39 lines
1.5 KiB
Java
39 lines
1.5 KiB
Java
/*
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* This file is part of the Wildfire Chat package.
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* (c) Heavyrain2012 <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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package io.moquette.imhandler;
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import cn.wildfirechat.proto.ProtoConstants;
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import cn.wildfirechat.proto.WFCMessage;
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import io.moquette.spi.impl.Qos1PublishHandler;
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import io.netty.buffer.ByteBuf;
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import cn.wildfirechat.common.ErrorCode;
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import win.liyufan.im.IMTopic;
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@Handler(IMTopic.ChannelPullTopic)
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public class GetChannelInfoHandler extends IMHandler<WFCMessage.PullChannelInfo> {
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@Override
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public ErrorCode action(ByteBuf ackPayload, String clientID, String fromUser, ProtoConstants.RequestSourceType requestSourceType, WFCMessage.PullChannelInfo request, Qos1PublishHandler.IMCallback callback) {
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ErrorCode errorCode = ErrorCode.ERROR_CODE_SUCCESS;
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WFCMessage.ChannelInfo info = m_messagesStore.getChannelInfo(request.getChannelId());
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if (info == null) {
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errorCode = ErrorCode.ERROR_CODE_NOT_EXIST;
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} else if(info.getUpdateDt() <= request.getHead()) {
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errorCode = ErrorCode.ERROR_CODE_NOT_MODIFIED;
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} else {
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if (!info.getOwner().equals(fromUser)) {
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info = info.toBuilder().clearCallback().clearSecret().build();
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}
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byte[] data = info.toByteArray();
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ackPayload.ensureWritable(data.length).writeBytes(data);
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}
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return errorCode;
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}
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}
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