Add config deserialization

Co-authored-by: Elias Schriefer

Cargo.lock

@@ -1206,8 +1206,10 @@ dependencies = [
  "juniper",
  "juniper-from-schema",
  "juniper_warp",
+ "serde",
  "sqlx",
  "structopt",
+ "toml",
  "warp 0.3.1",
 ]
 
@@ -2157,6 +2159,15 @@ dependencies = [
  "tokio 1.5.0",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.1"

Cargo.toml

@@ -14,6 +14,8 @@ juniper-from-schema = { git = "https://github.com/davidpdrsn/juniper-from-schema
 sqlx = { version = "^0.5", features = ["runtime-tokio-native-tls"] }
 warp = { version = "^0.3", default-features = false, features = ["compression", "tls"] }
 structopt = { version = "^0.3", features = ["wrap_help"] }
+toml = "^0.5"
+serde = { version = "^1.0", features = ["derive"] }
 
 [features]
 default = ["sqlite"]

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);
 }