486 lines
15 KiB
C#
486 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using System.Linq;
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using System.Collections.ObjectModel;
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using LeanCloud.Common;
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using LeanCloud.Storage;
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using LeanCloud.Realtime.Protocol;
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using LeanCloud.Realtime.Internal.Controller;
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using LeanCloud.Realtime.Internal.Connection;
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namespace LeanCloud.Realtime {
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/// <summary>
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/// 通信客户端
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/// </summary>
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public class LCIMClient {
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internal Dictionary<string, LCIMConversation> ConversationDict;
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public string Id {
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get; private set;
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}
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public string Tag {
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get; private set;
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}
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public string DeviceId {
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get; private set;
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}
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internal string SessionToken {
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get; private set;
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}
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#region 事件
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#region 连接状态事件
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/// <summary>
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/// 客户端连接断开
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/// </summary>
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public Action OnPaused {
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get; set;
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}
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/// <summary>
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/// 客户端连接恢复正常
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/// </summary>
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public Action OnResume {
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get; set;
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}
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/// <summary>
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/// 当前客户端被服务端强行下线
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/// </summary>
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public Action<int, string> OnClose {
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get; set;
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}
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#endregion
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#region 对话事件
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/// <summary>
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/// 当前用户被加入某个对话的黑名单
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/// </summary>
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public Action<LCIMConversation, string> OnBlocked {
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get; set;
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}
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/// <summary>
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/// 当用户被解除黑名单
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/// </summary>
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public Action<LCIMConversation, string> OnUnblocked {
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get; set;
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}
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/// <summary>
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/// 当前用户在某个对话中被禁言
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/// </summary>
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public Action<LCIMConversation, string> OnMuted;
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/// <summary>
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/// 当前用户在某个对话中被解除禁言
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/// </summary>
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public Action<LCIMConversation, string> OnUnmuted;
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/// <summary>
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/// 该对话信息被更新
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/// </summary>
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public Action<LCIMConversation, ReadOnlyDictionary<string, object>, string> OnConversationInfoUpdated;
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/// <summary>
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/// 当前用户被添加至某个对话
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/// </summary>
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public Action<LCIMConversation, string> OnInvited {
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get; set;
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}
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/// <summary>
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/// 当前用户被从某个对话中移除
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/// </summary>
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public Action<LCIMConversation, string> OnKicked {
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get; set;
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}
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/// <summary>
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/// 有用户被添加至某个对话
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersJoined {
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get; set;
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}
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/// <summary>
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/// 有成员被从某个对话中移除
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersLeft {
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get; set;
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}
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/// <summary>
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/// 有成员被加入某个对话的黑名单
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersBlocked {
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get; set;
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}
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/// <summary>
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/// 有成员被移出某个对话的黑名单
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersUnblocked {
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get; set;
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}
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/// <summary>
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/// 有成员在某个对话中被禁言
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersMuted {
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get; set;
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}
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/// <summary>
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/// 有成员被移出某个对话的黑名单
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/// </summary>
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public Action<LCIMConversation, ReadOnlyCollection<string>, string> OnMembersUnmuted {
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get; set;
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}
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/// <summary>
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/// 有成员的对话信息被更新
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/// </summary>
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public Action<LCIMConversation, string, string, string> OnMemberInfoUpdated;
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#endregion
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#region 消息事件
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/// <summary>
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/// 当前用户收到消息
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/// </summary>
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public Action<LCIMConversation, LCIMMessage> OnMessage {
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get; set;
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}
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/// <summary>
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/// 消息被撤回
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/// </summary>
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public Action<LCIMConversation, LCIMRecalledMessage> OnMessageRecalled {
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get; set;
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}
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/// <summary>
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/// 消息被修改
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/// </summary>
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public Action<LCIMConversation, LCIMMessage> OnMessageUpdated {
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get; set;
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}
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/// <summary>
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/// 消息已送达
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/// </summary>
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public Action<LCIMConversation, string> OnMessageDelivered {
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get; set;
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}
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/// <summary>
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/// 消息已读
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/// </summary>
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public Action<LCIMConversation, string> OnMessageRead {
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get; set;
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}
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/// <summary>
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/// 未读消息数目更新
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/// </summary>
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public Action<ReadOnlyCollection<LCIMConversation>> OnUnreadMessagesCountUpdated {
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get; set;
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}
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/// <summary>
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/// 最近分发消息更新
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/// </summary>
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public Action OnLastDeliveredAtUpdated {
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get; set;
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}
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/// <summary>
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/// 最近已读消息更新
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/// </summary>
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public Action OnLastReadAtUpdated {
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get; set;
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}
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#endregion
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#endregion
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internal ILCIMSignatureFactory SignatureFactory {
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get; private set;
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}
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internal LCConnection Connection {
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get; set;
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}
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internal LCIMSessionController SessionController {
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get; private set;
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}
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internal LCIMMessageController MessageController {
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get; private set;
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}
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internal LCIMGoAwayController GoAwayController {
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get; private set;
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}
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internal LCIMConversationController ConversationController {
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get; private set;
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}
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#region 接口
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public LCIMClient(string clientId,
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string tag = null,
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string deviceId = null,
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ILCIMSignatureFactory signatureFactory = null) {
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if (string.IsNullOrEmpty(clientId)) {
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throw new ArgumentNullException(nameof(clientId));
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}
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SetUpClient(clientId, tag, deviceId, signatureFactory);
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}
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public LCIMClient(LCUser user,
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string tag = null,
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string deviceId = null,
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ILCIMSignatureFactory signatureFactory = null) {
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if (user == null) {
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throw new ArgumentNullException(nameof(user));
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}
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if (string.IsNullOrEmpty(user.ObjectId) ||
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string.IsNullOrEmpty(user.SessionToken)) {
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throw new ArgumentException("User must be authenticacted.");
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}
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SetUpClient(user.ObjectId, tag, deviceId, signatureFactory);
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SessionToken = user.SessionToken;
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}
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private void SetUpClient(string clientId,
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string tag,
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string deviceId,
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ILCIMSignatureFactory signatureFactory) {
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Id = clientId;
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Tag = tag;
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DeviceId = deviceId;
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SignatureFactory = signatureFactory;
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ConversationDict = new Dictionary<string, LCIMConversation>();
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// 模块
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SessionController = new LCIMSessionController(this);
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ConversationController = new LCIMConversationController(this);
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MessageController = new LCIMMessageController(this);
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GoAwayController = new LCIMGoAwayController(this);
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Connection = new LCConnection(Id) {
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OnNotification = OnConnectionNotification,
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OnDisconnect = OnConnectionDisconnect,
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OnReconnected = OnConnectionReconnect
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};
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}
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/// <summary>
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/// 登录
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/// </summary>
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/// <param name="force">是否强制登录</param>
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/// <returns></returns>
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public async Task Open(bool force = true) {
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await Connection.Connect();
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// 打开 Session
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await SessionController.Open(force);
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}
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/// <summary>
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/// 关闭
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/// </summary>
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/// <returns></returns>
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public async Task Close() {
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// 关闭 session
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await SessionController.Close();
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await Connection.Close();
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}
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/// <summary>
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/// 创建普通对话
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/// </summary>
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/// <param name="members"></param>
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/// <param name="name"></param>
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/// <param name="unique"></param>
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/// <param name="properties"></param>
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/// <returns></returns>
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public async Task<LCIMConversation> CreateConversation(
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IEnumerable<string> members,
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string name = null,
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bool unique = true,
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Dictionary<string, object> properties = null) {
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return await ConversationController.CreateConv(members: members,
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name: name,
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unique: unique,
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properties: properties);
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}
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/// <summary>
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/// 创建聊天室
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/// </summary>
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/// <param name="name"></param>
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/// <param name="properties"></param>
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/// <returns></returns>
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public async Task<LCIMChatRoom> CreateChatRoom(
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string name,
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Dictionary<string, object> properties = null) {
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LCIMChatRoom chatRoom = await ConversationController.CreateConv(name: name,
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transient: true,
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properties: properties) as LCIMChatRoom;
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return chatRoom;
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}
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/// <summary>
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/// 创建临时对话
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/// </summary>
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/// <param name="members"></param>
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/// <param name="ttl"></param>
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/// <param name="properties"></param>
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/// <returns></returns>
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public async Task<LCIMTemporaryConversation> CreateTemporaryConversation(
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IEnumerable<string> members,
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int ttl = 86400,
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Dictionary<string, object> properties = null) {
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LCIMTemporaryConversation tempConversation = await ConversationController.CreateConv(members: members,
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temporary: true,
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temporaryTtl: ttl,
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properties: properties) as LCIMTemporaryConversation;
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return tempConversation;
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}
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/// <summary>
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/// 根据 id 获取对话
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/// </summary>
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/// <param name="id"></param>
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/// <returns></returns>
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public async Task<LCIMConversation> GetConversation(string id) {
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if (string.IsNullOrEmpty(id)) {
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throw new ArgumentNullException(nameof(id));
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}
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if (LCIMConversation.IsTemporayConversation(id)) {
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List<LCIMTemporaryConversation> temporaryConversationList = await ConversationController.GetTemporaryConversations(new string[] { id });
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if (temporaryConversationList == null || temporaryConversationList.Count < 1) {
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return null;
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}
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return temporaryConversationList[0];
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}
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LCIMConversationQuery query = GetQuery()
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.WhereEqualTo("objectId", id)
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.Limit(1);
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ReadOnlyCollection<LCIMConversation> results = await ConversationController.Find(query);
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if (results == null || results.Count < 1) {
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return null;
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}
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return results[0];
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}
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/// <summary>
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/// 获取某些特定的对话
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/// </summary>
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/// <param name="ids"></param>
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/// <returns></returns>
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public async Task<ReadOnlyCollection<LCIMConversation>> GetConversationList(IEnumerable<string> ids) {
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if (ids == null || ids.Count() == 0) {
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throw new ArgumentNullException(nameof(ids));
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}
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// 区分临时对话
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IEnumerable<string> tempConvIds = ids.Where(item => {
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return LCIMConversation.IsTemporayConversation(item);
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});
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IEnumerable<string> convIds = ids.Where(item => {
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return !tempConvIds.Contains(item);
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});
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List<LCIMConversation> conversationList = new List<LCIMConversation>();
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if (tempConvIds.Count() > 0) {
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List<LCIMTemporaryConversation> temporaryConversations = await ConversationController.GetTemporaryConversations(tempConvIds);
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conversationList.AddRange(temporaryConversations);
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}
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if (convIds.Count() > 0) {
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LCIMConversationQuery query = GetQuery()
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.WhereContainedIn("objectId", convIds)
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.Limit(convIds.Count());
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ReadOnlyCollection<LCIMConversation> conversations = await ConversationController.Find(query);
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conversationList.AddRange(conversations);
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}
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return conversationList.AsReadOnly();
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}
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/// <summary>
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/// 获取对话查询对象
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/// </summary>
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/// <returns></returns>
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public LCIMConversationQuery GetQuery() {
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return new LCIMConversationQuery(this);
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}
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#endregion
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private void OnConnectionNotification(GenericCommand notification) {
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switch (notification.Cmd) {
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case CommandType.Session:
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_ = SessionController.OnNotification(notification);
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break;
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case CommandType.Conv:
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case CommandType.Unread:
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_ = ConversationController.OnNotification(notification);
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break;
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case CommandType.Direct:
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case CommandType.Patch:
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case CommandType.Rcp:
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_ = MessageController.OnNotification(notification);
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break;
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case CommandType.Goaway:
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_ = GoAwayController.OnNotification(notification);
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break;
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default:
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break;
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}
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}
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private void OnConnectionDisconnect() {
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OnPaused?.Invoke();
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}
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private void OnConnectionReconnect() {
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_ = HandleReconnected();
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}
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private async Task HandleReconnected() {
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try {
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// 打开 Session
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await SessionController.Reopen();
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// 回调用户
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OnResume?.Invoke();
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} catch (Exception e) {
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LCLogger.Error(e);
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await Connection.Close();
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// TODO 告知
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OnClose?.Invoke(0, string.Empty);
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}
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}
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internal async Task<LCIMConversation> GetOrQueryConversation(string convId) {
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if (ConversationDict.TryGetValue(convId, out LCIMConversation conversation)) {
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return conversation;
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}
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conversation = await GetConversation(convId);
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return conversation;
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}
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}
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}
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