141 lines
4.1 KiB
C#
141 lines
4.1 KiB
C#
using System.Xml.Serialization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using Nostr.Client.Keys;
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using NostrStreamer.Database;
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namespace NostrStreamer.Controllers;
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[Route("/api/podcast")]
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public class PodcastController(StreamerContext db, Config config) : Controller
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{
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[HttpGet("{id:guid}.xml")]
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public async Task GetFeed([FromRoute] Guid id)
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{
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var stream = await db.Streams
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.AsNoTracking()
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.Include(a => a.User)
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.Where(a => a.Id == id)
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.SingleOrDefaultAsync();
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if (stream == default)
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{
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Response.StatusCode = 404;
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return;
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}
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var pod = new PodcastRoot();
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var link = stream.ToIdentifier();
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pod.LiveItem = new()
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{
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Guid = stream.Id,
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Title = stream.Title ?? "",
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Description = stream.Summary,
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Status = stream.State.ToString().ToLower(),
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Start = stream.Starts,
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End = stream.Ends ?? new DateTime(),
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ContentLink = new()
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{
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Href = $"https://zap.stream/{link.ToBech32()}",
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Text = "Watch live on zap.stream!"
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},
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Enclosure = new()
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{
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Url = new Uri(config.DataHost, $"stream/{stream.Id}.m3u8").ToString(),
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Type = "application/x-mpegurl",
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Length = 0
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}
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};
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pod.SocialInteract = new()
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{
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Url = $"nostr:{link.ToBech32()}",
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Protocol = "nostr",
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AccountId = NostrPublicKey.FromHex(stream.PubKey).Bech32
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};
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Response.ContentType = "text/xml";
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var ns = new XmlSerializerNamespaces();
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ns.Add("podcast", "https://podcastindex.org/namespace/1.0");
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var ser = new XmlSerializer(typeof(PodcastRoot));
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using var ms = new MemoryStream();
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ser.Serialize(ms, pod, ns);
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ms.Seek(0, SeekOrigin.Begin);
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await ms.CopyToAsync(Response.Body);
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}
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}
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[XmlRoot(ElementName = "enclosure")]
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public class Enclosure
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{
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[XmlAttribute(AttributeName = "url")]
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public string Url { get; set; }
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[XmlAttribute(AttributeName = "type")]
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public string Type { get; set; }
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[XmlAttribute(AttributeName = "length")]
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public int Length { get; set; }
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}
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[XmlRoot(ElementName = "socialInteract")]
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public class SocialInteract
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{
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[XmlAttribute(AttributeName = "url")]
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public string Url { get; set; }
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[XmlAttribute(AttributeName = "protocol")]
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public string Protocol { get; set; } = "nostr";
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[XmlAttribute(AttributeName = "accountId")]
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public string AccountId { get; set; }
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}
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[XmlRoot(ElementName = "contentLink")]
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public class ContentLink
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{
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[XmlAttribute(AttributeName = "href")]
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public string Href { get; set; }
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[XmlText]
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public string Text { get; set; }
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}
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[XmlRoot(ElementName = "liveItem", Namespace = "https://podcastindex.org/namespace/1.0")]
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public class LiveItem
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{
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[XmlElement(ElementName = "title", Namespace = "")]
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public string Title { get; set; } = null!;
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[XmlElement(ElementName = "description", Namespace = "")]
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public string? Description { get; set; }
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[XmlElement(ElementName = "guid", Namespace = "")]
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public Guid Guid { get; set; }
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[XmlElement(ElementName = "enclosure", Namespace = "")]
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public Enclosure Enclosure { get; set; } = null!;
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[XmlElement(ElementName = "contentLink", Namespace = "https://podcastindex.org/namespace/1.0")]
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public ContentLink ContentLink { get; set; } = null!;
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[XmlAttribute(AttributeName = "status")]
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public string Status { get; set; } = "live";
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[XmlAttribute(AttributeName = "start")]
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public DateTime Start { get; set; }
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[XmlAttribute(AttributeName = "end")]
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public DateTime End { get; set; }
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}
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[XmlRoot(ElementName = "rss")]
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public class PodcastRoot
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{
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[XmlElement(ElementName = "liveItem", Namespace = "https://podcastindex.org/namespace/1.0")]
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public LiveItem? LiveItem { get; set; }
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[XmlElement(ElementName = "socialInteract", Namespace = "https://podcastindex.org/namespace/1.0")]
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public SocialInteract? SocialInteract { get; set; }
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}
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