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finished the system to perform lighter updates of channels

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This commit is contained in:
csoler 2023-03-23 17:04:22 +01:00
parent a37ee4673f
commit aba0ffa581
5 changed files with 193 additions and 168 deletions
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53
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
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@ -784,12 +784,57 @@ void GxsChannelPostsWidgetWithModel::handleEvent_main_thread(std::shared_ptr<con
{
if(e->mChannelGroupId == groupId())
{
std::set<RsGxsFile> added_files,removed_files;
mChannelPostsModel->update_single_post(e->mChannelMsgId,added_files,removed_files);
mChannelFilesModel->update_files(added_files,removed_files);
RsThread::async([this,e]()
{
// 1 - get message data from p3GxsChannels. No need for pointers here, because we send only a single post to postToObject()
// At this point we dont know what kind of msg id we have. It can be a vote, a comment or an actual message.
updateDisplay(true,false);
std::vector<RsGxsChannelPost> posts;
std::vector<RsGxsComment> comments;
std::vector<RsGxsVote> votes;
const auto& msg_id(e->mChannelMsgId);
const auto& grp_id(e->mChannelGroupId);
if(!rsGxsChannels->getChannelContent(grp_id, { msg_id }, posts,comments,votes) || posts.size() != 1)
{
RsErr() << " failed to retrieve channel message data for channel/msg " << grp_id << "/" << msg_id;
return;
}
// Need to call this in order to get the actual comment count. The previous call only retrieves the message, since we supplied the message ID.
// another way to go would be to save the comment ids of the existing message and re-insert them before calling getChannelContent.
if(!rsGxsChannels->getChannelComments(grp_id,{ msg_id },comments))
{
RsErr() << " failed to retrieve message comment data for channel/msg " << grp_id << "/" << msg_id ;
return;
}
// Normally, there's a single post in the "post" array. The function below takes a full array of posts however.
RsGxsChannelPostsModel::computeCommentCounts(posts,comments);
// 2 - update the model in the UI thread.
RsQThreadUtils::postToObject( [&post=posts[0],this]()
{
std::set<RsGxsFile> added_files,removed_files;
mChannelPostsModel->updateSinglePost(post,added_files,removed_files);
std::set<ChannelPostFileInfo> added_filesi,removed_filesi;
for(auto f:added_files) added_filesi.insert(ChannelPostFileInfo(f,post.mMeta.mPublishTs));
for(auto f:removed_files) removed_filesi.insert(ChannelPostFileInfo(f,post.mMeta.mPublishTs));
mChannelFilesModel->update_files(added_filesi,removed_filesi);
updateDisplay(true,false);
},this);
});
}
}
break;