Kieran/zap-stream-api
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Implement nostr api

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Kieran
2023-07-04 11:30:04 +01:00
parent 5de1c96b20
commit 013008dcf9
9 changed files with 129 additions and 17 deletions
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36
NostrStreamer/Services/StreamManager.cs
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@ -1,5 +1,7 @@
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json;
using Nostr.Client.Client;
using Nostr.Client.Json;
using Nostr.Client.Keys;
using Nostr.Client.Messages;
using Nostr.Client.Requests;
@ -33,8 +35,9 @@ public class StreamManager
{
throw new Exception("User balance empty");
}
var ev = CreateStreamEvent(user, "live");
_nostr.Send(new NostrEventRequest(ev));
await PublishEvent(user, ev);
}
public async Task StreamStopped(string streamKey)
@ -45,7 +48,7 @@ public class StreamManager
_logger.LogInformation("Stream stopped for: {pubkey}", user.PubKey);
var ev = CreateStreamEvent(user, "ended");
_nostr.Send(new NostrEventRequest(ev));
await PublishEvent(user, ev);
}
public async Task ConsumeQuota(string streamKey, double duration)
@ -66,6 +69,33 @@ public class StreamManager
}
}
public async Task PatchEvent(string pubkey, string? title, string? summary, string? image)
{
var user = await _db.Users.SingleOrDefaultAsync(a => a.PubKey == pubkey);
if (user == default) throw new Exception("User not found");
user.Title = title;
user.Summary = summary;
user.Image = image;
var existingEvent = user.Event != default ? JsonConvert.DeserializeObject<NostrEvent>(user.Event, NostrSerializer.Settings) : null;
var ev = CreateStreamEvent(user, existingEvent?.Tags?.FindFirstTagValue("status") ?? "planned");
user.Event = JsonConvert.SerializeObject(ev, NostrSerializer.Settings);
await _db.SaveChangesAsync();
_nostr.Send(new NostrEventRequest(ev));
}
private async Task PublishEvent(User user, NostrEvent ev)
{
await _db.Users
.Where(a => a.PubKey == user.PubKey)
.ExecuteUpdateAsync(o => o.SetProperty(v => v.Event, JsonConvert.SerializeObject(ev, NostrSerializer.Settings)));
_nostr.Send(new NostrEventRequest(ev));
}
private NostrEvent CreateStreamEvent(User user, string state)
{
var tags = new List<NostrEventTag>()
@ -100,7 +130,7 @@ public class StreamManager
var ub = new Uri(_config.DataHost, $"{u.PubKey}.m3u8");
return ub.ToString();
}
private async Task<User?> GetUserFromStreamKey(string streamKey)
{
return await _db.Users.SingleOrDefaultAsync(a => a.StreamKey == streamKey);