I’m having issues where people on All downvote the shit out of our posts, but subscribers upvote. So everything has negative votes, but my subscribers aren’t getting the community they want. Anyone else see this or have ideas?
What is the procedure for banning a user if their only interactions with a community are downvotes, and they never post or comment? The default Lemmy interface doesn’t make this easy…
Yeah I have, it’s just a lot of banning - and I know I have a very very niche thing, I just wish there was a way to prevent voting unless you explicitely join the community
I do have my own instance and have done it with SQL, automated would be a bit nicer. If you have any source code you’ve written that you wouldn’t mind sharing it would be a helpful jumping off point. I’d probably need to tweak it but I wouldn’t have to start from scratch
The only thing I have that I’d not be mortified to share (only mildly embarrassed) is a very heavy, probably quite inefficient SQL script to grab the vote aggregates for a community grouped by actor id.
Input: Local Community ID
Output:
Actor ID
Publish/create date of the actor
Number of post upvotes given in the community
Number of post downvotes given in the community
Number of comment upvotes given in the community
Number of comment downvotes given in the community
Number of posts in the community
Number of comments in the community
If you want the SQL, send me a DM or reply and I can DM it to you. For the action / scoring logic, you’ll probably be better off writing your own since my scripts are a bit of a mess. The basic flow, though, is:
The output from the SQL is fed into other scripts which compute a “participation ratio” for each given actor id. That’s just a fancy way of saying if they have no/few posts/comments in the community, give out X downvotes for every upvote given (if any), the number of interactions is above a minimum threshold, and their account is older than a minimum defined number of days, it’ll add those actor_ids to a queue file.
The thresholds are quite generous, though they can be tightened if needed. One thing to note is that downvotes received in the community is not factored in; just the number of submissions to the community (if any).
The queue file is then processed to ban those users from that community with a preset reason.
That runs via cron about once a day on a list of community IDs in a config file. I usually check the modlog every morning to review any bans that happen overnight (if any). Previously, I would manually review and issue any bans by hand using the list of actor IDs it generated (which has since became the queue file).
The scripts are a bunch of Bash scripts that I’ve put together over a long period of time for various purposes, and many are daisy-chained together. I’ve been meaning to re-write it in Python now that I have a better idea of what I want it to do, but I just haven’t gotten around to it yet.
I will say that the script doesn’t have to take action on a per-community basis that often. Most of the bans issued are to accounts that just downvote everything (which are detected by another, similar script). When those “mass downvote” accounts are banned, they’re also banned from each local community (I don’t enforce that to any communities I mod elsewhere).
I’m having issues where people on All downvote the shit out of our posts, but subscribers upvote. So everything has negative votes, but my subscribers aren’t getting the community they want. Anyone else see this or have ideas?
If people downvote all content without contributing at all (and I insist all content, not just one or two downvotes), I would consider banning them.
If they comment or upvote, that’s a different story.
What is the procedure for banning a user if their only interactions with a community are downvotes, and they never post or comment? The default Lemmy interface doesn’t make this easy…
https://tesseract.dubvee.org/
Yeah I have, it’s just a lot of banning - and I know I have a very very niche thing, I just wish there was a way to prevent voting unless you explicitely join the community
Similar problem, automating the identification of bad actors helps a lot.
How did you do that?
I used the api to collect all the votes on posts and comments, then I flag anyone who crosses a threshold
If you have your own instance you could do it with a sql query instead.
I do have my own instance and have done it with SQL, automated would be a bit nicer. If you have any source code you’ve written that you wouldn’t mind sharing it would be a helpful jumping off point. I’d probably need to tweak it but I wouldn’t have to start from scratch
The only thing I have that I’d not be mortified to share (only mildly embarrassed) is a very heavy, probably quite inefficient SQL script to grab the vote aggregates for a community grouped by actor id.
Input: Local Community ID
Output:
If you want the SQL, send me a DM or reply and I can DM it to you. For the action / scoring logic, you’ll probably be better off writing your own since my scripts are a bit of a mess. The basic flow, though, is:
The output from the SQL is fed into other scripts which compute a “participation ratio” for each given actor id. That’s just a fancy way of saying if they have no/few posts/comments in the community, give out X downvotes for every upvote given (if any), the number of interactions is above a minimum threshold, and their account is older than a minimum defined number of days, it’ll add those actor_ids to a queue file.
The thresholds are quite generous, though they can be tightened if needed. One thing to note is that downvotes received in the community is not factored in; just the number of submissions to the community (if any).
The queue file is then processed to ban those users from that community with a preset reason.
That runs via cron about once a day on a list of community IDs in a config file. I usually check the modlog every morning to review any bans that happen overnight (if any). Previously, I would manually review and issue any bans by hand using the list of actor IDs it generated (which has since became the queue file).
The scripts are a bunch of Bash scripts that I’ve put together over a long period of time for various purposes, and many are daisy-chained together. I’ve been meaning to re-write it in Python now that I have a better idea of what I want it to do, but I just haven’t gotten around to it yet.
I will say that the script doesn’t have to take action on a per-community basis that often. Most of the bans issued are to accounts that just downvote everything (which are detected by another, similar script). When those “mass downvote” accounts are banned, they’re also banned from each local community (I don’t enforce that to any communities I mod elsewhere).
Yeah a dm would be great if this. If I get time maybe I’ll formalize it a bit
@ptz@dubvee.org
PTZ has mentioned he might have a SQL based solution
I just use the api scripts now, which are really really slow.
FYI, on Piefed: https://feddit.org/post/6649095/4125210