public string LiveRecommandList(LiveNavFilter filter)
{
try
{
var recommands = LiveRecommandCache.Instance.Items[new RecommandKey(filter.platform, filter.auth, filter.navid)];
if (recommands.Count <= 0)
return NoModeNav();
var pars = VideoParsUtils.FormateSearchVideoPars(filter);
var filters = VideoNodesUtil.CommonCustomFilter(filter);
if (filters.Count <= 0)
{
return CreatePageList(recommands[0], recommands[0].Lists, filter, pars, false);
}
else
{
var videos = FilterList(recommands[0], filters, filter);
return CreatePageList(recommands[0], videos, filter, pars, false);
}
}
catch (KeyNotFoundException)
{
return NoPlatformNav();
}
catch (Exception ex)
{
return BoxUtils.FormatErrorMsg(ex);
}
}
public string LiveRecommandNav(LiveNavFilter filter)
{
try
{
var recommands = LiveRecommandCache.Instance.Items[new RecommandKey(filter.mode, filter.platform, filter.auth)];
var root = new XElement("navs");
var filters = VideoNodesUtil.CommonCustomFilter(filter);
if (filters.Count <= 0)
{
root.Add(from recommand in recommands select CreateNav(recommand, filter));
}
else
{
root.Add(from recommand in recommands let vs = FilterList(recommand, filters, filter) where vs.Count > 0 select CreateNav(recommand, filter));
}
return root.ToString(SaveOptions.DisableFormatting);
}
catch (KeyNotFoundException)
{
return NoModeNav();
}
catch (Exception ex)
{
return BoxUtils.FormatErrorMsg(ex);
}
}
public string LiveRecommandNavEx(LiveNavFilter filter)
{
try
{
var recommands = LiveRecommandCache.Instance.Items[new RecommandKey(filter.mode, filter.platform, filter.auth)];
var root = new XElement("navs");
IEnumerable<XElement> query = null;
var filters = VideoNodesUtil.FormateTagFilter(filter);
query = from recommand in recommands let vs = FilterList(recommand, filters, filter) where vs.Count > 0 select CreateNavEx(recommand, vs.Count, filter);
root.Add(query);
return root.ToString(SaveOptions.DisableFormatting);
}
catch (KeyNotFoundException)
{
return NoModeNav();
}
catch (Exception ex)
{
return BoxUtils.FormatErrorMsg(ex);
}
}
/// <summary>
/// 分页输出
/// </summary>
private string CreatePageList(LiveRecommandNode recommand, List<LiveVideoNode> videos, LiveNavFilter filter, VideoPars pars, bool isEx)
{
var vkey = new VideoNodeKey(filter.platform, 0, filter.auth);
var xml = new XElement("vlist");
xml.Add(new XElement("nav_id", recommand.ID));
xml.Add(new XElement("nav_name", recommand.Language[filter.lang].Title));
xml.Add(new XElement("count", videos.Count));
xml.Add(new XElement("page_count", PageUtils.PageCount(videos.Count, filter.c)));
if (filter.c != 0 && filter.s != 0)
{
//currentVideos = videos.Skip(filter.c * (filter.s - 1)).Take(filter.c).ToList();
xml.Add(new XElement("countInPage", filter.c));
xml.Add(new XElement("page", filter.s));
var index = (filter.s - 1) * filter.c;
var max = index + filter.c;
if (max > videos.Count)
max = videos.Count;
for (var i = index; i < max; i++)
{
xml.Add(VideoResponseUtils.CustomLiveListRes(videos[i], filter, 0, isEx));
}
}
else
{
xml.Add(from v in videos select VideoResponseUtils.CustomLiveListRes(v, filter, 0, isEx));
}
return xml.ToString(SaveOptions.DisableFormatting);
}
/// <summary>
/// 过滤不符合条件的频道
/// </summary>
private List<LiveVideoNode> FilterList(LiveRecommandNode recommand, List<Func<VideoBase, ExFilterBase, bool>> filters, LiveNavFilter filter)
{
var videos = new List<LiveVideoNode>();
foreach (var video in recommand.Lists)
{
bool result = true;
foreach (var f in filters)
result = result && f(video, filter);
if (result)
videos.Add(video);
}
return videos;
}
/// <summary>
/// 生成扩展导航分类
/// </summary>
private XElement CreateNavEx(LiveRecommandNode recommand, int count, LiveNavFilter filter)
{
return new XElement("nav",
new XElement("navid", recommand.ID),
new XElement("name", recommand.Language[filter.lang].Title),
new XElement("count", count),
new XElement("image", recommand.PicLink)
);
}