add support for async export users endpoint

lib/GetStream/StreamChat/Client.php

@@ -1333,6 +1333,17 @@ public function getExportChannelStatus(string $id): StreamResponse
         return $this->get("export_channels/{$id}");
     }
 
+    /**
+     * Schedules user export task for a list of users
+     * @link https://getstream.io/chat/docs/php/exporting_users/?language=php
+     * @param $userIds array of user IDs to export.
+     * @return StreamResponse returns task ID that you can use to get export status (see getTask method)
+     */
+    public function exportUsers(array $userIds): StreamResponse
+    {
+        return $this->post("export/users", ["user_ids" => $userIds]);
+    }
+
     /**
      * Returns task status
      * @link https://getstream.io/chat/docs/rest/#tasks-gettask

tests/integration/IntegrationTest.php

@@ -1460,4 +1460,24 @@ public function testUpdateMessagePartialWithRestrictedVisibility()
         $this->assertNotNull($response["message"]["restricted_visibility"]);
         $this->assertEquals([$this->user1["id"]], $response["message"]["restricted_visibility"]);
     }
+
+    public function testExportUsers()
+    {
+        $user = ["id" => $this->generateGuid()];
+        $this->client->upsertUser($user);
+
+        $response = $this->client->exportUsers([$user["id"]]);
+        $this->assertTrue(array_key_exists("task_id", (array)$response));
+
+        $taskId = $response["task_id"];
+        for ($i = 0; $i < 30; $i++) {
+            $response = $this->client->getTask($taskId);
+            if ($response["status"] == "completed") {
+                $this->assertStringContainsString("/exports/users/", $response["result"]["url"]);
+                return;
+            }
+            usleep(300000);
+        }
+        $this->assertSame($response["status"], "completed");
+    }
 }