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Documents: use WinziPrint instead of WeasyPrint

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This commit is contained in:
Lorenz Stechauner
2023-10-19 16:38:03 +02:00
parent a2f49e1b8b
commit a832879b73
3 changed files with 60 additions and 74 deletions
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75
Elwig/Documents/Document.cshtml.cs
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@ -3,14 +3,12 @@ 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 partial class Document : IDisposable {
private TempFile? _pdfFile = null;
private string? _renderedHtml = null;
public bool ShowFoldMarks = App.Config.Debug;
@ -39,18 +37,6 @@ 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();
}
@ -62,33 +48,10 @@ namespace Elwig.Documents {
}
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,
};
return new MergedDocument(docs);
}
private async Task<string> Render() {
if (_renderedHtml != null)
return _renderedHtml;
string name;
if (this is BusinessLetter) {
name = "BusinessLetter";
@ -109,17 +72,32 @@ namespace Elwig.Documents {
}
private async Task<string> Render(string name) {
_renderedHtml = await Html.CompileRenderAsync(name, this);
return _renderedHtml;
return await Html.CompileRenderAsync(name, this); ;
}
public async Task Generate() {
var pdf = new TempFile("pdf");
using (var tmpHtml = new TempFile("html")) {
await File.WriteAllTextAsync(tmpHtml.FilePath, await Render(), Utils.UTF8);
await Pdf.Convert(tmpHtml.FilePath, pdf.FilePath);
if (this is MergedDocument m) {
var pdf = new TempFile("pdf");
var tmpHtmls = new List<TempFile>();
foreach (var doc in m.Documents) {
var tmpHtml = new TempFile("html");
await doc.Render();
await File.WriteAllTextAsync(tmpHtml.FilePath, await doc.Render(), Utils.UTF8);
tmpHtmls.Add(tmpHtml);
}
await Pdf.Convert(tmpHtmls.Select(f => f.FilePath), pdf.FilePath);
foreach (var tmp in tmpHtmls) {
tmp.Dispose();
}
_pdfFile = pdf;
} else {
var pdf = new TempFile("pdf");
using (var tmpHtml = new TempFile("html")) {
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) {
@ -137,8 +115,11 @@ namespace Elwig.Documents {
Pdf.Show(_pdfFile.NewReference(), Title + (this is BusinessDocument b ? $" - {b.Member.Name}" : ""));
}
private class InternalDocument : Document {
public InternalDocument(string title) : base(title) { }
private class MergedDocument : Document {
public IEnumerable<Document> Documents;
public MergedDocument(IEnumerable<Document> docs) : base("Mehrere Dokumente") {
Documents = docs;
}
}
}
}