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