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#include "stdafx.h"
void remove_quotes(tstring& s)
{
if (*s.begin() == '"')
s.erase(s.begin());
if (*s.rbegin() == '"') {
tstring::iterator i(s.begin());
std::advance(i, s.size() - 1);
s.erase(i);
}
}
void remove_end_of_line(tstring& s)
{
if (*s.rbegin() == '\n') {
tstring::iterator i(s.begin());
std::advance(i, s.size() - 1);
s.erase(i);
}
if (*s.rbegin() == '\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()));
}
typedef std::vector<tstring> TStrings;
bool get_double_from_parsed_line(MCONTACT 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);
}
db_set_ws(hContact, QUOTES_MODULE_NAME, pszDbName, L"");
return false;
}
void CQuotesProviderYahoo::RefreshQuotes(TContracts& anContacts)
{
tstring sURL = GetURL();
bool bUseExtendedStatus = CModuleInfo::GetInstance().GetExtendedStatusFlag();
typedef std::map<tstring, MCONTACT> TQuoteID2ContractHandles;
TQuoteID2ContractHandles aQuoteID2Handles;
tostringstream oURL;
oURL << sURL << L"dioksin.txt?s=";
for (TContracts::const_iterator i = anContacts.begin(); i != anContacts.end() && IsOnline(); ++i) {
MCONTACT 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 << L"+";
oURL << sQuoteID;
}
if (true == IsOnline()) {
oURL << L"&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(','); nPos != tstring::npos; nPos = sLine.find(',')) {
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()) {
MCONTACT hContact = it3->second;
double dRate = 0.0;
if (true == t2d(asStrings[indexLastTrade], dRate)) {
db_set_ws(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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