Improved session gathering, init and added visual feedback

src/gather.rs

@@ -1,5 +1,5 @@
 use std::{
-    fs::{read_dir, read_link, DirEntry},
+    fs::{read_dir, read_link, read_to_string, DirEntry},
     path::{Path, PathBuf},
 };
 
@@ -52,7 +52,7 @@ pub fn gather_sessions(user: &User) -> Vec<Session> {
         true => gather_hm_sessions(&hm_profile),
         false => vec![Session {
             name: String::from("Shell"),
-            path: user.shell.clone(),
+            init: user.shell.clone(),
         }],
     }
 }
@@ -70,18 +70,15 @@ fn resolve_link(path: &PathBuf) -> PathBuf {
 
 fn gather_hm_sessions(path: &PathBuf) -> Vec<Session> {
     let generation = resolve_link(path);
-    let mut sessions = vec![Session {
-        name: String::from("Home Manager"),
-        path: generation,
-    }];
+    let mut sessions = vec![gather_session_data(&generation)];
 
-    sessions.append(&mut gather_specialisations(&sessions[0]));
+    sessions.append(&mut gather_specialisations(&generation));
 
     sessions
 }
 
-fn gather_specialisations(session: &Session) -> Vec<Session> {
-    let specialisation_path = session.path.join("specialisation");
+fn gather_specialisations(path: &PathBuf) -> Vec<Session> {
+    let specialisation_path = path.join("specialisation");
     if !specialisation_path.exists() {
         return vec![];
     }
@@ -91,14 +88,24 @@ fn gather_specialisations(session: &Session) -> Vec<Session> {
         .flatten()
         .map(|entry| {
             let path = resolve_link(&entry.path());
-            let name = entry
-                .path()
-                .file_name()
-                .unwrap()
-                .to_str()
-                .unwrap()
-                .to_owned();
-            Session { name, path }
+            // let name = entry
+            //     .path()
+            //     .file_name()
+            //     .unwrap()
+            //     .to_str()
+            //     .unwrap()
+            //     .to_owned();
+            // Session { name, path }
+            gather_session_data(&path)
         })
         .collect()
 }
+
+fn gather_session_data(path: &PathBuf) -> Session {
+    let session_path = path.join("session");
+
+    let name = read_to_string(session_path.join("name")).unwrap();
+    let init = session_path.join("init");
+
+    Session { name, init }
+}

src/greetd.rs

@@ -30,7 +30,7 @@ pub fn login(
                     return Ok(LoginResult::Success);
                 } else {
                     starting = true;
-                    let cmd = vec![user.shell.to_str().unwrap().to_owned()];
+                    let cmd = vec![session.init.to_str().unwrap().to_owned()];
                     let env = vec![];
                     Request::StartSession { cmd, env }.write_to(&mut stream)?;
                 }

src/main.rs

@@ -32,6 +32,7 @@ struct App {
     exit: bool,
     error: bool,
     focus: Focus,
+    status: Status,
     user_input: SelectorInput<User>,
     session_input: SelectorInput<Session>,
     password_input: TextInput,
@@ -44,6 +45,13 @@ enum Focus {
     Password,
 }
 
+#[derive(PartialEq, Eq)]
+enum Status {
+    Nothing,
+    Error,
+    Success,
+}
+
 struct SelectorInput<T: Display> {
     values: Vec<T>,
     state: usize,
@@ -103,7 +111,7 @@ impl Display for User {
 #[derive(PartialEq, Eq, Clone)]
 struct Session {
     name: String,
-    path: PathBuf,
+    init: PathBuf,
 }
 
 impl Display for Session {
@@ -118,6 +126,7 @@ impl Default for App {
         let exit = false;
         let error = false;
         let focus = Focus::User;
+        let status = Status::Nothing;
         let user_input = SelectorInput {
             values: gather::gather_users(),
             state: 0,
@@ -135,6 +144,7 @@ impl Default for App {
             exit,
             error,
             focus,
+            status,
             user_input,
             session_input,
             password_input,
@@ -188,7 +198,17 @@ impl App {
 
         let box_area = middle_rows[1];
 
-        let box_widget = Block::bordered().title("Bone jaw").style(Color::Gray);
+        let box_widget = Block::bordered()
+            .title(match self.status {
+                Status::Nothing => "Hewwo! >_< :3",
+                Status::Error => "Error :(",
+                Status::Success => "Success!!!",
+            })
+            .style(match self.status {
+                Status::Nothing => Color::Gray,
+                Status::Error => Color::Red,
+                Status::Success => Color::Green,
+            });
 
         frame.render_widget(Clear, box_area);
         frame.render_widget(box_widget, box_area);
@@ -204,12 +224,15 @@ impl App {
             });
         frame.render_widget(user_row, rows[0]);
 
-        let session_row = Line::from(format!("Session: {}", self.session_input.value())).style(
-            match self.focus {
+        let session_row = Line::from(format!(
+            "Session: {} {}",
+            self.session_input.value(),
+            self.session_input.state
+        ))
+        .style(match self.focus {
             Focus::Session => Color::White,
             _ => Color::Gray,
-            },
-        );
+        });
         frame.render_widget(session_row, rows[2]);
 
         let password_row = Line::from(format!(
@@ -291,17 +314,26 @@ impl App {
     }
 
     fn submit(&mut self) {
+        let password = self.password_input.value().to_owned();
+        self.password_input.state.clear();
+        if self.status == Status::Success {
+            return;
+        }
         match greetd::login(
             self.user_input.value(),
             self.session_input.value(),
-            self.password_input.value(),
+            &password,
         )
         .unwrap()
         {
             LoginResult::Success => {
                 self.error = false;
+                self.status = Status::Success
+            }
+            LoginResult::Failure => {
+                self.error = true;
+                self.status = Status::Error
             }
-            LoginResult::Failure => self.error = true,
         };
     }
 }