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1 | <?php | |
2 | ||
3 | namespace Wallabag\ImportBundle\Import; | |
4 | ||
5 | use Psr\Log\LoggerInterface; | |
6 | use Psr\Log\NullLogger; | |
7 | use Doctrine\ORM\EntityManager; | |
8 | use Wallabag\CoreBundle\Helper\ContentProxy; | |
9 | use Wallabag\CoreBundle\Entity\Entry; | |
10 | use Wallabag\CoreBundle\Entity\Tag; | |
11 | use Wallabag\UserBundle\Entity\User; | |
12 | use OldSound\RabbitMqBundle\RabbitMq\ProducerInterface; | |
13 | ||
14 | abstract class AbstractImport implements ImportInterface | |
15 | { | |
16 | protected $em; | |
17 | protected $logger; | |
18 | protected $contentProxy; | |
19 | protected $producer; | |
20 | protected $user; | |
21 | protected $markAsRead; | |
22 | protected $skippedEntries = 0; | |
23 | protected $importedEntries = 0; | |
24 | ||
25 | public function __construct(EntityManager $em, ContentProxy $contentProxy) | |
26 | { | |
27 | $this->em = $em; | |
28 | $this->logger = new NullLogger(); | |
29 | $this->contentProxy = $contentProxy; | |
30 | } | |
31 | ||
32 | public function setLogger(LoggerInterface $logger) | |
33 | { | |
34 | $this->logger = $logger; | |
35 | } | |
36 | ||
37 | /** | |
38 | * Set RabbitMQ/Redis Producer to send each entry to a queue. | |
39 | * This method should be called when user has enabled RabbitMQ. | |
40 | * | |
41 | * @param ProducerInterface $producer | |
42 | */ | |
43 | public function setProducer(ProducerInterface $producer) | |
44 | { | |
45 | $this->producer = $producer; | |
46 | } | |
47 | ||
48 | /** | |
49 | * Set current user. | |
50 | * Could the current *connected* user or one retrieve by the consumer. | |
51 | * | |
52 | * @param User $user | |
53 | */ | |
54 | public function setUser(User $user) | |
55 | { | |
56 | $this->user = $user; | |
57 | } | |
58 | ||
59 | /** | |
60 | * Set whether articles must be all marked as read. | |
61 | * | |
62 | * @param bool $markAsRead | |
63 | */ | |
64 | public function setMarkAsRead($markAsRead) | |
65 | { | |
66 | $this->markAsRead = $markAsRead; | |
67 | ||
68 | return $this; | |
69 | } | |
70 | ||
71 | /** | |
72 | * Get whether articles must be all marked as read. | |
73 | */ | |
74 | public function getMarkAsRead() | |
75 | { | |
76 | return $this->markAsRead; | |
77 | } | |
78 | ||
79 | /** | |
80 | * Fetch content from the ContentProxy (using graby). | |
81 | * If it fails return false instead of the updated entry. | |
82 | * | |
83 | * @param Entry $entry Entry to update | |
84 | * @param string $url Url to grab content for | |
85 | * @param array $content An array with AT LEAST keys title, html, url, language & content_type to skip the fetchContent from the url | |
86 | * | |
87 | * @return Entry|false | |
88 | */ | |
89 | protected function fetchContent(Entry $entry, $url, array $content = []) | |
90 | { | |
91 | try { | |
92 | return $this->contentProxy->updateEntry($entry, $url, $content); | |
93 | } catch (\Exception $e) { | |
94 | return false; | |
95 | } | |
96 | } | |
97 | ||
98 | /** | |
99 | * Parse and insert all given entries. | |
100 | * | |
101 | * @param $entries | |
102 | */ | |
103 | protected function parseEntries($entries) | |
104 | { | |
105 | $i = 1; | |
106 | ||
107 | foreach ($entries as $importedEntry) { | |
108 | $entry = $this->parseEntry($importedEntry); | |
109 | ||
110 | if (null === $entry) { | |
111 | continue; | |
112 | } | |
113 | ||
114 | // flush every 20 entries | |
115 | if (($i % 20) === 0) { | |
116 | $this->em->flush(); | |
117 | ||
118 | // clear only affected entities | |
119 | $this->em->clear(Entry::class); | |
120 | $this->em->clear(Tag::class); | |
121 | } | |
122 | ++$i; | |
123 | } | |
124 | ||
125 | $this->em->flush(); | |
126 | } | |
127 | ||
128 | /** | |
129 | * Parse entries and send them to the queue. | |
130 | * It should just be a simple loop on all item, no call to the database should be done | |
131 | * to speedup queuing. | |
132 | * | |
133 | * Faster parse entries for Producer. | |
134 | * We don't care to make check at this time. They'll be done by the consumer. | |
135 | * | |
136 | * @param array $entries | |
137 | */ | |
138 | protected function parseEntriesForProducer(array $entries) | |
139 | { | |
140 | foreach ($entries as $importedEntry) { | |
141 | // set userId for the producer (it won't know which user is connected) | |
142 | $importedEntry['userId'] = $this->user->getId(); | |
143 | ||
144 | if ($this->markAsRead) { | |
145 | $importedEntry = $this->setEntryAsRead($importedEntry); | |
146 | } | |
147 | ||
148 | ++$this->importedEntries; | |
149 | ||
150 | $this->producer->publish(json_encode($importedEntry)); | |
151 | } | |
152 | } | |
153 | ||
154 | /** | |
155 | * Parse one entry. | |
156 | * | |
157 | * @param array $importedEntry | |
158 | * | |
159 | * @return Entry | |
160 | */ | |
161 | abstract public function parseEntry(array $importedEntry); | |
162 | ||
163 | /** | |
164 | * Set current imported entry to archived / read. | |
165 | * Implementation is different accross all imports. | |
166 | * | |
167 | * @param array $importedEntry | |
168 | * | |
169 | * @return array | |
170 | */ | |
171 | abstract protected function setEntryAsRead(array $importedEntry); | |
172 | } |