/**
* Generate self/first/prev/next/last/alternate links
*/
public static function buildLinks($action, $path, $totalResults, $queryParams, $nonDefaultParams, $excludeParams = [])
{
$apiVersion = $queryParams['v'];
$baseURI = Zotero_API::getBaseURI() . substr($path, 1);
$alternateBaseURI = Zotero_URI::getBaseWWWURI() . substr($path, 1);
$links = [];
//
// Generate URIs for 'self', 'first', 'next' and 'last' links
//
// 'self'
$links['self'] = $baseURI;
if ($nonDefaultParams) {
$links['self'] .= Zotero_API::buildQueryString($apiVersion, $action, $nonDefaultParams, $excludeParams);
}
// 'first'
$links['first'] = $baseURI;
if ($nonDefaultParams) {
$p = $nonDefaultParams;
unset($p['start']);
$links['first'] .= Zotero_API::buildQueryString($apiVersion, $action, $p, $excludeParams);
}
// 'prev'
if ($queryParams['start']) {
$p = $nonDefaultParams;
$prevStart = $queryParams['start'] - $queryParams['limit'];
if ($prevStart <= 0) {
unset($p['start']);
} else {
$p['start'] = $prevStart;
}
$links['prev'] = $baseURI . Zotero_API::buildQueryString($apiVersion, $action, $p, $excludeParams);
}
// 'last'
if (!$queryParams['start'] && $queryParams['limit'] >= $totalResults) {
$links['last'] = $links['self'];
} else {
if ($queryParams['limit'] != 0) {
// 'start' past results
if ($queryParams['start'] >= $totalResults) {
$lastStart = $totalResults - $queryParams['limit'];
} else {
$lastStart = $totalResults - $totalResults % $queryParams['limit'];
if ($lastStart == $totalResults) {
$lastStart = $totalResults - $queryParams['limit'];
}
}
$p = $nonDefaultParams;
if ($lastStart > 0) {
$p['start'] = $lastStart;
} else {
unset($p['start']);
}
$links['last'] = $baseURI . Zotero_API::buildQueryString($apiVersion, $action, $p, $excludeParams);
// 'next'
$nextStart = $queryParams['start'] + $queryParams['limit'];
if ($nextStart < $totalResults) {
$p = $nonDefaultParams;
$p['start'] = $nextStart;
$links['next'] = $baseURI . Zotero_API::buildQueryString($apiVersion, $action, $p, $excludeParams);
}
}
}
$links['alternate'] = $alternateBaseURI;
return $links;
}
