Implement clap parsing for unshell metadata

unshell-server/src/config/mod.rs

@@ -5,16 +5,17 @@ use std::{
     path::{Path, PathBuf},
 };
 
-use unshell_lib::debug;
+use unshell_lib::{debug, info};
 
 #[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
-pub struct ComponentMetadata {
+struct ComponentMetadata {
     name: String,
     description: Option<String>,
     version: Option<String>,
     authors: Option<Vec<String>>,
 
     // Struct to contain build information
+    #[serde(default)]
     build_config: BuildConfig,
 
     // Other components that can be pointed to by this component
@@ -23,7 +24,7 @@ pub struct ComponentMetadata {
     // config: Option<HashMap<String, ConfigStructField>>,
 }
 
-#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
+#[derive(Default, Debug, Clone, serde::Deserialize, serde::Serialize)]
 struct BuildConfig {
     // Cargo feature list of a component
     // (Name, Description)
@@ -58,7 +59,13 @@ enum ConfigStructField {
     // ...
 }
 
-pub fn load_config(path: &PathBuf) -> Result<Vec<ComponentMetadata>, Box<dyn Error>> {
+#[derive(Clone, Debug)]
+pub struct ComponentState {
+    metadata: ComponentMetadata,
+    path: PathBuf,
+}
+
+pub fn load_config(path: &PathBuf) -> Result<Vec<ComponentState>, Box<dyn Error>> {
     let path_absolute = fs::canonicalize(path.clone())?;
     debug!("Loading data from path: `{}`", path_absolute);
 
@@ -68,11 +75,16 @@ pub fn load_config(path: &PathBuf) -> Result<Vec<ComponentMetadata>, Box<dyn Err
     // Load config from String
     let config = toml::from_str::<ComponentMetadata>(&config_str)?;
 
-    if config.child_components.is_empty() {
-        Ok(vec![config])
-    } else {
-        let parent_path = path_absolute.parent().expect("Path must have parent");
+    info!("Loaded component `{}`", config.name);
 
+    let parent_path = path_absolute.parent().expect("Path must have parent");
+
+    if config.child_components.is_empty() {
+        Ok(vec![ComponentState {
+            metadata: config,
+            path: PathBuf::from(parent_path),
+        }])
+    } else {
         let mut config_vec = vec![];
 
         // Load each child component
@@ -82,7 +94,13 @@ pub fn load_config(path: &PathBuf) -> Result<Vec<ComponentMetadata>, Box<dyn Err
             config_vec.append(&mut config);
         }
 
-        config_vec.insert(0, config);
+        config_vec.insert(
+            0,
+            ComponentState {
+                metadata: config,
+                path: PathBuf::from(parent_path),
+            },
+        );
 
         Ok(config_vec)
     }