from base.models import BaseInfo, LinkCategory, MainMenu, PictureLink


def site_info(request):
    """
    为所有模板提供站点信息
    """
    site_info_obj = BaseInfo.objects.filter(is_active=True).first()
    link_categories = LinkCategory.objects.filter(is_active=True).prefetch_related('links')
    menus = MainMenu.objects.filter(visible=True, parent__isnull=True).order_by('order')
    picture_links = PictureLink.objects.filter(is_active=True).order_by('order')
    return {
        'site_info': site_info_obj,
        'link_categories': link_categories,
        'menus': menus,
        'picture_links': picture_links,
    }