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6bc6fb1f TC |
1 | <?php |
2 | ||
3 | namespace Wallabag\CoreBundle\Helper; | |
4 | ||
5 | use Wallabag\CoreBundle\Entity\Entry; | |
6 | use Wallabag\CoreBundle\Entity\Tag; | |
7 | use Wallabag\CoreBundle\Repository\TagRepository; | |
8 | ||
9 | class TagsAssigner | |
10 | { | |
11 | ||
12 | /** | |
13 | * @var TagRepository $tagRepository | |
14 | */ | |
15 | protected $tagRepository; | |
16 | ||
17 | public function __construct(TagRepository $tagRepository) | |
18 | { | |
19 | $this->tagRepository = $tagRepository; | |
20 | } | |
21 | ||
22 | /** | |
23 | * Assign some tags to an entry. | |
24 | * | |
25 | * @param Entry $entry | |
26 | * @param array|string $tags An array of tag or a string coma separated of tag | |
27 | * @param array $entitiesReady Entities from the EntityManager which are persisted but not yet flushed | |
28 | * It is mostly to fix duplicate tag on import @see http://stackoverflow.com/a/7879164/569101 | |
29 | * | |
30 | * @return Tag[] | |
31 | */ | |
32 | public function assignTagsToEntry(Entry $entry, $tags, array $entitiesReady = []) | |
33 | { | |
34 | $tagsEntities = []; | |
35 | ||
36 | if (!is_array($tags)) { | |
37 | $tags = explode(',', $tags); | |
38 | } | |
39 | ||
40 | // keeps only Tag entity from the "not yet flushed entities" | |
41 | $tagsNotYetFlushed = []; | |
42 | foreach ($entitiesReady as $entity) { | |
43 | if ($entity instanceof Tag) { | |
44 | $tagsNotYetFlushed[$entity->getLabel()] = $entity; | |
45 | } | |
46 | } | |
47 | ||
48 | foreach ($tags as $label) { | |
49 | $label = trim($label); | |
50 | ||
51 | // avoid empty tag | |
52 | if (0 === strlen($label)) { | |
53 | continue; | |
54 | } | |
55 | ||
56 | if (isset($tagsNotYetFlushed[$label])) { | |
57 | $tagEntity = $tagsNotYetFlushed[$label]; | |
58 | } else { | |
59 | $tagEntity = $this->tagRepository->findOneByLabel($label); | |
60 | ||
61 | if (null === $tagEntity) { | |
62 | $tagEntity = new Tag(); | |
63 | $tagEntity->setLabel($label); | |
64 | } | |
65 | } | |
66 | ||
67 | // only add the tag on the entry if the relation doesn't exist | |
68 | if (false === $entry->getTags()->contains($tagEntity)) { | |
69 | $entry->addTag($tagEntity); | |
70 | $tagsEntities[] = $tagEntity; | |
71 | } | |
72 | } | |
73 | ||
74 | return $tagsEntities; | |
75 | } | |
76 | } |