public List<SalesLead> ConvertToType(string filePath)
{
List<SalesLead> salesLeads = new List<SalesLead>();
using (ICsvParser csvParser = _csvReaderFactory.CreateCsvParser(filePath))
{
Row row = new Row();
int rowNumber = 1;
try
{
row.RowNumber = rowNumber;
while (csvParser.ReadRow(row))
{
try
{
AddUpdateSalesLead(ref salesLeads, row, rowNumber);
rowNumber++;
row.RowNumber = rowNumber;
}
catch (InvalidRowInputException invalidRowException)
{
if (invalidRowException.InvalidColumns.Count > 0)
{
PrintInvalidRowMessage(invalidRowException, rowNumber);
}
else
{
Console.WriteLine(invalidRowException.Message);
}
return null;
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return null;
}
}
}
catch (InvalidRowInputException invalidRowException)
{
Console.WriteLine("Row {0} contains no data. Please make sure the csv file has been formatted correctly.", rowNumber);
return null;
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
return null;
}
}
if (salesLeads.Count > 0)
{
salesLeads.ForEach(sl => sl.EventScoreSum = sl.EventScores.Sum(es => es.WeightedScore));
double min = salesLeads.Min(x => x.EventScoreSum);
double max = salesLeads.Max(x => x.EventScoreSum);
foreach (SalesLead sl in salesLeads)
{
sl.EventScoreNormalized = _salesLeadCalculationUtils.CalculateNormalizedValue(min, max, sl.EventScoreSum);
sl.ContactQuartile = _salesLeadCalculationUtils.DetermineQuartile(sl.EventScoreNormalized);
}
}
return salesLeads.OrderBy(x => x.ContactId).ToList();
}
public bool ReadRow(Row row)
{
row.LineStr = ReadLine();
if (String.IsNullOrEmpty(row.LineStr))
{
if (row.RowNumber < _totalRows)
{
throw new InvalidRowInputException("Row is empty");
}
return false;
}
int position = 0;
int rows = 0;
while (position < row.LineStr.Length)
{
string value;
if (row.LineStr[position] == '"')
{
position++;
int start = position;
while (position < row.LineStr.Length)
{
if (row.LineStr[position] == '"')
{
position++;
if (position >= row.LineStr.Length || row.LineStr[position] != '"')
{
position--;
break;
}
}
position++;
}
value = row.LineStr.Substring(start, position - start);
value = value.Replace("\"\"", "\"");
}
else
{
int start = position;
while (position < row.LineStr.Length && row.LineStr[position] != ',')
position++;
value = row.LineStr.Substring(start, position - start);
}
if (rows < row.Columns.Count)
{
row.Columns[rows] = value;
}
else
{
row.Columns.Add(value);
}
rows++;
while (position < row.LineStr.Length && row.LineStr[position] != ',')
position++;
if (position < row.LineStr.Length) position++;
}
while (row.Columns.Count > rows) row.Columns.RemoveAt(rows);
return (row.Columns.Count > 0);
}
private void AddUpdateSalesLead(ref List<SalesLead> salesLeads, Row row, int rowNumber)
{
SalesLead salesLead = new SalesLead();
if (row.Columns.Count == 3)
{
int contactId;
bool contactIdValid = int.TryParse(row.Columns[0], out contactId);
EventType eventType;
bool eventTypeValid = _eventTypeConverter.TryParseString(row.Columns[1], out eventType);
double score;
bool scoreValid = double.TryParse(row.Columns[2], out score);
if (!contactIdValid || !eventTypeValid || !scoreValid)
{
List<int> invalidColumns = new List<int>(3);
if (!contactIdValid) invalidColumns.Add(1);
if (!eventTypeValid) invalidColumns.Add(2);
if (!scoreValid) invalidColumns.Add(3);
throw new InvalidRowInputException(invalidColumns);
}
SalesLead existing = salesLeads.FirstOrDefault(sl => sl.ContactId == contactId);
if (existing == null)
{
salesLead.ContactId = contactId;
salesLead.EventScores = new List<EventScore>
{
new EventScore
{
Type = eventType,
Score = score,
WeightedScore = _salesLeadCalculationUtils.CalculateWeightedValue(eventType, score)
}
};
salesLeads.Add(salesLead);
}
else
{
existing.EventScores.Add(new EventScore
{
Type = eventType,
Score = score,
WeightedScore = _salesLeadCalculationUtils.CalculateWeightedValue(eventType, score)
});
}
}
else
{
throw new InvalidRowInputException("Invalid number of columns for row " + rowNumber + ". " +
"Each row must contain comma separated columns for " +
"contactId, event, and score.");
}
}