Add method config::Config.public_path()

src/config.rs

@@ -105,6 +105,19 @@ impl Config {
             .port(self.port)
     }
 
+    pub fn public_path(&self) -> Result<String, ()> {
+        let mut result_path_buf = std::path::PathBuf::new();
+        result_path_buf.push(self.root.to_string());
+        result_path_buf.push("public");
+
+        let result_str = match result_path_buf.to_str() {
+            None => return Err(()),
+            Some(value) => value,
+        };
+
+        Ok(result_str.to_string())
+    }
+
     pub fn use_env_for_root(&mut self) {
         self.root = match std::env::var("ROOT") {
             Err(_) => return,

src/main.rs

@@ -20,5 +20,6 @@ fn main() {
     dotenv::dotenv().unwrap();
     let config = config::Config::from_env().unwrap();
     println!("Running with {:#?}", config);
+    println!("Public path: {:#?}", config.public_path().unwrap());
     web::rocket(config).launch();
 }