Function moveMessageToChannel

apps/web/ui/OnChannelDrop/index.tsx:48–106

({
    messageId,
    channelId,
  }: {
    messageId: string;
    channelId: string;
  })

  };

  const moveMessageToChannel = ({
    messageId,
    channelId,
  }: {
    messageId: string;
    channelId: string;
  }) => {
    const messages = [...threads.map((thread) => thread.messages)].flat();
    const message = messages.find(({ id }) => id === messageId);
    if (!message) {
      return;
    }
    const imitation =
      currentChannel.id === channelId
        ? createThreadImitation({
            message: message.body,
            files: message.attachments.map((attachment) => {
              return {
                id: attachment.name,
                url: attachment.url,
              };
            }),
            author: message.author as SerializedUser,
            mentions: allUsers,
            channel: currentChannel,
          })
        : null;

    const result = threads.map((thread) => {
      const ids = thread.messages.map(({ id }) => id);
      if (ids.includes(messageId)) {
        return {
          ...thread,
          messages: thread.messages.filter(({ id }) => id !== messageId),
        };
      }

      return thread;
    });

    setThreads([...result, ...(imitation ? [imitation] : [])]);

    return api
      .moveMessageToChannelRequest({
        messageId,
        channelId,
        communityId: currentCommunity.id,
      })
      .then((thread: SerializedThread) => {
        setThreads(
          threads.map((current) => {
            if (current.id === imitation?.id) {
              return thread;
            }
            return current;
          })
        );
      });