82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
using IM.Commons.IntegrationEvents;
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namespace ConnectorService.Dtos
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{
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public record MessageHubResponse
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{
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public Guid Id { get; init; }
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/// <summary>
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/// 客户端去重/回执使用的本地 ID
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/// </summary>
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public Guid ClientId { get; init; }
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public string ChatType { get; init; } = string.Empty;
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public string MsgType { get; init; } = string.Empty;
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public Guid SenderId { get; init; }
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public Guid TargetId { get; init; }
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public string State { get; init; } = string.Empty;
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public string StreamKey { get; init; } = string.Empty;
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public long SequenceId { get; init; }
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/// <summary>
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/// 服务器推送到达时间 (毫秒级时间戳，强烈建议加上)
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/// </summary>
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public long PushTimestamp { get; init; } = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
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public HubMsgContentDto Content { get; init; } = null!;
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}
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// 嵌套的内容对象，允许 Ext 和 Quote 为 null 以缩减 JSON 体积
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public record HubMsgContentDto(
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string Fallback,
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object Body,
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Dictionary<string, string>? Ext,
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HubQuoteInfoDto? Quote
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);
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public record HubQuoteInfoDto(
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Guid MessageId,
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Guid SenderId,
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string SenderName,
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string MessageType,
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string Preview
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);
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public static class MessageEventMapper
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{
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/// <summary>
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/// 将内部集成事件转换为对外推送的 DTO
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/// </summary>
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public static MessageHubResponse ToHubResponse(this MsgCreatedEvent @event)
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{
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if (@event == null) throw new ArgumentNullException(nameof(@event));
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return new MessageHubResponse
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{
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Id = @event.Id,
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ClientId = @event.ClientId,
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ChatType = @event.ChatType,
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MsgType = @event.MsgType,
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SenderId = @event.SenderId,
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TargetId = @event.TargetId,
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State = @event.State,
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StreamKey = @event.StreamKey,
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SequenceId = @event.SequenceId,
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// 嵌套映射
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Content = @event.Content != null ? new HubMsgContentDto(
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@event.Content.Fallback,
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@event.Content.Body,
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@event.Content.Ext,
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@event.Content.Quote != null ? new HubQuoteInfoDto(
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@event.Content.Quote.MessageId,
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@event.Content.Quote.SenderId,
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@event.Content.Quote.SenderName,
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@event.Content.Quote.MessageType,
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@event.Content.Quote.Preview
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) : null
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) : null!
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};
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}
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}
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}
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