public List<dateData> LoadHistory_DB(Quote q)
{
List<dateData> dataList = new List<dateData>();
string tblNm = GetTableNameHistory_DB(q);
if (!TableExist(tblNm))
return dataList;
SqliteConnection conn = null;
string sql = "";
try {
conn = new SqliteConnection(souce);
conn.Open();
SqliteCommand cmd = conn.CreateCommand();
sql = "select date, volume, open, high, low, close from " + tblNm + " order by date desc;";
cmd.CommandText = sql;
SqliteDataReader rdr = cmd.ExecuteReader();
while (rdr.Read()) {
dateData dd = new dateData();
dd._date = rdr.GetInt64(0);
dd._indic._volume = rdr.GetInt64(1);
dd._price._open = rdr.GetDouble(2);
dd._price._high = rdr.GetDouble(3);
dd._price._low = rdr.GetDouble(4);
dd._price._close = rdr.GetDouble(5);
dataList.Add(dd);
}
} catch (Exception e) {
Output.LogException(" sql (" + sql + ") error : " + e.Message);
}
if (conn != null)
conn.Close();
return dataList;
}
protected override List<dateData> DoGetHistory(string code4src, date date_from, date date_to)
{
Login_UsrPwd();
ConnectTable();
List<dateData> list = new List<dateData>();
try {
SetCell(code4src, date_from, date_to);
ListFeed listFeed = GetList();
foreach (ListEntry row in listFeed.Entries) {
string time = row.Elements [0].Value;
string open = row.Elements [1].Value;
string close = row.Elements [2].Value;
string high = row.Elements [3].Value;
string low = row.Elements [4].Value;
string vol = row.Elements [5].Value;
Output.Log(code4src + "|" + time + "|" + open + "|" + close + "|" + high + "|" + low + "|" + vol);
try {
dateData dd = new dateData();
string[] date_time = time.Split(" ".ToCharArray());
dd._date = Util.GetUnixTimeStamp(date_time [0]);
dd._indic._volume = long.Parse(vol);
dd._price._open = double.Parse(open);
dd._price._high = double.Parse(high);
dd._price._low = double.Parse(low);
dd._price._close = double.Parse(close);
list.Add(dd);
} catch (Exception e) {
string desc = code4src + " data from web format incorrect : " + e.Message;
Output.Log(desc);
Output.LogException(desc);
}
}
Output.Log("YAHOO get history " + code4src + " from : " + date_from + " to : " + date_to);
} catch (Exception e) {
Output.LogException("get From Google failed : " + code4src + " " + date_from + " - " + date_to + " msg : " + e.Message);
}
return list;
}
protected override List<dateData> DoGetHistory(string code4src, date date_from, date date_to)
{
string description = code4src + " from : " + date_from + " to : " + date_to;
List<dateData> list = new List<dateData>();
//long dateFrom = Util.GetUnixTimeStamp(date_from);
string URI = "";
try {
if (date_from.year == 0 || date_to.year == 0) {
//Output.Log("update quote " + code4src + " (desn't have all datas data)");
URI = @"http://ichart.finance.yahoo.com/table.csv?s=" + code4src;
} else {
//Output.Log("update quote " + code4src + " (desn't have data " + date_from + " to " + date_to + ")");
URI = @"http://ichart.finance.yahoo.com/table.csv?s=" + code4src
+ "&a=" + (date_from.month - 1)
+ "&b=" + date_from.day
+ "&c=" + date_from.year
+ "&d=" + (date_to.month - 1)
+ "&e=" + date_to.day
+ "&f=" + date_to.year;
}
//File.WriteAllText("code" + code4src + ".txt", content);
string content = WebUtil.Static.FetchWebPage(URI);
string[] lines = content.Split("\n".ToCharArray());
if(lines.Length <= 2){
Output.Log(description + " NO data, ignore content : \"" + content + "\"");
return list;
}
//titles:
lines[0] = "";
foreach (string line in lines) {
if(line.Length == 0) continue;
string[] values = line.Split(",".ToCharArray());
if (values.Length >= 5) {
dateData dt = new dateData();
dt._date = Util.GetUnixTimeStamp(values [0]);
dt._price._open = double.Parse(values [1]);
dt._price._high = double.Parse(values [2]);
dt._price._low = double.Parse(values [3]);
dt._price._close = double.Parse(values [4]);
dt._indic._volume = long.Parse(values [5]);
list.Add(dt);
}else{
Output.Log("format error, column less than 5 : \"" + line+ "\"");
}
}
Output.Log("YAHOO get history " + description);
} catch (Exception e) {
Output.LogException("Get history Error. code : " + description + "(msg : " + e.Message);
}
return list;
}
