killing buffers

Cargo.lock

@@ -409,6 +409,7 @@ dependencies = [
  "prost",
  "ratatui",
  "serde",
+ "serde_json",
  "time",
  "tokio",
  "toml",

client/Cargo.toml

@@ -16,6 +16,7 @@ lazy_static = "1.5.0"
 prost = "0.13.5"
 ratatui = { version = "0.29.0", features = ["crossterm"] }
 serde = { version = "1.0.219", features = ["derive"] }
+serde_json = "1.0.140"
 time = "0.3.41"
 tokio = { version = "1.44.2", features = ["full", "macros"] }
 toml = "0.8.20"

client/config.toml

@@ -4,6 +4,7 @@
 enter_command_mode = [":", "ctrl+;"]
 next_buffer = ["ctrl+l"]
 previous_buffer = ["ctrl+h"] 
+close_buffer = ["ctrl+k"]
 
 [keybindings.general]
 move_up = ["k", "Up"]

client/src/config/mod.rs

@@ -2,3 +2,4 @@
 
 pub mod binds;
 pub mod colors;
+pub mod storage;

client/src/config/storage.rs

@@ -0,0 +1,4 @@
+// src/config/storage.rs
+pub mod storage;
+
+pub use storage::*;

client/src/config/storage/storage.rs

@@ -0,0 +1,101 @@
+// src/config/storage/storage.rs
+use serde::{Deserialize, Serialize};
+use std::fs::{self, File};
+use std::io::Write;
+use std::path::PathBuf;
+use anyhow::{Context, Result};
+use tracing::{error, info};
+
+#[cfg(unix)]
+use std::os::unix::fs::PermissionsExt;
+
+pub const APP_NAME: &str = "multieko2_client";
+pub const TOKEN_FILE_NAME: &str = "auth.token";
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct StoredAuthData {
+    pub access_token: String,
+    pub user_id: String,
+    pub role: String,
+    pub username: String,
+}
+
+pub fn get_token_storage_path() -> Result<PathBuf> {
+    let state_dir = dirs::state_dir()
+        .or_else(|| dirs::home_dir().map(|home| home.join(".local").join("state")))
+        .ok_or_else(|| anyhow::anyhow!("Could not determine state directory"))?;
+
+    let app_state_dir = state_dir.join(APP_NAME);
+    fs::create_dir_all(&app_state_dir)
+        .with_context(|| format!("Failed to create app state directory at {:?}", app_state_dir))?;
+    
+    Ok(app_state_dir.join(TOKEN_FILE_NAME))
+}
+
+pub fn save_auth_data(data: &StoredAuthData) -> Result<()> {
+    let path = get_token_storage_path()?;
+    
+    let json_data = serde_json::to_string(data)
+        .context("Failed to serialize auth data")?;
+    
+    let mut file = File::create(&path)
+        .with_context(|| format!("Failed to create token file at {:?}", path))?;
+    
+    file.write_all(json_data.as_bytes())
+        .context("Failed to write token data to file")?;
+    
+    // Set file permissions to 600 (owner read/write only) on Unix
+    #[cfg(unix)]
+    {
+        file.set_permissions(std::fs::Permissions::from_mode(0o600))
+            .context("Failed to set token file permissions")?;
+    }
+    
+    info!("Auth data saved to {:?}", path);
+    Ok(())
+}
+
+pub fn load_auth_data() -> Result<Option<StoredAuthData>> {
+    let path = get_token_storage_path()?;
+    
+    if !path.exists() {
+        info!("Token file not found at {:?}", path);
+        return Ok(None);
+    }
+    
+    let json_data = fs::read_to_string(&path)
+        .with_context(|| format!("Failed to read token file at {:?}", path))?;
+    
+    if json_data.trim().is_empty() {
+        info!("Token file is empty at {:?}", path);
+        return Ok(None);
+    }
+    
+    match serde_json::from_str::<StoredAuthData>(&json_data) {
+        Ok(data) => {
+            info!("Auth data loaded from {:?}", path);
+            Ok(Some(data))
+        }
+        Err(e) => {
+            error!("Failed to deserialize token data from {:?}: {}. Deleting corrupt file.", path, e);
+            if let Err(del_e) = fs::remove_file(&path) {
+                error!("Failed to delete corrupt token file: {}", del_e);
+            }
+            Ok(None)
+        }
+    }
+}
+
+pub fn delete_auth_data() -> Result<()> {
+    let path = get_token_storage_path()?;
+    
+    if path.exists() {
+        fs::remove_file(&path)
+            .with_context(|| format!("Failed to delete token file at {:?}", path))?;
+        info!("Token file deleted from {:?}", path);
+    } else {
+        info!("Token file not found for deletion at {:?}", path);
+    }
+    
+    Ok(())
+}

client/src/modes/handlers/event.rs

@@ -161,6 +161,7 @@ impl EventHandler {
                 return Ok(EventOutcome::Ok(message));
             }
 
+
             if !matches!(current_mode, AppMode::Edit | AppMode::Command) {
                 if let Some(action) = config.get_action_for_key_in_mode(
                     &config.keybindings.global, key_code, modifiers
@@ -176,6 +177,10 @@ impl EventHandler {
                                 return Ok(EventOutcome::Ok("Switched to previous buffer".to_string()));
                             }
                         }
+                        "close_buffer" => {
+                            let message = buffer_state.close_buffer_with_intro_fallback();
+                            return Ok(EventOutcome::Ok(message));
+                        }
                         _ => {}
                     }
                 }

client/src/state/app/buffer.rs

@@ -1,6 +1,5 @@
 // src/state/app/buffer.rs
 
-/// Represents the distinct views or "buffers" the user can navigate.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum AppView {
     Intro,
@@ -14,7 +13,6 @@ pub enum AppView {
 }
 
 impl AppView {
-    /// Returns the display name for the view.
     pub fn display_name(&self) -> &str {
         match self {
             AppView::Intro => "Intro",
@@ -29,7 +27,6 @@ impl AppView {
     }
 }
 
-/// Holds the state related to buffer management (navigation history).
 #[derive(Debug, Clone)]
 pub struct BufferState {
     pub history: Vec<AppView>,
@@ -39,23 +36,17 @@ pub struct BufferState {
 impl Default for BufferState {
     fn default() -> Self {
         Self {
-            history: vec![AppView::Intro], // Start with Intro view
+            history: vec![AppView::Intro],
             active_index: 0,
         }
     }
 }
 
 impl BufferState {
-    /// Updates the buffer history and active index.
-    /// If the view already exists, it sets it as active.
-    /// Otherwise, it adds the new view and makes it active.
     pub fn update_history(&mut self, view: AppView) {
         let existing_pos = self.history.iter().position(|v| v == &view);
-
         match existing_pos {
-            Some(pos) => {
-                self.active_index = pos;
-            }
+            Some(pos) => self.active_index = pos,
             None => {
                 self.history.push(view.clone());
                 self.active_index = self.history.len() - 1;
@@ -63,34 +54,51 @@ impl BufferState {
         }
     }
 
-    /// Gets the currently active view.
     pub fn get_active_view(&self) -> Option<&AppView> {
         self.history.get(self.active_index)
     }
 
-    /// Removes the currently active buffer from the history, unless it's the Intro buffer.
-    /// Sets the new active buffer to the one preceding the closed one.
-    /// # Returns
-    /// * `true` if a non-Intro buffer was closed.
-    /// * `false` if the active buffer was Intro or only Intro remained.
     pub fn close_active_buffer(&mut self) -> bool {
-        let current_index = self.active_index;
+        if self.history.is_empty() {
+            self.history.push(AppView::Intro);
+            self.active_index = 0;
+            return false;
+        }
 
-        // Rule 1: Cannot close Intro buffer.
+        let current_index = self.active_index;
         if matches!(self.history.get(current_index), Some(AppView::Intro)) {
             return false;
         }
 
-        // Rule 2: Cannot close if only Intro would remain (or already remains).
-        // This check implicitly covers the case where len <= 1.
-        if self.history.len() <= 1 {
-             return false;
-        }
-
         self.history.remove(current_index);
-        self.active_index = current_index.saturating_sub(1).min(self.history.len() - 1);
-
+        if self.history.is_empty() {
+            self.history.push(AppView::Intro);
+            self.active_index = 0;
+        } else if self.active_index >= self.history.len() {
+            self.active_index = self.history.len() - 1;
+        }
         true
     }
+
+    pub fn close_buffer_with_intro_fallback(&mut self) -> String {
+        let current_view_cloned = self.get_active_view().cloned();
+        if let Some(AppView::Intro) = current_view_cloned {
+            return "Cannot close intro buffer".to_string();
         }
 
+        let closed_name = current_view_cloned
+            .as_ref()
+            .map(|v| v.display_name().to_string())
+            .unwrap_or_else(|| "Unknown".to_string());
+
+        if self.close_active_buffer() {
+            if self.history.len() == 1 && matches!(self.history.get(0), Some(AppView::Intro)) {
+                format!("Closed '{}' - returned to intro", closed_name)
+            } else {
+                format!("Closed '{}'", closed_name)
+            }
+        } else {
+            format!("Cannot close buffer: {}", closed_name)
+        }
+    }
+}

client/src/tui/functions/common.rs

@@ -2,5 +2,6 @@
 
 pub mod form;
 pub mod login;
+pub mod logout;
 pub mod register;
 pub mod add_table;

client/src/tui/functions/common/login.rs

@@ -5,6 +5,7 @@ use crate::state::pages::auth::AuthState;
 use crate::state::pages::auth::LoginState;
 use crate::state::app::state::AppState;
 use crate::state::app::buffer::{AppView, BufferState};
+use crate::config::storage::storage::{StoredAuthData, save_auth_data};
 use crate::state::pages::canvas_state::CanvasState;
 use crate::ui::handlers::context::DialogPurpose;
 use common::proto::multieko2::auth::LoginResponse;
@@ -200,6 +201,20 @@ pub fn handle_login_result(
             auth_state.role = Some(response.role.clone());
             auth_state.decoded_username = Some(response.username.clone());
 
+            // --- NEW: Save auth data to file ---
+            let data_to_store = StoredAuthData {
+                access_token: response.access_token.clone(),
+                user_id: response.user_id.clone(),
+                role: response.role.clone(),
+                username: response.username.clone(),
+            };
+
+            if let Err(e) = save_auth_data(&data_to_store) {
+                error!("Failed to save auth data to file: {}", e);
+                // Continue anyway - user is still logged in for this session
+            }
+            // --- END NEW ---
+
             let success_message = format!(
                 "Login Successful!\n\nUsername: {}\nUser ID: {}\nRole: {}",
                 response.username, response.user_id, response.role

client/src/tui/functions/common/logout.rs

@@ -0,0 +1,47 @@
+// src/tui/functions/common/logout.rs
+use crate::config::storage::delete_auth_data;
+use crate::state::pages::auth::AuthState;
+use crate::state::app::state::AppState;
+use crate::state::app::buffer::{AppView, BufferState};
+use crate::ui::handlers::context::DialogPurpose;
+use tracing::{error, info};
+
+pub fn logout(
+    auth_state: &mut AuthState,
+    app_state: &mut AppState,
+    buffer_state: &mut BufferState,
+) -> String {
+    // Clear auth state in memory
+    auth_state.auth_token = None;
+    auth_state.user_id = None;
+    auth_state.role = None;
+    auth_state.decoded_username = None;
+    
+    // Delete stored auth data
+    if let Err(e) = delete_auth_data() {
+        error!("Failed to delete stored auth data: {}", e);
+        // Continue anyway - user is logged out in memory
+    }
+    
+    // Navigate to intro screen
+    buffer_state.history = vec![AppView::Intro];
+    buffer_state.active_index = 0;
+    
+    // Reset UI state
+    app_state.ui.focus_outside_canvas = false;
+    app_state.focused_button_index = 0;
+    
+    // Hide any open dialogs
+    app_state.hide_dialog();
+    
+    // Show logout confirmation dialog
+    app_state.show_dialog(
+        "Logged Out",
+        "You have been successfully logged out.",
+        vec!["OK".to_string()],
+        DialogPurpose::LoginSuccess, // Reuse or create a new purpose
+    );
+    
+    info!("User logged out successfully.");
+    "Logged out successfully".to_string()
+}

client/src/ui/handlers/ui.rs

@@ -4,6 +4,7 @@ use crate::config::binds::config::Config;
 use crate::config::colors::themes::Theme;
 use crate::services::grpc_client::GrpcClient;
 use crate::services::ui_service::UiService;
+use crate::config::storage::storage::load_auth_data;
 use crate::modes::common::commands::CommandHandler;
 use crate::modes::handlers::event::{EventHandler, EventOutcome};
 use crate::modes::handlers::mode_manager::{AppMode, ModeManager};
@@ -68,6 +69,28 @@ pub async fn run_ui() -> Result<()> {
     let mut buffer_state = BufferState::default();
     let mut app_state = AppState::new().context("Failed to create initial app state")?;
 
+    // --- DATA: Load auth data from file at startup ---
+    let mut auto_logged_in = false;
+    match load_auth_data() {
+        Ok(Some(stored_data)) => {
+            // TODO: Optionally validate token with server here
+            // For now, assume valid if successfully loaded
+            auth_state.auth_token = Some(stored_data.access_token);
+            auth_state.user_id = Some(stored_data.user_id);
+            auth_state.role = Some(stored_data.role);
+            auth_state.decoded_username = Some(stored_data.username);
+            auto_logged_in = true;
+            info!("Auth data loaded from file. User is auto-logged in.");
+        }
+        Ok(None) => {
+            info!("No stored auth data found. User will see intro/login.");
+        }
+        Err(e) => {
+            error!("Failed to load auth data: {}", e);
+        }
+    }
+    // --- END DATA ---
+
     // Initialize app state with profile tree and table structure
     let column_names =
         UiService::initialize_app_state(&mut grpc_client, &mut app_state)
@@ -78,6 +101,16 @@ pub async fn run_ui() -> Result<()> {
     UiService::initialize_adresar_count(&mut grpc_client, &mut app_state).await?;
     form_state.reset_to_empty();
 
+    // --- DATA2: Adjust initial view based on auth status ---
+    if auto_logged_in {
+        // User is auto-logged in, go to main app view
+        buffer_state.history = vec![AppView::Form("Adresar".to_string())];
+        buffer_state.active_index = 0;
+        info!("Initial view set to Form due to auto-login.");
+    }
+    // If not auto-logged in, BufferState default (Intro) will be used
+    // --- END DATA2 ---
+
     // --- FPS Calculation State ---
     let mut last_frame_time = Instant::now();
     let mut current_fps = 0.0;