fr-rust 0.2.2

A comprehensive framework/utility library for Actix-web, Postgres, Redis, and authentication.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

use deadpool_redis::{Config, Runtime, Connection, Pool};
use deadpool_redis::redis;
use deadpool_redis::redis::AsyncCommands;
use deadpool_redis::redis::Client;
use thiserror::Error;

#[derive(Error, Debug)]
pub enum RedisManagerError {
    #[error("Failed to create Redis pool: {0}")]
    CreatePool(#[from] deadpool_redis::CreatePoolError),

    #[error("Failed to get connection from pool: {0}")]
    Pool(#[from] deadpool_redis::PoolError),

    #[error("Redis command error: {0}")]
    Redis(#[from] redis::RedisError),
}

pub type Result<T> = std::result::Result<T, RedisManagerError>;

#[derive(Clone)]
pub struct RedisManager {
    pool: Pool,
    client: Client, 
}

impl RedisManager {
    pub fn new(url: &str) -> Result<Self> {
        let cfg = Config::from_url(url);
        let pool = cfg.create_pool(Some(Runtime::Tokio1))?;
        let client = Client::open(url)?;

        Ok(RedisManager { pool, client })
    }

    pub async fn get_connection(&self) -> Result<Connection> {
        let conn = self.pool.get().await?;
        Ok(conn)
    }

    pub async fn publish(&self, event_name: &str, content: &str) -> Result<()> {
        let mut conn = self.get_connection().await?; 
        conn.publish::<_, _, ()>(event_name, content).await?;
        Ok(())
    }

    pub async fn subscribe(&self, event_name: &str) -> Result<redis::aio::PubSubStream> {
        let mut pubsub = self.client.get_async_pubsub().await?;
        pubsub.subscribe(event_name).await?;

        Ok(pubsub.into_on_message())
    }
}