Files
elwig/Elwig/Helpers/Export/VCard.cs
Lorenz Stechauner 9dc225d3e4
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Export/VCard: Add Escape method
2025-11-10 00:13:53 +01:00

70 lines
3.2 KiB
C#

using Elwig.Models.Entities;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Elwig.Helpers.Export {
public class VCard : IExporter<Member> {
public static string FileExtension => "vcf";
private readonly StreamWriter _writer;
public VCard(string filename) : this(filename, Utils.UTF8) { }
public VCard(string filename, Encoding encoding) {
_writer = new StreamWriter(filename, false, encoding);
}
public void Dispose() {
GC.SuppressFinalize(this);
_writer.Dispose();
}
public ValueTask DisposeAsync() {
GC.SuppressFinalize(this);
return _writer.DisposeAsync();
}
public async Task ExportAsync(IEnumerable<Member> data, IProgress<double>? progress = null) {
progress?.Report(0.0);
int count = data.Count() + 1, i = 0;
foreach (var row in data) {
var billingAddr = row.BillingAddress != null ? $"ADR;TYPE=work;LANGUAGE=de;LABEL=\"{Escape(row.BillingAddress.FullName)}\\n{Escape(row.BillingAddress.Address)}\\n{row.BillingAddress.PostalDest.AtPlz?.Plz} {Escape(row.BillingAddress.PostalDest.AtPlz?.Ort.Name)}\\nÖsterreich\":;;{Escape(row.BillingAddress.Address)};{Escape(row.BillingAddress.PostalDest.AtPlz?.Ort.Name)};;{row.BillingAddress.PostalDest.AtPlz?.Plz};Österreich\r\n" : null;
var tel = string.Join("", row.TelephoneNumbers
.Where(n => n.Type != "fax")
.Select(n => $"TEL;TYPE={(n.Type == "mobile" ? "cell" : "voice")}:{Escape(n.Number)}\r\n"));
var email = string.Join("", row.EmailAddresses.Select(a => $"EMAIL:{Escape(a.Address)}\r\n"));
await _writer.WriteLineAsync($"""
BEGIN:VCARD
VERSION:4.0
UID:mg{row.MgNr}@{App.Client.NameToken.ToLower()}.elwig.at
NOTE:MgNr. {row.MgNr}
FN:{Escape(row.AdministrativeName)}
N:{Escape(row.Name)};{Escape(row.GivenName)};{Escape(row.MiddleName)};{Escape(row.Prefix)};{Escape(row.Suffix)}
KIND:{(row.IsJuridicalPerson ? "org" : "individual")}
ADR{(billingAddr == null ? "" : ";TYPE=home")};LANGUAGE=de;LABEL="{Escape(row.Address)}\n{row.PostalDest.AtPlz?.Plz} {Escape(row.PostalDest.AtPlz?.Ort.Name)}\nÖsterreich":;;{Escape(row.Address)};{Escape(row.PostalDest.AtPlz?.Ort.Name)};;{row.PostalDest.AtPlz?.Plz};Österreich
{billingAddr}{tel}{email}REV:{row.ModifiedAt.ToUniversalTime():yyyyMMdd\THHmmss\Z}
END:VCARD
""");
progress?.Report(100.0 * ++i / count);
}
await _writer.FlushAsync();
progress?.Report(100.0);
}
public void Export(IEnumerable<Member> data, IProgress<double>? progress = null) {
ExportAsync(data, progress).GetAwaiter().GetResult();
}
private static string? Escape(string? text) {
return text?.Replace("\\", "\\\\").Replace(",", "\\,").Replace(";", "\\;").Replace("\n", "\\n").Replace("\r", "");
}
}
}