public void DownloadHistory_Sync(IResourceSearchInfo infos)
{
var types = infos.Where(s => s.ResourceType == ResourceType.Ed2K || s.ResourceType == ResourceType.BitTorrent).GroupBy(s => s.ResourceType);
var dh = AppContext.Instance.DownloadHistory;
foreach (var type in types)
{
foreach (var info in type)
{
if (info.IsHashLoaded)
{
info.ChangeDownloadedStatus(dh.ContainsKey(info.Hash));
info.DownloadedChanged += (s, e) => DownloadHistory_Update(s as IResourceInfo);
}
else
{
info.DetailLoaded += (s, e) =>
{
DownloadHistory_Sync(new ResourceSearchInfo(infos.Provider)
{
s as IResourceInfo
});
};
}
}
}
}
public void Check(IResourceSearchInfo infos)
{
var list = infos.Where(s => s.VerifyState == VerifyState.Unknown).ToList();
var rules = AppContext.Instance.Options.RssRuleCollection.Values.Union(new[] { AppContext.Instance.Options.RuleCollection }).ExceptNull().ToArray();
foreach (var info in list)
{
Debug.WriteLine($"判断资源：{info.Title} 安全性（自动规则）");
foreach (var checker in Checkers)
{
var state = checker.Check(info);
if (state != VerifyState.Unknown)
{
info.ChangeVerifyState(state, 0);
break;
}
}
Debug.WriteLine($"判断资源：{info.Title} 安全性（订阅规则）");
foreach (var rc in rules.ExceptNull())
{
//过滤校验
if (rc.Count <= 0)
{
continue;
}
foreach (var rule in rc.ExceptNull())
{
if (!rule.IsMatch(info))
{
continue;
}
//标记or移除？
if (rule.Behaviour == FilterBehaviour.Hide)
{
infos.Remove(info);
break;
}
if (rule.Behaviour == FilterBehaviour.Mark && (info.VerifyState == VerifyState.Unknown || info.VerifyState == VerifyState.None))
{
//标记
info.ChangeVerifyState(VerifyState.Illegal, 0);
}
}
}
}
}
public void DoSearch()
{
if (_worker.IsBusy)
{
return;
}
Debug.WriteLine("Request Search.");
_requireCancel = false;
HasMore = true; //假定有下一页
Result = null;
OnSearchBegin();
_worker.RunWorkASync();
}
public void Filter(IResourceSearchInfo result, string key)
{
//执行过滤
var query = result.Where(s =>
(_excludeKey.Count > 0 && _excludeKey.Any(x => s.Title.Contains(x, StringComparison.OrdinalIgnoreCase))) ||
(_strictKey.Count > 0 && !_strictKey.Any(x => s.Title.Contains(x, StringComparison.OrdinalIgnoreCase))) ||
(_sizeFilter.HasValue && (_sizeFilter.Value < s.DownloadSizeCalcauted ^ _greater))
);
var removed = query.ToArray();
removed.ForEach(s => result.Remove(s));
//计算排序
var keys = key.Split(_keySplit, StringSplitOptions.RemoveEmptyEntries);
result.ForEach(s => ((ResourceInfo)s).MatchWeight = keys.Count(x => s.Title.IndexOf(x, StringComparison.OrdinalIgnoreCase) != -1));
}
void LoadCore()
{
var page = _lastLoadPage;
var option = Context.Instance.Options;
var pagecount = option.LoadPages;
var keys = _lastSearchKey.Split(new[] { ' ', ',', '.', ' ', '/', '\\', '-' }, StringSplitOptions.RemoveEmptyEntries);
_result = _result ?? new List <ITorrentResourceInfo>();
for (var i = 0; i < pagecount; i++)
{
Context.Instance.Statistics.UpdateRunningStatistics(true, TorrentResourceProvider, 1, 0, 0, 0);
page++;
Invoke(new Action(() =>
{
lblSearchProgress.Text = string.Format("正在进行第 {0} 次搜索...", page);
pgSearchProgress.Maximum = pagecount;
pgSearchProgress.Value = i + 1;
}));
var list = TorrentResourceProvider.Load(_lastSearchKey, option.SortType, option.SortDirection, option.PageSize, page);
if (list == null)
{
Context.Instance.Statistics.UpdateRunningStatistics(true, TorrentResourceProvider, 0, 0, 0, 1);
_lastLoadPage = page - 1;
//失败。。。
throw new LoadFailedException();
}
//挂起排序？
_sorter.SuspendSort = list.SortType != null;
Context.Instance.Statistics.UpdateRunningStatistics(true, TorrentResourceProvider, 0, 0, 1, 0);
var validItems = list.Where(s => !Context.Instance.Options.StrictFilter || keys.Any(x => s.Title.Contains(x, StringComparison.OrdinalIgnoreCase))).ToArray();
_result.AddRange(validItems);
_lastResultGroup = list;
Invoke(new Action(() => AppendItems(validItems)));
_lastLoadPage = page;
if (list.Count == 0 || !list.HasMore)
{
//没有资源
break;
}
}
}
/// <summary>
/// 资源已处理，准备供显示
/// </summary>
/// <param name="items"></param>
public void ResourcesFetched(IResourceSearchInfo items)
{
var processors = AppContext.Instance.ResourceProcessors;
if (processors == null)
{
return;
}
foreach (var processor in processors)
{
try
{
processor.ResourcesFetched(items);
}
catch (Exception ex)
{
Trace.TraceError(ex.ToString());
}
}
}
public void VerifyState_Sync(IResourceSearchInfo infos)
{
//先自动判定
AppContext.Instance.SecurityCheck.Check(infos);
}
/// <summary>
/// 同步资源信息以及填充资源预览信息。
/// </summary>
/// <param name="infos"></param>
public void PreviewInfo_Sync(IResourceSearchInfo infos)
{
var types = infos.GroupBy(s => s.ResourceType);
//按照资源类型分组以便于查询
List <IResourceInfo> updatablePreviewInfo = new List <IResourceInfo>();
HashSet <IResourceInfo> noValidInfo = new HashSet <IResourceInfo>();
foreach (var resourceType in types)
{
var hashes = resourceType.Where(s => s.IsHashLoaded).Select(s => s.Hash).ToArray();
if (hashes.IsEmpty())
{
continue;
}
//加载资源预览信息
var data = PreviewInfo_Load(resourceType.Key, hashes);
foreach (var resinfo in resourceType)
{
//信息没加载完全，则跳过
if (!resinfo.IsHashLoaded)
{
resinfo.DetailLoaded += (s, e) =>
{
PreviewInfo_Sync(new ResourceSearchInfo(infos.Provider)
{
s as IResourceInfo
});
};
continue;
}
var info = data.FirstOrDefault(s => s.PreviewSource == resinfo.Provider.Info.Name && s.Hash == resinfo.Hash && s.SType == resinfo.ResourceType);
var type = resinfo.SupportPreivewType;
//如果没有预览信息，且现在有新的预览信息
if (info == null && type != PreviewType.None && resinfo.PreviewInfo != null)
{
Trace.TraceInformation($"[DB] Insert preview info. Hash={resinfo.Hash}, Engine={resinfo.Provider.Info.Name}");
//INSERT
_connection.Execute("INSERT INTO PreviewInfo (SType, Hash,PreviewSource,PreviewType, WebUrl, ImageUrl, Description, LastUsed, HitCount) VALUES (@stype, @hash, @source, @previewType, @weburl, @imageurl, @desc, datetime('now'), 1)",
new
{
stype = (int)resourceType.Key,
hash = resinfo.Hash,
source = resinfo.Provider.Info.Name,
previewType = (int)type,
weburl = resinfo.PreviewInfo.WebUrl,
imageurl = resinfo.PreviewInfo.ImageUrl,
desc = resinfo.PreviewInfo.Description
});
updatablePreviewInfo.Add(resinfo);
}
else if (info != null && resinfo.PreviewInfo != null && type != PreviewType.None && (resinfo.PreviewInfo.WebUrl != info.WebUrl || resinfo.SupportPreivewType != type || resinfo.PreviewInfo.ImageUrl != info.ImageUrl || resinfo.PreviewInfo.Description != info.Description))
{
Trace.TraceInformation($"[DB] Update preview info. Hash={resinfo.Hash}, Engine={resinfo.Provider.Info.Name}");
//已有预览信息，且现在也有预览信息，且不一样，则更新
_connection.Execute("UPDATE PreviewInfo SET PreviewType=@previewType, WebUrl=@weburl, ImageUrl=@imageurl, Description=@desc, HitCount=HitCount+1, LastUsed=datetime('now') WHERE SType=@stype AND Hash=@hash AND PreviewSource=@source",
new
{
stype = (int)resourceType.Key,
hash = resinfo.Hash,
source = resinfo.Provider.Info.Name,
previewType = (int)type,
weburl = resinfo.PreviewInfo.WebUrl,
imageurl = resinfo.PreviewInfo.ImageUrl,
desc = resinfo.PreviewInfo.Description
});
updatablePreviewInfo.Add(resinfo);
}
else if (info != null && info.PreviewType != resinfo.SupportPreivewType && resinfo.SupportPreivewType == PreviewType.None)
{
Trace.TraceInformation($"[DB] Remove preview info. Hash={info.Hash}, Engine={resinfo.Provider.Info.Name}");
//DELETE
_connection.Execute("DELETE FROM PreviewInfo WHERE SType=@stype AND Hash=@hash AND Source=@source", new
{
stype = (int)resourceType.Key,
hash = resinfo.Hash,
source = resinfo.Provider.Info.Name
});
}
else if (info != null && resinfo.SupportPreivewType != PreviewType.None && resinfo.PreviewInfo == null)
{
//set cached preview info.
resinfo.PreviewInfo = info;
}
resinfo.PreviewInfo = resinfo.PreviewInfo ?? info;
resinfo.SupportPreivewType = info?.PreviewType ?? resinfo.SupportPreivewType;
//如果不支持预览或没有加载预览信息，则查找是否有相同的预览信息
if (resinfo.PreviewInfo == null)
{
info = data.FirstOrDefault(s => s.Hash == resinfo.Hash && s.SType == resinfo.ResourceType && s.PreviewSource != "");
resinfo.PreviewInfo = resinfo.PreviewInfo ?? info;
resinfo.SupportPreivewType = info?.PreviewType ?? 0;
}
if (resinfo.PreviewInfo == null && data.Any(s => s.Hash == resinfo.Hash && s.SType == resinfo.ResourceType && s.PreviewSource == ""))
{
resinfo.SupportPreivewType = PreviewType.None;
noValidInfo.Add(resinfo);
}
resinfo.PreviewInfoLoaded += (s, e) =>
{
PreviewInfo_Sync(new ResourceSearchInfo(infos.Provider)
{
s as IResourceInfo
});
};
}
}
}
