public Statement ExtractStatement(string filename, bool generateInterimFiles)
{
var textStream = Routines.ExtractPdfText(filename, new TextExtractStrategy());
if (generateInterimFiles)
{
Routines.WriteStreamToFile(textStream, filename + ".txt");
}
using (var textReader = new StreamReader(textStream))
{
var statement = new Statement();
var statementDateNoted = false;
while (!textReader.EndOfStream)
{
var line = textReader.ReadLine();
var items = line?.Split(new[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (!statementDateNoted && items[0].StartsWith("Statement From", StringComparison.InvariantCultureIgnoreCase))
{
var dates = items[0].Substring("Statement From ".Length).Split(new[] { " TO " }, StringSplitOptions.RemoveEmptyEntries);
if (dates.Length == 2)
{
statement.StatementDate = DateTime.Parse(dates[1]);
statementDateNoted = true;
}
}
else if (items.Length == 4 && Routines.IsNumeric(items[3]) && Routines.IsShortMonthAndDay(items[0]) && Routines.IsShortMonthAndDay(items[1])) // Process date
{
var t = new Transaction();
var tokens = items[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var month = Routines.ShortMonthToInt(tokens[0]);
var day = Routines.StrToInt(tokens[1]);
var year = statement.StatementDate.Year - ((statement.StatementDate.Month == 1 && month == 12) ? 1 : 0);
t.DateTime = new DateTime(year, month, day);
t.Description = items[2];
t.Value = -Routines.StrToNumber(items[3]);
statement.Transactions.Add(t);
}
}
return(statement);
}
}
public Statement ExtractStatement(string filename, bool generateInterimFiles)
{
var blocklist = Routines.ExtractBlockList(filename);
foreach (var blocks in blocklist)
{
// Removing barcode and code on the left side
var item1 = Routines.FindTextBlock(blocks, "Details of your account activity", Routines.TextSearchOptions.StartsWith);
if (item1 != null)
{
blocks.Where(block => block.Left < item1.Left).ToList().ForEach(block => blocks.Remove(block));
}
// Removing the numbers on the right side of the form
var item2 = Routines.FindTextBlock(blocks, "Balance ($)", Routines.TextSearchOptions.StartsWith);
if (item2 != null)
{
blocks.Where(block => block.Left > item2.Right).ToList().ForEach(block => blocks.Remove(block));
}
// Adding minus to Withdrawals
var withdrawals = Routines.FindTextBlock(blocks, "Withdrawals ($)", Routines.TextSearchOptions.ExactMatch);
if (withdrawals != null)
{
blocks.Where(block => block.Top < withdrawals.Top && Math.Abs(block.Right - withdrawals.Right) < 2).ToList().ForEach(block => block.Text = $"-{block.Text}");
}
// Removing Balance amounts
var balance = Routines.FindTextBlock(blocks, "Balance ($)", Routines.TextSearchOptions.ExactMatch);
if (balance != null)
{
blocks.Where(block => block.Top < balance.Top && Math.Abs(block.Right - balance.Right) < 2).ToList().ForEach(block => blocks.Remove(block));
}
}
var textStream = Routines.GetStream(Routines.BlockListToString(blocklist));
if (generateInterimFiles)
{
Routines.WriteStreamToFile(textStream, filename + ".txt");
}
using (var textReader = new StreamReader(textStream))
{
var statement = new Statement();
var previousTransaction = new Transaction();
var statementDateNoted = false;
var readTransactions = false;
while (!textReader.EndOfStream)
{
var line = textReader.ReadLine();
if (line == null || line.Length == 1) // Ignoring 1 character lines
{
continue;
}
var items = line.Split(new[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (!statementDateNoted && items[0].StartsWith("From ", StringComparison.InvariantCultureIgnoreCase))
{
var s = items[0].Substring(items[0].IndexOf("to ", StringComparison.Ordinal) + 3);
statement.StatementDate = DateTime.Parse(s);
statementDateNoted = true;
}
else if (!readTransactions && items.Last() == "Balance ($)")
{
readTransactions = true;
}
else if (readTransactions && Routines.IsNumeric(items.Last()) && (items.Length == 2 || (items.Length == 3 && Routines.IsDayAndShortMonth(items.First()))))
{
var t = new Transaction();
if (items.Length == 3) // Process date
{
var tokens = items[0].Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var month = Routines.ShortMonthToInt(tokens[1]);
var day = Routines.StrToInt(tokens[0]);
var year = statement.StatementDate.Year -
((statement.StatementDate.Month == 1 && month == 12) ? 1 : 0);
t.DateTime = new DateTime(year, month, day);
t.Description = items[1];
t.Value = Routines.StrToNumber(items[2]);
}
else
{
t.DateTime = previousTransaction.DateTime;
t.Description = items[0];
t.Value = Routines.StrToNumber(items[1]);
}
// Ignoring payments
statement.Transactions.Add(t);
previousTransaction = t;
}
}
return(statement);
}
}