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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| 48 | class ContentListItemController extends AbstractController |
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| 49 | { |
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| 50 | private $contentListItemRepository; |
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| 51 | |||
| 52 | private $entityManager; |
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| 53 | |||
| 54 | public function __construct(ContentListItemRepositoryInterface $contentListItemRepository, EntityManagerInterface $entityManager) |
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| 59 | |||
| 60 | /** |
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| 61 | * List all items of content list. |
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| 62 | * |
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| 63 | * @Operation( |
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| 64 | * tags={"content list"}, |
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| 65 | * summary="Lists content list items", |
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| 66 | * @SWG\Parameter( |
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| 67 | * name="sticky", |
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| 68 | * in="query", |
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| 69 | * description="Keep item on top of the list", |
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| 70 | * required=false, |
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| 71 | * type="boolean" |
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| 72 | * ), |
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| 73 | * @SWG\Parameter( |
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| 74 | * name="sorting", |
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| 75 | * in="query", |
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| 76 | * description="example: [updatedAt]=asc|desc", |
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| 77 | * required=false, |
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| 78 | * type="string" |
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| 79 | * ), |
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| 80 | * @SWG\Response( |
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| 81 | * response="200", |
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| 82 | * description="Returned on success.", |
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| 83 | * @SWG\Schema( |
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| 84 | * type="array", |
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| 85 | * @SWG\Items(ref=@Model(type=\SWP\Bundle\CoreBundle\Model\ContentListItem::class, groups={"api"})) |
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| 86 | * ) |
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| 87 | * ), |
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| 88 | * @SWG\Response( |
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| 89 | * response="404", |
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| 90 | * description="Content list item not found." |
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| 91 | * ), |
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| 92 | * @SWG\Response( |
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| 93 | * response="500", |
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| 94 | * description="Unexpected error." |
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| 95 | * ) |
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| 96 | * ) |
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| 97 | * |
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| 98 | * @Route("/api/{version}/content/lists/{id}/items/", options={"expose"=true}, defaults={"version"="v2"}, methods={"GET"}, name="swp_api_core_list_items", requirements={"id"="\d+"}) |
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| 99 | */ |
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| 100 | public function listAction(Request $request, int $id): ResourcesListResponseInterface |
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| 130 | |||
| 131 | /** |
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| 132 | * @Operation( |
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| 133 | * tags={"content list"}, |
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| 134 | * summary="Get single content list item", |
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| 135 | * @SWG\Response( |
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| 136 | * response="200", |
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| 137 | * description="Returned on success.", |
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| 138 | * @Model(type=\SWP\Bundle\CoreBundle\Model\ContentListItem::class, groups={"api"}) |
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| 139 | * ) |
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| 140 | * ) |
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| 141 | * |
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| 142 | * @Route("/api/{version}/content/lists/{listId}/items/{id}", options={"expose"=true}, defaults={"version"="v2"}, methods={"GET"}, name="swp_api_core_show_lists_item", requirements={"id"="\d+"}) |
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| 143 | */ |
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| 144 | public function getAction($listId, $id) |
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| 148 | |||
| 149 | /** |
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| 150 | * @Operation( |
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| 151 | * tags={"content list"}, |
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| 152 | * summary="Update single content list item", |
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| 153 | * @SWG\Parameter( |
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| 154 | * name="body", |
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| 155 | * in="body", |
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| 156 | * @SWG\Schema( |
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| 157 | * ref=@Model(type=ContentListItemType::class) |
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| 158 | * ) |
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| 159 | * ), |
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| 160 | * @SWG\Response( |
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| 161 | * response="200", |
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| 162 | * description="Returned on success.", |
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| 163 | * @Model(type=\SWP\Bundle\CoreBundle\Model\ContentListItem::class, groups={"api"}) |
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| 164 | * ), |
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| 165 | * @SWG\Response( |
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| 166 | * response="400", |
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| 167 | * description="Returned when not valid data." |
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| 168 | * ), |
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| 169 | * @SWG\Response( |
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| 170 | * response="404", |
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| 171 | * description="Returned when not found." |
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| 172 | * ) |
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| 173 | * ) |
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| 174 | * |
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| 175 | * @Route("/api/{version}/content/lists/{listId}/items/{id}", options={"expose"=true}, defaults={"version"="v2"}, methods={"PATCH"}, name="swp_api_core_update_lists_item", requirements={"id"="\d+", "listId"="\d+"}) |
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| 176 | */ |
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| 177 | View Code Duplication | public function updateAction(Request $request, FormFactoryInterface $formFactory, $listId, $id): SingleResourceResponseInterface |
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| 197 | |||
| 198 | /** |
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| 199 | * Tips: |
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| 200 | * - position "-1" will place element at end of list. |
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| 201 | * - make sure that "updated_at" value is filled with value fetched from list. |
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| 202 | * |
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| 203 | * Possible actions: move, add, delete |
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| 204 | * |
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| 205 | * @Operation( |
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| 206 | * tags={"content list"}, |
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| 207 | * summary="Update many content list items", |
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| 208 | * @SWG\Parameter( |
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| 209 | * name="body", |
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| 210 | * in="body", |
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| 211 | * @SWG\Schema( |
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| 212 | * ref=@Model(type=ContentListItemsType::class) |
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| 213 | * ) |
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| 214 | * ), |
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| 215 | * @SWG\Response( |
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| 216 | * response="200", |
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| 217 | * description="Returned on success.", |
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| 218 | * @Model(type=\SWP\Bundle\CoreBundle\Model\ContentList::class, groups={"api"}) |
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| 219 | * ), |
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| 220 | * @SWG\Response( |
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| 221 | * response="400", |
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| 222 | * description="Returned when not valid data." |
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| 223 | * ), |
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| 224 | * @SWG\Response( |
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| 225 | * response="404", |
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| 226 | * description="Returned when not found." |
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| 227 | * ) |
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| 228 | * ) |
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| 229 | * |
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| 230 | * @Route("/api/{version}/content/lists/{listId}/items/", options={"expose"=true}, defaults={"version"="v2"}, methods={"PATCH"}, name="swp_api_core_batch_update_lists_item", requirements={"listId"="\d+"}) |
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| 231 | */ |
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| 232 | public function batchUpdateAction( |
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| 309 | |||
| 310 | View Code Duplication | private function findByContentOr404($listId, $contentId): ContentListItemInterface |
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| 324 | |||
| 325 | View Code Duplication | private function findOr404($listId, $id): ContentListItemInterface |
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| 339 | } |
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| 340 |
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.