56 lines
1.7 KiB
Plaintext
56 lines
1.7 KiB
Plaintext
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@using System.Reflection
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@using System.IO
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@using Microsoft.Extensions.WebEncoders
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@using System.Diagnostics
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@using System.Text
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@using Yavsc.Formatters
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@model Estimate
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@{
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Layout = null;
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ViewBag.Pdf = "";
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ViewBag.TeX = "";
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var writer = new System.IO.StringWriter();
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var content = await Html.PartialAsync("TestTex", Model );
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content.WriteTo(writer, new TexEncoder());
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var contentStr = writer.ToString();
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string name = $"tmpestimtex-{Model.Id}";
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string fullname = new FileInfo(
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System.IO.Path.Combine(ViewBag.TempDir,name)).FullName;
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FileInfo fi = new FileInfo(fullname + ".tex");
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FileInfo fo = new FileInfo(fullname + ".pdf");
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using (StreamWriter sw = new StreamWriter (fi.FullName))
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{
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sw.Write (contentStr);
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}
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if (!fi.Exists)
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{
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throw new Exception ("Source write failed");
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}
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using (Process p = new Process ()) {
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p.StartInfo.WorkingDirectory = ViewBag.TempDir;
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p.StartInfo = new ProcessStartInfo ();
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p.StartInfo.UseShellExecute = false;
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p.StartInfo.FileName = "/usr/bin/texi2pdf";
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p.StartInfo.Arguments = $"--batch --build-dir=. -o {fo.FullName} {fi.FullName}";
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p.Start ();
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p.WaitForExit ();
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if (p.ExitCode != 0) {
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throw new Exception ("Pdf generation failed with exit code:" + p.ExitCode);
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}
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}
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if (fo.Exists) {
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UTF8Encoding utf8 = new UTF8Encoding();
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using (StreamReader sr = new StreamReader (fo.FullName)) {
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byte[] buffer = File.ReadAllBytes (fo.FullName);
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ViewBag.Pdf = utf8.GetString(buffer,0,buffer.Length);
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}
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fo.Delete();
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}
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fi.Delete();
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}
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@ViewBag.Pdf
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