rec23-rs 0.2.82

A library for REC23 CRM.
Documentation 
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use std::error::Error;
use bb8_postgres::bb8::Pool;
use bb8_postgres::PostgresConnectionManager;
use bb8_postgres::tokio_postgres::{GenericClient, NoTls, Row};

const GET: &str = "SELECT cabinet_announce.announce FROM rec23.cabinet_announce cabinet_announce";
const DELETE: &str = "DELETE FROM rec23.cabinet_announce";

pub struct Cabinet {
    pub announce: String,
}

impl Cabinet {
    pub async fn delete(pool: &Pool<PostgresConnectionManager<NoTls>>) -> Result<(), Box<dyn Error + Send + Sync>> {
        let connection = pool.get().await?;
        let client = connection.client();
        client.execute(DELETE, &[]).await?;
        Ok(())
    }

    pub async fn get(pool: &Pool<PostgresConnectionManager<NoTls>>) -> Result<Option<Self>, Box<dyn Error + Send + Sync>> {
        let connection = pool.get().await?;
        let client = connection.client();
        match client.query_opt(GET, &[]).await? {
            Some(row) => Ok(Self::convert_from_row(row)),
            None => Ok(None)
        }
    }

    fn convert_from_row(row: Row) -> Option<Self> {
        Some(Cabinet {
            announce: row.get("announce")
        })
    }
}