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117 lines
2.9 KiB
PHP
117 lines
2.9 KiB
PHP
<?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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foreach ($rules as $rule) {
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if (!$this->rulerz->satisfies($entry, $rule->getRule())) {
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continue;
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}
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$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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$entries = [];
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$tagsCache = [];
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foreach ($rules as $rule) {
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$qb = $this->entryRepository->getBuilderForAllByUser($user->getId());
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$entries = $this->rulerz->filter($qb, $rule->getRule());
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foreach ($entries as $entry) {
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foreach ($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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}
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}
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}
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return $entries;
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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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$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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