Sitecore SXA – To get Site Settings for a Site

GetSiteSettings.cs

public static T GetValueFromSiteSettings<T>(IMvcContext mvcSiteContext, string TenantSiteSettingsTemplateId)
{
    var query = "/sitecore/content//*[@@ID='" + mvcSiteContext.GetRootItem<Item>().ID + "']/*[@@templateId='" + TenantSiteSettingsTemplateId + "']";
    var settings = mvcSiteContext.SitecoreService.Database.SelectSingleItem(query);
    if (settings == null)
    {
        return null;
    }
    return mvcSiteContext.SitecoreService.GetItem<T>(settings);
}

// If required can use below code for line number 3
var query = "/sitecore/content//*[@@ID='" + mvcSiteContext.GetRootItem<Item>().ID + "']/Settings";