NapCatQQ/src/onebot/action/msg/GetMsg.ts

import { OB11Message } from '@/onebot';
import { OneBotAction } from '@/onebot/action/OneBotAction';
import { ActionName } from '@/onebot/action/router';
import { MessageUnique } from '@/common/message-unique';
import { RawMessage } from '@/core';
import { z } from 'zod';
import { NetworkAdapterConfig } from '@/onebot/config/config';

export type ReturnDataType = OB11Message

const SchemaData = z.object({
    message_id: z.union([z.number(), z.string()]),
});

type Payload = z.infer<typeof SchemaData>;

class GetMsg extends OneBotAction<Payload, OB11Message> {
    override actionName = ActionName.GetMsg;
    override payloadSchema = SchemaData;

    async _handle(payload: Payload, _adapter: string, config: NetworkAdapterConfig) {
        if (!payload.message_id) {
            throw Error('参数message_id不能为空');
        }
        const MsgShortId = MessageUnique.getShortIdByMsgId(payload.message_id.toString());
        const msgIdWithPeer = MessageUnique.getMsgIdAndPeerByShortId(MsgShortId ?? +payload.message_id);
        if (!msgIdWithPeer) {
            throw new Error('消息不存在');
        }
        const peer = { guildId: '', peerUid: msgIdWithPeer?.Peer.peerUid, chatType: msgIdWithPeer.Peer.chatType };
        const orimsg = this.obContext.recallMsgCache.get(msgIdWithPeer.MsgId);
        let msg: RawMessage|undefined;
        if (orimsg) {
            msg = orimsg;
        } else {
            msg = (await this.core.apis.MsgApi.getMsgsByMsgId(peer, [msgIdWithPeer?.MsgId || payload.message_id.toString()])).msgList[0];
        }
        if (!msg) throw Error('消息不存在');
        const retMsg = await this.obContext.apis.MsgApi.parseMessage(msg, config.messagePostFormat);
        if (!retMsg) throw Error('消息为空');
        try {
            retMsg.message_id = MessageUnique.createUniqueMsgId(peer, msg.msgId)!;
            retMsg.message_seq = retMsg.message_id;
            retMsg.real_id = retMsg.message_id;
        } catch {
            // ignored
        }
        return retMsg;
    }
}

export default GetMsg;