Add method for preparing sqlite connection

This is not being used yet

Co-authored-by: Erik Foris

src/main.rs

@@ -7,6 +7,13 @@ use std::{
     error::Error,
 };
 use serde::Deserialize;
+use sqlx::{
+    prelude::*,
+    sqlite::{
+        SqliteConnection,
+        SqliteConnectOptions,
+    },
+};
 
 const DEFAULT_DATABASE_PATH: &'static str = "/var/lib/noise-server/noise-server.sqlite";
 
@@ -48,6 +55,15 @@ fn main() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
+/// Prepare sqlite database connection
+#[cfg(feature = "sqlite")]
+async fn connect_sqlite(path: &PathBuf) -> sqlx::Result<SqliteConnection> {
+    let connect_options = SqliteConnectOptions::new()
+        .filename(&path)
+        .create_if_missing(true);
+    SqliteConnection::connect_with(&connect_options).await
+}
+
 /// 
 fn get_config(options: &Options) -> std::io::Result<Config> {
     let mut config_file = File::open(&options.config)?;