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use std::sync::Arc;
use futures::future::join_all;
use tokio::sync::RwLock;
use tokio::sync::Mutex;
use twilight_http::client::Client as TwiClient;
use twilight_http::error::Error as TwiError;
use twilight_http::request::channel::reaction::RequestReactionType;
use twilight_model::channel::message::{AllowedMentions, MentionType, MessageType};
use twilight_model::http::attachment::Attachment;
use super::*;
pub struct Client {
client: Arc<Mutex<TwiClient>>,
bot_conf: Arc<RwLock<BotConfig>>,
}
impl Client {
pub fn new(discord_token: &String, bot_conf: &Arc<RwLock<BotConfig>>) -> Self {
Self {
client: Arc::new(Mutex::new(TwiClient::new(discord_token.clone()))),
bot_conf: bot_conf.clone(),
}
}
pub async fn refetch_message(&self, message_id: MessageId, channel_id: ChannelId) {
let client = self.client.lock().await;
let bot_conf = self.bot_conf.read().await;
let message_channel = bot_conf.message_handler.as_ref().expect("No message handler");
let message = client
.message(channel_id, message_id)
.await
.expect("Could not load message")
.model()
.await
.expect("Could not deserialize message");
let timestamp = if message.edited_timestamp.is_some() {
message.edited_timestamp.unwrap()
} else {
message.timestamp
};
message_channel
.send((timestamp, Message::Complete(message)))
.await;
}
pub async fn delete_message(&self, channel_id: ChannelId, message_id: MessageId) -> Result<(), TwiError> {
let client = self.client.lock().await;
let delete_result = client.delete_message(channel_id, message_id).await;
let member_id = self.bot_conf.read().await.member_id;
drop(client);
match delete_result {
Err(err) => {
match &err.kind() {
twilight_http::error::ErrorType::Response { body: _, error, status: _ } => match error {
twilight_http::api_error::ApiError::General(err) => {
// Code for "Missing Permissions": https://discord.com/developers/docs/topics/opcodes-and-status-codes#json-json-error-codes
if err.code == 50013 {
println!("ERROR: Client {} doesn't have permissions to delete message", member_id);
let _ = self.react_message(channel_id, message_id, &RequestReactionType::Unicode { name: "🔐" }).await;
}
},
_ => (),
},
_ => (),
};
Err(err)
},
_ => Ok(()),
}
}
pub async fn react_message(&self, channel_id: ChannelId, message_id: MessageId, react: &'_ RequestReactionType<'_>) -> Result<(), TwiError> {
let _ = self.client.lock().await.create_reaction(
channel_id,
message_id,
react
).await;
return Ok(())
}
pub async fn duplicate_message(&self, message: &TwiMessage, content: &str) -> Result<TwiMessage, MessageDuplicateError> {
let client = self.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, MessageDuplicateError>| 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)
}
}
#[derive(Debug)]
pub enum MessageDuplicateError {
MessageValidation(twilight_validate::message::MessageValidationError),
AttachmentRequest(reqwest::Error),
MessageCreate(twilight_http::error::Error),
ResponseDeserialization(twilight_http::response::DeserializeBodyError),
}
impl From<twilight_validate::message::MessageValidationError> for MessageDuplicateError {
fn from(value: twilight_validate::message::MessageValidationError) -> Self {
MessageDuplicateError::MessageValidation(value)
}
}
impl From<reqwest::Error> for MessageDuplicateError {
fn from(value: reqwest::Error) -> Self {
MessageDuplicateError::AttachmentRequest(value)
}
}
impl From<twilight_http::error::Error> for MessageDuplicateError {
fn from(value: twilight_http::error::Error) -> Self {
MessageDuplicateError::MessageCreate(value)
}
}
impl From<twilight_http::response::DeserializeBodyError> for MessageDuplicateError {
fn from(value: twilight_http::response::DeserializeBodyError) -> Self {
MessageDuplicateError::ResponseDeserialization(value)
}
}
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