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use xml writer so strings are properly escaped (#4)

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This commit is contained in:
Jason Dove
2021-02-11 12:18:20 +00:00
committed by GitHub
parent d04f3d574b
commit f4487eb422
1 changed files with 56 additions and 23 deletions
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ErsatzTV.Core/Iptv/ChannelGuide.cs
+56 -23
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@@ -2,6 +2,7 @@
using System.IO;
using System.Linq;
using System.Text;
using System.Xml;
using ErsatzTV.Core.Domain;
using static LanguageExt.Prelude;
@@ -23,19 +24,31 @@ namespace ErsatzTV.Core.Iptv
public string ToXml()
{
var sb = new StringBuilder();
sb.AppendLine("<?xml version=\"1.0\"?>");
sb.AppendLine("<tv generator-info-name=\"ersatztv\">");
using var xml = XmlWriter.Create(sb);
xml.WriteStartDocument();
xml.WriteStartElement("tv");
xml.WriteAttributeString("generator-info-name", "ersatztv");
foreach (Channel channel in _channels)
{
sb.AppendLine($"<channel id=\"{channel.Number}\">");
sb.AppendLine($"<display-name lang=\"en\">{channel.Name}</display-name>");
sb.AppendLine(
!string.IsNullOrWhiteSpace(channel.Logo)
? $"<icon src=\"{_scheme}://{_host}/iptv/images/{channel.Logo}\"/>"
: $"<icon src=\"{_scheme}://{_host}/images/ersatztv-500.png\"/>");
xml.WriteStartElement("channel");
xml.WriteAttributeString("id", channel.Number.ToString());
xml.WriteStartElement("display-name");
xml.WriteAttributeString("lang", "en");
xml.WriteString(channel.Name);
xml.WriteEndElement(); // display-name
sb.AppendLine("</channel>");
xml.WriteStartElement("icon");
xml.WriteAttributeString(
"src",
!string.IsNullOrWhiteSpace(channel.Logo)
? $"{_scheme}://{_host}/iptv/images/{channel.Logo}"
: $"{_scheme}://{_host}/images/ersatztv-500.png");
xml.WriteEndElement(); // icon
xml.WriteEndElement(); // channel
}
foreach (Channel channel in _channels)
@@ -50,35 +63,55 @@ namespace ErsatzTV.Core.Iptv
Title = Path.GetFileName(playoutItem.MediaItem.Path)
});
sb.AppendLine(
$"<programme start=\"{start}\" stop=\"{stop}\" channel=\"{channel.Number}\">");
sb.AppendLine($"<title lang=\"en\">{metadata.Title}</title>");
sb.AppendLine("<previously-shown/>");
sb.AppendLine("<sub-title lang=\"en\"></sub-title>");
xml.WriteStartElement("programme");
xml.WriteAttributeString("start", start);
xml.WriteAttributeString("stop", stop);
xml.WriteAttributeString("channel", channel.Number.ToString());
xml.WriteStartElement("title");
xml.WriteAttributeString("lang", "en");
xml.WriteString(metadata.Title);
xml.WriteEndElement(); // title
xml.WriteStartElement("previously-shown");
xml.WriteEndElement(); // previously-shown
xml.WriteStartElement("sub-title");
xml.WriteAttributeString("lang", "en");
xml.WriteEndElement(); // sub-title
int season = Optional(metadata.SeasonNumber).IfNone(0);
int episode = Optional(metadata.EpisodeNumber).IfNone(0);
if (season > 0 && episode > 0)
{
sb.AppendLine($"<episode-num system=\"xmltv_ns\">{season - 1}.{episode - 1}.0/1</episode-num>");
xml.WriteStartElement("episode-num");
xml.WriteAttributeString("system", "xmltv_ns");
xml.WriteString($"{season - 1}.{episode - 1}.0/1");
xml.WriteEndElement(); // episode-num
}
// sb.AppendLine("<icon src=\"\"/>");
sb.AppendLine($"<desc lang=\"en\">{metadata.Description}</desc>");
xml.WriteStartElement("desc");
xml.WriteAttributeString("lang", "en");
xml.WriteString(metadata.Description);
xml.WriteEndElement(); // desc
if (!string.IsNullOrWhiteSpace(metadata.ContentRating))
{
sb.AppendLine("<rating system=\"MPAA\">");
sb.AppendLine($"<value>{metadata.ContentRating}</value>");
sb.AppendLine("</rating>");
xml.WriteStartElement("rating");
xml.WriteAttributeString("system", "MPAA");
xml.WriteStartElement("value");
xml.WriteString(metadata.ContentRating);
xml.WriteEndElement(); // value
xml.WriteEndElement(); // rating
}
sb.AppendLine("</programme>");
xml.WriteEndElement(); // programme
}
}
sb.AppendLine("</tv>");
xml.WriteEndElement(); // tv
xml.WriteEndDocument();
return sb.ToString();
}