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use crate::ClientHolder;
use mongodb::options::{ClientOptions, Tls, TlsOptions};
use mongodb::{Client, Database};
use std::error;
use std::io;
use std::sync::{Arc, Mutex};
pub async fn get(
data: &Arc<Mutex<ClientHolder>>,
database_name: &str,
) -> Result<Database, Box<dyn error::Error>> {
let client_holder = data.lock().unwrap();
if client_holder.connected {
let db = client_holder
.client
.as_ref()
.unwrap()
.database(database_name);
return Ok(db);
}
let mongodb_uri = client_holder.mongodb_uri.clone();
drop(client_holder);
if mongodb_uri.is_none() {
return Err(Box::new(io::Error::new(
io::ErrorKind::Other,
"database_name is none".to_string(),
)));
}
let new_client = connect(&mongodb_uri.unwrap()).await?;
let mut client_holder = data.lock().unwrap();
client_holder.client = Some(new_client.clone());
client_holder.connected = true;
drop(client_holder);
let db = new_client.database(database_name);
Ok(db)
}
pub fn disconnect<T>(data: &Arc<Mutex<ClientHolder>>) {
let mut client_holder = data.lock().unwrap();
client_holder.connected = false;
}
async fn connect(mongodb_uri: &String) -> Result<Client, Box<dyn error::Error>> {
let mut client_options = ClientOptions::parse(mongodb_uri).await?;
let tls_options = TlsOptions::builder().build();
client_options.tls = Some(Tls::Enabled(tls_options));
let new_client = Client::with_options(client_options)?;
Ok(new_client)
}