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authorKit La Touche <kit@transneptune.net>2024-09-28 21:55:50 -0400
committerKit La Touche <kit@transneptune.net>2024-09-28 21:55:50 -0400
commit897eef0306917baf3662e691b29f182d35805296 (patch)
tree024e2a3fa13ac96e0b4339a6d62ae533efe7db07 /src/events/repo/broadcast.rs
parentc524b333befc8cc97aa49f73b3ed28bc3b82420c (diff)
parent4d0bb0709b168a24ab6a8dbc86da45d7503596ee (diff)
Merge branch 'main' into feature-frontend
Diffstat (limited to 'src/events/repo/broadcast.rs')
-rw-r--r--src/events/repo/broadcast.rs162
1 files changed, 0 insertions, 162 deletions
diff --git a/src/events/repo/broadcast.rs b/src/events/repo/broadcast.rs
deleted file mode 100644
index 6914573..0000000
--- a/src/events/repo/broadcast.rs
+++ /dev/null
@@ -1,162 +0,0 @@
-use sqlx::{sqlite::Sqlite, SqliteConnection, Transaction};
-
-use crate::{
- clock::DateTime,
- repo::{
- channel::Channel,
- login::{self, Login},
- message,
- },
-};
-
-pub trait Provider {
- fn broadcast(&mut self) -> Broadcast;
-}
-
-impl<'c> Provider for Transaction<'c, Sqlite> {
- fn broadcast(&mut self) -> Broadcast {
- Broadcast(self)
- }
-}
-
-pub struct Broadcast<'t>(&'t mut SqliteConnection);
-
-#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
-pub struct Message {
- pub id: message::Id,
- #[serde(skip)]
- pub sequence: Sequence,
- pub sender: Login,
- pub body: String,
- pub sent_at: DateTime,
-}
-
-impl<'c> Broadcast<'c> {
- pub async fn create(
- &mut self,
- sender: &Login,
- channel: &Channel,
- body: &str,
- sent_at: &DateTime,
- ) -> Result<Message, sqlx::Error> {
- let sequence = self.next_sequence_for(channel).await?;
-
- let id = message::Id::generate();
-
- let message = sqlx::query!(
- r#"
- insert into message
- (id, channel, sequence, sender, body, sent_at)
- values ($1, $2, $3, $4, $5, $6)
- returning
- id as "id: message::Id",
- sequence as "sequence: Sequence",
- sender as "sender: login::Id",
- body,
- sent_at as "sent_at: DateTime"
- "#,
- id,
- channel.id,
- sequence,
- sender.id,
- body,
- sent_at,
- )
- .map(|row| Message {
- id: row.id,
- sequence: row.sequence,
- sender: sender.clone(),
- body: row.body,
- sent_at: row.sent_at,
- })
- .fetch_one(&mut *self.0)
- .await?;
-
- Ok(message)
- }
-
- async fn next_sequence_for(&mut self, channel: &Channel) -> Result<Sequence, sqlx::Error> {
- let Sequence(current) = sqlx::query_scalar!(
- r#"
- -- `max` never returns null, but sqlx can't detect that
- select max(sequence) as "sequence!: Sequence"
- from message
- where channel = $1
- "#,
- channel.id,
- )
- .fetch_one(&mut *self.0)
- .await?;
-
- Ok(Sequence(current + 1))
- }
-
- pub async fn expire(&mut self, expire_at: &DateTime) -> Result<(), sqlx::Error> {
- sqlx::query!(
- r#"
- delete from message
- where sent_at < $1
- "#,
- expire_at,
- )
- .execute(&mut *self.0)
- .await?;
-
- Ok(())
- }
-
- pub async fn replay(
- &mut self,
- channel: &Channel,
- resume_at: Option<Sequence>,
- ) -> Result<Vec<Message>, sqlx::Error> {
- let messages = sqlx::query!(
- r#"
- select
- message.id as "id: message::Id",
- sequence as "sequence: Sequence",
- login.id as "sender_id: login::Id",
- login.name as sender_name,
- message.body,
- message.sent_at as "sent_at: DateTime"
- from message
- join login on message.sender = login.id
- where channel = $1
- and coalesce(sequence > $2, true)
- order by sequence asc
- "#,
- channel.id,
- resume_at,
- )
- .map(|row| Message {
- id: row.id,
- sequence: row.sequence,
- sender: Login {
- id: row.sender_id,
- name: row.sender_name,
- },
- body: row.body,
- sent_at: row.sent_at,
- })
- .fetch_all(&mut *self.0)
- .await?;
-
- Ok(messages)
- }
-}
-
-#[derive(
- Debug,
- Eq,
- Ord,
- PartialEq,
- PartialOrd,
- Clone,
- Copy,
- serde::Serialize,
- serde::Deserialize,
- sqlx::Type,
-)]
-#[serde(transparent)]
-#[sqlx(transparent)]
-pub struct Sequence(i64);