/// <summary>
/// Reads the the run date of this report from the first page of data (page 2).
/// </summary>
/// <returns>The run date if it is found, otherwise null</returns>
DateTime? readReportDate(PdfReader reader)
{
DateTime reportDate = DateTime.MinValue;
var text = reader.TextFromPage(2);
if (FieldPatterns.RunDate.IsMatch(text))
{
DateTime.TryParse(FieldPatterns.RunDate.Match(text).Groups[1].Value.Trim(), out reportDate);
}
if (reportDate != DateTime.MinValue)
return reportDate;
else
return null;
}
/// <summary>
/// Reads the Bargaining Unit information on the first page of the report.
/// </summary>
/// <returns>A collection BargainingUnit objects for this report.</returns>
IEnumerable<BargainingUnit> readBargainingUnits(PdfReader reader)
{
string replace = " ";
var units = new List<BargainingUnit>();
//the Fire BU is never output as a code in the BU table?
var text = reader.TextFromPage(1).Replace("Fire ", "FIR ");
//get all the BU chunks
var chunks = getPageChunks(text).Where(c => FieldPatterns.BargainingUnit.IsMatch(c));
foreach (var chunk in chunks)
{
//get each of the BUs in this chunk
var matches = FieldPatterns.BargainingUnit.Matches(chunk);
//split the chunk at the BU code points (leaving their names)
var names = FieldPatterns.BargainingUnit.Split(chunk)
.Where(s => !String.IsNullOrEmpty(s.Trim()))
.Select(s => FieldPatterns.ConsecutiveSpaces.Replace(s, replace).Trim());
for (int i = 0; i < matches.Count; i++)
{
var match = matches[i];
//there will probably be chunks containing BU codes that were already processed
if(!units.Any(bu => bu.Code == match.Value))
units.Add(new BargainingUnit() { Code = match.Value, Name = names.ElementAt(i) });
}
}
bargainingUnits = units.ToDictionary(bu => bu.Code, bu => bu);
return units;
}
/// <summary>
/// Interprets the fiscal year from the first page of this report.
/// </summary>
/// <returns>A complete FiscalYear object, or null if it cannot be read.</returns>
FiscalYear readFiscalYear(PdfReader reader)
{
FiscalYear fiscalYear = null;
var text = reader.TextFromPage(1);
if (FieldPatterns.FiscalYear.IsMatch(text))
{
var match = FieldPatterns.FiscalYear.Match(text);
fiscalYear = new FiscalYear(match.Groups[1].Value, match.Groups[2].Value);
}
return fiscalYear;
}
/// <summary>
/// Private implementation that acts on an open PdfReader.
/// </summary>
private IEnumerable<IEnumerable<string>> getAlignmentCorrectedClassData(PdfReader reader)
{
return
Enumerable.Range(2, reader.NumberOfPages - 1)
.Select(n => reader.TextFromPage(n))
.Select(page => getPageChunks(page))
.Select(chunks => fixAlignment(chunks))
.ToArray();
}
