public ActionResult Result(LibrarySearchOption option)
{
option.PageSize = 50;
ViewData["Keyword"] = option.Keyword;
ViewData["Page"] = option.Page;
return View();
}
bool turnPage(LibrarySearchOption option, int targetPage, out string errMsg)
{
errMsg = null;
if (option.PageCount == -1)
{
errMsg = "上次查询结果正在构建中，请发送.r重试";
return(false);
}
else
{
if (targetPage < 1)
{
errMsg = "前面没有结果了";
return(false);
}
else if (targetPage > option.PageCount)
{
errMsg = "后面没有结果了";
return(false);
}
else
{
option.Page = targetPage;
return(true);
}
}
}
private string getSearchUrl(LibrarySearchOption option)
{
var encodedKeyword = HttpUtility.UrlEncode(option.Keyword, System.Text.Encoding.GetEncoding("GB2312"));
var url = String.Format("http://222.200.98.171:81/searchresult.aspx?dt=0&sf=M_PUB_YEAR&ob=DESC&sm=table&anywords={0}&dept={1}&cl={2}&page={3}&dp={4}",
encodedKeyword, option.DeptPlace, option.Language, option.Page, option.PageSize);
return(url);
}
private void openNewSearch(string user, string msg, out LibrarySearchOption option)
{
option = new LibrarySearchOption
{
User = user,
Keyword = msg,
Page = 1
};
mCache[user] = option;
}
public bool OnMessage(string user, string msg, out LibrarySearchOption option, out string errMsg)
{
errMsg = null;
option = null;
int quickPage;
bool isQuickPageMsg = isQuickPage(msg, out quickPage);
mCache.TryGetValue(user, out option);
if (option == null)
{
if (msg == ".r" || msg == ".n" || msg == ".p" || isQuickPageMsg)
{
errMsg = "没有相应的记录，请重新发送关键字搜索";
return(false);
}
else
{
openNewSearch(user, msg, out option);
return(true);
}
}
else
{
int targePage = -1;
if (msg == ".r")
{
return(true);
}
else if (msg == ".n")
{
targePage = option.Page + 1;
}
else if (msg == ".p")
{
targePage = option.Page - 1;
}
else if (isQuickPageMsg)
{
targePage = quickPage;
}
else
{
openNewSearch(user, msg, out option);
return(true);
}
return(turnPage(option, targePage, out errMsg));
}
}
public bool OnMessage(string user, string msg, out LibrarySearchOption option, out string errMsg)
{
errMsg = null;
option = null;
int quickPage;
bool isQuickPageMsg = isQuickPage(msg, out quickPage);
mCache.TryGetValue(user, out option);
if (option == null)
{
if (msg == ".r" || msg == ".n" || msg == ".p" || isQuickPageMsg)
{
errMsg = "没有相应的记录，请重新发送关键字搜索";
return false;
}
else
{
openNewSearch(user, msg, out option);
return true;
}
}
else
{
int targePage = -1;
if (msg == ".r")
{
return true;
}
else if (msg == ".n")
{
targePage = option.Page + 1;
}
else if (msg == ".p")
{
targePage = option.Page - 1;
}
else if (isQuickPageMsg)
{
targePage = quickPage;
}
else
{
openNewSearch(user, msg, out option);
return true;
}
return turnPage(option, targePage, out errMsg);
}
}
public bool Search(LibrarySearchOption option, out LibrarySearchResult result)
{
/*
#if DEBUG
* result = getLocalResult();
* result.ResultCount = expectedCount;
* if (pageIndex < expectedCount / option.PageSize)
* {
* pageIndex++;
* result.Books = result.Books.GetRange(0, option.PageSize);
* }
* else
* {
* result.Books = result.Books.GetRange(0, expectedCount - pageIndex * option.PageSize);
* }
* return true;
#endif
*/
List <Book> books = null;
int pageCount = 0;
int resultCount = 0;
var url = getSearchUrl(option);
try
{
var request = WebRequest.Create(url) as HttpWebRequest;
Stream stream = (request.GetResponse() as HttpWebResponse).GetResponseStream();
Parse(stream, out books, out pageCount, out resultCount);
result = new LibrarySearchResult
{
Books = books,
PageCount = pageCount,
ResultCount = resultCount,
Error = null
};
return(true);
}
catch (WebException e)
{
result = new LibrarySearchResult
{
Error = e
};
return(false);
}
}
public string GetRspForSearch(HttpSessionStateBase session, HttpRequestBase request, LibrarySearchOption option)
{
WeixinResponse rsp = null;
object error;
var libStopwatch = Stopwatch.StartNew();
var result = Library.GetInstance().SearchBooksFor(session, option, out error);
if (error == null)
{
libStopwatch.Stop();
rsp = LibrarySearchResponse.Create(request, result);
ApplicationLogger.GetLogger().Info(String.Format("(" + session.SessionID + ")"
+ "search library with " + option.Keyword + " consume " + libStopwatch.ElapsedMilliseconds));
}
else
{
rsp = new TextResponse(option.User, String.Format("查询出错： {0}", error));
}
return rsp.ToString();
}
public LibrarySearchResultRecord SearchBooksFor(HttpSessionStateBase session, LibrarySearchOption option, out object error)
{
error = null;
var user = option.User;
var keyword = option.Keyword;
var page = option.Page;
LibrarySearchResultRecord cached;
if ((cached = mResultCache.Try2Hit(keyword, page)) != null)
{
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" + keyword + " " + page + " hited");
option.PageCount = cached.PageCount;
return(cached);
}
option = option == null ? DEFAULT : option;
LibrarySearchResult result;
if (Search(option, out result))
{
cached = new LibrarySearchResultRecord
{
Keyword = keyword,
User = user,
Books = result.Books,
PageCount = result.PageCount,
CurrentPage = option.Page
};
//记录查询结果的总页数
option.PageCount = result.PageCount;
mResultCache.Push(cached);
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" +
"push cache: " + keyword + " " + page + " current cache count: " + mResultCache.Count);
return(cached);
}
else
{
return(null);
}
}
public string GetRspForSearch(HttpSessionStateBase session, HttpRequestBase request, LibrarySearchOption option)
{
WeixinResponse rsp = null;
object error;
var libStopwatch = Stopwatch.StartNew();
var result = Library.GetInstance().SearchBooksFor(session, option, out error);
if (error == null)
{
libStopwatch.Stop();
rsp = LibrarySearchResponse.Create(request, result);
ApplicationLogger.GetLogger().Info(String.Format("(" + session.SessionID + ")"
+ "search library with " + option.Keyword + " consume " + libStopwatch.ElapsedMilliseconds));
}
else
{
rsp = new TextResponse(option.User, String.Format("查询出错： {0}", error));
}
return(rsp.ToString());
}
private void openNewSearch(string user, string msg, out LibrarySearchOption option)
{
option = new LibrarySearchOption
{
User = user,
Keyword = msg,
Page = 1
};
mCache[user] = option;
}
bool turnPage(LibrarySearchOption option, int targetPage, out string errMsg)
{
errMsg = null;
if (option.PageCount == -1)
{
errMsg = "上次查询结果正在构建中，请发送.r重试";
return false;
}
else
{
if (targetPage < 1)
{
errMsg = "前面没有结果了";
return false;
}
else if (targetPage > option.PageCount)
{
errMsg = "后面没有结果了";
return false;
}
else
{
option.Page = targetPage;
return true;
}
}
}
private string getSearchUrl(LibrarySearchOption option)
{
var encodedKeyword = HttpUtility.UrlEncode(option.Keyword, System.Text.Encoding.GetEncoding("GB2312"));
var url = String.Format("http://222.200.98.171:81/searchresult.aspx?dt=0&sf=M_PUB_YEAR&ob=DESC&sm=table&anywords={0}&dept={1}&cl={2}&page={3}&dp={4}",
encodedKeyword, option.DeptPlace, option.Language, option.Page, option.PageSize);
return url;
}
public LibrarySearchResultRecord SearchBooksFor(HttpSessionStateBase session, LibrarySearchOption option, out object error)
{
error = null;
var user = option.User;
var keyword = option.Keyword;
var page = option.Page;
LibrarySearchResultRecord cached;
if ((cached = mResultCache.Try2Hit(keyword, page)) != null)
{
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" + keyword + " " + page + " hited");
option.PageCount = cached.PageCount;
return cached;
}
option = option == null ? DEFAULT : option;
LibrarySearchResult result;
if (Search(option, out result))
{
cached = new LibrarySearchResultRecord
{
Keyword = keyword,
User = user,
Books = result.Books,
PageCount = result.PageCount,
CurrentPage = option.Page
};
//记录查询结果的总页数
option.PageCount = result.PageCount;
mResultCache.Push(cached);
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" +
"push cache: " + keyword + " " + page + " current cache count: " + mResultCache.Count);
return cached;
}
else
{
return null;
}
}
public bool Search(LibrarySearchOption option, out LibrarySearchResult result)
{
/*
#if DEBUG
result = getLocalResult();
result.ResultCount = expectedCount;
if (pageIndex < expectedCount / option.PageSize)
{
pageIndex++;
result.Books = result.Books.GetRange(0, option.PageSize);
}
else
{
result.Books = result.Books.GetRange(0, expectedCount - pageIndex * option.PageSize);
}
return true;
#endif
*/
List<Book> books = null;
int pageCount = 0;
int resultCount = 0;
var url = getSearchUrl(option);
try
{
var request = WebRequest.Create(url) as HttpWebRequest;
Stream stream = (request.GetResponse() as HttpWebResponse).GetResponseStream();
Parse(stream, out books, out pageCount, out resultCount);
result = new LibrarySearchResult
{
Books = books,
PageCount = pageCount,
ResultCount = resultCount,
Error = null
};
return true;
}
catch(WebException e)
{
result = new LibrarySearchResult
{
Error = e
};
return false;
}
}
public LibrarySearchResult SearchBooksFor(HttpSessionStateBase session, LibrarySearchOption option, out object error)
{
error = null;
var user = option.User;
var keyword = option.Keyword;
var page = option.Page;
LibrarySearchResult cached;
if ((cached = mResultCache.Try2Hit(keyword, page)) != null)
{
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" + keyword + " " + page + " hited");
option.PageCount = cached.PageCount;
return cached;
}
option = option == null ? DEFAULT : option;
var url = getSearchUrl(keyword, option);
try
{
var request = WebRequest.Create(url) as HttpWebRequest;
Stream stream = (request.GetResponse() as HttpWebResponse).GetResponseStream();
List<Book> books = null;
int pageCount = 0;
Parse(stream, out books, out pageCount);
cached = new LibrarySearchResult
{
Keyword = keyword,
User = user,
Books = books,
MoreUrl = url,
PageCount = pageCount,
CurrentPage = option.Page
};
//记录查询结果的总页数
option.PageCount = pageCount;
mResultCache.Push(cached);
ApplicationLogger.GetLogger().Info("(" + session.SessionID + ")" +
"push cache: " + keyword + " " + page + " current cache count: " + mResultCache.Count);
return cached;
}
catch (WebException e)
{
error = e;
return null;
}
}