Estimate validation polish + PDF/TeX generation in Yavsc.Api
- List removal: GetOngoingEstimatesAsProvider filters on ProviderValidationDate so a provider's signed estimate leaves their list; PostIt refreshes the list on navigation pop-back. - Title renames: "Devis en attente de signature fournisseur/client" on both the provider and client sides (HomePage, VM, tests). - Move the estimate/bill TeX+PDF generation flow from Yavsc.Org into Yavsc.Api (TeXHelpers, PdfGenerationViewModel, BillViewComponent, Bill/Estimate templates, _ViewImports). Program.cs wires AddControllersWithViews + SiteSettings; FrontOfficeApiController injects IRazorViewEngine (cast to IViewEngine) with optional deps and exposes estimate.tex/estimate.pdf endpoints keyed by query id. - PDF generation drives through the Estimate_pdf view (side-effect render) and compiles via the system lualatex, fed TeX on stdin (no intermediate .tex), PDF to the bills dir, aux artifacts cleaned so only the .pdf persists. Resolve the bills dir to an absolute path so lualatex's -output-directory and working directory agree regardless of the host cwd (fixes "I can't write on file estimate-1.log"). - PostIt: DownloadAsync on the client + GetEstimateTex/PdfAsync; Télécharger PDF/TeX buttons on the validation and command-detail pages via a StorageProvider save helper. Co-Authored-By: Claude Code <noreply@anthropic.com>
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41 changed files with 1036 additions and 290 deletions
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using System.Diagnostics;
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using Microsoft.AspNetCore.Html;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.AspNetCore.Mvc.ViewEngines;
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namespace Yavsc.Helpers
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{
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using Microsoft.AspNetCore.Mvc.Infrastructure;
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using ViewModels.Gen;
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public class TeXString : HtmlString
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{
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public TeXString(TeXString teXString): base(teXString.ToString())
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{
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}
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public TeXString(string str) : base(str)
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{
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}
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public static TeXString operator+ (TeXString a, TeXString b) {
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return new TeXString(a.ToString()+b.ToString());
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}
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}
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public class Replacement
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{
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string target;
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string replacement;
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public Replacement(string target, string replacement)
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{
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this.target = target;
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this.replacement = replacement;
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}
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public string Execute(string source)
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{
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return source?.Replace(target, replacement) ?? null;
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}
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}
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public static class TeXHelpers
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{
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public static readonly Replacement[] SpecialCharsDefaultRendering =
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{
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new Replacement("<","\\textless"),
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new Replacement(">","\\textgreater"),
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new Replacement("©","\\copyright"),
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new Replacement("®","\\textregistered"),
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new Replacement("\\","\\textbackslash"),
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new Replacement("™","\\texttrademark"),
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new Replacement("¶","\\P"),
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new Replacement("|","\\textbar"),
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new Replacement("%","\\%"),
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new Replacement("{","\\{"),
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new Replacement("}","\\}"),
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new Replacement("_","\\_"),
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new Replacement("#","\\#"),
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new Replacement("$","\\$"),
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new Replacement("_","\\_"),
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new Replacement("¿","\\textquestiondown"),
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new Replacement("§","\\S"),
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new Replacement("£","\\pounds"),
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new Replacement("&","\\&"),
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new Replacement("¡","\\textexclamdown"),
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new Replacement("†","\\dag"),
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new Replacement("–","\\textendash"),
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new Replacement("°","\\textdegree")
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};
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public static TeXString ToTeX(this string source, string defaultValue="\\textit{néant}")
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{
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if (source==null) return new TeXString(defaultValue);
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string result=source;
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foreach (var r in SpecialCharsDefaultRendering)
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{
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result = r.Execute(result);
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}
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return new TeXString(result);
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}
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public static TeXString ToTeXCell(this string source, string defaultValue="\\textit{néant}")
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{
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if (source==null) return new TeXString(defaultValue);
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string result=source;
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foreach (var r in SpecialCharsDefaultRendering)
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{
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result = r.Execute(result);
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}
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result = result.Replace("\n","\\tabularnewline ");
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return new TeXString(result);
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}
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public static string NewLinesWith(this string target, string separator)
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{
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var items = target.Split(new char[] { '\n' }).Where(
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s => !string.IsNullOrWhiteSpace(s));
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return string.Join(separator, items);
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}
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public static TeXString ToTeXLines(this string source, string defaultValue, string lineSeparator = "\n\\\\")
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{
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if (source == null) return new TeXString(defaultValue);
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return new TeXString( source.ToTeX().ToString().NewLinesWith(lineSeparator) );
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}
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public static TeXString SplitAddressToTeX (this string source, string lineSeparator = "\n\\\\", string defaultValue = "\\textit{pas d'adresse postale}")
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{
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if (string.IsNullOrWhiteSpace(source)) return new TeXString(defaultValue);
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var alines = source.Split(',');
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var texlines = alines.Select(l=>l.ToTeX().ToString());
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return new TeXString(string.Join(lineSeparator,texlines));
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}
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public static bool GenerateEstimatePdf(this SiteSettings settings, PdfGenerationViewModel Model)
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{
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string errorMsg = null;
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var billdir = Model.DestDir;
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var tempdir = settings.TempDir;
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string name = Model.BaseFileName;
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string fullname = new FileInfo(
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System.IO.Path.Combine(tempdir, name)).FullName;
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string ofullname = new FileInfo(
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System.IO.Path.Combine(billdir, name)).FullName;
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FileInfo fi = new FileInfo(fullname + ".tex");
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FileInfo fo = new FileInfo(ofullname + ".pdf");
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using (StreamWriter sw = new StreamWriter(fi.FullName))
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{
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sw.Write(Model.TeXSource);
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}
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if (!fi.Exists)
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{
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errorMsg = "Source write failed";
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}
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else
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{
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using (Process p = new Process())
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{
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p.StartInfo.WorkingDirectory = tempdir;
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p.StartInfo = new ProcessStartInfo
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{
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UseShellExecute = false,
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WorkingDirectory = tempdir,
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FileName = "/usr/bin/texi2pdf",
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Arguments = $"--batch --build-dir=. -o {fo.FullName} {fi.FullName}"
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};
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p.Start();
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p.WaitForExit();
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if (p.ExitCode != 0)
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{
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errorMsg = $"Pdf generation failed with exit code: {p.ExitCode}";
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}
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else
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{
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fi.Delete();
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var di = new DirectoryInfo(Path.Combine(tempdir,$"{Model.BaseFileName}.t2d"));
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di.Delete(true);
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}
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}
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}
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Model.Generated = fo.Exists;
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Model.GenerationErrorMessage = new HtmlString(errorMsg);
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return fo.Exists;
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}
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public static string RenderViewToString(
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this Controller controller, IViewEngine engine,
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IActionContextAccessor contextAccessor,
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string viewName, object model, bool isMainPage = true)
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{
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using (var sw = new StringWriter())
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{
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if (engine == null)
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throw new InvalidOperationException("no engine");
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// try to find the specified view
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controller.TryValidateModel(model);
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ViewEngineResult viewResult = engine.FindView(contextAccessor.ActionContext, viewName, isMainPage);
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// create the associated context
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ViewContext viewContext = new ViewContext();
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viewContext.ActionDescriptor = contextAccessor.ActionContext.ActionDescriptor;
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viewContext.HttpContext = contextAccessor.ActionContext.HttpContext;
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viewContext.TempData = controller.TempData;
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viewContext.View = viewResult.View;
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viewContext.Writer = sw;
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// write the render view with the given context to the stringwriter
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viewResult.View.RenderAsync(viewContext).Wait();
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return sw.GetStringBuilder().ToString();
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}
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}
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}
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}
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