pleroma groups!!!!!! try it ->
https://piggo.space/hob
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497 lines
24 KiB
497 lines
24 KiB
use std::sync::Arc;
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use std::time::{Duration, Instant};
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use elefren::{FediClient, StatusBuilder};
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use elefren::debug::EventDisplay;
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use elefren::debug::NotificationDisplay;
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use elefren::entities::event::Event;
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use elefren::entities::notification::{Notification, NotificationType};
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use elefren::status_builder::Visibility;
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use futures::StreamExt;
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use crate::command::StatusCommand;
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use crate::store::{ConfigStore, GroupError};
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use crate::store::data::GroupConfig;
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use crate::utils::LogError;
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use std::collections::HashSet;
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/// This is one group's config store capable of persistence
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#[derive(Debug)]
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pub struct GroupHandle {
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pub(crate) client: FediClient,
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pub(crate) config: GroupConfig,
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pub(crate) store: Arc<ConfigStore>,
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}
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impl GroupHandle {
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pub async fn save(&mut self) -> Result<(), GroupError> {
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debug!("Saving group config & status");
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self.store.set_group_config(self.config.clone()).await?;
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self.config.clear_dirty_status();
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Ok(())
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}
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pub async fn save_if_needed(&mut self) -> Result<(), GroupError> {
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if self.config.is_dirty() {
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self.save().await?;
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}
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Ok(())
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}
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pub async fn reload(&mut self) -> Result<(), GroupError> {
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if let Some(g) = self.store.get_group_config(self.config.get_acct()).await {
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self.config = g;
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Ok(())
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} else {
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Err(GroupError::GroupNotExist)
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}
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}
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}
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trait NotifTimestamp {
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fn timestamp_millis(&self) -> u64;
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}
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impl NotifTimestamp for Notification {
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fn timestamp_millis(&self) -> u64 {
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self.created_at.timestamp_millis().max(0) as u64
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}
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}
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impl GroupHandle {
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pub async fn run(&mut self) -> Result<(), GroupError> {
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const PERIODIC_SAVE: Duration = Duration::from_secs(60);
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const PING_INTERVAL: Duration = Duration::from_secs(15);
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assert!(PERIODIC_SAVE >= PING_INTERVAL);
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let mut next_save = Instant::now() + PERIODIC_SAVE; // so we save at start
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loop {
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debug!("Opening streaming API socket");
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let mut events = self.client.streaming_user().await?;
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match self.catch_up_with_missed_notifications().await {
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Ok(true) => {
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debug!("Some missed notifs handled");
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// Save asap!
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next_save = Instant::now() - PERIODIC_SAVE
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}
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Ok(false) => {
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debug!("No notifs missed");
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}
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Err(e) => {
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error!("Failed to handle missed notifs: {}", e);
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}
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}
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loop {
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if next_save < Instant::now() {
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self.save_if_needed().await
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.log_error("Failed to save group");
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next_save = Instant::now() + PERIODIC_SAVE;
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}
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let timeout = next_save.saturating_duration_since(Instant::now())
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.min(PING_INTERVAL)
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.max(Duration::from_secs(1));
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match tokio::time::timeout(timeout, events.next()).await {
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Ok(Some(event)) => {
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debug!("(@{}) Event: {}", self.config.get_acct(), EventDisplay(&event));
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match event {
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Event::Update(_status) => {}
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Event::Notification(n) => {
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self.handle_notification(n).await;
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}
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Event::Delete(_id) => {}
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Event::FiltersChanged => {}
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}
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}
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Ok(None) => {
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warn!("Group @{} socket closed, restarting...", self.config.get_acct());
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break;
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}
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Err(_) => {
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// Timeout so we can save if needed
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}
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}
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trace!("Pinging");
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events.send_ping().await.log_error("Fail to send ping");
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}
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warn!("Notif stream closed, will reopen");
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tokio::time::sleep(Duration::from_millis(1000)).await;
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}
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}
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async fn handle_notification(&mut self, n: Notification) {
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const DELAY_BEFORE_ACTION: Duration = Duration::from_millis(500);
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debug!("Handling notif #{}", n.id);
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let ts = n.timestamp_millis();
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self.config.set_last_notif(ts);
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let can_write = self.config.can_write(&n.account.acct);
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let is_admin = self.config.is_admin(&n.account.acct);
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if self.config.is_banned(&n.account.acct) {
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warn!("Notification actor {} is banned!", n.account.acct);
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return;
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}
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match n.notification_type {
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NotificationType::Mention => {
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if let Some(status) = n.status {
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if self.config.is_banned(&status.account.acct) {
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warn!("Status author {} is banned!", status.account.acct);
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return;
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}
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let commands = crate::command::parse_status(&status.content);
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if commands.is_empty() {
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debug!("No commands in post");
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if !can_write {
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warn!("User {} not allowed to post in group", n.account.acct);
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return;
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}
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if status.in_reply_to_id.is_none() {
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// Someone tagged the group in OP, boost it.
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info!("Boosting OP mention");
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tokio::time::sleep(DELAY_BEFORE_ACTION).await;
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self.client.reblog(&status.id).await
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.log_error("Failed to boost");
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} else {
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debug!("Not OP, ignore mention")
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}
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} else {
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let mut reply = vec![];
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let mut boost_prev = false;
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let mut new_members = vec![];
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let mut new_admins = vec![];
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let mut removed_admins = vec![];
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let mut instance_ban_announcements = vec![];
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let mut instance_unban_announcements = vec![];
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// TODO normalize local user handles
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let mut any_admin_cmd = false;
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for cmd in commands {
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match cmd {
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StatusCommand::Ignore => {
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debug!("Notif ignored because of ignore command");
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return;
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}
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StatusCommand::Boost => {
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if !can_write {
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warn!("User {} not allowed to boost to group", n.account.acct);
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} else {
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boost_prev = status.in_reply_to_id.is_some();
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}
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}
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StatusCommand::BanUser(u) => {
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if is_admin {
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if !self.config.is_banned(&u) {
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match self.config.ban_user(&u, true) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} banned from group!", u));
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}
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Err(e) => {
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reply.push(format!("Failed to ban user {}: {}", u, e));
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}
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}
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}
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} else {
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warn!("Not admin, can't manage bans");
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}
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}
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StatusCommand::UnbanUser(u) => {
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if is_admin {
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if self.config.is_banned(&u) {
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match self.config.ban_user(&u, false) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} un-banned!", u));
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}
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Err(e) => {
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unreachable!()
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}
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}
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}
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} else {
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warn!("Not admin, can't manage bans");
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}
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}
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StatusCommand::BanServer(s) => {
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if is_admin {
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if !self.config.is_server_banned(&s) {
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match self.config.ban_server(&s, true) {
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Ok(_) => {
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any_admin_cmd = true;
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instance_ban_announcements.push(s.clone());
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reply.push(format!("Instance {} banned from group!", s));
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}
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Err(e) => {
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reply.push(format!("Failed to ban instance {}: {}", s, e));
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}
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}
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}
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} else {
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warn!("Not admin, can't manage bans");
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}
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}
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StatusCommand::UnbanServer(s) => {
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if is_admin {
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if self.config.is_server_banned(&s) {
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match self.config.ban_server(&s, false) {
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Ok(_) => {
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any_admin_cmd = true;
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instance_unban_announcements.push(s.clone());
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reply.push(format!("Instance {} un-banned!", s));
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}
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Err(e) => {
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unreachable!()
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}
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}
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}
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} else {
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warn!("Not admin, can't manage bans");
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}
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}
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StatusCommand::AddMember(u) => {
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if is_admin {
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if !self.config.is_member(&u) {
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match self.config.set_member(&u, true) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} added to group!", u));
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new_members.push(u);
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}
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Err(e) => {
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reply.push(format!("Failed to add user {} to group: {}", u, e));
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}
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}
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}
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} else {
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warn!("Not admin, can't manage members");
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}
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}
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StatusCommand::RemoveMember(u) => {
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if is_admin {
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if self.config.is_member(&u) {
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match self.config.set_member(&u, false) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} removed from group.", u));
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}
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Err(e) => {
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unreachable!()
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}
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}
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}
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} else {
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warn!("Not admin, can't manage members");
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}
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}
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StatusCommand::GrantAdmin(u) => {
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if is_admin {
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if !self.config.is_admin(&u) {
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match self.config.set_admin(&u, true) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} is now a group admin!", u));
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new_admins.push(u);
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}
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Err(e) => {
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reply.push(format!("Failed to make user {} a group admin: {}", u, e));
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}
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}
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}
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} else {
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warn!("Not admin, can't manage admin rights");
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}
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}
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StatusCommand::RemoveAdmin(u) => {
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if is_admin {
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if self.config.is_admin(&u) {
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match self.config.set_admin(&u, false) {
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Ok(_) => {
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any_admin_cmd = true;
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reply.push(format!("User {} is no longer a group admin!", u));
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removed_admins.push(u)
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}
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Err(e) => {
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reply.push(format!("Failed to revoke {}'s group admin: {}", u, e));
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}
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}
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}
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} else {
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warn!("Not admin, can't manage admin rights");
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}
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}
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StatusCommand::OpenGroup => {
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if is_admin {
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if self.config.is_member_only() {
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any_admin_cmd = true;
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self.config.set_member_only(false);
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reply.push(format!("Group changed to open-access"));
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}
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} else {
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warn!("Not admin, can't manage group mode");
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}
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}
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StatusCommand::CloseGroup => {
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if is_admin {
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if !self.config.is_member_only() {
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any_admin_cmd = true;
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self.config.set_member_only(true);
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reply.push(format!("Group changed to member-only"));
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}
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} else {
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warn!("Not admin, can't manage group mode");
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}
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}
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StatusCommand::Help => {
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reply.push("Mention the group user in a top-level post to share it with the group's members.".to_string());
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reply.push("Posts with commands won't be shared. Supported commands:".to_string());
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reply.push("/ignore, /ign, /i - don't run any commands in the post".to_string());
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reply.push("/boost, /b - boost the replied-to post into the group".to_string());
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reply.push("/leave - leave the group as a member".to_string());
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if is_admin {
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reply.push("/members".to_string());
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reply.push("/kick, /remove user - kick a member".to_string());
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reply.push("/add user - add a member".to_string());
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reply.push("/ban x - ban a user or a server".to_string());
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reply.push("/unban x - lift a ban".to_string());
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reply.push("/op, /admin user - give admin rights".to_string());
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reply.push("/unop, /unadmin user - remove admin rights".to_string());
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reply.push("/opengroup, /closegroup - control posting access".to_string());
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}
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}
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StatusCommand::ListMembers => {
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if is_admin {
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reply.push("Member list:".to_string());
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let admins = self.config.get_admins().collect::<HashSet<_>>();
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let members = self.config.get_members().collect::<Vec<_>>();
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for m in members {
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if admins.contains(&m) {
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reply.push(format!("{} [admin]", m));
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} else {
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reply.push(format!("{}", m));
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}
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}
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}
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}
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StatusCommand::Leave => {
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if self.config.is_member(&n.account.acct) {
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any_admin_cmd = true;
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let _ = self.config.set_member(&n.account.acct, false);
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reply.push("You left the group.".to_string());
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}
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}
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}
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}
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tokio::time::sleep(DELAY_BEFORE_ACTION).await;
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if boost_prev {
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self.client.reblog(&status.in_reply_to_id.as_ref().unwrap()).await
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.log_error("Failed to boost");
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}
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if !reply.is_empty() {
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let r = reply.join("\n");
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let post = StatusBuilder::new()
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.status(format!("@{user}\n{msg}", user=n.account.acct, msg=r))
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.content_type("text/markdown")
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.visibility(Visibility::Direct)
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.build().expect("error build status");
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let _ = self.client.new_status(post).await.log_error("Failed to post");
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}
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if any_admin_cmd {
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self.save_if_needed().await.log_error("Failed to save");
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}
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}
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}
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}
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NotificationType::Follow => {
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info!("New follower!");
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tokio::time::sleep(Duration::from_millis(500)).await;
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let text = if self.config.is_member_only() {
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// Admins are listed without @, so they won't become handles here.
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// Tagging all admins would be annoying.
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let mut admins = self.config.get_admins().cloned().collect::<Vec<_>>();
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admins.sort();
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format!(
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"@{user} welcome to the group! This is a member-only group, you won't be \
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able to post. Ask the group admins if you wish to join!\n\n\
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Admins: {admins}", user = &n.account.acct, admins = admins.join(", "))
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} else {
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format!(
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"@{user} welcome to the group! This is a public-access group. \
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To share a post, tag the group user. Use /help for more info.", user = &n.account.acct)
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};
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let post = StatusBuilder::new()
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.status(text)
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.content_type("text/markdown")
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.visibility(Visibility::Unlisted)
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.build().expect("error build status");
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let _ = self.client.new_status(post).await.log_error("Failed to post");
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}
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_ => {}
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}
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}
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/// Catch up with missed notifications, returns true if any were handled
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async fn catch_up_with_missed_notifications(&mut self) -> Result<bool, GroupError> {
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const MAX_CATCHUP_NOTIFS: usize = 25;
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let last_notif = self.config.get_last_notif();
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let notifications = self.client.notifications().await?;
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let mut iter = notifications.items_iter();
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let mut notifs_to_handle = vec![];
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// They are retrieved newest first, but we want oldest first for chronological handling
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let mut num = 0;
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while let Some(n) = iter.next_item().await {
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let ts = n.timestamp_millis();
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if ts <= last_notif {
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break; // reached our last seen notif
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}
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notifs_to_handle.push(n);
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num += 1;
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if num > MAX_CATCHUP_NOTIFS {
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warn!("Too many notifs missed to catch up!");
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break;
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}
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}
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if notifs_to_handle.is_empty() {
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return Ok(false);
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}
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notifs_to_handle.reverse();
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debug!("{} notifications to catch up!", notifs_to_handle.len());
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for n in notifs_to_handle {
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debug!("Handling missed notification: {}", NotificationDisplay(&n));
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self.handle_notification(n).await;
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}
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return Ok(true);
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}
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}
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