generators+promises FTW

[m6w6/seekat] / lib / API / Deferred.php

diff --git a/lib/API/Deferred.php b/lib/API/Deferred.php
deleted file mode 100644 (file)
index 4384684..0000000
--- a/lib/API/Deferred.php
+++ /dev/null
@@ -1,117 +0,0 @@
-<?php
-
-namespace seekat\API;
-
-use seekat\API;
-use http\Client;
-use http\Client\Request;
-use http\Client\Response;
-
-class Deferred extends \React\Promise\Deferred implements \SplObserver
-{
-       /**
-        * The endpoint
-        * @var \seekat\API
-        */
-       private $api;
-
-       /**
-        * The HTTP client
-        * @var \http\Client
-        */
-       private $client;
-
-       /**
-        * The executed request
-        * @var \http\Client\Request
-        */
-       private $request;
-
-       /**
-        * The promised response
-        * @var \http\Client\Response
-        */
-       private $response;
-
-       /**
-        * Create a deferred promise for the response of $request
-        *
-        * @var \seekat\API $api The endpoint of the request
-        * @var \http\Client $client The HTTP client to send the request
-        * @var \http\Client\Request The request to execute
-        */
-       function __construct(API $api, Client $client, Request $request) {
-               $this->api = $api;
-               $this->client = $client;
-               $this->request = $request;
-
-               $client->attach($this);
-               $client->enqueue($request);
-
-               parent::__construct(function($resolve, $reject) {
-                       return $this->cancel($resolve, $reject);
-               });
-       }
-
-       /**
-        * Progress observer
-        *
-        * Import the response's data on success and resolve the promise.
-        *
-        * @var \SplSubject $client The observed HTTP client
-        * @var \http\Client\Request The request which generated the update
-        * @var object $progress The progress information
-        */
-       function update(\SplSubject $client, Request $request = null, $progress = null) {
-               if ($request !== $this->request) {
-                       return;
-               }
-
-               $this->notify((object) compact("client", "request", "progress"));
-
-               if ($progress->info === "finished") {
-                       $this->response = $this->client->getResponse();
-                       $this->complete(
-                               [$this, "resolve"],
-                               [$this, "reject"]
-                       );
-               }
-       }
-
-       /**
-        * Completion callback
-        * @param callable $resolve
-        * @param callable $reject
-        */
-       private function complete(callable $resolve, callable $reject) {
-               $this->client->detach($this);
-
-               if ($this->response) {
-                       try {
-                               $resolve($this->api->import($this->response));
-                       } catch (\Exception $e) {
-                               $reject($e);
-                       }
-               } else {
-                       $reject($this->client->getTransferInfo($this->request)["error"]);
-               }
-
-               $this->client->dequeue($this->request);
-       }
-
-       /**
-        * Cancellation callback
-        * @param callable $resolve
-        * @param callable $reject
-        */
-       private function cancel(callable $resolve, callable $reject) {
-               /* did we finish in the meantime? */
-               if ($this->response) {
-                       $this->complete($resolve, $reject);
-               } else {
-                       $this->client->detach($this);
-                       $this->client->dequeue($this->request);
-                       $reject("Cancelled");
-               }
-       }
-}