102 lines
2.8 KiB
C#
102 lines
2.8 KiB
C#
using System;
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using System.Xml.Linq;
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using NodaTime;
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using static MfGames.Nitride.Feeds.Structure.XmlConstants;
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namespace MfGames.Nitride.Feeds.Structure;
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/// <summary>
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/// The type-safe structure of the top-level feed.
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/// </summary>
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public record AtomFeed
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{
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/// <summary>
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/// Gets or sets the MIME type for the alternate URL.
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/// </summary>
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public string AlternateMimeType { get; set; } = "text/html";
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/// <summary>
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/// Gets or sets the alternate URL for this feed.
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/// </summary>
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public Uri? AlternateUrl { get; set; }
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/// <summary>
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/// Gets or sets the author for the feed.
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/// </summary>
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public AtomAuthor? Author { get; set; }
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/// <summary>
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/// Gets or sets the ID of the feed.
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/// </summary>
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public string? Id { get; set; }
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/// <summary>
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/// Gets or sets the rights (license) of the feed.
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/// </summary>
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public string? Rights { get; set; }
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/// <summary>
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/// Gets or sets the title of the Feed.
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/// </summary>
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public string? Title { get; set; }
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/// <summary>
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/// Gets or sets the timestamp that the feed was updated.
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/// </summary>
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public Instant? Updated { get; set; }
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/// <summary>
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/// Gets or sets the URL associated with this feed.
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/// </summary>
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public Uri? Url { get; set; }
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/// <summary>
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/// Creates an XML element out of the feed along with all items inside
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/// the feed.
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/// </summary>
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/// <returns></returns>
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public XElement ToXElement()
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{
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var elem = new XElement(AtomNamespace + "feed");
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if (!string.IsNullOrWhiteSpace(this.Title))
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{
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elem.Add(
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new XElement(
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AtomNamespace + "title",
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new XAttribute("type", "text"),
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new XAttribute(XNamespace.Xml + "lang", "en"),
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new XText(this.Title)));
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}
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if (this.Url != null)
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{
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elem.Add(
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new XElement(
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AtomNamespace + "link",
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new XAttribute("type", "application/atom+xml"),
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new XAttribute("href", this.Url.ToString()),
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new XAttribute("rel", "self")));
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}
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if (this.AlternateUrl != null)
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{
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elem.Add(
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new XElement(
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AtomNamespace + "link",
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new XAttribute("type", this.AlternateMimeType),
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new XAttribute("href", this.AlternateUrl.ToString()),
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new XAttribute("rel", "alternate")));
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}
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AtomHelper.AddIfSet(elem, "updated", this.Updated?.ToString("g", null));
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AtomHelper.AddIfSet(elem, "id", this.Id);
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AtomHelper.AddIfSet(elem, this.Author?.ToXElement());
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AtomHelper.AddIfSet(elem, "rights", this.Rights);
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return elem;
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}
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}
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