如何通过使用 OneSignal 向移动设备发送推送通知来包含来自 Wordpress 网站的特色图片

How to include featured image from the Wordpress website by sending push notification to mobile using OneSignal

我有一个 wordpress 网站。我可以设法使用 OneSignal 向它的 android 应用程序发送推送通知。为此,我在documentation之后在wordpress网站上做了一个必须使用的插件。

不过,我想知道是否可以在通知中包含来自网站的特色图片。需要任何帮助。

这是我使用的代码:

<?php
function onesignal_send_notification_filter($fields, $new_status, $old_status, $post)
{
    $fields['isAndroid'] = true;
    $fields['isIos'] = true;
    $fields['isAnyWeb'] = false;
    $fields['isChrome'] = false;
    $fields['data'] = array(
        "myappurl" => $fields['url']
    );
    /* Unset the URL to prevent opening the browser when the notification is clicked */
    unset($fields['url']);
    return $fields;
}

您可以像这样在数据中传递缩略图 ID 和 url:

function onesignal_send_notification_filter($fields, $new_status, $old_status, $post)
{

$ImageId = get_post_thumbnail_id($post->ID);
$ImageSrc = wp_get_attachment_image_src($ImageId);
$ImageUrl = $ImageSrc[0];

    $fields['isAndroid'] = true;
    $fields['isIos'] = true;
    $fields['isAnyWeb'] = false;
    $fields['isChrome'] = false;
    $fields['data'] = array(
        "myappurl" => $fields['url'],
        "thumbnail_id" => $ImageId,
        "thumbnail_url" => $ImageUrl,
    );
    /* Unset the URL to prevent opening the browser when the notification is clicked */
    unset($fields['url']);
    return $fields;
}