static async callSubscribedApps()

in services/graph-api.js [99:132]

• 26 lines of code
• 3 McCabe index (conditional complexity)

  static async callSubscribedApps(customFields) {
    // Send the HTTP request to subscribe an app for Webhooks for Pages
    // You can use the Graph API's /{page-id}/subscribed_apps edge to configure
    // and manage your pages subscriptions
    // https://developers.facebook.com/docs/graph-api/reference/page/subscribed_apps
    console.log(`Subscribing app ${config.appId} to page ${config.pageId}`);

    let fields =
      "messages, messaging_postbacks, messaging_optins, " +
      "message_deliveries, messaging_referrals";

    if (customFields !== undefined) {
      fields = fields + ", " + customFields;
    }

    console.log({ fields });

    let url = new URL(`${config.apiUrl}/${config.pageId}/subscribed_apps`);
    url.search = new URLSearchParams({
      access_token: config.pageAccesToken,
      subscribed_fields: fields
    });
    let response = await fetch(url, {
      method: "POST"
    });
    if (response.ok) {
      console.log(`Request sent.`);
    } else {
      console.error(
        `Unable to callSubscribedApps: ${response.statusText}`,
        await response.json()
      );
    }
  }