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added icon over posts with comments in channels

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This commit is contained in:
csoler 2020-11-07 20:52:50 +01:00
parent 3cac0c030d
commit 08e2987154
4 changed files with 50 additions and 5 deletions
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28
retroshare-gui/src/gui/gxschannels/GxsChannelPostsModel.cpp
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@ -522,6 +522,29 @@ void RsGxsChannelPostsModel::setPosts(const RsGxsChannelGroup& group, std::vecto
emit channelPostsLoaded();
}
static void updateCommentCounts( std::vector<RsGxsChannelPost>& posts, std::vector<RsGxsComment>& comments)
{
// Store posts IDs in a std::map to avoid a quadratic cost
std::map<RsGxsMessageId,uint32_t> post_indices;
for(uint32_t i=0;i<posts.size();++i)
{
post_indices[posts[i].mMeta.mMsgId] = i;
posts[i].mCommentCount = 0; // should be 0 already, but we secure that value.
std::cerr << "Zeroing comments for post " << posts[i].mMeta.mMsgId << std::endl;
}
// now look into comments and increase the count
for(uint32_t i=0;i<comments.size();++i)
{
std::cerr << "Found new comment " << comments[i].mMeta.mMsgId << " for post" << comments[i].mMeta.mThreadId << std::endl;
++posts[post_indices[comments[i].mMeta.mThreadId]].mCommentCount;
}
}
void RsGxsChannelPostsModel::update_posts(const RsGxsGroupId& group_id)
{
if(group_id.isNull())
@ -557,6 +580,11 @@ void RsGxsChannelPostsModel::update_posts(const RsGxsGroupId& group_id)
return;
}
// This shouldn't be needed normally. We need it until a background process computes the number of comments per
// post and stores it in the service string. Since we request all data, this process isn't costing much anyway.
updateCommentCounts(*posts,*comments);
// 2 - update the model in the UI thread.
RsQThreadUtils::postToObject( [group,posts,comments,votes,this]()