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|
use futures::future::join_all;
use twilight_http::Client;
use twilight_model::channel::{message::{AllowedMentions, MentionType, MessageType}, Message};
use std::sync::Arc;
use tokio::sync::Mutex;
use twilight_model::http::attachment::Attachment;
pub enum ProxyError {
InvalidMessage(twilight_validate::message::MessageValidationError),
AttachmentRequest(reqwest::Error),
MessageCreate(twilight_http::error::Error),
ResponseDeserialization(twilight_http::response::DeserializeBodyError),
}
impl From<twilight_validate::message::MessageValidationError> for ProxyError {
fn from(value: twilight_validate::message::MessageValidationError) -> Self {
ProxyError::InvalidMessage(value)
}
}
impl From<reqwest::Error> for ProxyError{
fn from(value: reqwest::Error) -> Self {
ProxyError::AttachmentRequest(value)
}
}
impl From<twilight_http::error::Error> for ProxyError{
fn from(value: twilight_http::error::Error) -> Self {
ProxyError::MessageCreate(value)
}
}
impl From<twilight_http::response::DeserializeBodyError> for ProxyError{
fn from(value: twilight_http::response::DeserializeBodyError) -> Self {
ProxyError::ResponseDeserialization(value)
}
}
pub async fn duplicate_message(client: &Arc<Mutex<Client>>, message: &Message, content: &str) -> Result<Message, ProxyError> {
let client = client.lock().await;
let mut create_message = client.create_message(message.channel_id).content(content)?;
let mut allowed_mentions = AllowedMentions {
parse: Vec::new(),
replied_user: false,
roles: message.mention_roles.clone(),
users: message.mentions.iter().map(|user| user.id).collect(),
};
if message.mention_everyone {
allowed_mentions.parse.push(MentionType::Everyone);
}
if message.kind == MessageType::Reply {
if let Some(ref_message) = message.referenced_message.as_ref() {
create_message = create_message.reply(ref_message.id);
let pings_referenced_author = message
.mentions
.iter()
.any(|user| user.id == ref_message.author.id);
if pings_referenced_author {
allowed_mentions.replied_user = true;
} else {
allowed_mentions.replied_user = false;
}
} else {
panic!("Cannot proxy message: Was reply but no referenced message");
}
}
let attachments = join_all(message.attachments.iter().map(|attachment| async {
let filename = attachment.filename.clone();
let description_opt = attachment.description.clone();
let bytes = reqwest::get(attachment.proxy_url.clone())
.await?
.bytes()
.await?;
let mut new_attachment =
Attachment::from_bytes(filename, bytes.try_into().unwrap(), attachment.id.into());
if let Some(description) = description_opt {
new_attachment.description(description);
}
Ok(new_attachment)
}))
.await
.iter()
.filter_map(
|result: &Result<Attachment, ProxyError>| match result {
Ok(attachment) => Some(attachment.clone()),
Err(_) => None,
},
)
.collect::<Vec<_>>();
if attachments.len() > 0 {
create_message = create_message.attachments(attachments.as_slice())?;
}
if let Some(flags) = message.flags {
create_message = create_message.flags(flags);
}
create_message = create_message.allowed_mentions(Some(&allowed_mentions));
let new_message = create_message.await?.model().await?;
Ok(new_message)
}
|
