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Xlsx.cs
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Xlsx.cs
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// SpotifyGPX by Simon Field
using OfficeOpenXml;
using OfficeOpenXml.ConditionalFormatting;
using OfficeOpenXml.Style;
using OfficeOpenXml.Table;
using SpotifyGPX.Broadcasting;
using SpotifyGPX.SongInterfaces;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
namespace SpotifyGPX.Output;
public partial class Xlsx : ByteSaveable
{
public override string FormatName => nameof(Xlsx).ToLower();
private ExcelPackage Package { get; set; }
public Xlsx(Func<IEnumerable<SongPoint>> pairs, string? trackName, StringBroadcaster bcast) : base(pairs, trackName, bcast)
{
ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
Package = new();
Count = GetPackage();
}
protected override byte[] GetDocument(string? trackName)
{
return Package.GetAsByteArray();
}
private readonly List<ColumnDefinition> columns = new()
{
new ColumnDefinition
{
Heading = "Artist",
CellValue = pair => pair.Song.Song_Artist,
TotalSettings = new()
{
TotalFormula = StringMode,
}
},
new ColumnDefinition
{
Heading = "Album",
CellValue = pair => pair.Song.GetPropertyValue<IAlbumableSong>(song => song.Song_Album),
TotalSettings = new()
{
TotalFormula = StringMode,
}
},
new ColumnDefinition
{
Heading = "Title",
CellValue = pair => pair.Song.Song_Name,
TotalSettings = new()
{
TotalFormula = StringMode,
},
DupeVals = new()
},
new ColumnDefinition
{
Heading = "Duration",
CellValue = pair => pair.Song.GetPropertyValue<IDuratableSong>(song => song.TimePlayed),
NumberFormat = TimeSpan,
TotalSettings = new()
{
TotalFormula = Sum,
TotalFormat = TimeSpan
},
DataBar = new()
},
new ColumnDefinition
{
Heading = "Song Time",
CellValue = pair => pair.SongTime.UtcDateTime,
NumberFormat = TimeFormat,
TotalSettings = new()
{
TotalFormula = LastToFirstDiff,
TotalFormat = TimeSpan
}
},
new ColumnDefinition
{
Heading = "Latitude",
CellValue = pair => pair.Point.Location.Latitude,
NumberFormat = Double,
DupeVals = new()
},
new ColumnDefinition
{
Heading = "Longitude",
CellValue = pair => pair.Point.Location.Longitude,
NumberFormat = Double,
DupeVals = new()
},
new ColumnDefinition
{
Heading = "Point Time",
CellValue = pair => pair.PointTime.UtcDateTime,
NumberFormat = TimeFormat,
TotalSettings = new()
{
TotalFormula = LastToFirstDiff,
TotalFormat = TimeSpan
}
},
new ColumnDefinition
{
Heading = "Accuracy",
CellValue = pair => pair.Accuracy,
NumberFormat = Double,
DataBar = new()
},
new ColumnDefinition
{
Heading = "AbsAccuracy",
CellValue = pair => pair.AbsAccuracy,
NumberFormat = Double,
TotalSettings = new()
{
TotalFormula = Avg,
TotalFormat = Double
},
DataBar = new()
}
};
private int GetPackage()
{
IEnumerable<IGrouping<TrackInfo, SongPoint>> tracks = GroupedDataProvider(pair => pair.Origin);
int totalPairs = 0;
foreach (IGrouping<TrackInfo, SongPoint> track in tracks)
{
string trackGuid = Guid.NewGuid().ToString().AsSpan(0, 8).ToString();
string trackName = track.Key.ToString();
FilledCells cells = GetWorksheetForTrack(trackName, track);
ExcelWorksheet worksheet = Package.Workbook.Worksheets.Add(trackName, cells.Worksheet);
totalPairs += cells.Count;
worksheet.TabColor = GetColorForWorksheet();
string tableName = $"Table_{trackGuid}";
ExcelTable table = worksheet.Tables.Add(cells.Range, tableName);
table.TableStyle = TableStyle;
table.ShowTotal = CreateTotals;
foreach (ColumnDefinition column in columns)
{
int columnIndex = StartColumn + columns.IndexOf(column) + 1;
string columnName = ExcelCellAddress.GetColumnLetter(columnIndex);
int firstRow = cells.Range.Start.Row + 1; // Add one to skip table header
int lastRow = cells.Range.End.Row;
if (ConditionalFormatting)
AddConditionalFormatting(columnIndex, columnName, worksheet, column, firstRow, lastRow);
if (CreateTotals && column.TotalSettings != null)
AddTotalRow(columnIndex, columnName, worksheet, table, column, firstRow, lastRow);
}
}
return totalPairs;
}
private void AddConditionalFormatting(int columnIndex, string columnName, ExcelWorksheet worksheet, ColumnDefinition column, int firstRow, int lastRow)
{
ExcelRange thisColumn = worksheet.Cells[$"{columnName}{firstRow}:{columnName}{lastRow}"];
column.DataBar?.Add(thisColumn);
column.DupeVals?.Add(thisColumn);
column.UniqueVals?.Add(thisColumn);
}
private void AddTotalRow(int columnIndex, string columnName, ExcelWorksheet worksheet, ExcelTable table, ColumnDefinition column, int firstRow, int lastRow)
{
if (column.TotalSettings?.TotalFormula != null)
{
string totalFormula = string.Format(column.TotalSettings.TotalFormula, columnName, column.Heading, firstRow, lastRow);
table.Columns[columnIndex - 1].TotalsRowFormula = totalFormula;
}
if (column.TotalSettings?.TotalFormat != null)
{
worksheet.Cells[$"{columnName}{lastRow + 1}"].Style.Numberformat.Format = column.TotalSettings.TotalFormat;
}
}
private FilledCells GetWorksheetForTrack(string trackName, IEnumerable<SongPoint> track)
{
ExcelPackage package = new();
ExcelWorksheet worksheet = package.Workbook.Worksheets.Add(trackName);
int minRow = StartRow;
int maxRow = 0;
int minCol = StartColumn + 1;
int maxCol = 0;
List<SongPoint> allPairs = track.ToList();
for (int i = 0; i < columns.Count; i++)
{
ColumnDefinition column = columns[i];
int rowIndex = minRow; // Return to top row
int columnIndex = minCol + i; // Go to the right column
List<object?> rows = column.GetValues(allPairs);
worksheet.Cells[rowIndex++, columnIndex].Value = column.Heading;
foreach (var row in rows)
{
worksheet.Cells[rowIndex, columnIndex].Value = row ?? string.Empty;
worksheet.Cells[rowIndex, columnIndex].Style.Numberformat.Format = column.NumberFormat;
rowIndex++;
}
maxRow = Math.Max(maxRow, rowIndex - 1); // minus header row
maxCol = Math.Max(maxCol, columnIndex);
}
ExcelRange filledCells = worksheet.Cells[minRow, minCol, maxRow, maxCol];
int pairsInSheet = maxRow - minRow;
return new FilledCells(filledCells, pairsInSheet, worksheet);
}
private readonly struct FilledCells
{
public FilledCells(ExcelRange range, int count, ExcelWorksheet worksheet)
{
Range = range;
Count = count;
Worksheet = worksheet;
}
public ExcelRange Range { get; }
public int Count { get; }
public ExcelWorksheet Worksheet { get; }
}
private static Color GetColorForWorksheet()
{
Random random = new();
return ColorSheets ? Color.FromArgb(random.Next(256), random.Next(256), random.Next(256)) : Color.White;
}
private class ConditionalFormattingDuplicateValues
{
private Color? _backgroundColor;
private Color? _foregroundColor;
private ExcelFillStyle? _fillStyle;
/// <summary>
/// Add a duplicate values conditional formatting to the specified range.
/// </summary>
/// <param name="here">An ExcelRange where the conditional formatting will be applied.</param>
public void Add(ExcelRange here)
{
var dupeVals = here.ConditionalFormatting.AddDuplicateValues();
dupeVals.Style.Fill.PatternType = FillStyle;
dupeVals.Style.Fill.BackgroundColor.Color = BackgroundColor;
dupeVals.Style.Font.Color.Color = ForegroundColor;
}
/// <summary>
/// The background color of the duplicate values conditional formatting. Default: light red.
/// </summary>
public Color BackgroundColor
{
get
{
if (_backgroundColor != null)
return (Color)_backgroundColor;
else
return Color.FromArgb(255, 199, 206);
}
set
{
_backgroundColor = value;
}
}
/// <summary>
/// The font color of the duplicate values conditional formatting. Default: dark red.
/// </summary>
public Color ForegroundColor
{
get
{
if (_foregroundColor != null)
return (Color)_foregroundColor;
else
return Color.FromArgb(156, 0, 6);
}
set
{
_foregroundColor = value;
}
}
/// <summary>
/// The fill style of the duplicate values conditional formatting. Default: solid.
/// </summary>
public ExcelFillStyle FillStyle
{
get
{
if (_fillStyle != null)
return (ExcelFillStyle)_fillStyle;
else
return ExcelFillStyle.Solid;
}
set
{
_fillStyle = value;
}
}
}
private class ConditionalFormattingUniqueValues
{
private Color? _backgroundColor;
private Color? _foregroundColor;
private ExcelFillStyle? _fillStyle;
/// <summary>
/// Add a unique values conditional formatting to the specified range.
/// </summary>
/// <param name="here">An ExcelRange where the conditional formatting will be applied.</param>
public void Add(ExcelRange here)
{
var uniqueVals = here.ConditionalFormatting.AddUniqueValues();
uniqueVals.Style.Fill.PatternType = FillStyle;
uniqueVals.Style.Fill.BackgroundColor.Color = BackgroundColor;
uniqueVals.Style.Font.Color.Color = ForegroundColor;
}
/// <summary>
/// The background color of the unique values conditional formatting. Default: light green.
/// </summary>
public Color BackgroundColor
{
get
{
if (_backgroundColor != null)
return (Color)_backgroundColor;
else
return Color.FromArgb(198, 239, 206);
}
set
{
_backgroundColor = value;
}
}
/// <summary>
/// The font color of the unique values conditional formatting. Default: dark green.
/// </summary>
public Color ForegroundColor
{
get
{
if (_foregroundColor != null)
return (Color)_foregroundColor;
else
return Color.FromArgb(0, 97, 0);
}
set
{
_foregroundColor = value;
}
}
/// <summary>
/// The fill style of the unique values conditional formatting. Default: solid.
/// </summary>
public ExcelFillStyle FillStyle
{
get
{
if (_fillStyle != null)
return (ExcelFillStyle)_fillStyle;
else
return ExcelFillStyle.Solid;
}
set
{
_fillStyle = value;
}
}
}
private class ConditionalFormattingDataBar
{
private Color? _color;
private bool? _gradient;
private bool? _negativeBarColorSameAsPositive;
private eExcelConditionalFormattingValueObjectType? _lowValue;
private eExcelConditionalFormattingValueObjectType? _highValue;
private bool? _showValue;
/// <summary>
/// Add data bars to the specified range.
/// </summary>
/// <param name="here">An ExcelRange where the conditional formatting will be applied.</param>
public void Add(ExcelRange here)
{
var dataBar = here.ConditionalFormatting.AddDatabar(Color);
dataBar.Gradient = Gradient;
dataBar.NegativeBarColorSameAsPositive = NegativeBarColorSameAsPositive;
dataBar.LowValue.Type = LowValue;
dataBar.HighValue.Type = HighValue;
dataBar.ShowValue = ShowValue;
}
/// <summary>
/// The background color of the data bar. Default: light blue.
/// </summary>
public Color Color
{
get
{
if (_color != null)
return (Color)_color;
else
return Color.FromArgb(0, 176, 240);
}
set
{
_color = value;
}
}
/// <summary>
/// Whether or not the data bar should have its color fill as a gradient. Default: false.
/// </summary>
public bool Gradient
{
get
{
if (_gradient != null)
return (bool)_gradient;
else
return false;
}
set
{
_gradient = value;
}
}
/// <summary>
/// Whether or not negative values should share the same color data bar. Default: false.
/// </summary>
public bool NegativeBarColorSameAsPositive
{
get
{
if (_negativeBarColorSameAsPositive != null)
return (bool)_negativeBarColorSameAsPositive;
else
return false;
}
set
{
_negativeBarColorSameAsPositive = value;
}
}
/// <summary>
/// The method to use for the low value of the data bar. Default: auto min.
/// </summary>
public eExcelConditionalFormattingValueObjectType LowValue
{
get
{
if (_lowValue != null)
return (eExcelConditionalFormattingValueObjectType)_lowValue;
else
return eExcelConditionalFormattingValueObjectType.AutoMin;
}
set
{
_lowValue = value;
}
}
/// <summary>
/// The method to use for the high value of the data bar. Default: auto max.
/// </summary>
public eExcelConditionalFormattingValueObjectType HighValue
{
get
{
if (_highValue != null)
return (eExcelConditionalFormattingValueObjectType)_highValue;
else
return eExcelConditionalFormattingValueObjectType.AutoMax;
}
set
{
_highValue = value;
}
}
/// <summary>
/// Whether or not to show the value of the cells along with the data bar. Default: true.
/// </summary>
public bool ShowValue
{
get
{
if (_showValue != null)
return (bool)_showValue;
else
return true;
}
set
{
_showValue = value;
}
}
}
/// <summary>
/// An Excel table column
/// </summary>
private class ColumnDefinition
{
/// <summary>
/// The name of this column
/// </summary>
public string? Heading { get; set; }
/// <summary>
/// The SongPoint value to be placed within this column's cells
/// </summary>
public Func<SongPoint, object?>? CellValue { get; set; }
/// <summary>
/// Get the value for a SongPoint given the column's CellValue function.
/// </summary>
/// <param name="here">A SongPoint object.</param>
/// <returns>An object representing the value of this SongPoint.</returns>
public object? GetValue(SongPoint here)
{
return CellValue != null ? CellValue(here) : null;
}
public List<object?> GetValues(IEnumerable<SongPoint> points)
{
return points.Select(GetValue).ToList();
}
/// <summary>
/// The number format to use for all cells of this column
/// </summary>
public string? NumberFormat { get; set; }
/// <summary>
/// The settings for this column's grand total calculation
/// </summary>
public TotalRowSettings? TotalSettings { get; set; }
/// <summary>
/// If not null, apply data bars to this column.
/// </summary>
public ConditionalFormattingDataBar? DataBar { get; set; }
/// <summary>
/// If not null, apply duplicate values highlighting to this column.
/// </summary>
public ConditionalFormattingDuplicateValues? DupeVals { get; set; }
/// <summary>
/// If not null, apply unique values highlighting to this column.
/// </summary>
public ConditionalFormattingUniqueValues? UniqueVals { get; set; }
}
private class TotalRowSettings
{
private string? _totalFormula;
private string? _totalFormat;
/// <summary>
/// The formula to invoke in the Grand Total cell for this column
/// </summary>
public string TotalFormula
{
get
{
if (_totalFormula != null)
return _totalFormula;
else
return string.Empty;
}
set
{
_totalFormula = value;
}
}
/// <summary>
/// The number format to use for the Grand Total cell of this column
/// </summary>
public string TotalFormat
{
get
{
if (_totalFormat != null)
return _totalFormat;
else
return string.Empty;
}
set
{
_totalFormat = value;
}
}
}
public override int Count { get; }
}