git.m6w6.name Git - m6w6/seekat/blob - lib/functions.php

   1 <?php
   2
   3 namespace seekat\Exception;
   4
   5 function message(&$error) : string {
   6         if ($error instanceof \Throwable) {
   7                 $message = $error->getMessage();
   8         } else {
   9                 $message = $error;
  10                 $error = new \Exception($error);
  11         }
  12         return $message;
  13 }
  14
  15 namespace seekat\API\Links;
  16
  17 use React\Promise\{
  18         ExtendedPromiseInterface,
  19         function reject
  20 };
  21 use seekat\API;
  22 use seekat\API\Call\Cache;
  23
  24 /**
  25  * Perform a GET request against the link's "first" relation
  26  *
  27  * @return ExtendedPromiseInterface
  28  */
  29 function first(API $api, Cache\Service $cache = null) : ExtendedPromiseInterface {
  30         $links = $api->getLinks();
  31         if ($links && ($first = $links->getFirst())) {
  32                 return $api->withUrl($first)->get(null, null, $cache);
  33         }
  34         return reject($links);
  35 }
  36
  37 /**
  38  * Perform a GET request against the link's "prev" relation
  39  *
  40  * @return ExtendedPromiseInterface
  41  */
  42 function prev(API $api, Cache\Service $cache = null) : ExtendedPromiseInterface {
  43         $links = $api->getLinks();
  44         if ($links && ($prev = $links->getPrev())) {
  45                 return $api->withUrl($prev)->get(null, null, $cache);
  46         }
  47         return reject($links);
  48 }
  49
  50 /**
  51  * Perform a GET request against the link's "next" relation
  52  *
  53  * @return ExtendedPromiseInterface
  54  */
  55 function next(API $api, Cache\Service $cache = null) : ExtendedPromiseInterface {
  56         $links = $api->getLinks();
  57         if ($links && ($next = $links->getNext())) {
  58                 return $api->withUrl($next)->get(null, null, $cache);
  59         }
  60         return reject($links);
  61 }
  62
  63 /**
  64  * Perform a GET request against the link's "last" relation
  65  *
  66  * @return ExtendedPromiseInterface
  67  */
  68 function last(API $api, Cache\Service $cache = null) : ExtendedPromiseInterface {
  69         $links = $api->getLinks();
  70         if ($links && ($last = $links->getLast())) {
  71                 return $api->withUrl($last)->get(null, null, $cache);
  72         }
  73         return reject($links);
  74 }
  75