avantis-utils 0.7.2

Swiss army knife utilities for all kind of Avantis rust projects
Documentation 
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use anyhow::Result;
use tokio;

#[tokio::main]
async fn main() -> Result<()> {
    inner::main().await
}

#[cfg(all(feature = "config", feature = "redis"))]
mod inner {
    use super::*;

    use std::time::Duration;

    use ::redis_rs::AsyncCommands;
    use avantis_utils::config::load_config;
    use avantis_utils::config::Environment;
    use avantis_utils::redis::Connection;
    use avantis_utils::redis::GetOrRefreshExt;
    use avantis_utils::redis::Pool;
    use avantis_utils::redis::RedisConfig;
    use once_cell::sync::Lazy;
    use tokio::sync::OnceCell;

    pub async fn main() -> Result<()> {
        let mut redis = get_redis_connection().await?;

        let _: () = redis.set("name", "John").await?;
        let name: String = redis.get("name").await?;
        let _: () = redis.del("name").await?;

        println!("name: {name}");

        get_redis_connection()
            .await?
            .get_or_refresh("text", || async { hello_world(0).await }, 1)
            .await?;
        let text: String = get_redis_connection()
            .await?
            .get_or_refresh("text", || async { hello_world(1).await }, 1)
            .await?;

        println!("text: {text}");

        tokio::time::sleep(Duration::from_secs(1)).await;

        get_redis_connection()
            .await?
            .get_or_refresh("text", || async { hello_world(2).await }, 1)
            .await?;
        let text: String = get_redis_connection()
            .await?
            .get_or_refresh("text", || async { hello_world(3).await }, 1)
            .await?;

        println!("text: {text}");

        Ok(())
    }

    async fn hello_world(time: usize) -> anyhow::Result<String> {
        Ok(format!("Hello World: {time}"))
    }

    static CONFIG: Lazy<ExampleConfig> =
        Lazy::new(|| ExampleConfig::load(Environment::Develop).unwrap());

    static REDIS_POOL: OnceCell<Pool> = OnceCell::const_new();
    pub(crate) async fn get_redis_connection() -> anyhow::Result<Connection> {
        REDIS_POOL
            .get_or_init(|| async { CONFIG.redis.init_pool().await.unwrap() })
            .await
            .get()
            .await
            .map_err(|err| err.into())
    }

    #[derive(Clone, Debug, PartialEq, serde::Deserialize)]
    struct ExampleConfig {
        redis: RedisConfig,
    }

    impl ExampleConfig {
        fn load(environment: Environment) -> anyhow::Result<Self> {
            load_config(environment)
        }
    }
}

#[cfg(not(all(feature = "config", feature = "redis")))]
mod inner {
    use super::*;

    pub async fn main() -> Result<()> {
        println!("Please pass --features config,redis to cargo when trying this example.");

        Ok(())
    }
}