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:
Complex classes like PostVote often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PostVote, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 8 | class PostVote extends Game implements ServiceManagerAwareInterface |
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| 9 | { |
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| 10 | protected $postvoteMapper; |
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| 11 | protected $postvoteformMapper; |
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| 12 | protected $postVotePostMapper; |
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| 13 | protected $postVoteVoteMapper; |
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| 14 | protected $postVoteCommentMapper; |
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| 15 | protected $postVotePostElementMapper; |
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| 16 | |||
| 17 | public function getGameEntity() |
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| 21 | |||
| 22 | public function getPath($post) |
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| 36 | |||
| 37 | public function getMediaUrl($post) |
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| 44 | |||
| 45 | /** |
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| 46 | * @param boolean $entry |
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| 47 | */ |
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| 48 | public function checkPost($entry) |
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| 62 | |||
| 63 | public function uploadFileToPost($data, $game, $user) |
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| 64 | { |
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| 65 | $result = false; |
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| 66 | $entry = $this->findLastActiveEntry($game, $user); |
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| 67 | |||
| 68 | if (!$entry) { |
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| 69 | return '0'; |
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| 70 | } |
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| 71 | |||
| 72 | $post = $this->checkPost($entry); |
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| 73 | $path = $this->getPath($post); |
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| 74 | $media_url = $this->getMediaUrl($post); |
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| 75 | |||
| 76 | $key = key($data); |
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| 77 | $uploadFile = $this->uploadFile($path, $data[$key]); |
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| 78 | |||
| 79 | if ($uploadFile) { |
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| 80 | $postElement = $this->getPostVotePostElementMapper()->findOneBy(array('post' => $post, 'name' => $key)); |
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| 81 | if (! $postElement) { |
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| 82 | $postElement = new \PlaygroundGame\Entity\PostVotePostElement(); |
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| 83 | } |
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| 84 | $postElement->setName($key); |
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| 85 | $postElement->setPosition(0); |
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| 86 | $postElement->setValue($media_url.$uploadFile); |
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| 87 | $postElement->setPost($post); |
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| 88 | $postElement = $this->getPostVotePostElementMapper()->insert($postElement); |
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| 89 | |||
| 90 | $result = $media_url.$uploadFile; |
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| 91 | } |
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| 92 | |||
| 93 | return $result; |
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| 94 | } |
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| 95 | |||
| 96 | public function deleteFilePosted($data, $game, $user) |
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| 121 | |||
| 122 | /** |
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| 123 | * |
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| 124 | * @param array $data |
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| 125 | * @return \PlaygroundGame\Entity\Game |
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| 126 | */ |
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| 127 | public function createPost(array $data, $game, $user, $form) |
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| 207 | |||
| 208 | /** |
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| 209 | * |
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| 210 | * @return \PlaygroundGame\Entity\Game |
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| 211 | */ |
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| 212 | public function confirmPost($game, $user) |
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| 213 | { |
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| 214 | $postvotePostMapper = $this->getPostVotePostMapper(); |
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| 215 | |||
| 216 | $entryMapper = $this->getEntryMapper(); |
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| 217 | $entry = $this->findLastActiveEntry($game, $user); |
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| 218 | |||
| 219 | if (!$entry) { |
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| 220 | return false; |
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| 221 | } |
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| 222 | |||
| 223 | $post = $postvotePostMapper->findOneBy(array('entry' => $entry)); |
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| 224 | |||
| 225 | if (! $post) { |
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| 226 | return false; |
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| 227 | } |
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| 228 | |||
| 229 | // The post is confirmed by user. I update the status and close the associated entry |
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| 230 | // Post are validated by default, unless pre-moderation is enable for the game |
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| 231 | if ($game->getModerationType()) { |
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| 232 | $post->setStatus(1); |
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| 233 | } else { |
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| 234 | $post->setStatus(2); |
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| 235 | } |
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| 236 | |||
| 237 | $postvotePostMapper->update($post); |
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| 238 | |||
| 239 | $entry->setActive(0); |
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| 240 | $entryMapper->update($entry); |
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| 241 | |||
| 242 | $this->getEventManager()->trigger(__FUNCTION__ . '.post', $this, array( |
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| 243 | 'user' => $user, |
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| 244 | 'game' => $game, |
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| 245 | 'entry' => $entry, |
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| 246 | 'post' => $post |
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| 247 | )); |
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| 248 | |||
| 249 | // sending a mail after Post creation should be optional |
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| 250 | // if ($user) { |
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| 251 | // // send mail for participation |
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| 252 | // $this->sendGameMail($game, $user, $post, 'postvote'); |
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| 253 | // } |
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| 254 | |||
| 255 | return $post; |
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| 256 | } |
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| 257 | |||
| 258 | /** |
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| 259 | * |
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| 260 | * This service is ready for all types of games |
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| 261 | * |
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| 262 | * @param array $data |
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| 263 | * @return \PlaygroundGame\Entity\Game |
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| 264 | */ |
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| 265 | View Code Duplication | public function createForm(array $data, $game, $form = null) |
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| 266 | { |
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| 267 | $title =''; |
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| 268 | $description = ''; |
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| 269 | |||
| 270 | if ($data['form_jsonified']) { |
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| 271 | $jsonPV = json_decode($data['form_jsonified']); |
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| 272 | foreach ($jsonPV as $element) { |
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| 273 | if ($element->form_properties) { |
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| 274 | $attributes = $element->form_properties[0]; |
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| 275 | $title = $attributes->title; |
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| 276 | $description = $attributes->description; |
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| 277 | |||
| 278 | break; |
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| 279 | } |
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| 280 | } |
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| 281 | } |
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| 282 | if (!$form) { |
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| 283 | $form = new \PlaygroundGame\Entity\PostVoteForm(); |
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| 284 | } |
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| 285 | $form->setPostvote($game); |
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| 286 | $form->setTitle($title); |
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| 287 | $form->setDescription($description); |
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| 288 | $form->setForm($data['form_jsonified']); |
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| 289 | $form->setFormTemplate($data['form_template']); |
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| 290 | |||
| 291 | $form = $this->getPostVoteFormMapper()->insert($form); |
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| 292 | |||
| 293 | return $form; |
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| 294 | } |
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| 295 | |||
| 296 | public function findArrayOfValidatedPosts($game, $user, $filter, $search = '') |
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| 297 | { |
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| 298 | $em = $this->getServiceManager()->get('doctrine.entitymanager.orm_default'); |
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| 299 | $qb = $em->createQueryBuilder(); |
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| 300 | $and = $qb->expr()->andx(); |
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| 301 | |||
| 302 | $and->add($qb->expr()->eq('p.status', 2)); |
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| 303 | |||
| 304 | $and->add($qb->expr()->eq('g.id', ':game')); |
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| 305 | $qb->setParameter('game', $game); |
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| 306 | |||
| 307 | if ($search != '') { |
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| 308 | $and->add( |
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| 309 | $qb->expr()->orX( |
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| 310 | $qb->expr()->like('u.username', $qb->expr()->literal('%:search%')), |
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| 311 | $qb->expr()->like('u.firstname', $qb->expr()->literal('%:search%')), |
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| 312 | $qb->expr()->like('u.lastname', $qb->expr()->literal('%:search%')), |
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| 313 | $qb->expr()->like('e.value', $qb->expr()->literal('%:search%')), |
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| 314 | $qb->expr()->isNull('g.publicationDate') |
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| 315 | ) |
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| 316 | ); |
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| 317 | $qb->setParameter('search', $search); |
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| 318 | } |
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| 319 | |||
| 320 | if ('push' == $filter) { |
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| 321 | $and->add( |
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| 322 | $qb->expr()->andX( |
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| 323 | $qb->expr()->eq('p.pushed', 1) |
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| 324 | ) |
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| 325 | ); |
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| 326 | } |
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| 327 | |||
| 328 | $qb->select('p, COUNT(DISTINCT v) AS votesCount, COUNT(distinct av) AS voted') |
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| 329 | ->from('PlaygroundGame\Entity\PostVotePost', 'p') |
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| 330 | ->innerJoin('p.postvote', 'g') |
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| 331 | ->leftJoin('p.user', 'u') |
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| 332 | ->innerJoin('p.postElements', 'e') |
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| 333 | ->leftJoin('p.votes', 'v') |
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| 334 | ->leftJoin('p.votes', 'av', 'WITH', 'av.user = :user') |
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| 335 | ->where($and) |
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| 336 | ->groupBy('p.id'); |
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| 337 | |||
| 338 | if($user){ |
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| 339 | $qb->setParameter('user', $user); |
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| 340 | } else { |
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| 341 | $qb->setParameter('user', null); |
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| 342 | } |
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| 343 | |||
| 344 | switch ($filter) { |
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| 345 | case 'random': |
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| 346 | $qb->orderBy('e.value', 'ASC'); |
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| 347 | break; |
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| 348 | case 'vote': |
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| 349 | $qb->orderBy('votesCount', 'DESC'); |
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| 350 | break; |
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| 351 | case 'date': |
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| 352 | $qb->orderBy('p.createdAt', 'DESC'); |
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| 353 | break; |
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| 354 | case 'push': |
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| 355 | $qb->orderBy('p.createdAt', 'DESC'); |
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| 356 | break; |
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| 357 | case 'id': |
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| 358 | $qb->orderBy('p.createdAt', 'ASC'); |
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| 359 | break; |
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| 360 | default: |
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| 361 | $qb->orderBy('p.createdAt', 'ASC'); |
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| 362 | break; |
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| 363 | } |
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| 364 | |||
| 365 | $query = $qb->getQuery(); |
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| 366 | |||
| 367 | $posts = $query->getResult(); |
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| 368 | $arrayPosts = array(); |
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| 369 | $i=0; |
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| 370 | foreach ($posts as $postRaw) { |
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| 371 | $data = array(); |
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| 372 | $post = $postRaw[0]; |
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| 373 | if ($post) { |
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| 374 | foreach ($post->getPostElements() as $element) { |
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| 375 | $data[$element->getPosition()] = $element->getValue(); |
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| 376 | } |
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| 377 | $arrayPosts[$i]['post'] = $post; |
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| 378 | $arrayPosts[$i]['data'] = $data; |
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| 379 | $arrayPosts[$i]['votes'] = count($post->getVotes()); |
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| 380 | $arrayPosts[$i]['voted'] = $postRaw['voted']; |
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| 381 | $arrayPosts[$i]['id'] = $post->getId(); |
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| 382 | $arrayPosts[$i]['user'] = $post->getUser(); |
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| 383 | $arrayPosts[$i]['createdAt'] = $post->getCreatedAt(); |
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| 384 | $i++; |
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| 385 | } |
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| 386 | } |
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| 387 | |||
| 388 | return $arrayPosts; |
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| 389 | } |
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| 390 | |||
| 391 | public function addVote($user, $ipAddress, $post) |
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| 392 | { |
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| 393 | $postvoteVoteMapper = $this->getPostVoteVoteMapper(); |
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| 394 | $postId = $post->getId(); |
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| 395 | |||
| 396 | if ($user) { |
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| 397 | $entryUser = count($postvoteVoteMapper->findBy(array('user' => $user, 'post' =>$postId))); |
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| 398 | } else { |
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| 399 | $entryUser =count($postvoteVoteMapper->findBy(array('ip' => $ipAddress, 'post' =>$postId))); |
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| 400 | } |
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| 401 | if ($entryUser && $entryUser > 0) { |
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| 402 | |||
| 403 | return false; |
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| 404 | } else { |
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| 405 | $vote = new \PlaygroundGame\Entity\PostVoteVote(); |
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| 406 | $vote->setPost($post); |
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| 407 | $vote->setIp($ipAddress); |
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| 408 | $vote->setNote(1); |
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| 409 | $vote->setPostvote($post->getPostvote()); |
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| 410 | if ($user) { |
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| 411 | $vote->setUser($user); |
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| 412 | } |
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| 413 | |||
| 414 | $postvoteVoteMapper->insert($vote); |
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| 415 | $game = $post->getPostvote(); |
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| 416 | $this->getEventManager()->trigger( |
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| 417 | __FUNCTION__ .'.post', |
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| 418 | $this, |
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| 419 | array('user' => $user, 'game' => $game, 'post' => $post, 'vote' => $vote) |
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| 420 | ); |
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| 421 | |||
| 422 | return true; |
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| 423 | } |
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| 424 | } |
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| 425 | |||
| 426 | public function addComment($user, $ipAddress, $post, $message = '') |
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| 451 | |||
| 452 | |||
| 453 | public function addShare($post) |
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| 465 | /** |
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| 466 | * Get all comments for this game |
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| 467 | */ |
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| 468 | public function getCommentsForPostvote($postvote) |
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| 475 | |||
| 476 | public function removeComment($user, $ipAddress, $messageId) |
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| 493 | |||
| 494 | public function getEntriesHeader($game) |
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| 510 | |||
| 511 | View Code Duplication | public function getEntriesQuery($game) |
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| 549 | |||
| 550 | /** |
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| 551 | * getGameEntries : All entries of a game |
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| 552 | * |
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| 553 | * @return Array of PlaygroundGame\Entity\Game |
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| 554 | */ |
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| 555 | public function getGameEntries($header, $entries, $game) |
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| 583 | |||
| 584 | public function getPostVoteFormMapper() |
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| 585 | { |
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| 586 | if (null === $this->postvoteformMapper) { |
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| 587 | $this->postvoteformMapper = $this->getServiceManager()->get('playgroundgame_postvoteform_mapper'); |
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| 588 | } |
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| 589 | |||
| 590 | return $this->postvoteformMapper; |
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| 591 | } |
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| 592 | |||
| 593 | public function setPostVoteFormMapper($postvoteformMapper) |
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| 599 | |||
| 600 | public function getPostVotePostElementMapper() |
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| 610 | |||
| 611 | public function setPostVotePostElementMapper($postVotePostElementMapper) |
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| 617 | |||
| 618 | public function getPostVoteVoteMapper() |
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| 626 | |||
| 627 | public function setPostVoteVoteMapper($postVoteVoteMapper) |
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| 633 | |||
| 634 | public function getPostVoteCommentMapper() |
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| 642 | |||
| 643 | public function setPostVoteCommentMapper($postVoteCommentMapper) |
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| 649 | |||
| 650 | public function getPostVotePostMapper() |
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| 658 | |||
| 659 | public function setPostVotePostMapper($postVotePostMapper) |
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| 665 | |||
| 666 | public function getPostVoteMapper() |
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| 674 | |||
| 675 | /** |
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| 676 | * setQuizQuestionMapper |
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| 677 | * |
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| 678 | * @return PostVote |
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| 679 | */ |
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| 680 | public function setPostVoteMapper($postvoteMapper) |
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| 686 | } |
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| 687 |
Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.