Files
handmade-revolt-backend/crates/quark/src/impl/generic/channels/message.rs

462 lines
13 KiB
Rust

use std::collections::HashSet;
use serde_json::json;
use ulid::Ulid;
use validator::Validate;
use crate::{
events::client::EventV1,
models::{
message::{
AppendMessage, BulkMessageResponse, Interactions, PartialMessage, SendableEmbed,
SystemMessage,
},
Channel, Emoji, Message, User,
},
permissions::PermissionCalculator,
presence::presence_filter_online,
tasks::ack::AckEvent,
types::{
january::{Embed, Text},
push::{PushNotification, MessageAuthor},
},
Database, Error, Permission, Result,
};
impl Message {
/// Create a message
pub async fn create_no_web_push(
&mut self,
db: &Database,
channel: &str,
is_direct_dm: bool,
) -> Result<()> {
db.insert_message(self).await?;
// Fan out events
EventV1::Message(self.clone()).p(channel.to_string()).await;
// Update last_message_id
crate::tasks::last_message_id::queue(
channel.to_string(),
self.id.to_string(),
is_direct_dm,
)
.await;
// Add mentions for affected users
if let Some(mentions) = &self.mentions {
for user in mentions {
crate::tasks::ack::queue(
channel.to_string(),
user.to_string(),
AckEvent::AddMention {
ids: vec![self.id.to_string()],
},
)
.await;
}
}
Ok(())
}
/// Create a message and Web Push events
pub async fn create(
&mut self,
db: &Database,
channel: &Channel,
sender: Option<MessageAuthor<'_>>,
) -> Result<()> {
self.create_no_web_push(db, channel.id(), channel.is_direct_dm())
.await?;
// Push out Web Push notifications
crate::tasks::web_push::queue(
{
let mut target_ids = vec![];
match &channel {
Channel::DirectMessage { recipients, .. }
| Channel::Group { recipients, .. } => {
target_ids = (&recipients.iter().cloned().collect::<HashSet<String>>()
- &presence_filter_online(recipients).await)
.into_iter()
.collect::<Vec<String>>();
}
Channel::TextChannel { .. } => {
if let Some(mentions) = &self.mentions {
target_ids.append(&mut mentions.clone());
}
}
_ => {}
};
target_ids
},
json!(PushNotification::new(self.clone(), sender, channel.id())).to_string(),
)
.await;
Ok(())
}
/// Update message data
pub async fn update(&mut self, db: &Database, partial: PartialMessage) -> Result<()> {
self.apply_options(partial.clone());
db.update_message(&self.id, &partial).await?;
EventV1::MessageUpdate {
id: self.id.clone(),
channel: self.channel.clone(),
data: partial,
}
.p(self.channel.clone())
.await;
Ok(())
}
/// Append message data
pub async fn append(
db: &Database,
id: String,
channel: String,
append: AppendMessage,
) -> Result<()> {
db.append_message(&id, &append).await?;
EventV1::MessageAppend {
id,
channel: channel.to_string(),
append,
}
.p(channel)
.await;
Ok(())
}
/// Delete a message
pub async fn delete(self, db: &Database) -> Result<()> {
let file_ids: Vec<String> = self
.attachments
.map(|files| files.iter().map(|file| file.id.to_string()).collect())
.unwrap_or_default();
if !file_ids.is_empty() {
db.mark_attachments_as_deleted(&file_ids).await?;
}
db.delete_message(&self.id).await?;
EventV1::MessageDelete {
id: self.id,
channel: self.channel.clone(),
}
.p(self.channel)
.await;
Ok(())
}
/// Bulk delete messages
pub async fn bulk_delete(db: &Database, channel: &str, ids: Vec<String>) -> Result<()> {
db.delete_messages(channel, ids.clone()).await?;
EventV1::BulkMessageDelete {
channel: channel.to_string(),
ids,
}
.p(channel.to_string())
.await;
Ok(())
}
/// Validate the sum of content of a message is under threshold
pub fn validate_sum(
content: &Option<String>,
embeds: &Option<Vec<SendableEmbed>>,
) -> Result<()> {
let mut running_total = 0;
if let Some(content) = content {
running_total += content.len();
}
if let Some(embeds) = embeds {
for embed in embeds {
if let Some(desc) = &embed.description {
running_total += desc.len();
}
}
}
if running_total <= 2000 {
Ok(())
} else {
Err(Error::PayloadTooLarge)
}
}
/// Add a reaction to a message
pub async fn add_reaction(&self, db: &Database, user: &User, emoji: &str) -> Result<()> {
// Check how many reactions are already on the message
if self.reactions.len() >= 20 {
return Err(Error::InvalidOperation);
}
// Check if the emoji is whitelisted
if !self.interactions.can_use(emoji) {
return Err(Error::InvalidOperation);
}
// Check if the emoji is usable by us
if !Emoji::can_use(db, emoji).await? {
return Err(Error::InvalidOperation);
}
// Send reaction event
EventV1::MessageReact {
id: self.id.to_string(),
channel_id: self.channel.to_string(),
user_id: user.id.to_string(),
emoji_id: emoji.to_string(),
}
.p(self.channel.to_string())
.await;
// Add emoji
db.add_reaction(&self.id, emoji, &user.id).await
}
/// Remove a reaction from a message
pub async fn remove_reaction(&self, db: &Database, user: &str, emoji: &str) -> Result<()> {
// Check if it actually exists
let empty = if let Some(users) = self.reactions.get(emoji) {
if !users.contains(user) {
return Err(Error::NotFound);
}
users.len() == 1
} else {
return Err(Error::NotFound);
};
// Send reaction event
EventV1::MessageUnreact {
id: self.id.to_string(),
channel_id: self.channel.to_string(),
user_id: user.to_string(),
emoji_id: emoji.to_string(),
}
.p(self.channel.to_string())
.await;
if empty {
// If empty, remove the reaction entirely
db.clear_reaction(&self.id, emoji).await
} else {
// Otherwise only remove that one reaction
db.remove_reaction(&self.id, emoji, user).await
}
}
/// Remove a reaction from a message
pub async fn clear_reaction(&self, db: &Database, emoji: &str) -> Result<()> {
// Send reaction event
EventV1::MessageRemoveReaction {
id: self.id.to_string(),
channel_id: self.channel.to_string(),
emoji_id: emoji.to_string(),
}
.p(self.channel.to_string())
.await;
// Write to database
db.clear_reaction(&self.id, emoji).await
}
/// Gets either the user or the webhook id which sent this message
pub fn author_id(&self) -> &str {
match &self.author {
Some(id) => id,
None => self.webhook.as_deref().unwrap()
}
}
}
pub trait IntoUsers {
fn get_user_ids(&self) -> Vec<String>;
}
impl IntoUsers for Message {
fn get_user_ids(&self) -> Vec<String> {
let mut ids = Vec::new();
if let Some(author) = &self.author {
ids.push(author.clone());
};
if let Some(msg) = &self.system {
match msg {
SystemMessage::UserAdded { id, by, .. }
| SystemMessage::UserRemove { id, by, .. } => {
ids.push(id.clone());
ids.push(by.clone());
}
SystemMessage::UserJoined { id, .. }
| SystemMessage::UserLeft { id, .. }
| SystemMessage::UserKicked { id, .. }
| SystemMessage::UserBanned { id, .. } => ids.push(id.clone()),
SystemMessage::ChannelRenamed { by, .. }
| SystemMessage::ChannelDescriptionChanged { by, .. }
| SystemMessage::ChannelIconChanged { by, .. } => ids.push(by.clone()),
_ => {}
}
}
ids
}
}
impl IntoUsers for Vec<Message> {
fn get_user_ids(&self) -> Vec<String> {
let mut ids = vec![];
for message in self {
ids.append(&mut message.get_user_ids());
}
ids
}
}
impl SystemMessage {
pub fn into_message(self, channel: String) -> Message {
Message {
id: Ulid::new().to_string(),
channel,
author: Some("00000000000000000000000000".to_string()),
system: Some(self),
..Default::default()
}
}
}
impl From<SystemMessage> for String {
fn from(s: SystemMessage) -> String {
match s {
SystemMessage::Text { content } => content,
SystemMessage::UserAdded { .. } => "User added to the channel.".to_string(),
SystemMessage::UserRemove { .. } => "User removed from the channel.".to_string(),
SystemMessage::UserJoined { .. } => "User joined the channel.".to_string(),
SystemMessage::UserLeft { .. } => "User left the channel.".to_string(),
SystemMessage::UserKicked { .. } => "User kicked from the channel.".to_string(),
SystemMessage::UserBanned { .. } => "User banned from the channel.".to_string(),
SystemMessage::ChannelRenamed { .. } => "Channel renamed.".to_string(),
SystemMessage::ChannelDescriptionChanged { .. } => {
"Channel description changed.".to_string()
}
SystemMessage::ChannelIconChanged { .. } => "Channel icon changed.".to_string(),
SystemMessage::ChannelOwnershipChanged { .. } => {
"Channel ownership changed.".to_string()
}
}
}
}
impl SendableEmbed {
pub async fn into_embed(self, db: &Database, message_id: String) -> Result<Embed> {
self.validate()
.map_err(|error| Error::FailedValidation { error })?;
let media = if let Some(id) = self.media {
Some(
db.find_and_use_attachment(&id, "attachments", "message", &message_id)
.await?,
)
} else {
None
};
Ok(Embed::Text(Text {
icon_url: self.icon_url,
url: self.url,
title: self.title,
description: self.description,
media,
colour: self.colour,
}))
}
}
impl BulkMessageResponse {
pub async fn transform(
db: &Database,
channel: &Channel,
messages: Vec<Message>,
include_users: Option<bool>,
) -> Result<BulkMessageResponse> {
if let Some(true) = include_users {
let user_ids = messages.get_user_ids();
let users = User::fetch_foreign_users(db, &user_ids).await?;
Ok(match channel {
Channel::TextChannel { server, .. } | Channel::VoiceChannel { server, .. } => {
BulkMessageResponse::MessagesAndUsers {
messages,
users,
members: Some(db.fetch_members(server, &user_ids).await?),
}
}
_ => BulkMessageResponse::MessagesAndUsers {
messages,
users,
members: None,
},
})
} else {
Ok(BulkMessageResponse::JustMessages(messages))
}
}
}
impl Interactions {
/// Validate interactions info is correct
pub async fn validate(
&self,
db: &Database,
permissions: &mut PermissionCalculator<'_>,
) -> Result<()> {
if let Some(reactions) = &self.reactions {
permissions.throw_permission(db, Permission::React).await?;
if reactions.len() > 20 {
return Err(Error::InvalidOperation);
}
for reaction in reactions {
if !Emoji::can_use(db, reaction).await? {
return Err(Error::InvalidOperation);
}
}
}
Ok(())
}
/// Check if we can use a given emoji to react
pub fn can_use(&self, emoji: &str) -> bool {
if self.restrict_reactions {
if let Some(reactions) = &self.reactions {
reactions.contains(emoji)
} else {
false
}
} else {
true
}
}
/// Check if default initialisation of fields
pub fn is_default(&self) -> bool {
!self.restrict_reactions && self.reactions.is_none()
}
}