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c3b00963 A |
1 | <?php |
2 | ||
3 | namespace Shaarli\Api\Controllers; | |
4 | ||
5 | use Shaarli\Api\ApiUtils; | |
6 | use Shaarli\Api\Exceptions\ApiBadParametersException; | |
7 | use Slim\Http\Request; | |
8 | use Slim\Http\Response; | |
9 | ||
10 | /** | |
11 | * Class Links | |
12 | * | |
13 | * REST API Controller: all services related to links collection. | |
14 | * | |
15 | * @package Api\Controllers | |
16 | * @see http://shaarli.github.io/api-documentation/#links-links-collection | |
17 | */ | |
18 | class Links extends ApiController | |
19 | { | |
20 | /** | |
21 | * @var int Number of links returned if no limit is provided. | |
22 | */ | |
23 | public static $DEFAULT_LIMIT = 20; | |
24 | ||
25 | /** | |
26 | * Retrieve a list of links, allowing different filters. | |
27 | * | |
28 | * @param Request $request Slim request. | |
29 | * @param Response $response Slim response. | |
30 | * | |
31 | * @return Response response. | |
32 | * | |
33 | * @throws ApiBadParametersException Invalid parameters. | |
34 | */ | |
35 | public function getLinks($request, $response) | |
36 | { | |
c37a6f82 | 37 | $private = $request->getParam('visibility'); |
c3b00963 A |
38 | $links = $this->linkDb->filterSearch( |
39 | [ | |
40 | 'searchtags' => $request->getParam('searchtags', ''), | |
41 | 'searchterm' => $request->getParam('searchterm', ''), | |
42 | ], | |
43 | false, | |
c37a6f82 | 44 | $private |
c3b00963 A |
45 | ); |
46 | ||
47 | // Return links from the {offset}th link, starting from 0. | |
48 | $offset = $request->getParam('offset'); | |
49 | if (! empty($offset) && ! ctype_digit($offset)) { | |
50 | throw new ApiBadParametersException('Invalid offset'); | |
51 | } | |
52 | $offset = ! empty($offset) ? intval($offset) : 0; | |
53 | if ($offset > count($links)) { | |
54 | return $response->withJson([], 200, $this->jsonStyle); | |
55 | } | |
56 | ||
57 | // limit parameter is either a number of links or 'all' for everything. | |
58 | $limit = $request->getParam('limit'); | |
59 | if (empty($limit)) { | |
60 | $limit = self::$DEFAULT_LIMIT; | |
61 | } | |
62 | else if (ctype_digit($limit)) { | |
63 | $limit = intval($limit); | |
64 | } else if ($limit === 'all') { | |
65 | $limit = count($links); | |
66 | } else { | |
67 | throw new ApiBadParametersException('Invalid limit'); | |
68 | } | |
69 | ||
70 | // 'environment' is set by Slim and encapsulate $_SERVER. | |
71 | $index = index_url($this->ci['environment']); | |
72 | ||
73 | $out = []; | |
74 | $cpt = 0; | |
75 | foreach ($links as $link) { | |
76 | if (count($out) >= $limit) { | |
77 | break; | |
78 | } | |
79 | if ($cpt++ >= $offset) { | |
80 | $out[] = ApiUtils::formatLink($link, $index); | |
81 | } | |
82 | } | |
83 | ||
84 | return $response->withJson($out, 200, $this->jsonStyle); | |
85 | } | |
86 | } |