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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| 31 | class DocumentModel extends SchemaModel implements ModelInterface |
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| 32 | { |
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| 33 | /** |
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| 34 | * @var string |
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| 35 | */ |
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| 36 | protected $description; |
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| 37 | /** |
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| 38 | * @var string[] |
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| 39 | */ |
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| 40 | protected $fieldTitles; |
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| 41 | /** |
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| 42 | * @var string[] |
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| 43 | */ |
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| 44 | protected $fieldDescriptions; |
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| 45 | /** |
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| 46 | * @var string[] |
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| 47 | */ |
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| 48 | protected $requiredFields = array(); |
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| 49 | /** |
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| 50 | * @var string[] |
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| 51 | */ |
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| 52 | protected $searchableFields = array(); |
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| 53 | /** |
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| 54 | * @var DocumentRepository |
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| 55 | */ |
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| 56 | private $repository; |
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| 57 | /** |
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| 58 | * @var Visitor |
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| 59 | */ |
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| 60 | private $visitor; |
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| 61 | /** |
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| 62 | * @var array |
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| 63 | */ |
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| 64 | protected $notModifiableOriginRecords; |
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| 65 | /** |
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| 66 | * @var integer |
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| 67 | */ |
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| 68 | private $paginationDefaultLimit; |
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| 69 | |||
| 70 | /** |
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| 71 | * @var boolean |
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| 72 | */ |
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| 73 | protected $filterByAuthUser; |
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| 74 | |||
| 75 | /** |
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| 76 | * @var string |
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| 77 | */ |
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| 78 | protected $filterByAuthField; |
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| 79 | |||
| 80 | /** |
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| 81 | * @var RqlTranslator |
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| 82 | */ |
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| 83 | protected $translator; |
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| 84 | |||
| 85 | /** |
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| 86 | * @param Visitor $visitor rql query visitor |
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| 87 | * @param RqlTranslator $translator Translator for query modification |
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| 88 | * @param array $notModifiableOriginRecords strings with not modifiable recordOrigin values |
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| 89 | * @param integer $paginationDefaultLimit amount of data records to be returned when in pagination context |
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| 90 | */ |
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| 91 | public function __construct( |
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| 92 | Visitor $visitor, |
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| 93 | RqlTranslator $translator, |
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| 94 | $notModifiableOriginRecords, |
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| 95 | $paginationDefaultLimit |
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| 96 | ) { |
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| 97 | parent::__construct(); |
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| 98 | $this->visitor = $visitor; |
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| 99 | $this->translator = $translator; |
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| 100 | $this->notModifiableOriginRecords = $notModifiableOriginRecords; |
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| 101 | $this->paginationDefaultLimit = (int) $paginationDefaultLimit; |
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| 102 | } |
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| 103 | |||
| 104 | /** |
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| 105 | * get repository instance |
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| 106 | * |
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| 107 | * @return DocumentRepository |
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| 108 | */ |
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| 109 | public function getRepository() |
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| 110 | { |
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| 111 | return $this->repository; |
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| 112 | } |
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| 113 | |||
| 114 | /** |
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| 115 | * create new app model |
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| 116 | * |
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| 117 | * @param DocumentRepository $repository Repository of countries |
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| 118 | * |
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| 119 | * @return \Graviton\RestBundle\Model\DocumentModel |
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| 120 | */ |
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| 121 | public function setRepository(DocumentRepository $repository) |
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| 122 | { |
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| 123 | $this->repository = $repository; |
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| 124 | |||
| 125 | return $this; |
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| 126 | } |
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| 127 | |||
| 128 | /** |
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| 129 | * {@inheritDoc} |
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| 130 | * |
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| 131 | * @param Request $request The request object |
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| 132 | * @param SecurityUser $user SecurityUser Object |
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| 133 | * @param SchemaDocument $schema Schema model used for search fields extraction |
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| 134 | * |
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| 135 | * @return array |
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| 136 | */ |
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| 137 | public function findAll(Request $request, SecurityUser $user = null, SchemaDocument $schema = null) |
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| 138 | { |
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| 139 | $pageNumber = $request->query->get('page', 1); |
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| 140 | $numberPerPage = (int) $request->query->get('perPage', $this->getDefaultLimit()); |
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| 141 | $startAt = ($pageNumber - 1) * $numberPerPage; |
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| 142 | |||
| 143 | /** @var \Doctrine\ODM\MongoDB\Query\Builder $queryBuilder */ |
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| 144 | $queryBuilder = $this->repository |
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| 145 | ->createQueryBuilder(); |
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| 146 | |||
| 147 | if ($this->filterByAuthUser && $user && $user->hasRole(SecurityUser::ROLE_USER)) { |
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| 148 | $queryBuilder->field($this->filterByAuthField)->equals($user->getUser()->getId()); |
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| 149 | } |
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| 150 | |||
| 151 | |||
| 152 | $searchableFields = $this->getSearchableFields(); |
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| 153 | if (!is_null($schema)) { |
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| 154 | $searchableFields = $schema->getSearchable(); |
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| 155 | } |
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| 156 | |||
| 157 | // *** do we have an RQL expression, do we need to filter data? |
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| 158 | if ($request->attributes->get('hasRql', false)) { |
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| 159 | $queryBuilder = $this->doRqlQuery( |
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| 160 | $queryBuilder, |
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| 161 | $this->translator->translateSearchQuery( |
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| 162 | $request->attributes->get('rqlQuery'), |
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| 163 | $searchableFields |
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| 164 | ) |
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| 165 | ); |
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| 166 | } else { |
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| 167 | // @todo [lapistano]: seems the offset is missing for this query. |
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| 168 | /** @var \Doctrine\ODM\MongoDB\Query\Builder $qb */ |
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| 169 | $queryBuilder->find($this->repository->getDocumentName()); |
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| 170 | } |
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| 171 | |||
| 172 | // define offset and limit |
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| 173 | if (!array_key_exists('skip', $queryBuilder->getQuery()->getQuery())) { |
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| 174 | $queryBuilder->skip($startAt); |
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| 175 | } else { |
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| 176 | $startAt = (int) $queryBuilder->getQuery()->getQuery()['skip']; |
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| 177 | } |
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| 178 | |||
| 179 | if (!array_key_exists('limit', $queryBuilder->getQuery()->getQuery())) { |
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| 180 | $queryBuilder->limit($numberPerPage); |
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| 181 | } else { |
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| 182 | $numberPerPage = (int) $queryBuilder->getQuery()->getQuery()['limit']; |
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| 183 | } |
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| 184 | |||
| 185 | // Limit can not be negative nor null. |
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| 186 | if ($numberPerPage < 1) { |
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| 187 | throw new RqlSyntaxErrorException('negative or null limit in rql'); |
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| 188 | } |
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| 189 | |||
| 190 | /** |
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| 191 | * add a default sort on id if none was specified earlier |
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| 192 | * |
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| 193 | * not specifying something to sort on leads to very weird cases when fetching references |
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| 194 | */ |
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| 195 | if (!array_key_exists('sort', $queryBuilder->getQuery()->getQuery())) { |
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| 196 | $queryBuilder->sort('_id'); |
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| 197 | } |
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| 198 | |||
| 199 | // run query |
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| 200 | $query = $queryBuilder->getQuery(); |
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| 201 | $records = array_values($query->execute()->toArray()); |
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| 202 | |||
| 203 | $totalCount = $query->count(); |
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| 204 | $numPages = (int) ceil($totalCount / $numberPerPage); |
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| 205 | $page = (int) ceil($startAt / $numberPerPage) + 1; |
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| 206 | if ($numPages > 1) { |
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| 207 | $request->attributes->set('paging', true); |
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| 208 | $request->attributes->set('page', $page); |
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| 209 | $request->attributes->set('numPages', $numPages); |
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| 210 | $request->attributes->set('startAt', $startAt); |
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| 211 | $request->attributes->set('perPage', $numberPerPage); |
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| 212 | $request->attributes->set('totalCount', $totalCount); |
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| 213 | } |
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| 214 | |||
| 215 | return $records; |
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| 216 | } |
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| 217 | |||
| 218 | /** |
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| 219 | * @param \Graviton\I18nBundle\Document\Translatable $entity entity to insert |
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| 220 | * |
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| 221 | * @return Object |
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| 222 | */ |
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| 223 | View Code Duplication | public function insertRecord($entity) |
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| 232 | |||
| 233 | /** |
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| 234 | * @param string $documentId id of entity to find |
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| 235 | * |
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| 236 | * @return Object |
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| 237 | */ |
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| 238 | public function find($documentId) |
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| 239 | { |
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| 240 | return $this->repository->find($documentId); |
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| 241 | } |
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| 242 | |||
| 243 | /** |
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| 244 | * {@inheritDoc} |
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| 245 | * |
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| 246 | * @param string $documentId id of entity to update |
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| 247 | * @param Object $entity new entity |
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| 248 | * |
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| 249 | * @return Object |
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| 250 | */ |
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| 251 | View Code Duplication | public function updateRecord($documentId, $entity) |
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| 252 | { |
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| 253 | $manager = $this->repository->getDocumentManager(); |
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| 254 | // In both cases the document attribute named originRecord must not be 'core' |
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| 255 | $this->checkIfOriginRecord($entity); |
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| 256 | $this->checkIfOriginRecord($this->find($documentId)); |
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| 257 | $entity = $manager->merge($entity); |
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| 258 | $manager->flush(); |
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| 259 | |||
| 260 | return $entity; |
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| 261 | } |
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| 262 | |||
| 263 | /** |
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| 264 | * {@inheritDoc} |
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| 265 | * |
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| 266 | * @param string $documentId id of entity to delete |
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| 267 | * |
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| 268 | * @return null|Object |
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| 269 | */ |
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| 270 | public function deleteRecord($documentId) |
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| 271 | { |
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| 272 | $manager = $this->repository->getDocumentManager(); |
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| 273 | $entity = $this->find($documentId); |
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| 274 | |||
| 275 | $return = $entity; |
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| 276 | if ($entity) { |
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| 277 | $this->checkIfOriginRecord($entity); |
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| 278 | $manager->remove($entity); |
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| 279 | $manager->flush(); |
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| 280 | $return = null; |
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| 281 | } |
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| 282 | |||
| 283 | return $return; |
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| 284 | } |
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| 285 | |||
| 286 | /** |
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| 287 | * get classname of entity |
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| 288 | * |
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| 289 | * @return string |
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| 290 | */ |
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| 291 | public function getEntityClass() |
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| 292 | { |
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| 293 | return $this->repository->getDocumentName(); |
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| 294 | } |
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| 295 | |||
| 296 | /** |
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| 297 | * {@inheritDoc} |
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| 298 | * |
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| 299 | * Currently this is being used to build the route id used for redirecting |
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| 300 | * to newly made documents. It might benefit from having a different name |
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| 301 | * for those purposes. |
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| 302 | * |
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| 303 | * We might use a convention based mapping here: |
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| 304 | * Graviton\CoreBundle\Document\App -> mongodb://graviton_core |
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| 305 | * Graviton\CoreBundle\Entity\Table -> mysql://graviton_core |
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| 306 | * |
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| 307 | * @todo implement this in a more convention based manner |
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| 308 | * |
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| 309 | * @return string |
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| 310 | */ |
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| 311 | public function getConnectionName() |
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| 317 | |||
| 318 | /** |
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| 319 | * Does the actual query using the RQL Bundle. |
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| 320 | * |
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| 321 | * @param Builder $queryBuilder Doctrine ODM QueryBuilder |
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| 322 | * @param Query $query query from parser |
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| 323 | * |
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| 324 | * @return array |
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| 325 | */ |
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| 326 | protected function doRqlQuery($queryBuilder, Query $query) |
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| 332 | |||
| 333 | /** |
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| 334 | * Checks the recordOrigin attribute of a record and will throw an exception if value is not allowed |
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| 335 | * |
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| 336 | * @param Object $record record |
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| 337 | * |
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| 338 | * @return void |
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| 339 | */ |
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| 340 | 12 | protected function checkIfOriginRecord($record) |
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| 355 | |||
| 356 | /** |
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| 357 | * Determines the configured amount fo data records to be returned in pagination context. |
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| 358 | * |
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| 359 | * @return int |
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| 360 | */ |
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| 361 | private function getDefaultLimit() |
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| 369 | |||
| 370 | /** |
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| 371 | * @param Boolean $active active |
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| 372 | * @param String $field field |
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| 373 | * @return void |
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| 374 | */ |
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| 375 | public function setFilterByAuthUser($active, $field) |
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| 380 | } |
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| 381 |
This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.