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#include "stdafx.h"
#include "QuotesProviderYahoo.h"
#include "QuotesProviderVisitor.h"
#include "ModuleInfo.h"
#include "DBUtils.h"
#include "EconomicRateInfo.h"
#include "HTTPSession.h"
namespace
{
void remove_quotes(tstring& s)
{
if (*s.begin() == _T('"'))
{
s.erase(s.begin());
}
if (*s.rbegin() == _T('"'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
}
void remove_end_of_line(tstring& s)
{
if (*s.rbegin() == _T('\n'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
if (*s.rbegin() == _T('\r'))
{
tstring::iterator i(s.begin());
std::advance(i,s.size()-1);
s.erase(i);
}
}
bool t2d(const tstring& s,double& d)
{
tistringstream stream(s);
stream >> d;
return ((false == stream.fail()) && (false == stream.bad()));
// try
// {
// d = boost::lexical_cast<double>(s);
// return true;
// }
// catch(boost::bad_lexical_cast& e)
// {
// }
// return false;
}
typedef std::vector<tstring> TStrings;
bool get_double_from_parsed_line(HANDLE hContact,const TStrings& rasParsedLine,size_t nIndex,const char* pszDbName)
{
if(rasParsedLine.size() > nIndex)
{
double d = 0.0;
if(true == t2d(rasParsedLine[nIndex],d))
{
return Quotes_DBWriteDouble(hContact,QUOTES_MODULE_NAME,pszDbName,d);
}
}
DBWriteContactSettingTString(hContact,QUOTES_MODULE_NAME,pszDbName,_T(""));
return false;
}
}
void CQuotesProviderYahoo::RefreshQuotes(TContracts& anContacts)
{
tstring sURL = GetURL();
bool bUseExtendedStatus = CModuleInfo::GetInstance().GetExtendedStatusFlag();
typedef std::map<tstring,HANDLE> TQuoteID2ContractHandles;
TQuoteID2ContractHandles aQuoteID2Handles;
tostringstream oURL;
oURL << sURL << _T("dioksin.txt?s=");
for(TContracts::const_iterator i = anContacts.begin();i != anContacts.end() && IsOnline();++i)
{
HANDLE hContact = *i;
if(bUseExtendedStatus)
{
SetContactStatus(hContact,ID_STATUS_OCCUPIED);
}
tstring sQuoteID = Quotes_DBGetStringT(hContact,QUOTES_MODULE_NAME,DB_STR_QUOTE_ID);
aQuoteID2Handles[sQuoteID] = hContact;
if(i != anContacts.begin())
{
oURL << _T("+");
}
oURL << sQuoteID;
}
if(true == IsOnline())
{
oURL << _T("&f=snl1ohgpc1");
CHTTPSession http;
if ((true == http.OpenURL(oURL.str())) && (true == IsOnline()))
{
tstring sFile;
if ((true == http.ReadResponce(sFile)) && (true == IsOnline()))
{
tistringstream out_str(sFile.c_str());
while(false == out_str.eof())
{
tstring sLine;
std::getline(out_str,sLine);
if(false == sLine.empty())
{
remove_end_of_line(sLine);
TStrings asStrings;
for(tstring::size_type nPos = sLine.find(_T(','));nPos != tstring::npos; nPos = sLine.find(_T(',')))
{
tstring::iterator i(sLine.begin());
std::advance(i,nPos);
tstring s(sLine.begin(),i);
remove_quotes(s);
asStrings.push_back(s);
if(i != sLine.end())
{
std::advance(i,1);
}
sLine.erase(sLine.begin(),i);
}
if(false == sLine.empty())
{
remove_quotes(sLine);
if(false == sLine.empty())
asStrings.push_back(sLine);
}
size_t cItems = asStrings.size();
if(cItems >= 3)
{
enum
{
indexSymbol = 0,
indexName,
indexLastTrade,
indexOpen,
indexDayHigh,
indexDayLow,
indexPreviousClose,
indexChange
};
auto it3 = aQuoteID2Handles.find(asStrings[indexSymbol]);
if(it3 != aQuoteID2Handles.end())
{
HANDLE hContact = it3->second;
double dRate = 0.0;
if(true == t2d(asStrings[indexLastTrade],dRate))
{
DBWriteContactSettingTString(hContact,QUOTES_MODULE_NAME,DB_STR_QUOTE_DESCRIPTION,asStrings[indexName].c_str());
get_double_from_parsed_line(hContact,asStrings,indexOpen,DB_STR_YAHOO_OPEN_VALUE);
get_double_from_parsed_line(hContact,asStrings,indexDayHigh,DB_STR_YAHOO_DAY_HIGH);
get_double_from_parsed_line(hContact,asStrings,indexDayLow,DB_STR_YAHOO_DAY_LOW);
get_double_from_parsed_line(hContact,asStrings,indexPreviousClose,DB_STR_YAHOO_PREVIOUS_CLOSE);
get_double_from_parsed_line(hContact,asStrings,indexChange,DB_STR_YAHOO_CHANGE);
WriteContactRate(hContact,dRate);
aQuoteID2Handles.erase(it3);
}
}
}
}
}
}
}
if(true == IsOnline())
{
std::for_each(aQuoteID2Handles.begin(),aQuoteID2Handles.end(),
[](const TQuoteID2ContractHandles::value_type& pair){SetContactStatus(pair.second,ID_STATUS_NA);});
}
}
}
void CQuotesProviderYahoo::Accept(CQuotesProviderVisitor& visitor)const
{
CQuotesProviderFinance::Accept(visitor);
visitor.Visit(*this);
}
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