this post was submitted on 09 Dec 2023
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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).

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I think the title says it all. Basically, when a new comment appears on your targeted post, it sends you a PM about it.

@PostWatchBot@lemy.lol

Usage

  • Subscribe to a post: just mention the bot in the comments or send the link to the bot via PM.
  • Unsubscribe from a post: send PM to the bot with stop text and link of the post like stop https://lemmy.ml/post/1234
  • Unsubscribe completely: Send PM to the bot and add stop text to your message. It will unsubscribe you from all subscriptions.

Note: the bot sends only one notification per post. It waits for the previous notification to be marked as read for new comments.

Made with @CannotSleep420@hexbear.net's lemmy-bot project πŸ™ Tomorrow I will publish the code publicly after adding README and self-hosting guide.

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[–] iso@lemy.lol 10 points 11 months ago (5 children)

All of you asked for it, so the bot will now send PMs instead of replying to comments :) Please don't beat me up again 😨

@donio@lemmy.world @smeg@feddit.uk @rglullis@communick.news @nix@merv.news @Jumuta@sh.itjust.works

[–] nix@merv.news 4 points 11 months ago (1 children)

Thanks! Its super convenient! Is it just me or does clicking the link it provides opens the thread but not the comment itself? Would be convenient since im guessing replies to comments dont cause a notification?

[–] iso@lemy.lol 1 points 11 months ago (1 children)

Yeah make sense. I've updated it to work that way πŸ‘

[–] nix@merv.news 1 points 11 months ago
[–] Jumuta@sh.itjust.works 4 points 11 months ago

see? violence is always the answer!

[–] smeg@feddit.uk 4 points 11 months ago (1 children)

Given the backlash against everyone who tries to make a reddit-lemmy mirroring bot then hopefully you've saved yourself a headache in the future!

[–] iso@lemy.lol 4 points 11 months ago

TBH I don't like those bots either πŸ‘

[–] nix@merv.news 2 points 11 months ago (1 children)

Is it possible to subscribe to a comment thread as well? So if anyone replies to your comment I get a notification?

[–] iso@lemy.lol 1 points 11 months ago

Yes it is possible and I want to implement it soon, but I can't give a date. I'm thinking of making it so that when the bot is mentioned in a reply to a comment, make it notify comments only on that comment chain.

[–] Blaze@discuss.tchncs.de 2 points 11 months ago
[–] rglullis@communick.news 9 points 11 months ago* (last edited 11 months ago) (1 children)

So every user that decides to get notified will add a comment to the thread?

If 100 people trigger it, 100 comments will be the exact same response?

Also, if people end up "deleting the comment to keep the thread clean", will they get purged as well?

[–] iso@lemy.lol 5 points 11 months ago (2 children)

Valid criticism. I’ll try to clear it tomorrow πŸ‘ Any suggestions are appreciated.

[–] nix@merv.news 7 points 11 months ago

It could send a message to the user instead of commenting on the thread

[–] rglullis@communick.news 6 points 11 months ago

Why not send the messages/instructions as a PM as well?

[–] MaximilianKohler@lemmy.world 7 points 11 months ago (1 children)

Thanks but I don't think this is a good method. We need an addon like RES, or built-in like on Saidit, or a script like this: https://gist.github.com/NathanSweet/de43d5b2cb0c0836763b

[–] iso@lemy.lol 1 points 11 months ago

I don’t know about the options you’ve said but I agree this should be a built-in feature. But it’s not.

[–] Usernameblankface@lemmy.world 5 points 11 months ago (1 children)

Ah, another handy bot handle to add to my Geyboard shortcuts. Nice!

[–] Usernameblankface@lemmy.world 1 points 11 months ago (1 children)

Ah, another handy bot handle to add to my Geyboard shortcuts. Nice!

@PostWatchBot@lemy.lol

[–] iso@sh.itjust.works 5 points 11 months ago* (last edited 11 months ago) (1 children)
[–] donio@lemmy.world 4 points 11 months ago* (last edited 11 months ago) (1 children)

Subscribe to a post: just mention the bot in the comments.

Not a huge fan of the noise this adds to the threads. Would be nice if Lemmy frontends could provide better ways to interact with bots. For example custom buttons that would PM the bot with the appropriate message to trigger the action.

[–] iso@lemy.lol 2 points 11 months ago (2 children)

This feature must be implemented by built-in in the first place. But your idea makes sense too. I’ll try to discuss this with UI devs.

[–] cynber@lemmy.ca 3 points 11 months ago* (last edited 11 months ago)

I might be able to set something up with the InstanceAssistant browser extension. It would be nice to have it in the main UI, but this could help temporarily.

I'll send a PM :)

[–] smeg@feddit.uk 1 points 11 months ago (1 children)

I'd second the worry about the bot comments and bot-summoning comments becoming noise, I remember all the "remind me" comments on reddit clogging up comment feeds!

[–] iso@lemy.lol 2 points 11 months ago (1 children)

I'm moving bot messages to PMs right now. So there will be no bot message.

[–] smeg@feddit.uk 1 points 11 months ago (1 children)

That's good, though I'd imagine people would still rather not read 100 bot-summoning comments on a popular thread. Any way to activate the bot via PM too? Or maybe by sharing somehow?

[–] iso@lemy.lol 1 points 11 months ago

I don't think those would work TBH. Activation can be done by PM, but I don't think anyone would want to do that.

[–] scrubbles@poptalk.scrubbles.tech 4 points 11 months ago* (last edited 11 months ago) (1 children)

How does it subscribe when lemmy doesn't have subscribing or notification apps? Does it just poll the server? (As a server owner the amount of traffic there worries me, and that could cost me depending on implementation)

If it's polling, how do you know to stop polling? Will it just poll a post forever?

[–] iso@lemy.lol 3 points 11 months ago (1 children)

Its polling every 30th second only on my instance. So don’t worry, it will not make any difference for you ✌️

[–] ShittyKopper@lemmy.blahaj.zone 4 points 11 months ago (1 children)

in theory as you operate both the server and the bot you could modify lemmy to tell the bot when a new comment hits a thread instead of polling, which would be more efficient (but definitely harder to do!)

also does it handle the case where nobody from your instance is following a community? to make sure you get all the replies reliably the bot would need to subscribe to each community it's watching a post from

that said, great work. I may end up using it if I don't end up forgetting about its existence :p

[–] iso@lemy.lol 3 points 11 months ago (1 children)

I’m using a library named lemmy-bot. To achieve what you say, I need to modify both library and lemmy server. As you can guess, I can’t afford time for these πŸ™‚

I think it’s not using much resources anyways. 2 requests per minute is nothing compared to hundreds of ActivityPub requests per second.

I didn’t tested non-followed community, but the bot works with mention event instead of comment. But still not sure, I’ll test this one πŸ™

[–] ShittyKopper@lemmy.blahaj.zone 1 points 11 months ago (1 children)

I didn’t tested non-followed community, but the bot works with mention event instead of comment. But still not sure, I’ll test this one πŸ™

oh, I meant for the actual post watching part, summoning via mention should work without any subscription

[–] iso@lemy.lol 1 points 11 months ago

I think to get mentioned comment, it needs to get parent post too. As I said, I need to test it. I can only assume right now.

[–] Hjalamanger@feddit.nu 3 points 11 months ago (1 children)

Nice :) @PostWatchBot@lemy.lol

[–] sir_reginald@lemmy.world 1 points 11 months ago (2 children)

It's cool. I wish a function like this was built into Lemmy.

[–] iso@lemy.lol 1 points 11 months ago