using Elwig.Models.Dtos;
using ScottPlot;
using System;
using System.Collections.Generic;
using System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Threading.Tasks;
namespace Elwig.Helpers.Export {
public class OdsFile : IDisposable {
protected readonly string FileName;
protected readonly ZipArchive ZipArchive;
protected StreamWriter? Content;
private readonly List<string> _tables;
public OdsFile(string filename) {
FileName = filename;
File.Delete(filename);
ZipArchive = ZipFile.Open(FileName, ZipArchiveMode.Create);
_tables = new List<string>();
}
public void Dispose() {
AddTrailer().GetAwaiter().GetResult();
ZipArchive?.Dispose();
GC.SuppressFinalize(this);
}
private async Task AddHeader() {
var mimetype = ZipArchive.CreateEntry("mimetype", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(mimetype.Open(), Utils.UTF8)) {
await writer.WriteAsync("application/vnd.oasis.opendocument.spreadsheet");
}
var manifest = ZipArchive.CreateEntry("META-INF/manifest.xml");
using (var writer = new StreamWriter(manifest.Open(), Utils.UTF8)) {
await writer.WriteAsync("""
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<manifest:manifest xmlns:manifest="urn:oasis:names:tc:opendocument:xmlns:manifest:1.0" manifest:version="1.3">
<manifest:file-entry manifest:full-path="/" manifest:version="1.3" manifest:media-type="application/vnd.oasis.opendocument.spreadsheet"/>
<manifest:file-entry manifest:full-path="content.xml" manifest:media-type="text/xml"/>
<manifest:file-entry manifest:full-path="styles.xml" manifest:media-type="text/xml"/>
<manifest:file-entry manifest:full-path="meta.xml" manifest:media-type="text/xml"/>
<manifest:file-entry manifest:full-path="settings.xml" manifest:media-type="text/xml"/>
</manifest:manifest>
""");
}
var styles = ZipArchive.CreateEntry("styles.xml");
using (var writer = new StreamWriter(styles.Open(), Utils.UTF8)) {
await writer.WriteAsync("""
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<office:document-styles xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" office:version="1.3">
</office:document-styles>
""");
}
var meta = ZipArchive.CreateEntry("meta.xml");
using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
var now = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ssZ");
await writer.WriteAsync($"""
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<office:document-meta xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:meta="urn:oasis:names:tc:opendocument:xmlns:meta:1.0" xmlns:dc="http://purl.org/dc/elements/1.1/" office:version="1.3">
<office:meta>
<meta:generator>Elwig {App.Version}</meta:generator>
<meta:initial-creator>Elwig</meta:initial-creator>
<dc:creator>Elwig</dc:creator>
<meta:creation-date>{now}</meta:creation-date>
<dc:date>{now}</dc:date>
</office:meta>
</office:document-meta>
""");
}
var content = ZipArchive.CreateEntry("content.xml");
Content = new StreamWriter(content.Open(), Utils.UTF8);
await Content.WriteAsync("""
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<office:document-content xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" office:version="1.3">
<office:automatic-styles>
<style:default-style style:family="table-cell">
<style:text-properties fo:language="de" fo:country="AT"/>
</style:default-style>
<style:style style:name="default" style:family="table-cell">
<style:table-cell-properties style:vertical-align="top"/>
</style:style>
<style:style style:name="header" style:family="table-cell" style:parent-style-name="default">
<style:table-cell-properties style:text-align-source="fix" style:repeat-content="false"/>
<style:paragraph-properties fo:text-align="center"/>
<style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold" fo:font-size="16pt"/>
</style:style>
<style:style style:name="th" style:family="table-cell" style:parent-style-name="default">
<style:table-cell-properties style:text-align-source="fix" style:repeat-content="false"/>
<style:paragraph-properties fo:text-align="center"/>
<style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold"/>
</style:style>
</office:automatic-styles>
<office:body>
<office:spreadsheet>
<table:calculation-settings table:case-sensitive="false" table:search-criteria-must-apply-to-whole-cell="true" table:use-wildcards="true" table:use-regular-expressions="false" table:automatic-find-labels="false"/>
""");
}
private async Task AddTrailer() {
if (Content == null) await AddHeader();
if (Content == null) return;
await Content.WriteAsync("""
</office:spreadsheet>
</office:body>
</office:document-content>
""");
Content.Close();
Content.Dispose();
Content = null;
var settings = ZipArchive.CreateEntry("settings.xml");
using (var writer = new StreamWriter(settings.Open(), Utils.UTF8)) {
await writer.WriteAsync("""
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<office:document-settings xmlns:config="urn:oasis:names:tc:opendocument:xmlns:config:1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ooo="http://openoffice.org/2004/office" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" office:version="1.3">
<office:settings>
<config:config-item-set config:name="ooo:view-settings">
<config:config-item-map-indexed config:name="Views">
<config:config-item-map-entry>
<config:config-item-map-named config:name="Tables">
""");
foreach (var tbl in _tables) {
await writer.WriteAsync($"""
<config:config-item-map-entry config:name="{tbl}">
<config:config-item config:name="VerticalSplitMode" config:type="short">2</config:config-item>
<config:config-item config:name="VerticalSplitPosition" config:type="int">3</config:config-item>
<config:config-item config:name="PositionBottom" config:type="int">3</config:config-item>
</config:config-item-map-entry>
""");
}
await writer.WriteAsync("""
</config:config-item-map-named>
</config:config-item-map-entry>
</config:config-item-map-indexed>
</config:config-item-set>
</office:settings>
</office:document-settings>
""");
}
}
public async Task AddTable<T>(DataTable<T> table) {
if (Content == null) await AddHeader();
if (Content == null) return;
var totalSpan = table.ColumnSpans.Sum(s => s.Item2);
_tables.Add(table.FullName);
await Content.WriteAsync(
$" <table:table table:name=\"{table.FullName}\">\r\n" +
$" <table:table-column table:default-cell-style-name=\"default\"/>\r\n" +
$" <table:table-row>\r\n" +
FormatCell(table.FullName, colSpan: totalSpan, style: "header") +
$" </table:table-row>\r\n" +
$" <table:table-row>\r\n" +
$" <table:table-cell table:number-columns-repeated=\"{totalSpan}\"/>\r\n" +
$" </table:table-row>\r\n" +
$" <table:table-row>\r\n");
foreach (var (name, span) in table.ColumnSpans) {
await Content.WriteAsync(FormatCell(name, colSpan: span, style: "th"));
}
await Content.WriteAsync(" </table:table-row>\r\n");
foreach (var row in table.GetData()) {
await FormatRow(row);
}
await Content.WriteAsync(" </table:table>\r\n");
}
protected async Task FormatRow(IEnumerable<object?> row) {
if (Content == null) throw new InvalidOperationException();
var arrays = row.Where(c => c is Array).Cast<Array>().Select(c => c.Length).ToArray();
int rowNum = Math.Max(1, arrays.Length > 0 ? arrays.Max() : 0);
for (int i = 0; i < rowNum; i++) {
await Content.WriteAsync(" <table:table-row>\r\n");
foreach (var data in row) {
if (data is Array a) {
await Content.WriteAsync(i < a.Length ? FormatCell(a.GetValue(i)) : " <table:table-cell/>\r\n");
} else {
await Content.WriteAsync(i == 0 ? FormatCell(data, rowNum) : " <table:covered-table-cell/>\r\n");
}
}
await Content.WriteAsync(" </table:table-row>\r\n");
}
}
protected static string FormatCell(object? data, int rowSpan = 1, int colSpan = 1, string? style = "default", bool forceString = false) {
if (data?.GetType().IsValueType == true && data.GetType().Name.StartsWith("ValueTuple"))
return string.Join("", data.GetType().GetFields().Select(p => FormatCell(p.GetValue(data), rowSpan, colSpan, style, forceString)));
var add = (style != null ? $" table:style-name=\"{style}\"" : "") + (rowSpan > 1 || colSpan > 1 ? $" table:number-rows-spanned=\"{rowSpan}\" table:number-columns-spanned=\"{colSpan}\"" : "");
string c;
if (!forceString && data == null) {
c = $"<table:table-cell{add}/>";
} else if (!forceString && (data is float || data is double || data is byte || data is char ||
data is short || data is ushort || data is int || data is uint || data is long || data is ulong)) {
c = $"<table:table-cell office:value-type=\"float\" office:value=\"{data.ToString()?.Replace(",", ".")}\"{add}><text:p>{data}</text:p></table:table-cell>";
} else {
c = $"<table:table-cell office:value-type=\"string\"{add}><text:p>{data}</text:p></table:table-cell>";
}
return c = $" {c}\r\n" + (colSpan > 1 ? $" <table:covered-table-cell table:number-rows-repeated=\"{colSpan - 1}\"/>\r\n" : "");
}
}
}