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c3510620 KG |
1 | <?php |
2 | ||
3 | namespace Wallabag\CoreBundle\Helper; | |
4 | ||
5 | use RulerZ\RulerZ; | |
6 | ||
7 | use Wallabag\CoreBundle\Entity\Entry; | |
8 | use Wallabag\CoreBundle\Entity\Tag; | |
9 | use Wallabag\CoreBundle\Repository\TagRepository; | |
10 | use Wallabag\UserBundle\Entity\User; | |
11 | ||
12 | class RuleBasedTagger | |
13 | { | |
14 | private $rulerz; | |
15 | private $tagRepository; | |
16 | ||
17 | public function __construct(RulerZ $rulerz, TagRepository $tagRepository) | |
18 | { | |
19 | $this->rulerz = $rulerz; | |
20 | $this->tagRepository = $tagRepository; | |
21 | } | |
22 | ||
23 | /** | |
24 | * Add tags from rules defined by the user. | |
25 | * | |
26 | * @param Entry $entry Entry to tag. | |
27 | */ | |
28 | public function tag(Entry $entry) | |
29 | { | |
30 | $rules = $this->getRulesForUser($entry->getUser()); | |
31 | ||
32 | foreach ($rules as $rule) { | |
33 | if (!$this->rulerz->satisfies($entry, $rule['rule'])) { | |
34 | continue; | |
35 | } | |
36 | ||
37 | foreach ($rule['tags'] as $label) { | |
38 | $tag = $this->getTag($entry->getUser(), $label); | |
39 | ||
40 | $entry->addTag($tag); | |
41 | } | |
42 | } | |
43 | } | |
44 | ||
45 | /** | |
46 | * Fetch a tag for a user. | |
47 | * | |
48 | * @param User $user | |
49 | * @param string $label The tag's label. | |
50 | * | |
51 | * @return Tag | |
52 | */ | |
53 | private function getTag(User $user, $label) | |
54 | { | |
55 | $tag = $this->tagRepository->findOneByLabelAndUserId($label, $user->getId()); | |
56 | ||
57 | if (!$tag) { | |
58 | $tag = new Tag($user); | |
59 | $tag->setLabel($label); | |
60 | } | |
61 | ||
62 | return $tag; | |
63 | } | |
64 | ||
65 | private function getRulesForUser(User $user) | |
66 | { | |
67 | return [ | |
68 | [ | |
69 | 'rule' => 'domainName = "github.com"', | |
70 | 'tags' => ['github'], | |
71 | ], | |
72 | [ | |
73 | 'rule' => 'readingTime >= 15', | |
74 | 'tags' => ['long reading'], | |
75 | ], | |
76 | [ | |
77 | 'rule' => 'readingTime <= 3 ', | |
78 | 'tags' => ['short reading'], | |
79 | ], | |
80 | ]; | |
81 | } | |
82 | } |