microsoft/teams.net
Publicmirrored fromhttps://github.com/microsoft/teams.netAvailable
Libraries/Microsoft.Teams.Apps/Events/EventEmitter.cs
85lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | using Microsoft.Teams.Apps.Plugins; |
| 5 | |
| 6 | namespace Microsoft.Teams.Apps.Events; |
| 7 | |
| 8 | internal class EventEmitter |
| 9 | { |
| 10 | protected Dictionary<string, Topic> Topics { get; set; } = []; |
| 11 | |
| 12 | public EventEmitter On(string name, Action<IPlugin, Event> handler) |
| 13 | { |
| 14 | if (!Topics.ContainsKey(name)) |
| 15 | { |
| 16 | Topics[name] = []; |
| 17 | } |
| 18 | |
| 19 | Topics[name].Add((plugin, @event, cancellationToken) => |
| 20 | { |
| 21 | handler(plugin, @event); |
| 22 | return Task.FromResult<object?>(null); |
| 23 | }); |
| 24 | |
| 25 | return this; |
| 26 | } |
| 27 | |
| 28 | public EventEmitter On<TResult>(string name, Func<IPlugin, Event, TResult> handler) |
| 29 | { |
| 30 | if (!Topics.ContainsKey(name)) |
| 31 | { |
| 32 | Topics[name] = []; |
| 33 | } |
| 34 | |
| 35 | Topics[name].Add((plugin, @event, cancellationToken) => |
| 36 | { |
| 37 | var res = handler(plugin, @event); |
| 38 | return Task.FromResult<object?>(res); |
| 39 | }); |
| 40 | |
| 41 | return this; |
| 42 | } |
| 43 | |
| 44 | public EventEmitter On(string name, Func<IPlugin, Event, CancellationToken, Task> handler) |
| 45 | { |
| 46 | if (!Topics.ContainsKey(name)) |
| 47 | { |
| 48 | Topics[name] = []; |
| 49 | } |
| 50 | |
| 51 | Topics[name].Add(async (plugin, @event, cancellationToken) => |
| 52 | { |
| 53 | await handler(plugin, @event, cancellationToken).ConfigureAwait(false); |
| 54 | return null; |
| 55 | }); |
| 56 | |
| 57 | return this; |
| 58 | } |
| 59 | |
| 60 | public EventEmitter On<TResult>(string name, Func<IPlugin, Event, CancellationToken, Task<TResult>> handler) |
| 61 | { |
| 62 | if (!Topics.ContainsKey(name)) |
| 63 | { |
| 64 | Topics[name] = []; |
| 65 | } |
| 66 | |
| 67 | Topics[name].Add(async (plugin, @event, cancellationToken) => |
| 68 | { |
| 69 | var res = await handler(plugin, @event, cancellationToken).ConfigureAwait(false); |
| 70 | return res; |
| 71 | }); |
| 72 | |
| 73 | return this; |
| 74 | } |
| 75 | |
| 76 | public async Task<object?> Emit(IPlugin plugin, string name, Event? @event = null, CancellationToken cancellationToken = default) |
| 77 | { |
| 78 | if (!Topics.ContainsKey(name)) |
| 79 | { |
| 80 | Topics[name] = []; |
| 81 | } |
| 82 | |
| 83 | return await Topics[name].Emit(plugin, @event, cancellationToken).ConfigureAwait(false); |
| 84 | } |
| 85 | } |