cesnimda
62 lines
4.2 KiB
C#
62 lines
4.2 KiB
C#
using System.Globalization;
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using System.Net;
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using System.Text;
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using JobTrackerApi.Models;
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namespace JobTrackerApi.Services;
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public sealed record CoverLetterRenderDto(string Html, string ThemeId, string SuggestedFileName);
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public sealed class CoverLetterDocumentRenderer
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{
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public CoverLetterRenderDto Render(string? text, CoverLetterDocumentSettings? settings)
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{
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var s = CoverLetterDocumentSettingsJson.Normalize(settings);
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static string E(string? value) => WebUtility.HtmlEncode(value ?? "");
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static string F(double? value) => value!.Value.ToString("0.##", CultureInfo.InvariantCulture);
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var font = s.BodyFont!;
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var size = s.PageSize == "letter" ? "215.9mm 279.4mm" : "210mm 297mm";
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var width = s.PageSize == "letter" ? "215.9mm" : "210mm";
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var height = s.PageSize == "letter" ? "279.4mm" : "297mm";
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var body = new StringBuilder();
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var list = false;
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foreach (var line in (text ?? "").Replace("\r\n", "\n").Replace('\r', '\n').Split('\n'))
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{
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var bullet = line.StartsWith("- ", StringComparison.Ordinal) || line.StartsWith("* ", StringComparison.Ordinal);
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if (bullet && !list) { body.Append("<ul>"); list = true; }
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if (!bullet && list) { body.Append("</ul>"); list = false; }
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if (bullet) body.Append("<li>").Append(ThemedCvRenderer.Inline(line[2..])).Append("</li>");
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else if (line.Length > 0) body.Append("<p>").Append(ThemedCvRenderer.Inline(line)).Append("</p>");
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else body.Append("<div class=\"paragraph-gap\"></div>");
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}
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if (list) body.Append("</ul>");
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var contact = string.Join(" · ", new[] { s.SenderEmail, s.SenderPhone, s.SenderLocation }.Where(v => !string.IsNullOrWhiteSpace(v)).Select(E));
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var letterLabel = s.Language == "nb-NO" ? "Søknadsbrev" : "Cover letter";
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var bodyLabel = s.Language == "nb-NO" ? "Brevtekst" : "Cover letter text";
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var title = string.Join(" — ", new[] { s.Subject, s.SenderName }.Where(value => !string.IsNullOrWhiteSpace(value)));
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var senderHeading = string.IsNullOrWhiteSpace(s.SenderName) ? "" : $"<h1>{E(s.SenderName)}</h1>";
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var subjectHeading = string.IsNullOrWhiteSpace(s.Subject) ? "" : $"<h2>{E(s.Subject)}</h2>";
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var html = $$"""
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<!DOCTYPE html><html lang="{{E(s.Language)}}"><head><meta charset="utf-8">
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<meta http-equiv="Content-Security-Policy" content="default-src 'none'; style-src 'unsafe-inline'; script-src 'unsafe-inline'; font-src data:; base-uri 'none'">
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<title>{{E(string.IsNullOrEmpty(title) ? letterLabel : title)}}</title><style>
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{{CvDocumentFonts.Embed(font)}}
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:root{--cv-page-margin:{{F(s.PageMarginMm)}}mm}
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*{box-sizing:border-box}html,body{margin:0;padding:0;color:#111827;background:#fff}
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body{font-family:{{CvDocumentFonts.Stack(font)}};font-size:{{F(s.BaseFontSizePt)}}pt;line-height:{{F(s.LineHeight)}}}
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.letter-paper{width:{{width}};min-height:{{height}};padding:{{F(s.PageMarginMm)}}mm;margin:0 auto;overflow-wrap:anywhere}
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header{border-bottom:1mm solid {{s.AccentColor}};padding-bottom:5mm;margin-bottom:7mm;break-inside:avoid}
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h1{font-size:20pt;line-height:1.2;margin:0 0 2mm;color:{{s.AccentColor}}}h2{font-size:12pt;margin:5mm 0;break-after:avoid}
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.contact{margin-top:2mm}.recipient{white-space:pre-wrap;margin:5mm 0}.date{text-align:right}p{margin:0 0 2mm;orphans:3;widows:3}
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.paragraph-gap{height:2mm}ul{padding-left:6mm;margin:2mm 0}li{orphans:3;widows:3}a{color:inherit;text-decoration:underline}
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@page{size:{{size}};margin:{{F(s.PageMarginMm)}}mm 0}
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@media print{.letter-paper{width:auto;min-height:0;padding:0 {{F(s.PageMarginMm)}}mm;margin:0} }
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</style></head><body><article class="page letter-paper" aria-label="{{E(letterLabel)}}">
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<header>{{senderHeading}}<div>{{E(s.SenderTitle)}}</div><div class="contact">{{contact}}</div></header>
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<div class="date">{{E(s.Date)}}</div><div class="recipient">{{E(s.Recipient)}}</div>{{subjectHeading}}
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<main aria-label="{{E(bodyLabel)}}">{{body}}</main></article></body></html>
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""";
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return new(html, s.ThemeId, "cover-letter.pdf");
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}
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}
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