public JsonResult AddKeywords(string keywords)
{
if (string.IsNullOrEmpty(keywords))
{
return(Json(ErrorModel.InputError));
}
var model = new TraficKeywords
{
Keywords = keywords
};
var keywordsBll = new TraficKeywordsBll();
keywordsBll.Insert(model);
if (model.Id > 0)
{
DataUpdateLog.SingleUpdate(typeof(TraficKeywords).Name, model.Id, DataUpdateType.Insert);
SearchHelper.AddSearchTask(2, model.Id);
return(Json(ErrorModel.OperateSuccess));
}
return(Json(ErrorModel.OperateFailed));
}
/// <summary>
/// 当新增搜索结果时，将其写入对应关键字的搜索结果文件中（每个关键字对应一个搜索结果文件）
/// </summary>
/// <param name="keywords"></param>
/// <param name="results"></param>
private static void UpdateTraficKeywordsSearchResult(TraficKeywords keywords, IEnumerable <TraficSearchResult> results)
{
EnsureSearchResultFileExists(keywords);
var filename = PathExtension.MapPath(keywords.ResultPath);
var seperator = "Guoli.Admin.SearchHelper.Seperator";
using (var fs = new FileStream(filename, FileMode.Append, FileAccess.Write))
{
using (var writer = new StreamWriter(fs, Encoding.UTF8))
{
foreach (var r in results)
{
var json = JsonHelper.Serialize(r);
writer.Write(json);
writer.Write(seperator);
}
}
}
DataUpdateLog.SingleUpdate(nameof(TraficKeywords), keywords.Id, DataUpdateType.Update);
}
private static void EnsureSearchResultFileExists(TraficKeywords keywords)
{
if (keywords.ResultPath.IsNullOrEmpty())
{
var d = DateTime.Now;
var relativePath = $"{AppSettings.SearchResults}/{d.ToString("yyyy-MM-dd")}";
var absolutePath = PathExtension.MapPath(relativePath);
if (!Directory.Exists(absolutePath))
{
Directory.CreateDirectory(absolutePath);
}
keywords.ResultPath = $"{relativePath}/{Guid.NewGuid()}";
}
var filename = PathExtension.MapPath(keywords.ResultPath);
if (!File.Exists(filename))
{
File.Create(filename);
}
}
/// <summary>
/// 将搜索结果插入数据库
/// </summary>
private static void SearchResultEnqueue(Dictionary <string, string> searchResult, int fileId, TraficKeywords keywords)
{
lock (_lockObj)
{
var results = new List <TraficSearchResult>();
foreach (var pair in searchResult)
{
var res = new TraficSearchResult
{
KeywordsId = keywords.Id,
TraficFileId = fileId,
SearchResult = pair.Value,
Position = pair.Key
};
results.Add(res);
searchResultQueue.Enqueue(res);
}
UpdateTraficKeywordsSearchResult(keywords, results);
}
}