32 lines
1.1 KiB
C#
32 lines
1.1 KiB
C#
using SharpChat.Events;
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using System.Collections.Generic;
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using System.Linq;
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namespace SharpChat.EventStorage {
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public class VirtualEventStorage : IEventStorage {
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private readonly Dictionary<string, ChatEventInfo> Events = new();
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public void HandleEvent(ChatEventInfo info) {
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Events.Add(info.Id.ToString(), info);
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if(info.Type.Equals("msg:delete") && info.Data is MessageDeleteEventData msgDelete)
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Events.Remove(msgDelete.MessageId);
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}
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public ChatEventInfo? GetEvent(long eventId) {
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return Events.TryGetValue(eventId.ToString(), out ChatEventInfo? evt) ? evt : null;
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}
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public IEnumerable<ChatEventInfo> GetChannelEventLog(string channelName, int amount = 20, int after = 0) {
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IEnumerable<ChatEventInfo> subset = Events.Values.Where(ev => ev.ChannelName == channelName);
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int start = subset.Count() - after - amount;
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if(start < 0) {
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amount += start;
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start = 0;
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}
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return subset.Skip(start).Take(amount).ToArray();
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}
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}
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}
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