Add custom slugs, restore UI, UTM builder, and CLI link tools

src/cli/expand.rs

@@ -0,0 +1,32 @@
+use crate::config::Config;
+use crate::db::Db;
+use std::path::PathBuf;
+
+pub async fn run(
+    code: String,
+    data_dir: Option<String>,
+    mut config: Config,
+) -> Result<(), Box<dyn std::error::Error>> {
+    if let Some(d) = data_dir {
+        config.data_dir = PathBuf::from(d);
+    }
+    let db = Db::init(&config)?;
+
+    let normalized_code = code.trim().to_lowercase();
+    if !crate::utils::validation::validate_redirect_code(&normalized_code) {
+        return Err("Invalid short code or custom slug format".into());
+    }
+
+    let url_opt = {
+        let conn = db.content.lock().unwrap();
+        crate::db::content::get_url_by_code(&conn, &normalized_code)?
+    };
+
+    match url_opt {
+        Some(url) => {
+            println!("{}", url.destination);
+            Ok(())
+        }
+        None => Err(format!("Short code not found: {}", normalized_code).into()),
+    }
+}