feat(cli): implemented an arg to list all acounts

src/backend.rs

@@ -82,7 +82,7 @@ impl Backend {
         ))?;
         statement.next()?;
 
-        let raw_hash = &statement.read::<String, _>("password").unwrap();
+        let raw_hash = &statement.read::<String, _>("password")?;
 
         let hash = PasswordHash::new(raw_hash)
             .map_err(|_| anyhow::Error::msg("Failed to parse the password hash"))?;
@@ -114,10 +114,23 @@ impl Backend {
             username
         ))?;
 
-        info!("Deleted `{}`)", username);
+        info!("Deleted `{}`", username);
         Ok(Response::Delete(ResponseDelete::Success))
     }
 
+    pub fn list(&mut self) -> Result<Response> {
+        let mut list = Vec::new();
+        for row in self.db.prepare(format!(
+            "SELECT username FROM Accounts;",
+        ))?
+        .iter()
+        .map(|row| row.unwrap()) {
+            list.push(row.read::<&str, _>("username").to_string());
+        }
+
+        Ok(Response::List(list))
+    }
+
     pub fn new(database: &std::path::Path) -> Result<Self> {
         let conn = sqlite::open(database)?;
 

src/call.rs

@@ -9,6 +9,7 @@ pub enum Call {
     Register(String, String),
     Authenticate(String, String),
     Delete(String),
+    List,
 }
 
 #[derive(Debug)]
@@ -38,6 +39,7 @@ pub enum Response {
     Register(ResponseRegister),
     Authenticate(ResponseAuthenticate),
     Delete(ResponseDelete),
+    List(Vec<String>),
 }
 
 impl Call {
@@ -46,6 +48,7 @@ impl Call {
             Self::Register(username, password) => backend.register(username, password),
             Self::Authenticate(username, password) => backend.authenticate(username, password),
             Self::Delete(username) => backend.delete(username),
+            Self::List => backend.list(),
         }
     }
 }

src/main.rs

@@ -3,7 +3,7 @@ mod backend;
 mod call;
 
 use anyhow::Result;
-use call::Call;
+use call::{Call, Response};
 use clap::Parser;
 use log::info;
 use std::path::{Path, PathBuf};
@@ -20,6 +20,10 @@ struct Args {
     #[arg(short = 'D', long)]
     daemon: bool,
 
+    /// List all accounts
+    #[arg(short, long)]
+    list: bool,
+
     /// Delete one or multiple account(s)
     #[arg(short, long, use_value_delimiter = true, value_delimiter = ',')]
     deletions: Option<Vec<String>>,
@@ -30,6 +34,12 @@ async fn main() -> Result<()> {
     env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
     let args = Args::parse();
 
+    if args.deletions == None &&
+       !args.daemon &&
+       !args.list {
+        return Err(anyhow::Error::msg("Nothing to do. run `baseauth --help` for a list of commands"));
+    }
+
     if let Some(dir) = args.dir {
         std::env::set_current_dir(dir)?;
     }
@@ -39,6 +49,22 @@ async fn main() -> Result<()> {
     let backend = backend::Backend::new(&Path::new("db.sqlite"))?;
     let tx = call::start_worker(backend).await?;
 
+    if args.list {
+        let (oneshot_tx, oneshot_rx) = oneshot::channel();
+        tx.send((Call::List, oneshot_tx)).await?;
+
+        if let Response::List(list) = oneshot_rx.await?? {
+            if list.len() > 0 {
+                println!("Registered accounts:");
+                for user in list.iter() {
+                    println!("  * {}", user);
+                }
+            } else {
+                println!("There are no accounts registered");
+            }
+        };
+    }
+    
     if let Some(d) = &args.deletions {
         for username in d.iter() {
             let (oneshot_tx, oneshot_rx) = oneshot::channel();
@@ -52,8 +78,6 @@ async fn main() -> Result<()> {
     if args.daemon {
         api::start_worker(8080, tx).await?;
         loop {}
-    } else if args.deletions == None {
-        println!("Nothing to do. run `baseauth --help` for a list of commands");
     }
 
     Ok(())