1413 lines
48 KiB
Rust
1413 lines
48 KiB
Rust
use super::*;
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use rpc::proto::{channel_member::Kind, ChannelEdge};
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impl Database {
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#[cfg(test)]
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pub async fn all_channels(&self) -> Result<Vec<(ChannelId, String)>> {
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self.transaction(move |tx| async move {
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let mut channels = Vec::new();
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let mut rows = channel::Entity::find().stream(&*tx).await?;
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while let Some(row) = rows.next().await {
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let row = row?;
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channels.push((row.id, row.name));
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}
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Ok(channels)
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})
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.await
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}
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pub async fn create_root_channel(&self, name: &str, creator_id: UserId) -> Result<ChannelId> {
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self.create_channel(name, None, creator_id).await
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}
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pub async fn create_channel(
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&self,
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name: &str,
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parent: Option<ChannelId>,
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creator_id: UserId,
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) -> Result<ChannelId> {
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let name = Self::sanitize_channel_name(name)?;
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self.transaction(move |tx| async move {
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if let Some(parent) = parent {
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self.check_user_is_channel_admin(parent, creator_id, &*tx)
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.await?;
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}
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let channel = channel::ActiveModel {
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id: ActiveValue::NotSet,
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name: ActiveValue::Set(name.to_string()),
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visibility: ActiveValue::Set(ChannelVisibility::Members),
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}
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.insert(&*tx)
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.await?;
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if let Some(parent) = parent {
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let sql = r#"
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INSERT INTO channel_paths
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(id_path, channel_id)
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SELECT
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id_path || $1 || '/', $2
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FROM
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channel_paths
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WHERE
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channel_id = $3
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"#;
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let channel_paths_stmt = Statement::from_sql_and_values(
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self.pool.get_database_backend(),
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sql,
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[
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channel.id.to_proto().into(),
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channel.id.to_proto().into(),
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parent.to_proto().into(),
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],
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);
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tx.execute(channel_paths_stmt).await?;
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} else {
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channel_path::Entity::insert(channel_path::ActiveModel {
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channel_id: ActiveValue::Set(channel.id),
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id_path: ActiveValue::Set(format!("/{}/", channel.id)),
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})
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.exec(&*tx)
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.await?;
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}
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channel_member::ActiveModel {
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id: ActiveValue::NotSet,
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channel_id: ActiveValue::Set(channel.id),
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user_id: ActiveValue::Set(creator_id),
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accepted: ActiveValue::Set(true),
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role: ActiveValue::Set(ChannelRole::Admin),
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}
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.insert(&*tx)
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.await?;
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Ok(channel.id)
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})
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.await
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}
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pub async fn join_channel(
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&self,
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channel_id: ChannelId,
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user_id: UserId,
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connection: ConnectionId,
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environment: &str,
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) -> Result<(JoinRoom, Option<ChannelId>)> {
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self.transaction(move |tx| async move {
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let mut joined_channel_id = None;
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let channel = channel::Entity::find()
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.filter(channel::Column::Id.eq(channel_id))
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.one(&*tx)
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.await?;
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let mut role = self
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.channel_role_for_user(channel_id, user_id, &*tx)
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.await?;
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if role.is_none() && channel.is_some() {
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if let Some(invitation) = self
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.pending_invite_for_channel(channel_id, user_id, &*tx)
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.await?
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{
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// note, this may be a parent channel
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joined_channel_id = Some(invitation.channel_id);
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role = Some(invitation.role);
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channel_member::Entity::update(channel_member::ActiveModel {
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accepted: ActiveValue::Set(true),
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..invitation.into_active_model()
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})
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.exec(&*tx)
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.await?;
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debug_assert!(
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self.channel_role_for_user(channel_id, user_id, &*tx)
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.await?
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== role
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);
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}
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}
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if role.is_none()
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&& channel.as_ref().map(|c| c.visibility) == Some(ChannelVisibility::Public)
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{
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let channel_id_to_join = self
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.most_public_ancestor_for_channel(channel_id, &*tx)
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.await?
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.unwrap_or(channel_id);
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// TODO: change this back to Guest.
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role = Some(ChannelRole::Member);
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joined_channel_id = Some(channel_id_to_join);
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channel_member::Entity::insert(channel_member::ActiveModel {
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id: ActiveValue::NotSet,
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channel_id: ActiveValue::Set(channel_id_to_join),
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user_id: ActiveValue::Set(user_id),
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accepted: ActiveValue::Set(true),
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// TODO: change this back to Guest.
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role: ActiveValue::Set(ChannelRole::Member),
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})
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.exec(&*tx)
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.await?;
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debug_assert!(
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self.channel_role_for_user(channel_id, user_id, &*tx)
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.await?
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== role
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);
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}
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if channel.is_none() || role.is_none() || role == Some(ChannelRole::Banned) {
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Err(anyhow!("no such channel, or not allowed"))?
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}
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let live_kit_room = format!("channel-{}", nanoid::nanoid!(30));
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let room_id = self
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.get_or_create_channel_room(channel_id, &live_kit_room, environment, &*tx)
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.await?;
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self.join_channel_room_internal(channel_id, room_id, user_id, connection, &*tx)
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.await
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.map(|jr| (jr, joined_channel_id))
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})
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.await
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}
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pub async fn set_channel_visibility(
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&self,
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channel_id: ChannelId,
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visibility: ChannelVisibility,
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user_id: UserId,
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) -> Result<channel::Model> {
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self.transaction(move |tx| async move {
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self.check_user_is_channel_admin(channel_id, user_id, &*tx)
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.await?;
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let channel = channel::ActiveModel {
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id: ActiveValue::Unchanged(channel_id),
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visibility: ActiveValue::Set(visibility),
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..Default::default()
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}
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.update(&*tx)
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.await?;
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Ok(channel)
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})
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.await
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}
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pub async fn delete_channel(
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&self,
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channel_id: ChannelId,
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user_id: UserId,
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) -> Result<(Vec<ChannelId>, Vec<UserId>)> {
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self.transaction(move |tx| async move {
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self.check_user_is_channel_admin(channel_id, user_id, &*tx)
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.await?;
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// Don't remove descendant channels that have additional parents.
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let mut channels_to_remove: HashSet<ChannelId> = HashSet::default();
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channels_to_remove.insert(channel_id);
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let graph = self.get_channel_descendants([channel_id], &*tx).await?;
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for edge in graph.iter() {
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channels_to_remove.insert(ChannelId::from_proto(edge.channel_id));
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}
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{
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let mut channels_to_keep = channel_path::Entity::find()
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.filter(
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channel_path::Column::ChannelId
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.is_in(channels_to_remove.iter().copied())
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.and(
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channel_path::Column::IdPath
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.not_like(&format!("%/{}/%", channel_id)),
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),
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)
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.stream(&*tx)
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.await?;
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while let Some(row) = channels_to_keep.next().await {
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let row = row?;
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channels_to_remove.remove(&row.channel_id);
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}
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}
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let channel_ancestors = self.get_channel_ancestors(channel_id, &*tx).await?;
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let members_to_notify: Vec<UserId> = channel_member::Entity::find()
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.filter(channel_member::Column::ChannelId.is_in(channel_ancestors))
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.select_only()
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.column(channel_member::Column::UserId)
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.distinct()
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.into_values::<_, QueryUserIds>()
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.all(&*tx)
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.await?;
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channel::Entity::delete_many()
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.filter(channel::Column::Id.is_in(channels_to_remove.iter().copied()))
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.exec(&*tx)
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.await?;
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// Delete any other paths that include this channel
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let sql = r#"
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DELETE FROM channel_paths
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WHERE
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id_path LIKE '%' || $1 || '%'
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"#;
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let channel_paths_stmt = Statement::from_sql_and_values(
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self.pool.get_database_backend(),
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sql,
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[channel_id.to_proto().into()],
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);
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tx.execute(channel_paths_stmt).await?;
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Ok((channels_to_remove.into_iter().collect(), members_to_notify))
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})
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.await
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}
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pub async fn invite_channel_member(
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&self,
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channel_id: ChannelId,
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invitee_id: UserId,
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inviter_id: UserId,
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role: ChannelRole,
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) -> Result<NotificationBatch> {
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self.transaction(move |tx| async move {
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self.check_user_is_channel_admin(channel_id, inviter_id, &*tx)
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.await?;
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let channel = channel::Entity::find_by_id(channel_id)
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.one(&*tx)
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.await?
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.ok_or_else(|| anyhow!("no such channel"))?;
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channel_member::ActiveModel {
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id: ActiveValue::NotSet,
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channel_id: ActiveValue::Set(channel_id),
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user_id: ActiveValue::Set(invitee_id),
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accepted: ActiveValue::Set(false),
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role: ActiveValue::Set(role),
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}
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.insert(&*tx)
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.await?;
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Ok(self
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.create_notification(
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invitee_id,
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rpc::Notification::ChannelInvitation {
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channel_id: channel_id.to_proto(),
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channel_name: channel.name,
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inviter_id: inviter_id.to_proto(),
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},
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true,
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&*tx,
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)
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.await?
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.into_iter()
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.collect())
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})
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.await
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}
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fn sanitize_channel_name(name: &str) -> Result<&str> {
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let new_name = name.trim().trim_start_matches('#');
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if new_name == "" {
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Err(anyhow!("channel name can't be blank"))?;
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}
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Ok(new_name)
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}
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pub async fn rename_channel(
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&self,
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channel_id: ChannelId,
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user_id: UserId,
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new_name: &str,
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) -> Result<Channel> {
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self.transaction(move |tx| async move {
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let new_name = Self::sanitize_channel_name(new_name)?.to_string();
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self.check_user_is_channel_admin(channel_id, user_id, &*tx)
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.await?;
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let channel = channel::ActiveModel {
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id: ActiveValue::Unchanged(channel_id),
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name: ActiveValue::Set(new_name.clone()),
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..Default::default()
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}
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.update(&*tx)
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.await?;
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Ok(Channel {
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id: channel.id,
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name: channel.name,
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visibility: channel.visibility,
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})
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})
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.await
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}
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pub async fn respond_to_channel_invite(
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&self,
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channel_id: ChannelId,
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user_id: UserId,
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accept: bool,
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) -> Result<NotificationBatch> {
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self.transaction(move |tx| async move {
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let rows_affected = if accept {
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channel_member::Entity::update_many()
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.set(channel_member::ActiveModel {
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accepted: ActiveValue::Set(accept),
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..Default::default()
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})
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.filter(
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channel_member::Column::ChannelId
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.eq(channel_id)
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.and(channel_member::Column::UserId.eq(user_id))
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.and(channel_member::Column::Accepted.eq(false)),
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)
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.exec(&*tx)
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.await?
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.rows_affected
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} else {
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channel_member::Entity::delete_many()
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.filter(
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channel_member::Column::ChannelId
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.eq(channel_id)
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.and(channel_member::Column::UserId.eq(user_id))
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.and(channel_member::Column::Accepted.eq(false)),
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)
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.exec(&*tx)
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.await?
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.rows_affected
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};
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if rows_affected == 0 {
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Err(anyhow!("no such invitation"))?;
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}
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Ok(self
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.respond_to_notification(
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user_id,
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&rpc::Notification::ChannelInvitation {
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channel_id: channel_id.to_proto(),
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channel_name: Default::default(),
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inviter_id: Default::default(),
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},
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accept,
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&*tx,
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)
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.await?
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.into_iter()
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.collect())
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})
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.await
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}
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pub async fn remove_channel_member(
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&self,
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channel_id: ChannelId,
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member_id: UserId,
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admin_id: UserId,
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) -> Result<Option<NotificationId>> {
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self.transaction(|tx| async move {
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self.check_user_is_channel_admin(channel_id, admin_id, &*tx)
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.await?;
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let result = channel_member::Entity::delete_many()
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.filter(
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channel_member::Column::ChannelId
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.eq(channel_id)
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.and(channel_member::Column::UserId.eq(member_id)),
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)
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.exec(&*tx)
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.await?;
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if result.rows_affected == 0 {
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Err(anyhow!("no such member"))?;
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}
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Ok(self
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.remove_notification(
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member_id,
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rpc::Notification::ChannelInvitation {
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channel_id: channel_id.to_proto(),
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channel_name: Default::default(),
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inviter_id: Default::default(),
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},
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&*tx,
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)
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.await?)
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})
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.await
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}
|
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|
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pub async fn get_channel_invites_for_user(&self, user_id: UserId) -> Result<Vec<Channel>> {
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self.transaction(|tx| async move {
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let channel_invites = channel_member::Entity::find()
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.filter(
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channel_member::Column::UserId
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.eq(user_id)
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.and(channel_member::Column::Accepted.eq(false)),
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)
|
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.all(&*tx)
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.await?;
|
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|
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let channels = channel::Entity::find()
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.filter(
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channel::Column::Id.is_in(
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channel_invites
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.into_iter()
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.map(|channel_member| channel_member.channel_id),
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),
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)
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.all(&*tx)
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.await?;
|
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|
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let channels = channels
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.into_iter()
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.map(|channel| Channel {
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id: channel.id,
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name: channel.name,
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visibility: channel.visibility,
|
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})
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.collect();
|
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|
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Ok(channels)
|
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})
|
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.await
|
|
}
|
|
|
|
pub async fn get_channels_for_user(&self, user_id: UserId) -> Result<ChannelsForUser> {
|
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self.transaction(|tx| async move {
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let tx = tx;
|
|
|
|
let channel_memberships = channel_member::Entity::find()
|
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.filter(
|
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channel_member::Column::UserId
|
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.eq(user_id)
|
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.and(channel_member::Column::Accepted.eq(true)),
|
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)
|
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.all(&*tx)
|
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.await?;
|
|
|
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self.get_user_channels(user_id, channel_memberships, &tx)
|
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.await
|
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})
|
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.await
|
|
}
|
|
|
|
pub async fn get_channel_for_user(
|
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&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
) -> Result<ChannelsForUser> {
|
|
self.transaction(|tx| async move {
|
|
let tx = tx;
|
|
|
|
let channel_membership = channel_member::Entity::find()
|
|
.filter(
|
|
channel_member::Column::UserId
|
|
.eq(user_id)
|
|
.and(channel_member::Column::ChannelId.eq(channel_id))
|
|
.and(channel_member::Column::Accepted.eq(true)),
|
|
)
|
|
.all(&*tx)
|
|
.await?;
|
|
|
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self.get_user_channels(user_id, channel_membership, &tx)
|
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.await
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub async fn get_user_channels(
|
|
&self,
|
|
user_id: UserId,
|
|
channel_memberships: Vec<channel_member::Model>,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<ChannelsForUser> {
|
|
let mut edges = self
|
|
.get_channel_descendants(channel_memberships.iter().map(|m| m.channel_id), &*tx)
|
|
.await?;
|
|
|
|
let mut role_for_channel: HashMap<ChannelId, ChannelRole> = HashMap::default();
|
|
|
|
for membership in channel_memberships.iter() {
|
|
role_for_channel.insert(membership.channel_id, membership.role);
|
|
}
|
|
|
|
for ChannelEdge {
|
|
parent_id,
|
|
channel_id,
|
|
} in edges.iter()
|
|
{
|
|
let parent_id = ChannelId::from_proto(*parent_id);
|
|
let channel_id = ChannelId::from_proto(*channel_id);
|
|
debug_assert!(role_for_channel.get(&parent_id).is_some());
|
|
let parent_role = role_for_channel[&parent_id];
|
|
if let Some(existing_role) = role_for_channel.get(&channel_id) {
|
|
if existing_role.should_override(parent_role) {
|
|
continue;
|
|
}
|
|
}
|
|
role_for_channel.insert(channel_id, parent_role);
|
|
}
|
|
|
|
let mut channels: Vec<Channel> = Vec::new();
|
|
let mut channels_with_admin_privileges: HashSet<ChannelId> = HashSet::default();
|
|
let mut channels_to_remove: HashSet<u64> = HashSet::default();
|
|
|
|
let mut rows = channel::Entity::find()
|
|
.filter(channel::Column::Id.is_in(role_for_channel.keys().copied()))
|
|
.stream(&*tx)
|
|
.await?;
|
|
|
|
while let Some(row) = rows.next().await {
|
|
let channel = row?;
|
|
let role = role_for_channel[&channel.id];
|
|
|
|
if role == ChannelRole::Banned
|
|
|| role == ChannelRole::Guest && channel.visibility != ChannelVisibility::Public
|
|
{
|
|
channels_to_remove.insert(channel.id.0 as u64);
|
|
continue;
|
|
}
|
|
|
|
channels.push(Channel {
|
|
id: channel.id,
|
|
name: channel.name,
|
|
visibility: channel.visibility,
|
|
});
|
|
|
|
if role == ChannelRole::Admin {
|
|
channels_with_admin_privileges.insert(channel.id);
|
|
}
|
|
}
|
|
drop(rows);
|
|
|
|
if !channels_to_remove.is_empty() {
|
|
// Note: this code assumes each channel has one parent.
|
|
// If there are multiple valid public paths to a channel,
|
|
// e.g.
|
|
// If both of these paths are present (* indicating public):
|
|
// - zed* -> projects -> vim*
|
|
// - zed* -> conrad -> public-projects* -> vim*
|
|
// Users would only see one of them (based on edge sort order)
|
|
let mut replacement_parent: HashMap<u64, u64> = HashMap::default();
|
|
for ChannelEdge {
|
|
parent_id,
|
|
channel_id,
|
|
} in edges.iter()
|
|
{
|
|
if channels_to_remove.contains(channel_id) {
|
|
replacement_parent.insert(*channel_id, *parent_id);
|
|
}
|
|
}
|
|
|
|
let mut new_edges: Vec<ChannelEdge> = Vec::new();
|
|
'outer: for ChannelEdge {
|
|
mut parent_id,
|
|
channel_id,
|
|
} in edges.iter()
|
|
{
|
|
if channels_to_remove.contains(channel_id) {
|
|
continue;
|
|
}
|
|
while channels_to_remove.contains(&parent_id) {
|
|
if let Some(new_parent_id) = replacement_parent.get(&parent_id) {
|
|
parent_id = *new_parent_id;
|
|
} else {
|
|
continue 'outer;
|
|
}
|
|
}
|
|
new_edges.push(ChannelEdge {
|
|
parent_id,
|
|
channel_id: *channel_id,
|
|
})
|
|
}
|
|
edges = new_edges;
|
|
}
|
|
|
|
#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
|
|
enum QueryUserIdsAndChannelIds {
|
|
ChannelId,
|
|
UserId,
|
|
}
|
|
|
|
let mut channel_participants: HashMap<ChannelId, Vec<UserId>> = HashMap::default();
|
|
{
|
|
let mut rows = room_participant::Entity::find()
|
|
.inner_join(room::Entity)
|
|
.filter(room::Column::ChannelId.is_in(channels.iter().map(|c| c.id)))
|
|
.select_only()
|
|
.column(room::Column::ChannelId)
|
|
.column(room_participant::Column::UserId)
|
|
.into_values::<_, QueryUserIdsAndChannelIds>()
|
|
.stream(&*tx)
|
|
.await?;
|
|
while let Some(row) = rows.next().await {
|
|
let row: (ChannelId, UserId) = row?;
|
|
channel_participants.entry(row.0).or_default().push(row.1)
|
|
}
|
|
}
|
|
|
|
let channel_ids = channels.iter().map(|c| c.id).collect::<Vec<_>>();
|
|
let channel_buffer_changes = self
|
|
.unseen_channel_buffer_changes(user_id, &channel_ids, &*tx)
|
|
.await?;
|
|
|
|
let unseen_messages = self
|
|
.unseen_channel_messages(user_id, &channel_ids, &*tx)
|
|
.await?;
|
|
|
|
Ok(ChannelsForUser {
|
|
channels: ChannelGraph { channels, edges },
|
|
channel_participants,
|
|
channels_with_admin_privileges,
|
|
unseen_buffer_changes: channel_buffer_changes,
|
|
channel_messages: unseen_messages,
|
|
})
|
|
}
|
|
|
|
pub async fn get_channel_members(&self, id: ChannelId) -> Result<Vec<UserId>> {
|
|
self.transaction(|tx| async move { self.get_channel_participants_internal(id, &*tx).await })
|
|
.await
|
|
}
|
|
|
|
pub async fn set_channel_member_role(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
admin_id: UserId,
|
|
for_user: UserId,
|
|
role: ChannelRole,
|
|
) -> Result<channel_member::Model> {
|
|
self.transaction(|tx| async move {
|
|
self.check_user_is_channel_admin(channel_id, admin_id, &*tx)
|
|
.await?;
|
|
|
|
let membership = channel_member::Entity::find()
|
|
.filter(
|
|
channel_member::Column::ChannelId
|
|
.eq(channel_id)
|
|
.and(channel_member::Column::UserId.eq(for_user)),
|
|
)
|
|
.one(&*tx)
|
|
.await?;
|
|
|
|
let Some(membership) = membership else {
|
|
Err(anyhow!("no such member"))?
|
|
};
|
|
|
|
let mut update = membership.into_active_model();
|
|
update.role = ActiveValue::Set(role);
|
|
let updated = channel_member::Entity::update(update).exec(&*tx).await?;
|
|
|
|
Ok(updated)
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub async fn get_channel_participant_details(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
) -> Result<Vec<proto::ChannelMember>> {
|
|
self.transaction(|tx| async move {
|
|
let role = self
|
|
.check_user_is_channel_member(channel_id, user_id, &*tx)
|
|
.await?;
|
|
|
|
let channel_visibility = channel::Entity::find()
|
|
.filter(channel::Column::Id.eq(channel_id))
|
|
.one(&*tx)
|
|
.await?
|
|
.map(|channel| channel.visibility)
|
|
.unwrap_or(ChannelVisibility::Members);
|
|
|
|
#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
|
|
enum QueryMemberDetails {
|
|
UserId,
|
|
Role,
|
|
IsDirectMember,
|
|
Accepted,
|
|
Visibility,
|
|
}
|
|
|
|
let tx = tx;
|
|
let ancestor_ids = self.get_channel_ancestors(channel_id, &*tx).await?;
|
|
let mut stream = channel_member::Entity::find()
|
|
.left_join(channel::Entity)
|
|
.filter(channel_member::Column::ChannelId.is_in(ancestor_ids.iter().copied()))
|
|
.select_only()
|
|
.column(channel_member::Column::UserId)
|
|
.column(channel_member::Column::Role)
|
|
.column_as(
|
|
channel_member::Column::ChannelId.eq(channel_id),
|
|
QueryMemberDetails::IsDirectMember,
|
|
)
|
|
.column(channel_member::Column::Accepted)
|
|
.column(channel::Column::Visibility)
|
|
.into_values::<_, QueryMemberDetails>()
|
|
.stream(&*tx)
|
|
.await?;
|
|
|
|
struct UserDetail {
|
|
kind: Kind,
|
|
channel_role: ChannelRole,
|
|
}
|
|
let mut user_details: HashMap<UserId, UserDetail> = HashMap::default();
|
|
|
|
while let Some(user_membership) = stream.next().await {
|
|
let (user_id, channel_role, is_direct_member, is_invite_accepted, visibility): (
|
|
UserId,
|
|
ChannelRole,
|
|
bool,
|
|
bool,
|
|
ChannelVisibility,
|
|
) = user_membership?;
|
|
let kind = match (is_direct_member, is_invite_accepted) {
|
|
(true, true) => proto::channel_member::Kind::Member,
|
|
(true, false) => proto::channel_member::Kind::Invitee,
|
|
(false, true) => proto::channel_member::Kind::AncestorMember,
|
|
(false, false) => continue,
|
|
};
|
|
|
|
if channel_role == ChannelRole::Guest
|
|
&& visibility != ChannelVisibility::Public
|
|
&& channel_visibility != ChannelVisibility::Public
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if let Some(details_mut) = user_details.get_mut(&user_id) {
|
|
if channel_role.should_override(details_mut.channel_role) {
|
|
details_mut.channel_role = channel_role;
|
|
}
|
|
if kind == Kind::Member {
|
|
details_mut.kind = kind;
|
|
// the UI is going to be a bit confusing if you already have permissions
|
|
// that are greater than or equal to the ones you're being invited to.
|
|
} else if kind == Kind::Invitee && details_mut.kind == Kind::AncestorMember {
|
|
details_mut.kind = kind;
|
|
}
|
|
} else {
|
|
user_details.insert(user_id, UserDetail { kind, channel_role });
|
|
}
|
|
}
|
|
|
|
Ok(user_details
|
|
.into_iter()
|
|
.filter_map(|(user_id, details)| {
|
|
// If the user is not an admin, don't give them all of the details
|
|
if role != ChannelRole::Admin {
|
|
if details.kind == Kind::AncestorMember {
|
|
return None;
|
|
}
|
|
return None;
|
|
}
|
|
|
|
Some(proto::ChannelMember {
|
|
user_id: user_id.to_proto(),
|
|
kind: details.kind.into(),
|
|
role: details.channel_role.into(),
|
|
})
|
|
})
|
|
.collect())
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub async fn get_channel_participants_internal(
|
|
&self,
|
|
id: ChannelId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Vec<UserId>> {
|
|
let ancestor_ids = self.get_channel_ancestors(id, tx).await?;
|
|
let user_ids = channel_member::Entity::find()
|
|
.distinct()
|
|
.filter(
|
|
channel_member::Column::ChannelId
|
|
.is_in(ancestor_ids.iter().copied())
|
|
.and(channel_member::Column::Accepted.eq(true)),
|
|
)
|
|
.select_only()
|
|
.column(channel_member::Column::UserId)
|
|
.into_values::<_, QueryUserIds>()
|
|
.all(&*tx)
|
|
.await?;
|
|
Ok(user_ids)
|
|
}
|
|
|
|
pub async fn check_user_is_channel_admin(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<()> {
|
|
match self.channel_role_for_user(channel_id, user_id, tx).await? {
|
|
Some(ChannelRole::Admin) => Ok(()),
|
|
Some(ChannelRole::Member)
|
|
| Some(ChannelRole::Banned)
|
|
| Some(ChannelRole::Guest)
|
|
| None => Err(anyhow!(
|
|
"user is not a channel admin or channel does not exist"
|
|
))?,
|
|
}
|
|
}
|
|
|
|
pub async fn check_user_is_channel_member(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<ChannelRole> {
|
|
let channel_role = self.channel_role_for_user(channel_id, user_id, tx).await?;
|
|
match channel_role {
|
|
Some(ChannelRole::Admin) | Some(ChannelRole::Member) => Ok(channel_role.unwrap()),
|
|
Some(ChannelRole::Banned) | Some(ChannelRole::Guest) | None => Err(anyhow!(
|
|
"user is not a channel member or channel does not exist"
|
|
))?,
|
|
}
|
|
}
|
|
|
|
pub async fn check_user_is_channel_participant(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<()> {
|
|
match self.channel_role_for_user(channel_id, user_id, tx).await? {
|
|
Some(ChannelRole::Admin) | Some(ChannelRole::Member) | Some(ChannelRole::Guest) => {
|
|
Ok(())
|
|
}
|
|
Some(ChannelRole::Banned) | None => Err(anyhow!(
|
|
"user is not a channel participant or channel does not exist"
|
|
))?,
|
|
}
|
|
}
|
|
|
|
pub async fn pending_invite_for_channel(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Option<channel_member::Model>> {
|
|
let channel_ids = self.get_channel_ancestors(channel_id, tx).await?;
|
|
|
|
let row = channel_member::Entity::find()
|
|
.filter(channel_member::Column::ChannelId.is_in(channel_ids))
|
|
.filter(channel_member::Column::UserId.eq(user_id))
|
|
.filter(channel_member::Column::Accepted.eq(false))
|
|
.one(&*tx)
|
|
.await?;
|
|
|
|
Ok(row)
|
|
}
|
|
|
|
pub async fn most_public_ancestor_for_channel(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Option<ChannelId>> {
|
|
// Note: if there are many paths to a channel, this will return just one
|
|
let arbitary_path = channel_path::Entity::find()
|
|
.filter(channel_path::Column::ChannelId.eq(channel_id))
|
|
.order_by(channel_path::Column::IdPath, sea_orm::Order::Desc)
|
|
.one(tx)
|
|
.await?;
|
|
|
|
let Some(path) = arbitary_path else {
|
|
return Ok(None);
|
|
};
|
|
|
|
let ancestor_ids: Vec<ChannelId> = path
|
|
.id_path
|
|
.trim_matches('/')
|
|
.split('/')
|
|
.map(|id| ChannelId::from_proto(id.parse().unwrap()))
|
|
.collect();
|
|
|
|
let rows = channel::Entity::find()
|
|
.filter(channel::Column::Id.is_in(ancestor_ids.iter().copied()))
|
|
.filter(channel::Column::Visibility.eq(ChannelVisibility::Public))
|
|
.all(&*tx)
|
|
.await?;
|
|
|
|
let mut visible_channels: HashSet<ChannelId> = HashSet::default();
|
|
|
|
for row in rows {
|
|
visible_channels.insert(row.id);
|
|
}
|
|
|
|
for ancestor in ancestor_ids {
|
|
if visible_channels.contains(&ancestor) {
|
|
return Ok(Some(ancestor));
|
|
}
|
|
}
|
|
|
|
Ok(None)
|
|
}
|
|
|
|
pub async fn channel_role_for_user(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
user_id: UserId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Option<ChannelRole>> {
|
|
let channel_ids = self.get_channel_ancestors(channel_id, tx).await?;
|
|
|
|
#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
|
|
enum QueryChannelMembership {
|
|
ChannelId,
|
|
Role,
|
|
Visibility,
|
|
}
|
|
|
|
let mut rows = channel_member::Entity::find()
|
|
.left_join(channel::Entity)
|
|
.filter(
|
|
channel_member::Column::ChannelId
|
|
.is_in(channel_ids)
|
|
.and(channel_member::Column::UserId.eq(user_id))
|
|
.and(channel_member::Column::Accepted.eq(true)),
|
|
)
|
|
.select_only()
|
|
.column(channel_member::Column::ChannelId)
|
|
.column(channel_member::Column::Role)
|
|
.column(channel::Column::Visibility)
|
|
.into_values::<_, QueryChannelMembership>()
|
|
.stream(&*tx)
|
|
.await?;
|
|
|
|
let mut user_role: Option<ChannelRole> = None;
|
|
|
|
let mut is_participant = false;
|
|
let mut current_channel_visibility = None;
|
|
|
|
// note these channels are not iterated in any particular order,
|
|
// our current logic takes the highest permission available.
|
|
while let Some(row) = rows.next().await {
|
|
let (membership_channel, role, visibility): (
|
|
ChannelId,
|
|
ChannelRole,
|
|
ChannelVisibility,
|
|
) = row?;
|
|
|
|
match role {
|
|
ChannelRole::Admin | ChannelRole::Member | ChannelRole::Banned => {
|
|
if let Some(users_role) = user_role {
|
|
user_role = Some(users_role.max(role));
|
|
} else {
|
|
user_role = Some(role)
|
|
}
|
|
}
|
|
ChannelRole::Guest if visibility == ChannelVisibility::Public => {
|
|
is_participant = true
|
|
}
|
|
ChannelRole::Guest => {}
|
|
}
|
|
if channel_id == membership_channel {
|
|
current_channel_visibility = Some(visibility);
|
|
}
|
|
}
|
|
// free up database connection
|
|
drop(rows);
|
|
|
|
if is_participant && user_role.is_none() {
|
|
if current_channel_visibility.is_none() {
|
|
current_channel_visibility = channel::Entity::find()
|
|
.filter(channel::Column::Id.eq(channel_id))
|
|
.one(&*tx)
|
|
.await?
|
|
.map(|channel| channel.visibility);
|
|
}
|
|
if current_channel_visibility == Some(ChannelVisibility::Public) {
|
|
user_role = Some(ChannelRole::Guest);
|
|
}
|
|
}
|
|
|
|
Ok(user_role)
|
|
}
|
|
|
|
/// Returns the channel ancestors in arbitrary order
|
|
pub async fn get_channel_ancestors(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Vec<ChannelId>> {
|
|
let paths = channel_path::Entity::find()
|
|
.filter(channel_path::Column::ChannelId.eq(channel_id))
|
|
.order_by(channel_path::Column::IdPath, sea_orm::Order::Desc)
|
|
.all(tx)
|
|
.await?;
|
|
let mut channel_ids = Vec::new();
|
|
for path in paths {
|
|
for id in path.id_path.trim_matches('/').split('/') {
|
|
if let Ok(id) = id.parse() {
|
|
let id = ChannelId::from_proto(id);
|
|
if let Err(ix) = channel_ids.binary_search(&id) {
|
|
channel_ids.insert(ix, id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Ok(channel_ids)
|
|
}
|
|
|
|
// Returns the channel desendants as a sorted list of edges for further processing.
|
|
// The edges are sorted such that you will see unknown channel ids as children
|
|
// before you see them as parents.
|
|
async fn get_channel_descendants(
|
|
&self,
|
|
channel_ids: impl IntoIterator<Item = ChannelId>,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<Vec<ChannelEdge>> {
|
|
let mut values = String::new();
|
|
for id in channel_ids {
|
|
if !values.is_empty() {
|
|
values.push_str(", ");
|
|
}
|
|
write!(&mut values, "({})", id).unwrap();
|
|
}
|
|
|
|
if values.is_empty() {
|
|
return Ok(vec![]);
|
|
}
|
|
|
|
let sql = format!(
|
|
r#"
|
|
SELECT
|
|
descendant_paths.*
|
|
FROM
|
|
channel_paths parent_paths, channel_paths descendant_paths
|
|
WHERE
|
|
parent_paths.channel_id IN ({values}) AND
|
|
descendant_paths.id_path != parent_paths.id_path AND
|
|
descendant_paths.id_path LIKE (parent_paths.id_path || '%')
|
|
ORDER BY
|
|
descendant_paths.id_path
|
|
"#
|
|
);
|
|
|
|
let stmt = Statement::from_string(self.pool.get_database_backend(), sql);
|
|
|
|
let mut paths = channel_path::Entity::find()
|
|
.from_raw_sql(stmt)
|
|
.stream(tx)
|
|
.await?;
|
|
|
|
let mut results: Vec<ChannelEdge> = Vec::new();
|
|
while let Some(path) = paths.next().await {
|
|
let path = path?;
|
|
let ids: Vec<&str> = path.id_path.trim_matches('/').split('/').collect();
|
|
|
|
debug_assert!(ids.len() >= 2);
|
|
debug_assert!(ids[ids.len() - 1] == path.channel_id.to_string());
|
|
|
|
results.push(ChannelEdge {
|
|
parent_id: ids[ids.len() - 2].parse().unwrap(),
|
|
channel_id: ids[ids.len() - 1].parse().unwrap(),
|
|
})
|
|
}
|
|
|
|
Ok(results)
|
|
}
|
|
|
|
/// Returns the channel with the given ID
|
|
pub async fn get_channel(&self, channel_id: ChannelId, user_id: UserId) -> Result<Channel> {
|
|
self.transaction(|tx| async move {
|
|
self.check_user_is_channel_participant(channel_id, user_id, &*tx)
|
|
.await?;
|
|
|
|
let channel = channel::Entity::find_by_id(channel_id).one(&*tx).await?;
|
|
let Some(channel) = channel else {
|
|
Err(anyhow!("no such channel"))?
|
|
};
|
|
|
|
Ok(Channel {
|
|
id: channel.id,
|
|
visibility: channel.visibility,
|
|
name: channel.name,
|
|
})
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub(crate) async fn get_or_create_channel_room(
|
|
&self,
|
|
channel_id: ChannelId,
|
|
live_kit_room: &str,
|
|
environment: &str,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<RoomId> {
|
|
let room = room::Entity::find()
|
|
.filter(room::Column::ChannelId.eq(channel_id))
|
|
.one(&*tx)
|
|
.await?;
|
|
|
|
let room_id = if let Some(room) = room {
|
|
if let Some(env) = room.enviroment {
|
|
if &env != environment {
|
|
Err(anyhow!("must join using the {} release", env))?;
|
|
}
|
|
}
|
|
room.id
|
|
} else {
|
|
let result = room::Entity::insert(room::ActiveModel {
|
|
channel_id: ActiveValue::Set(Some(channel_id)),
|
|
live_kit_room: ActiveValue::Set(live_kit_room.to_string()),
|
|
enviroment: ActiveValue::Set(Some(environment.to_string())),
|
|
..Default::default()
|
|
})
|
|
.exec(&*tx)
|
|
.await?;
|
|
|
|
result.last_insert_id
|
|
};
|
|
|
|
Ok(room_id)
|
|
}
|
|
|
|
// Insert an edge from the given channel to the given other channel.
|
|
pub async fn link_channel(
|
|
&self,
|
|
user: UserId,
|
|
channel: ChannelId,
|
|
to: ChannelId,
|
|
) -> Result<ChannelGraph> {
|
|
self.transaction(|tx| async move {
|
|
// Note that even with these maxed permissions, this linking operation
|
|
// is still insecure because you can't remove someone's permissions to a
|
|
// channel if they've linked the channel to one where they're an admin.
|
|
self.check_user_is_channel_admin(channel, user, &*tx)
|
|
.await?;
|
|
|
|
self.link_channel_internal(user, channel, to, &*tx).await
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub async fn link_channel_internal(
|
|
&self,
|
|
user: UserId,
|
|
channel: ChannelId,
|
|
new_parent: ChannelId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<ChannelGraph> {
|
|
self.check_user_is_channel_admin(new_parent, user, &*tx)
|
|
.await?;
|
|
|
|
let paths = channel_path::Entity::find()
|
|
.filter(channel_path::Column::IdPath.like(&format!("%/{}/%", channel)))
|
|
.all(tx)
|
|
.await?;
|
|
|
|
let mut new_path_suffixes = HashSet::default();
|
|
for path in paths {
|
|
if let Some(start_offset) = path.id_path.find(&format!("/{}/", channel)) {
|
|
new_path_suffixes.insert((
|
|
path.channel_id,
|
|
path.id_path[(start_offset + 1)..].to_string(),
|
|
));
|
|
}
|
|
}
|
|
|
|
let paths_to_new_parent = channel_path::Entity::find()
|
|
.filter(channel_path::Column::ChannelId.eq(new_parent))
|
|
.all(tx)
|
|
.await?;
|
|
|
|
let mut new_paths = Vec::new();
|
|
for path in paths_to_new_parent {
|
|
if path.id_path.contains(&format!("/{}/", channel)) {
|
|
Err(anyhow!("cycle"))?;
|
|
}
|
|
|
|
new_paths.extend(new_path_suffixes.iter().map(|(channel_id, path_suffix)| {
|
|
channel_path::ActiveModel {
|
|
channel_id: ActiveValue::Set(*channel_id),
|
|
id_path: ActiveValue::Set(format!("{}{}", &path.id_path, path_suffix)),
|
|
}
|
|
}));
|
|
}
|
|
|
|
channel_path::Entity::insert_many(new_paths)
|
|
.exec(&*tx)
|
|
.await?;
|
|
|
|
// remove any root edges for the channel we just linked
|
|
{
|
|
channel_path::Entity::delete_many()
|
|
.filter(channel_path::Column::IdPath.like(&format!("/{}/%", channel)))
|
|
.exec(&*tx)
|
|
.await?;
|
|
}
|
|
|
|
let membership = channel_member::Entity::find()
|
|
.filter(
|
|
channel_member::Column::ChannelId
|
|
.eq(channel)
|
|
.and(channel_member::Column::UserId.eq(user)),
|
|
)
|
|
.all(tx)
|
|
.await?;
|
|
|
|
let mut channel_info = self.get_user_channels(user, membership, &*tx).await?;
|
|
|
|
channel_info.channels.edges.push(ChannelEdge {
|
|
channel_id: channel.to_proto(),
|
|
parent_id: new_parent.to_proto(),
|
|
});
|
|
|
|
Ok(channel_info.channels)
|
|
}
|
|
|
|
/// Unlink a channel from a given parent. This will add in a root edge if
|
|
/// the channel has no other parents after this operation.
|
|
pub async fn unlink_channel(
|
|
&self,
|
|
user: UserId,
|
|
channel: ChannelId,
|
|
from: ChannelId,
|
|
) -> Result<()> {
|
|
self.transaction(|tx| async move {
|
|
// Note that even with these maxed permissions, this linking operation
|
|
// is still insecure because you can't remove someone's permissions to a
|
|
// channel if they've linked the channel to one where they're an admin.
|
|
self.check_user_is_channel_admin(channel, user, &*tx)
|
|
.await?;
|
|
|
|
self.unlink_channel_internal(user, channel, from, &*tx)
|
|
.await?;
|
|
|
|
Ok(())
|
|
})
|
|
.await
|
|
}
|
|
|
|
pub async fn unlink_channel_internal(
|
|
&self,
|
|
user: UserId,
|
|
channel: ChannelId,
|
|
from: ChannelId,
|
|
tx: &DatabaseTransaction,
|
|
) -> Result<()> {
|
|
self.check_user_is_channel_admin(from, user, &*tx).await?;
|
|
|
|
let sql = r#"
|
|
DELETE FROM channel_paths
|
|
WHERE
|
|
id_path LIKE '%/' || $1 || '/' || $2 || '/%'
|
|
RETURNING id_path, channel_id
|
|
"#;
|
|
|
|
let paths = channel_path::Entity::find()
|
|
.from_raw_sql(Statement::from_sql_and_values(
|
|
self.pool.get_database_backend(),
|
|
sql,
|
|
[from.to_proto().into(), channel.to_proto().into()],
|
|
))
|
|
.all(&*tx)
|
|
.await?;
|
|
|
|
let is_stranded = channel_path::Entity::find()
|
|
.filter(channel_path::Column::ChannelId.eq(channel))
|
|
.count(&*tx)
|
|
.await?
|
|
== 0;
|
|
|
|
// Make sure that there is always at least one path to the channel
|
|
if is_stranded {
|
|
let root_paths: Vec<_> = paths
|
|
.iter()
|
|
.map(|path| {
|
|
let start_offset = path.id_path.find(&format!("/{}/", channel)).unwrap();
|
|
channel_path::ActiveModel {
|
|
channel_id: ActiveValue::Set(path.channel_id),
|
|
id_path: ActiveValue::Set(path.id_path[start_offset..].to_string()),
|
|
}
|
|
})
|
|
.collect();
|
|
channel_path::Entity::insert_many(root_paths)
|
|
.exec(&*tx)
|
|
.await?;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
/// Move a channel from one parent to another, returns the
|
|
/// Channels that were moved for notifying clients
|
|
pub async fn move_channel(
|
|
&self,
|
|
user: UserId,
|
|
channel: ChannelId,
|
|
from: ChannelId,
|
|
to: ChannelId,
|
|
) -> Result<ChannelGraph> {
|
|
if from == to {
|
|
return Ok(ChannelGraph {
|
|
channels: vec![],
|
|
edges: vec![],
|
|
});
|
|
}
|
|
|
|
self.transaction(|tx| async move {
|
|
self.check_user_is_channel_admin(channel, user, &*tx)
|
|
.await?;
|
|
|
|
let moved_channels = self.link_channel_internal(user, channel, to, &*tx).await?;
|
|
|
|
self.unlink_channel_internal(user, channel, from, &*tx)
|
|
.await?;
|
|
|
|
Ok(moved_channels)
|
|
})
|
|
.await
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
|
|
enum QueryUserIds {
|
|
UserId,
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
pub struct ChannelGraph {
|
|
pub channels: Vec<Channel>,
|
|
pub edges: Vec<ChannelEdge>,
|
|
}
|
|
|
|
impl ChannelGraph {
|
|
pub fn is_empty(&self) -> bool {
|
|
self.channels.is_empty() && self.edges.is_empty()
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
impl PartialEq for ChannelGraph {
|
|
fn eq(&self, other: &Self) -> bool {
|
|
// Order independent comparison for tests
|
|
let channels_set = self.channels.iter().collect::<HashSet<_>>();
|
|
let other_channels_set = other.channels.iter().collect::<HashSet<_>>();
|
|
let edges_set = self
|
|
.edges
|
|
.iter()
|
|
.map(|edge| (edge.channel_id, edge.parent_id))
|
|
.collect::<HashSet<_>>();
|
|
let other_edges_set = other
|
|
.edges
|
|
.iter()
|
|
.map(|edge| (edge.channel_id, edge.parent_id))
|
|
.collect::<HashSet<_>>();
|
|
|
|
channels_set == other_channels_set && edges_set == other_edges_set
|
|
}
|
|
}
|
|
|
|
#[cfg(not(test))]
|
|
impl PartialEq for ChannelGraph {
|
|
fn eq(&self, other: &Self) -> bool {
|
|
self.channels == other.channels && self.edges == other.edges
|
|
}
|
|
}
|