private static void ExportTimeEntriesInternal(DateTime start, DateTime end, ExcelExportOptions options)
{
#region Check ExcelExportOptions
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.SaveTo == null)
{
throw new ArgumentNullException(nameof(options.SaveTo));
}
#endregion CheckExcelExportOptions
var fi = options.SaveTo;
if (fi.Exists)
{
fi.Delete();
fi.Refresh();
}
using (var excel = new ExcelPackage(fi))
{
// Row-Indicator
int i = 1;
#region ExcelWorksheet ws
string title = $"Zeiten {start:dd.MM.yyyy} bis {end:dd.MM.yyyy}";
var ws = excel.Workbook.Worksheets.FirstOrDefault();
if (ws == null)
{
ws = excel.Workbook.Worksheets.Add(title);
}
else
{
ws.Name = title;
}
#endregion ExcelWorksheet ws
using (var context = new MSUtilityDBEntities())
{
#region SQL - Load
const string sql = @"
SELECT D.[Day], K.Kunde, P.Project, ED.Content
FROM TTDates D
JOIN TTKundeEntry KE ON D.ID = KE.DateID
JOIN TTKunde K ON KE.KundeID = K.Id
JOIN TTProjectEntry PE ON KE.ID = PE.KundeEntryId
JOIN TTProject P ON PE.ProjectId = P.Id
JOIN TTEntryData ED ON PE.Id = ED.ProjectEntryId
WHERE D.[Day] >= @date1 AND D.[Day] <= @date2
ORDER BY 1, 2, 3, 4";
bool closeConn = false;
var conn = context.Database.Connection as SqlConnection;
if (conn == null)
{
throw new NullReferenceException("context.Database.Connection as SqlConnection == null");
}
if (conn.State != ConnectionState.Open)
{
conn.Open();
closeConn = true;
}
#endregion SQL - Load
using (var cmd = conn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Parameters.AddWithValue("date1", start);
cmd.Parameters.AddWithValue("date2", end);
// Header schreiben
ws.Cells[$"A{i}"].Value = "Datum";
ws.Cells[$"B{i}"].Value = "Kunde";
ws.Cells[$"C{i}"].Value = "Projekt";
ws.Cells[$"D{i}"].Value = "Erfassung";
// Rows schreiben
using (var r = cmd.ExecuteReader())
while (r.Read())
{
i++;
ws.Cells[$"A{i}"].Value = $"{r.GetValue(0):dd.MM.yyyy}";
ws.Cells[$"B{i}"].Value = r.GetValue(1);
ws.Cells[$"C{i}"].Value = r.GetValue(2);
ws.Cells[$"D{i}"].Value = r.GetValue(3);
}
}
#region SQL - Unload
if (closeConn)
{
conn.Close();
}
#endregion SQL - Unload
}
#region Aufbereitungen / Formatierungen usw.
// Titel-Zeile formatieren
using (var headerRange = ws.Cells["A1:D1"])
{
headerRange.Style.Font.Bold = true;
headerRange.Style.Fill.PatternType = ExcelFillStyle.Solid;
headerRange.Style.Fill.BackgroundColor.SetColor(Color.DarkBlue);
headerRange.Style.Font.Color.SetColor(Color.White);
}
// Titel-Zeile fixieren
ws.View.FreezePanes(2, 1);
// AutoFilter für alle Spalten
ws.Cells["A1:D1"].AutoFilter = true;
// Columnsgrößen an Inhalt anpassen (bewusst zum Schluss!)
ws.Cells.AutoFitColumns();
#endregion Aufbereitungen / Formatierungen usw.
excel.Save();
}
if (options.DirectOpen)
{
Process.Start(fi.FullName);
}
}
internal static void ExportTimeEntries(int year, ExcelExportOptions options) => ExportTimeEntriesInternal(new DateTime(year, 1, 1), new DateTime(year, 12, 31), options);
internal static void ExportTimeEntries(DateTime start, DateTime end, ExcelExportOptions options) => ExportTimeEntriesInternal(start, end, options);
internal static void ExportTimeEntries(int month, int year, ExcelExportOptions options) => ExportTimeEntriesInternal(new DateTime(year, month, 1), new DateTime(year, month, DateTime.DaysInMonth(year, month)), options);
internal static void ExportExcel()
{
var fi = new FileInfo(null /*ToDo*/);
ExcelHelper.ExportTimeEntries(2018, 11, ExcelExportOptions.SaveAndOpen(fi));
}