Add config deserialization

Co-authored-by: Elias Schriefer

src/main.rs

@@ -1,15 +1,35 @@
 use structopt::StructOpt;
 use std::path::PathBuf;
+use serde::Deserialize;
+
+const DEFAULT_DATABASE_PATH: &'static str = "/var/lib/noise-server/noise-server.sqlite";
 
 #[derive(Debug, StructOpt)]
 struct Options {
     #[structopt(short, long, default_value = "/etc/noise-server/config.toml")]
     config: PathBuf,
 
-    #[structopt(short, long, default_value = "/var/lib/noise-server/noise-server.sqlite")]
+    #[structopt(short, long, default_value = DEFAULT_DATABASE_PATH)]
     database_path: PathBuf,
 }
 
+#[derive(Debug, Deserialize)]
+#[serde(default)]
+struct Config {
+    database_path: PathBuf,
+
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Config {
+            database_path: DEFAULT_DATABASE_PATH.into(),
+        }
+    }
+}
+
 fn main() {
     let options = Options::from_args();
+    #[cfg(debug_assertions)]
+    println!("{:?}", options);
 }