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botserv: ASSIGN / UNASSIGN a bot to a channel

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A channel gains a typed assigned_bot (event-logged, snapshotted). ASSIGN
<#channel> <bot> / UNASSIGN <#channel> is founder-gated (or admin oper). The
engine reconcile now also diffs channel assignments against tracked bot
memberships: a live bot IJOINs its assigned channels and PARTs unassigned ones
(new ServiceJoin/ServicePart actions), at burst and after commands; a deleted
bot's memberships are dropped. Engine test for join-on-assign / part-on-unassign.
This commit is contained in:
Jean Chevronnet 2026-07-13 13:42:14 +00:00
parent f94b0afcd9
commit b25870e14b
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6 changed files with 170 additions and 4 deletions
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43
botserv/src/lib.rs
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@ -23,13 +23,52 @@ impl Service for BotServ {
let me = self.uid.as_str();
match args.first().map(|s| s.to_ascii_uppercase()).as_deref() {
Some("BOT") => bot(me, from, args, ctx, db),
Some("HELP") => ctx.notice(me, from.uid, "BotServ keeps service bots for your channels. Operator commands: \x02BOT\x02 ADD|DEL|LIST."),
Some("ASSIGN") => assign(me, from, args, ctx, db, true),
Some("UNASSIGN") => assign(me, from, args, ctx, db, false),
Some("HELP") | None => ctx.notice(me, from.uid, "BotServ keeps service bots for your channels: \x02ASSIGN\x02 <#channel> <bot> puts a bot in your channel, \x02UNASSIGN\x02 <#channel> removes it. Operators also have \x02BOT\x02 ADD|DEL|LIST."),
Some(other) => ctx.notice(me, from.uid, format!("I don't know the command \x02{other}\x02. Try \x02HELP\x02.")),
None => {}
}
}
}
// ASSIGN <#channel> <bot> / UNASSIGN <#channel>: put a bot in a channel (or take
// it out). Channel founder only (or a services admin).
fn assign(me: &str, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, db: &mut dyn Store, assigning: bool) {
let Some(&chan) = args.get(1) else {
let syntax = if assigning { "Syntax: ASSIGN <#channel> <bot>" } else { "Syntax: UNASSIGN <#channel>" };
ctx.notice(me, from.uid, syntax);
return;
};
let Some(founder) = db.channel(chan).map(|c| c.founder) else {
ctx.notice(me, from.uid, format!("\x02{chan}\x02 isn't registered."));
return;
};
if from.account != Some(founder.as_str()) && !from.privs.has(Priv::Admin) {
ctx.notice(me, from.uid, format!("Only \x02{chan}\x02's founder can assign a bot to it."));
return;
}
if !assigning {
match db.unassign_bot(chan) {
Ok(true) => ctx.notice(me, from.uid, format!("The bot has left \x02{chan}\x02.")),
Ok(false) => ctx.notice(me, from.uid, format!("\x02{chan}\x02 has no bot assigned.")),
Err(_) => ctx.notice(me, from.uid, "Sorry, that didn't work. Please try again in a moment."),
}
return;
}
let Some(&bot) = args.get(2) else {
ctx.notice(me, from.uid, "Syntax: ASSIGN <#channel> <bot>");
return;
};
let Some(botnick) = db.bots().into_iter().find(|b| b.nick.eq_ignore_ascii_case(bot)).map(|b| b.nick) else {
ctx.notice(me, from.uid, format!("There's no bot named \x02{bot}\x02. See \x02BOT LIST\x02."));
return;
};
match db.assign_bot(chan, &botnick) {
Ok(()) => ctx.notice(me, from.uid, format!("Bot \x02{botnick}\x02 is now assigned to \x02{chan}\x02.")),
Err(_) => ctx.notice(me, from.uid, "Sorry, that didn't work. Please try again in a moment."),
}
}
// BOT ADD <nick> <user> <host> [gecos] | BOT DEL <nick> | BOT LIST — manage the
// bot registry. Administering bots is oper-only (Priv::Admin).
fn bot(me: &str, from: &Sender, args: &[&str], ctx: &mut ServiceCtx, db: &mut dyn Store) {