86 lines
2.5 KiB
PHP
86 lines
2.5 KiB
PHP
<?php
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namespace Shaarli\Api\Controllers;
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use Shaarli\Api\ApiUtils;
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use Shaarli\Api\Exceptions\ApiBadParametersException;
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use Slim\Http\Request;
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use Slim\Http\Response;
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/**
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* Class Links
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*
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* REST API Controller: all services related to links collection.
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*
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* @package Api\Controllers
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* @see http://shaarli.github.io/api-documentation/#links-links-collection
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*/
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class Links extends ApiController
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{
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/**
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* @var int Number of links returned if no limit is provided.
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*/
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public static $DEFAULT_LIMIT = 20;
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/**
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* Retrieve a list of links, allowing different filters.
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*
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* @param Request $request Slim request.
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* @param Response $response Slim response.
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*
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* @return Response response.
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*
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* @throws ApiBadParametersException Invalid parameters.
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*/
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public function getLinks($request, $response)
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{
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$private = $request->getParam('visibility');
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$links = $this->linkDb->filterSearch(
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[
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'searchtags' => $request->getParam('searchtags', ''),
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'searchterm' => $request->getParam('searchterm', ''),
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],
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false,
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$private
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);
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// Return links from the {offset}th link, starting from 0.
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$offset = $request->getParam('offset');
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if (! empty($offset) && ! ctype_digit($offset)) {
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throw new ApiBadParametersException('Invalid offset');
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}
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$offset = ! empty($offset) ? intval($offset) : 0;
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if ($offset > count($links)) {
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return $response->withJson([], 200, $this->jsonStyle);
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}
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// limit parameter is either a number of links or 'all' for everything.
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$limit = $request->getParam('limit');
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if (empty($limit)) {
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$limit = self::$DEFAULT_LIMIT;
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}
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else if (ctype_digit($limit)) {
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$limit = intval($limit);
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} else if ($limit === 'all') {
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$limit = count($links);
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} else {
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throw new ApiBadParametersException('Invalid limit');
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}
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// 'environment' is set by Slim and encapsulate $_SERVER.
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$index = index_url($this->ci['environment']);
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$out = [];
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$cpt = 0;
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foreach ($links as $link) {
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if (count($out) >= $limit) {
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break;
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}
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if ($cpt++ >= $offset) {
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$out[] = ApiUtils::formatLink($link, $index);
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}
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}
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return $response->withJson($out, 200, $this->jsonStyle);
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}
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}
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