53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
use {
|
|
super::{key, PrefixedPubSub, RedisClient, RedisMessage, KEY_PREFIX},
|
|
eyre::Result,
|
|
redis::{aio::MultiplexedConnection, AsyncCommands},
|
|
};
|
|
|
|
/// 🐎 » bus **Publisher**
|
|
#[derive(Clone)]
|
|
pub struct Publisher<RM: RedisMessage> {
|
|
conn: MultiplexedConnection,
|
|
key_prefix: String,
|
|
resource_type: std::marker::PhantomData<RM>,
|
|
}
|
|
|
|
impl<RM: RedisMessage> PrefixedPubSub for Publisher<RM> {
|
|
fn get_prefix(&self) -> String {
|
|
self.key_prefix.clone()
|
|
}
|
|
|
|
fn set_prefix(&mut self, prefix: &str) -> &mut Self {
|
|
self.key_prefix = prefix.to_string();
|
|
self
|
|
}
|
|
}
|
|
|
|
impl<RM: RedisMessage> Publisher<RM> {
|
|
/// 🐎 » create a new bus publisher
|
|
pub async fn new<RC>(redis: &RC) -> Result<Self>
|
|
where
|
|
RC: RedisClient,
|
|
{
|
|
let redis = redis.get_client()?;
|
|
let conn = redis.get_multiplexed_tokio_connection().await?;
|
|
|
|
Ok(Self {
|
|
conn,
|
|
key_prefix: KEY_PREFIX.to_string(),
|
|
resource_type: std::marker::PhantomData,
|
|
})
|
|
}
|
|
|
|
/// 🐎 » publish a message to the bus
|
|
pub async fn publish(&mut self, value: RM) -> Result<()> {
|
|
let obj_key = key(self.get_prefix(), value.to_redis_key());
|
|
// set hash key
|
|
self.conn.hset_multiple(&obj_key, value.to_redis_val().as_slice()).await?;
|
|
|
|
// publish to the appropriate channel
|
|
self.conn.publish(&obj_key, value.as_message()).await?;
|
|
Ok(())
|
|
}
|
|
}
|