'user_read' |
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| 71 | * @see https://github.com/justintv/Twitch-API/blob/master/v3_resources/users.md#get-videosfollowed |
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| 72 | * @param string $queryString |
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| 73 | * @return \stdClass |
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| 74 | * @throws TwitchException |
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| 75 | */ |
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| 76 | public function getFollowedVideos($queryString) |
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| 80 | } |
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| 81 |
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.