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Documents: Add Letterhead

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This commit is contained in:
Lorenz Stechauner
2023-09-28 19:38:29 +02:00
parent d4e5ac6753
commit ca1b68aa4f
6 changed files with 107 additions and 15 deletions
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80
Elwig/Documents/Document.cshtml.cs
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@ -2,11 +2,15 @@ using System;
using System.Threading.Tasks;
using System.IO;
using Elwig.Helpers;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Linq;
namespace Elwig.Documents {
public abstract class Document : IDisposable {
public abstract partial class Document : IDisposable {
private TempFile? PdfFile = null;
private TempFile? _pdfFile = null;
private string? _renderedHtml = null;
public bool ShowFoldMarks = App.Config.Debug;
@ -35,17 +39,56 @@ namespace Elwig.Documents {
Date = DateTime.Today;
}
[GeneratedRegex(@"</body>.*?</footer>\s*</div>", RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Compiled)]
private static partial Regex GeneratedDocumentHeaderRegex();
private static readonly Regex DocumentHeaderRegex = GeneratedDocumentHeaderRegex();
[GeneratedRegex(@"<style>.*?/style>", RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Compiled)]
private static partial Regex GeneratedHtmlStyleRegex();
private static readonly Regex HtmlStyleRegex = GeneratedHtmlStyleRegex();
[GeneratedRegex(@"<link[^>]*>", RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Compiled)]
private static partial Regex GeneratedHtmlLinkRegex();
private static readonly Regex HtmlLinkRegex = GeneratedHtmlLinkRegex();
~Document() {
Dispose();
}
public void Dispose() {
PdfFile?.Dispose();
PdfFile = null;
_pdfFile?.Dispose();
_pdfFile = null;
GC.SuppressFinalize(this);
}
private Task<string> Render() {
public static async Task<Document> Merge(IEnumerable<Document> docs) {
string html = "";
var styles = new List<string>();
foreach (var d in docs) {
var h = await d.Render();
var s = HtmlStyleRegex.Matches(h).Select(m => m.Value).ToList();
var l = HtmlLinkRegex.Matches(h).Select(m => m.Value).ToList();
if (s.All(styles.Contains)) {
h = HtmlStyleRegex.Replace(h, "");
} else {
styles.AddRange(s);
}
if (l.All(styles.Contains)) {
h = HtmlLinkRegex.Replace(h, "");
} else {
styles.AddRange(l);
}
html += h;
}
html = DocumentHeaderRegex.Replace(html, "<div class='document-break'/>");
return new InternalDocument("Mehrere Dokumente") {
_renderedHtml = html,
};
}
private async Task<string> Render() {
if (_renderedHtml != null)
return _renderedHtml;
string name;
if (this is BusinessLetter) {
name = "BusinessLetter";
@ -55,14 +98,17 @@ namespace Elwig.Documents {
name = "CreditNote";
} else if (this is DeliveryJournal) {
name = "DeliveryJournal";
} else if (this is Letterhead) {
name = "Letterhead";
} else {
throw new InvalidOperationException("Invalid document object");
}
return Render(name);
return await Render(name);
}
private Task<string> Render(string name) {
return Html.CompileRenderAsync(name, this);
private async Task<string> Render(string name) {
_renderedHtml = await Html.CompileRenderAsync(name, this);
return _renderedHtml;
}
public async Task Generate() {
@ -71,22 +117,26 @@ namespace Elwig.Documents {
await File.WriteAllTextAsync(tmpHtml.FilePath, await Render(), Utils.UTF8);
await Pdf.Convert(tmpHtml.FilePath, pdf.FilePath);
}
PdfFile = pdf;
_pdfFile = pdf;
}
public void SaveTo(string pdfPath) {
if (PdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
File.Copy(PdfFile.FilePath, pdfPath);
if (_pdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
File.Copy(_pdfFile.FilePath, pdfPath);
}
public async Task Print(int copies = 1) {
if (PdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
await Pdf.Print(PdfFile.FilePath, copies);
if (_pdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
await Pdf.Print(_pdfFile.FilePath, copies);
}
public void Show() {
if (PdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
Pdf.Show(PdfFile.NewReference(), Title);
if (_pdfFile == null) throw new InvalidOperationException("Pdf file has not been generated yet");
Pdf.Show(_pdfFile.NewReference(), Title);
}
private class InternalDocument : Document {
public InternalDocument(string title) : base(title) { }
}
}
}