/// <summary>
/// Reads a row of data from a CSV file
/// </summary>
/// <param name="row"></param>
/// <returns></returns>
public bool ReadRow(CsvRow row)
{
row.LineText = ReadLine();
if (String.IsNullOrEmpty(row.LineText))
{
return(false);
}
if (row.LineText.IndexOf("{\"message\":{\"buyPrice\":") != -1)
// Firehose dump file
{
List <string> splitRow = Routines.SplitCSV(row.LineText, ',');
/* Sample Result:
* 0 {"message":{"buyPrice":0.0
* 1 categoryName:"metals"
* 2 demand:2519
* 3 demandLevel:2
* 4 itemName:"gold"
* 5 sellPrice:9898.0
* 6 stationName:"Tilian (Maunder's Hope)"
* 7 stationStock:0
* 8 stationStockLevel:0
* 9 timestamp:"2014-09-12T20:47:58.999000+00:00"}
* 10 sender:"YJZ4oHnx89PNiFHb0UBKDgAdP3bo/p34XS0wbQUJ1VQ="
* 11 signature:"TIM5qsL4Yh7pfV7b8u4xm5ryB0b3NYTZj8y+oLxrAM49cOrDPICPi18oIuN+tkWDE4T50gqPkGiXvQCa35yiCw=="
* 12 type:"marketquote"
* 13 version:"0.1"}
*/
for (int i = 0; i < splitRow.Count - 1; i++)
{
splitRow[i] = superTrim(splitRow[i], i == 0);
}
// Old CSV MarketDump format:
/*
* 0 buyPrice
* 1 sellPrice
* 2 demand
* 3 demandLevel
* 4 stationStock
* 5 stationStockLevel
* 6 categoryName
* 7 itemName
* 8 stationName
* 9 timestamp
*/
while (row.Count < 10)
{
row.Add(" ");
}
row[0] = splitRow[0];
row[1] = splitRow[5];
row[2] = splitRow[2];
row[3] = splitRow[3];
row[4] = splitRow[7];
row[5] = splitRow[8];
row[6] = splitRow[1];
row[7] = splitRow[4];
row[8] = splitRow[6];
row[9] = splitRow[9];
}
else
// Classic CSV
{
int pos = 0;
int rows = 0;
while (pos < row.LineText.Length)
{
string value;
// Special handling for quoted field
if (row.LineText[pos] == '"')
{
// Skip initial quote
pos++;
// Parse quoted value
int start = pos;
while (pos < row.LineText.Length)
{
// Test for quote character
if (row.LineText[pos] == '"')
{
// Found one
pos++;
// If two quotes together, keep one
// Otherwise, indicates end of value
if (pos >= row.LineText.Length || row.LineText[pos] != '"')
{
pos--;
break;
}
}
pos++;
}
value = row.LineText.Substring(start, pos - start);
value = value.Replace("\"\"", "\"");
}
else
{
// Parse unquoted value
int start = pos;
while (pos < row.LineText.Length && row.LineText[pos] != ',')
{
pos++;
}
value = row.LineText.Substring(start, pos - start);
}
// Add field to list
if (rows < row.Count)
{
row[rows] = value;
}
else
{
row.Add(value);
}
rows++;
// Eat up to and including next comma
while (pos < row.LineText.Length && row.LineText[pos] != ',')
{
pos++;
}
if (pos < row.LineText.Length)
{
pos++;
}
}
// Delete any unused items
while (row.Count > rows)
{
row.RemoveAt(rows);
}
}
// Return true if any columns read
return(row.Count > 0);
}
public csvData(string filename)
{
stations = new List <Station>();
using (CsvFileReader reader = new CsvFileReader(filename))
{
int ii, jj = 0, kk;
bool isStationNew = true,
isCommoditynew = true;
CsvRow row = new CsvRow();
// discard titles
//reader.ReadRow(row);
// get the data from the csv file
while (reader.ReadRow(row) && row[0] != "buyPrice") // <= Discard Title row here
{
// check if station has already been added...
ii = 0;
if (stations.Count > 0)
{
foreach (Station s in stations)
{
isStationNew = s.CompleteName.CompareTo(row[8]) != 0;
if (!isStationNew)
{
break;
}
ii++;
}
}
// ...if the station is new...
if (isStationNew)
{
// ...add a new station and commodity...
stations.Add(new Station());
stations[ii].Commodities.Add(new Commodity());
// ...name the station...
stations[ii].CompleteName = row[8];
// Possible station/system name combination
// check and process.
if (stations[ii].CompleteName.IndexOf("(") != -1 &&
stations[ii].CompleteName.IndexOf(")") != -1 &&
stations[ii].CompleteName.IndexOf("(") < stations[ii].CompleteName.IndexOf(")"))
{
// Extract System name
var systemName = stations[ii].CompleteName.Substring(0, stations[ii].CompleteName.IndexOf('(')).Trim();
// Extract Station name
var stationName = stations[ii].CompleteName.Substring(
stations[ii].CompleteName.IndexOf('(') + 1,
stations[ii].CompleteName.IndexOf(')') - (stations[ii].CompleteName.IndexOf('(') + 1)
).Trim();
stations[ii].SystemName = systemName;
stations[ii].Name = stationName;
}
// ...and reset the commodity iterator...
jj = 0;
// ...then add the commodity data in that row...
stations[ii].Commodities[jj].Name = row[7];
stations[ii].Commodities[jj].BuyPrice = Convert.ToDecimal(row[0]);
stations[ii].Commodities[jj].SellPrice = Convert.ToDecimal(row[1]);
stations[ii].Commodities[jj].Supply = Convert.ToDecimal(row[4]);
stations[ii].Commodities[jj].LastUpdated = Convert.ToDateTime(row[9]);
// ...finally set the check to false and iterate station
isStationNew = false;
//ii++;
}
// ...if the station is old...
else
{
// ...then set the station...
//kk = ii - 1;
kk = ii;
// ...and check if the commodity is new...
jj = 0;
foreach (Commodity c in stations[kk].Commodities)
{
isCommoditynew = c.Name.CompareTo(row[7]) != 0;
if (!isCommoditynew)
{
break;
}
jj++;
}
// ...if it is new then added it to the station...
if (isCommoditynew)
{
// ...then add a new commodity...
stations[kk].Commodities.Add(new Commodity());
// ...fill it with data...
stations[kk].Commodities[jj].Name = row[7];
stations[kk].Commodities[jj].BuyPrice = Convert.ToDecimal(row[0]);
stations[kk].Commodities[jj].SellPrice = Convert.ToDecimal(row[1]);
stations[kk].Commodities[jj].Supply = Convert.ToDecimal(row[4]);
stations[kk].Commodities[jj].LastUpdated = Convert.ToDateTime(row[9]);
// ...and increment the commodity iterator
jj++;
}
// ...if it isn't new check it's timestamp...
else if (stations[kk].Commodities[jj].LastUpdated < Convert.ToDateTime(row[9]))
{
// ...and fill it with data
stations[kk].Commodities[jj].Name = row[7];
stations[kk].Commodities[jj].BuyPrice = Convert.ToDecimal(row[0]);
stations[kk].Commodities[jj].SellPrice = Convert.ToDecimal(row[1]);
stations[kk].Commodities[jj].Supply = Convert.ToDecimal(row[4]);
stations[kk].Commodities[jj].LastUpdated = Convert.ToDateTime(row[9]);
}
}
}
}
}
