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Implement message editing for Discord and Matrix

legacy
Charlotte Som 2021-09-14 05:15:37 +01:00
parent 0ddd756abf
commit 6ad07c6855
5 changed files with 280 additions and 95 deletions
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98
src/bridgers.rs
View File

@ -1,12 +1,12 @@
use std::{cell::RefCell, str::FromStr, sync::Mutex};
use std::{cell::RefCell, collections::HashSet, str::FromStr, sync::Mutex};
use sled::Db;
use crate::{
channels::ChannelReference,
discord::{self, forward_to_discord},
matrix::{self, forward_to_matrix},
messages::{MessageReference, SentMessage},
discord::{self, edit_on_discord, forward_to_discord},
matrix::{self, edit_on_matrix, forward_to_matrix},
messages::{EditedMessage, MessageReference, SentMessage},
};
pub struct Bridgers {
@ -102,15 +102,15 @@ impl Bridgers {
None
}
fn get_related_matrix_message(&self, source: &MessageReference) -> Option<(String, String)> {
if let MessageReference::Matrix(room_id, event_id) = source {
return Some((room_id.to_string(), event_id.to_string()));
fn get_related_matrix_message(&self, source: &MessageReference) -> Option<matrix::EventId> {
if let MessageReference::Matrix(_, event_id) = source {
return Some(matrix::EventId::from_str(event_id).unwrap());
}
if let Some(relations) = self.get_related_messages(source) {
for relation in relations {
if let MessageReference::Matrix(room_id, event_id) = relation {
return Some((room_id, event_id));
if let MessageReference::Matrix(_, event_id) = relation {
return Some(matrix::EventId::from_str(&event_id).unwrap());
}
}
}
@ -154,7 +154,28 @@ impl Bridgers {
}
}
pub async fn send_message(&self, message: SentMessage) -> Vec<MessageReference> {
fn store_related_messages(&self, related_messages: &[MessageReference]) {
let tree = self
.db
.open_tree("message_relations")
.expect("Failed to open relations tree");
for source in related_messages {
let relations = related_messages
.iter()
.filter(|r| r != &source)
.collect::<Vec<_>>();
let key = bincode::serialize(source).expect("Failed to serialize message reference");
let value =
bincode::serialize(&relations).expect("Failed to serialize message relations");
tree.insert(key, value)
.expect("Failed to store message relations");
}
}
pub async fn send_message(&self, message: SentMessage) {
let mut related_messages = vec![message.source.clone()];
if let Some(discord) = self.discord.lock().unwrap().borrow().as_ref() {
@ -183,25 +204,46 @@ impl Bridgers {
}
}
let tree = self
.db
.open_tree("message_relations")
.expect("Failed to open relations tree");
for source in related_messages.iter() {
let relations = related_messages
.iter()
.filter(|r| r != &source)
.collect::<Vec<_>>();
let key = bincode::serialize(source).expect("Failed to serialize message reference");
let value =
bincode::serialize(&relations).expect("Failed to serialize message relations");
tree.insert(key, value)
.expect("Failed to store message relations");
self.store_related_messages(&related_messages);
}
related_messages
pub async fn edit_message(&self, message: EditedMessage) {
if let Some(related_messages) = self.get_related_messages(&message.replacing) {
let mut new_related_messages = HashSet::new();
related_messages.iter().for_each(|r| {
new_related_messages.insert(r.clone());
});
for related_message in related_messages.iter() {
match related_message {
MessageReference::Discord(channel_id, message_id) => {
if let Some(discord) = self.discord.lock().unwrap().borrow().as_ref() {
let channel_id = discord::ChannelId(*channel_id);
let message_id = discord::MessageId(*message_id);
if let Some(m) =
edit_on_discord(discord, channel_id, message_id, &message).await
{
new_related_messages.insert(m);
}
}
}
MessageReference::Matrix(room_id, event_id) => {
if let Some(matrix) = self.matrix.lock().unwrap().borrow().as_ref() {
let room_id = matrix::RoomId::from_str(room_id).unwrap();
let event_id = matrix::EventId::from_str(event_id).unwrap();
if let Some(m) =
edit_on_matrix(matrix, room_id, event_id, &message).await
{
new_related_messages.insert(m);
}
}
}
}
}
self.store_related_messages(&new_related_messages.into_iter().collect::<Vec<_>>())
}
}
}

56
src/discord.rs
View File

@ -5,11 +5,11 @@ use tokio::sync::mpsc;
use crate::{
channels::ChannelReference,
message_ast::{self, format_discord},
messages::{MessageAuthor, MessageEvent, MessageReference, SentMessage},
messages::{EditedMessage, MessageAuthor, MessageEvent, MessageReference, SentMessage},
};
pub use serenity::client::Context;
pub use serenity::model::id::ChannelId;
pub use serenity::model::id::{ChannelId, MessageId};
impl From<&Message> for MessageReference {
fn from(message: &Message) -> Self {
@ -72,13 +72,45 @@ impl EventHandler for DiscordHandler {
content,
author: MessageAuthor {
display_name: message
.author_nick(&ctx.http)
.author_nick(&ctx)
.await
.unwrap_or(message.author.name),
},
replies_to,
}));
}
async fn message_update(
&self,
ctx: Context,
_old_if_available: Option<Message>,
new: Option<Message>,
event: MessageUpdateEvent,
) {
if let Ok(new_message) = {
if let Some(m) = new {
Ok(m)
} else {
event.channel_id.message(&ctx, event.id).await
}
} {
let message_ref = MessageReference::from(&new_message);
let content = discord_message_format::parse(&new_message.content);
let content = message_ast::convert_discord(&content);
let _ = self.event_tx.send(MessageEvent::Edit(EditedMessage {
replacing: message_ref,
content,
author: MessageAuthor {
display_name: new_message
.author_nick(&ctx)
.await
.unwrap_or(new_message.author.name),
},
}));
}
}
}
pub async fn forward_to_discord(
@ -88,7 +120,7 @@ pub async fn forward_to_discord(
reply: Option<(u64, u64)>,
) -> Option<MessageReference> {
channel
.send_message(&discord_ctx.http, |m| {
.send_message(&discord_ctx, |m| {
let b = m.content(format_discord(&message.content));
if let Some((channel_id, message_id)) = reply {
@ -103,6 +135,22 @@ pub async fn forward_to_discord(
.map(MessageReference::from)
}
pub async fn edit_on_discord(
discord_ctx: &Context,
channel_id: ChannelId,
message_id: MessageId,
message: &EditedMessage,
) -> Option<MessageReference> {
channel_id
.edit_message(&discord_ctx, &message_id, |m| {
m.content(format_discord(&message.content))
})
.await
.as_ref()
.ok()
.map(MessageReference::from)
}
pub async fn create_discord_client(
ctx_tx: mpsc::UnboundedSender<Context>,
message_tx: mpsc::UnboundedSender<MessageEvent>,

6
src/main.rs
View File

@ -88,10 +88,10 @@ async fn main() {
while let Some(event) = event_rx.recv().await {
match event {
MessageEvent::Send(sent_message) => {
let _ = bridgers.send_message(sent_message).await;
bridgers.send_message(sent_message).await;
}
MessageEvent::Edit(_edited_message) => {
todo!();
MessageEvent::Edit(edited_message) => {
bridgers.edit_message(edited_message).await;
}
MessageEvent::AdminLinkChannels(channels) => {
bridgers.link_channels(&channels);

181
src/matrix.rs
View File

@ -1,23 +1,29 @@
use std::{str::FromStr, sync::Arc};
use std::sync::Arc;
use matrix_sdk::{
room::{Joined, Room},
ruma::{
api,
events::{
self,
room::{
message::{
FormattedBody, MessageEventContent, MessageFormat, MessageType, Relation,
Replacement,
},
redaction::RedactionEventContent,
},
AnyMessageEvent, AnyMessageEventContent, AnyRoomEvent, AnySyncRoomEvent,
SyncMessageEvent,
},
EventId, UserId,
UserId,
},
ClientConfig, SyncSettings,
};
pub use matrix_sdk::{ruma::RoomId, Client};
pub use matrix_sdk::{
ruma::{EventId, RoomId},
Client,
};
use log::info;
use tokio::sync::mpsc;
@ -28,7 +34,7 @@ use crate::{
convert_matrix, convert_plain, format_discord, format_matrix, MessageComponent,
MessageContent,
},
messages::{MessageAuthor, MessageEvent, MessageReference, SentMessage},
messages::{EditedMessage, MessageAuthor, MessageEvent, MessageReference, SentMessage},
};
impl From<(&RoomId, &EventId)> for MessageReference {
@ -102,6 +108,28 @@ impl MatrixHandler {
}
}
async fn get_room_message_event(
room: &Joined,
event_id: &EventId,
) -> Option<events::MessageEvent<MessageEventContent>> {
let event = room
.event(api::client::r0::room::get_room_event::Request::new(
room.room_id(),
event_id,
))
.await
.ok()?
.event
.deserialize()
.ok()?;
if let AnyRoomEvent::Message(AnyMessageEvent::RoomMessage(message_event)) = event {
Some(message_event)
} else {
None
}
}
async fn on_room_message_event(
ctx: Arc<MatrixHandler>,
event: SyncMessageEvent<MessageEventContent>,
@ -112,20 +140,26 @@ async fn on_room_message_event(
}
if let Room::Joined(room) = room {
if let Some(Relation::Replacement(replacement)) = &event.content.relates_to {
on_message_edited(ctx, &event, room, replacement).await;
} else {
on_message_sent(ctx, &event, room).await;
}
}
}
async fn on_message_sent(
ctx: Arc<MatrixHandler>,
event: &SyncMessageEvent<MessageEventContent>,
room: Joined,
) {
let message_ref = MessageReference::from((room.room_id(), &event.event_id));
let message_type =
if let Some(Relation::Replacement(replacement)) = &event.content.relates_to {
&replacement.new_content.msgtype
} else {
&event.content.msgtype
};
match message_type {
if let Some(author) = ctx.get_message_author(&room, &event.sender).await {
let message_event = match &event.content.msgtype {
MessageType::Text(text) => {
let content = ctx.get_content(&text.body, &text.formatted);
if let Some(author) = ctx.get_message_author(&room, &event.sender).await {
let replies_to =
if let Some(Relation::Reply { in_reply_to }) = &event.content.relates_to {
Some(MessageReference::from((
@ -136,65 +170,68 @@ async fn on_room_message_event(
None
};
let _ = ctx.message_tx.send(MessageEvent::Send(SentMessage {
Some(MessageEvent::Send(SentMessage {
source: message_ref,
content,
author,
replies_to,
}));
}
}))
}
MessageType::Emote(emote) => {
let mut content = ctx.get_content(&emote.body, &emote.formatted);
content.insert(0, MessageComponent::Plain("* ".to_string()));
if let Some(author) = ctx.get_message_author(&room, &event.sender).await {
let _ = ctx.message_tx.send(MessageEvent::Send(SentMessage {
Some(MessageEvent::Send(SentMessage {
source: message_ref,
content,
author,
replies_to: None,
}));
}
}))
}
// TODO: Handle reactions, uploads (audio, video, image, file), and any other types of event
_ => {}
_ => None,
};
if let Some(e) = message_event {
let _ = ctx.message_tx.send(e);
}
}
let _ = room.read_receipt(&event.event_id).await;
}
async fn on_message_edited(
ctx: Arc<MatrixHandler>,
event: &SyncMessageEvent<MessageEventContent>,
room: Joined,
replacement: &Replacement,
) {
let message_ref = MessageReference::from((room.room_id(), &replacement.event_id));
if let MessageType::Text(text) = &replacement.new_content.msgtype {
let content = ctx.get_content(&text.body, &text.formatted);
if let Some(author) = ctx.get_message_author(&room, &event.sender).await {
let _ = ctx.message_tx.send(MessageEvent::Edit(EditedMessage {
replacing: message_ref,
content,
author,
}));
}
}
}
pub async fn forward_to_matrix(
client: &Client,
room_id: RoomId,
message: &SentMessage,
reply: Option<(String, String)>,
replying_to: Option<EventId>,
) -> Option<MessageReference> {
if let Some(room) = client.get_joined_room(&room_id) {
let replied_message_event = if let Some((room_id, event_id)) = reply {
let event = room
.event(
matrix_sdk::ruma::api::client::r0::room::get_room_event::Request::new(
&RoomId::from_str(&room_id).unwrap(),
&EventId::from_str(&event_id).unwrap(),
),
)
.await
.unwrap()
.event
.deserialize()
.unwrap();
if let AnyRoomEvent::Message(AnyMessageEvent::RoomMessage(original_message_event)) =
event
{
Some(original_message_event)
} else {
None
}
let replied_message_event = if let Some(event_id) = replying_to {
get_room_message_event(&room, &event_id).await
} else {
None
};
@ -223,6 +260,64 @@ pub async fn forward_to_matrix(
None
}
pub async fn edit_on_matrix(
client: &Client,
room_id: RoomId,
event_id: EventId,
message: &EditedMessage,
) -> Option<MessageReference> {
if let Some(room) = client.get_joined_room(&room_id) {
if let Some(original_message_event) = get_room_message_event(&room, &event_id).await {
if let Some(Relation::Replacement(_)) = &original_message_event.content.relates_to {
return None;
}
let replied_message_event = if let Some(Relation::Reply { in_reply_to }) =
&original_message_event.content.relates_to
{
get_room_message_event(&room, &in_reply_to.event_id).await
} else {
None
};
let plain_reply = format_discord(&message.content);
let html_reply = format_matrix(&message.content);
let mut edit_content = if let Some(replied_message_event) = &replied_message_event {
MessageEventContent::text_reply_html(
format!("* {}", &plain_reply),
format!("* {}", html_reply),
replied_message_event,
)
} else {
MessageEventContent::text_html(
format!("* {}", &plain_reply),
format!("* {}", html_reply),
)
};
let basic_content = if let Some(replied_message_event) = &replied_message_event {
MessageEventContent::text_reply_html(plain_reply, html_reply, replied_message_event)
} else {
MessageEventContent::text_html(plain_reply, html_reply)
};
edit_content.relates_to = Some(Relation::Replacement(Replacement::new(
event_id,
Box::new(basic_content),
)));
let new_event = room
.send(AnyMessageEventContent::RoomMessage(edit_content), None)
.await
.ok()?;
return Some(MessageReference::from((&room_id, &new_event.event_id)));
}
}
None
}
pub async fn create_matrix_client(
homeserver_url: String,
username: String,

2
src/messages.rs
View File

@ -2,7 +2,7 @@ use serde::{Deserialize, Serialize};
use crate::{channels::ChannelReference, message_ast::MessageContent};
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq)]
#[derive(Serialize, Deserialize, Clone, PartialEq, Eq, Hash)]
pub enum MessageReference {
Discord(u64, u64),
Matrix(String, String),