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<?php |
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namespace Wallabag\CoreBundle\Helper; |
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use Psr\Log\LoggerInterface; |
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use RulerZ\RulerZ; |
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use Wallabag\CoreBundle\Entity\Entry; |
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use Wallabag\CoreBundle\Entity\Tag; |
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use Wallabag\CoreBundle\Entity\TaggingRule; |
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use Wallabag\CoreBundle\Repository\EntryRepository; |
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use Wallabag\CoreBundle\Repository\TagRepository; |
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use Wallabag\UserBundle\Entity\User; |
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class RuleBasedTagger |
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{ |
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private $rulerz; |
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private $tagRepository; |
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private $entryRepository; |
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private $logger; |
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public function __construct(RulerZ $rulerz, TagRepository $tagRepository, EntryRepository $entryRepository, LoggerInterface $logger) |
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{ |
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$this->rulerz = $rulerz; |
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$this->tagRepository = $tagRepository; |
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$this->entryRepository = $entryRepository; |
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$this->logger = $logger; |
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} |
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/** |
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* Add tags from rules defined by the user. |
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* |
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* @param Entry $entry Entry to tag |
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*/ |
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public function tag(Entry $entry) |
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{ |
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$rules = $this->getRulesForUser($entry->getUser()); |
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$clonedEntry = $this->fixEntry($entry); |
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foreach ($rules as $rule) { |
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if (!$this->rulerz->satisfies($clonedEntry, $rule->getRule())) { |
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continue; |
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} |
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$this->logger->info('Matching rule.', [ |
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'rule' => $rule->getRule(), |
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'tags' => $rule->getTags(), |
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]); |
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foreach ($rule->getTags() as $label) { |
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$tag = $this->getTag($label); |
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$entry->addTag($tag); |
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} |
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} |
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} |
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/** |
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* Apply all the tagging rules defined by a user on its entries. |
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* |
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* @return array<Entry> A list of modified entries |
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*/ |
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public function tagAllForUser(User $user) |
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{ |
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$rules = $this->getRulesForUser($user); |
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$entriesToUpdate = []; |
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$tagsCache = []; |
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$entries = $this->entryRepository |
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->getBuilderForAllByUser($user->getId()) |
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->getQuery() |
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->getResult(); |
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foreach ($entries as $entry) { |
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$clonedEntry = $this->fixEntry($entry); |
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foreach ($rules as $rule) { |
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if (!$this->rulerz->satisfies($clonedEntry, $rule->getRule())) { |
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continue; |
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} |
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foreach ($rule->getTags() as $label) { |
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// avoid new tag duplicate by manually caching them |
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if (!isset($tagsCache[$label])) { |
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$tagsCache[$label] = $this->getTag($label); |
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} |
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$tag = $tagsCache[$label]; |
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$entry->addTag($tag); |
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$entriesToUpdate[] = $entry; |
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} |
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} |
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} |
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return $entriesToUpdate; |
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} |
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/** |
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* Fetch a tag. |
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* |
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* @param string $label The tag's label |
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* |
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* @return Tag |
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*/ |
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private function getTag($label) |
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{ |
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$label = mb_convert_case($label, \MB_CASE_LOWER); |
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$tag = $this->tagRepository->findOneByLabel($label); |
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if (!$tag) { |
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$tag = new Tag(); |
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$tag->setLabel($label); |
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} |
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return $tag; |
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} |
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/** |
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* Retrieves the tagging rules for a given user. |
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* |
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* @return array<TaggingRule> |
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*/ |
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private function getRulesForUser(User $user) |
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{ |
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return $user->getConfig()->getTaggingRules(); |
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} |
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/** |
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* Update reading time on the fly to match the proper words per minute from the user. |
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*/ |
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private function fixEntry(Entry $entry) |
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{ |
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$clonedEntry = clone $entry; |
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$clonedEntry->setReadingTime($entry->getReadingTime() / $entry->getUser()->getConfig()->getReadingSpeed() * 200); |
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return $clonedEntry; |
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} |
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} |
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wallabag /
wallabag
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