SitefinityQuery - Images

/* Fetch - ALL */
private IQueryable<Image> GetAllImages() {
    //Aaaahh non-multisite, how simple you were
    if (!SystemManager.CurrentContext.IsMultisiteMode) {
        return LibrariesManager.GetManager().GetImages();
    }

    return SitefinityQuery.Get<Image>(LibrariesManager.GetManager().Provider)
        .Where(o => GetLibrariesApplicationNames().Contains(o.ApplicationName));
}

/* Fetch - LIVE RECORDS */
IQueryable<Image> GetImages() {
    return GetAllImages().Where(o => o.Visible && o.Status == ContentLifecycleStatus.Live);
}

Image GetImage(Guid id) {
    return GetImages().SingleOrDefault(o => o.Id == id);
}

/* Provider/Application names */
IEnumerable<string> GetLibrariesApplicationNames() {
    //Get Provider names via SiteDataSourceLinks
    var providerNames = GetProviderNames(typeof(LibrariesManager).FullName);

    //NOW we can't just use these, because the "Default" provider for Sitefinity
    //Has a different ProviderName from ApplicationName
    //We could hardcode it, but that's not right, let's look it up in the place Sitefinity sets it.
    return providerNames.Select(o => LibrariesProviderApplicationName(o));
}

string LibrariesProviderApplicationName(string providerName) {
    return Config.Get<LibrariesConfig>().Providers[providerName].Parameters["applicationName"];
}

IEnumerable<string> GetProviderNames(string dataSourceName) {
    return SystemManager.CurrentContext.CurrentSite.SiteDataSourceLinks
        .Where(o => o.DataSourceName == dataSourceName)
        .Select(o => o.ProviderName);
}