public string NavEx(NavFilter filter)
{
try
{
var res = RecommandCache.Instance.Items[filter.mode];
var xml = new XElement("navs");
var key = new VideoNodeKey(filter.platform, 0, filter.auth);
var filters = VideoNodesUtil.FormateVodFilter(filter);
xml.Add(from re in res
let count = GetChannelCount(re, key, filter, filters)
where count > 0
select new XElement("nav",
new XElement("navid", re.Id),
new XElement("name", re.Language[filter.lang].Title),
new XElement("count", count),
new XElement("image", re.PicLink)
));
return xml.ToString(SaveOptions.DisableFormatting);
}
catch (KeyNotFoundException)
{
return NoModeNav();
}
catch (Exception ex)
{
return BoxUtils.FormatErrorMsg(ex);
}
}
public string NavLists(NavFilter filter)
{
try
{
var key = new VideoNodeKey(filter.platform, 0, filter.auth);
var pars = VideoParsUtils.FormateSearchVideoPars(filter);
var filters = VideoNodesUtil.FormateVodFilter(filter);
var rel = RecommandCache.Instance.Dictionary[filter.navid];
var query = rel.Channels[key].Where(v =>
{
bool result = true;
var video = ListCache.Instance.Dictionary[v];
foreach (var f in filters)
{
result = result && f(video, filter);
}
return result;
});
return CreatePageList(rel, query, filter, pars, false);
}
catch (KeyNotFoundException)
{
return NoPlatformNav();
}
catch (Exception ex)
{
return BoxUtils.FormatErrorMsg(ex);
}
}
/// <summary>
/// 分页输出
/// </summary>
private string CreatePageList(RecommandNode recommand, IEnumerable<int> videos, NavFilter filter, VideoPars pars, bool isEx)
{
var xml = new XElement("vlist");
xml.Add(new XElement("nav_id", recommand.Id),
new XElement("nav_name", recommand.Language[filter.lang].Title),
new XElement("count", 0),
new XElement("page_count", 0)
);
var count = videos.PageList(filter, pars, xml, isEx);
xml.Element("count").SetValue(count);
xml.Element("page_count").SetValue(PageUtils.PageCount(count, filter.c));
return xml.ToString(SaveOptions.DisableFormatting);
}
/// <summary>
/// 得到该推荐分类下的频道数
/// </summary>
private int GetChannelCount(RecommandNode node, VideoNodeKey key, NavFilter filter, List<Func<VideoBase, ExFilterBase, bool>> filters)
{
int count = 0;
if (node.Channels.ContainsKey(key))
{
var cs = node.Channels[key];
foreach (var c in cs)
{
var result = true;
foreach (var f in filters)
{
result = result && f(ListCache.Instance.Dictionary[c], filter);
}
if (result)
count++;
}
}
return count;
}
