fix: rendre l'annulation des tickets et taches interruptive

closes #2

src-tauri/src/commands/orchestrator.rs

@@ -3,6 +3,7 @@ use crate::models::ticket::ProcessedTicket;
 use crate::models::worktree::Worktree;
 use crate::AppState;
 use serde::Serialize;
+use tauri::async_runtime;
 use tauri::State;
 
 #[derive(Debug, Clone, Serialize)]
@@ -63,9 +64,22 @@ pub fn retry_ticket(state: State<'_, AppState>, ticket_id: String) -> Result<(),
 
 #[tauri::command]
 pub fn cancel_ticket(state: State<'_, AppState>, ticket_id: String) -> Result<(), AppError> {
+    {
+        let conn = state.db.lock().map_err(|e| AppError::from(e.to_string()))?;
+        let ticket = ProcessedTicket::get_by_id(&conn, &ticket_id)?;
+
+        if ticket.status == "Done" || ticket.status == "Cancelled" {
+            return Err(AppError::from(format!(
+                "Cannot cancel ticket with status '{}'",
+                ticket.status
+            )));
+        }
+    }
+
+    async_runtime::block_on(state.process_registry.cancel_ticket(&ticket_id));
+
     let conn = state.db.lock().map_err(|e| AppError::from(e.to_string()))?;
     let ticket = ProcessedTicket::get_by_id(&conn, &ticket_id)?;
-
     if ticket.status == "Done" || ticket.status == "Cancelled" {
         return Err(AppError::from(format!(
             "Cannot cancel ticket with status '{}'",

src-tauri/src/commands/task.rs

@@ -4,6 +4,7 @@ use crate::models::agent_task::AgentTask;
 use crate::models::module::{ProjectModule, MODULE_AGENT_TASK_RUNNER};
 use crate::models::project::Project;
 use crate::AppState;
+use tauri::async_runtime;
 use tauri::State;
 
 #[tauri::command]
@@ -87,11 +88,27 @@ pub fn retry_agent_task(state: State<'_, AppState>, task_id: String) -> Result<(
 
 #[tauri::command]
 pub fn cancel_agent_task(state: State<'_, AppState>, task_id: String) -> Result<(), AppError> {
+    {
+        let db = state
+            .db
+            .lock()
+            .map_err(|e| AppError::from(format!("Database lock failed: {}", e)))?;
+
+        let task = AgentTask::get_by_id(&db, &task_id)?;
+        if task.status == "done" || task.status == "cancelled" {
+            return Err(AppError::from(format!(
+                "Impossible d'annuler une tâche avec le statut '{}'",
+                task.status
+            )));
+        }
+    }
+
+    async_runtime::block_on(state.process_registry.cancel_task(&task_id));
+
     let db = state
         .db
         .lock()
         .map_err(|e| AppError::from(format!("Database lock failed: {}", e)))?;
-
     let task = AgentTask::get_by_id(&db, &task_id)?;
     if task.status == "done" || task.status == "cancelled" {
         return Err(AppError::from(format!(

src-tauri/src/lib.rs

@@ -11,6 +11,7 @@ pub struct AppState {
     pub db: Arc<Mutex<rusqlite::Connection>>,
     pub encryption_key: [u8; 32],
     pub http_client: reqwest::Client,
+    pub process_registry: services::process_registry::ProcessRegistry,
 }
 
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
@@ -29,12 +30,14 @@ pub fn run() {
             let encryption_key = load_or_generate_key(&key_path)?;
 
             let http_client = reqwest::Client::new();
+            let process_registry = services::process_registry::ProcessRegistry::default();
 
             let db_arc = Arc::new(Mutex::new(conn));
             app.manage(AppState {
                 db: db_arc.clone(),
                 encryption_key,
                 http_client: http_client.clone(),
+                process_registry: process_registry.clone(),
             });
 
             // Start background poller
@@ -46,10 +49,14 @@ pub fn run() {
             );
 
             // Start agent orchestrator
-            services::orchestrator::start(db_arc.clone(), app.handle().clone());
+            services::orchestrator::start(
+                db_arc.clone(),
+                app.handle().clone(),
+                process_registry.clone(),
+            );
 
             // Start agent task runner
-            services::task_runner::start(db_arc, app.handle().clone());
+            services::task_runner::start(db_arc, app.handle().clone(), process_registry);
 
             Ok(())
         })

src-tauri/src/services/agent_runtime.rs

@@ -1,5 +1,9 @@
+use crate::services::process_registry::ProcessRegistry;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::Arc;
 use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
 use tokio::process::Command;
+use tokio::sync::Mutex as AsyncMutex;
 use tokio::time::{timeout, Duration};
 
 fn normalize_process_stderr(stderr: &str) -> String {
@@ -60,6 +64,128 @@ pub async fn run_agent_command(
     Ok(stdout)
 }
 
+pub async fn run_agent_command_for_task(
+    command: &str,
+    args: &[String],
+    prompt: &str,
+    working_dir: &str,
+    timeout_secs: u64,
+    process_registry: &ProcessRegistry,
+    task_id: &str,
+) -> Result<String, String> {
+    let child = Command::new(command)
+        .args(args)
+        .stdin(std::process::Stdio::piped())
+        .stdout(std::process::Stdio::piped())
+        .stderr(std::process::Stdio::piped())
+        .current_dir(working_dir)
+        .spawn()
+        .map_err(|e| format!("Failed to spawn '{}': {}", command, e))?;
+    let child = Arc::new(AsyncMutex::new(child));
+    let cancellation_requested = Arc::new(AtomicBool::new(false));
+    process_registry.register_task(task_id, child.clone(), cancellation_requested.clone());
+
+    let (stdin, stdout, stderr) = {
+        let mut child_guard = child.lock().await;
+        let stdin = child_guard.stdin.take();
+        let stdout = child_guard.stdout.take();
+        let stderr = child_guard.stderr.take();
+        (stdin, stdout, stderr)
+    };
+
+    if let Some(mut stdin) = stdin {
+        stdin.write_all(prompt.as_bytes()).await.map_err(|e| {
+            process_registry.unregister_task(task_id);
+            format!("Failed to write prompt to stdin: {}", e)
+        })?;
+    }
+
+    let stdout = stdout.ok_or_else(|| {
+        process_registry.unregister_task(task_id);
+        "Failed to capture stdout".to_string()
+    })?;
+    let stderr = stderr.ok_or_else(|| {
+        process_registry.unregister_task(task_id);
+        "Failed to capture stderr".to_string()
+    })?;
+
+    let stderr_task = tokio::spawn(async move {
+        let mut stderr_reader = BufReader::new(stderr);
+        let mut stderr_output = String::new();
+        stderr_reader
+            .read_to_string(&mut stderr_output)
+            .await
+            .map_err(|e| format!("Failed to read stderr: {}", e))?;
+        Ok::<String, String>(stderr_output)
+    });
+
+    let read_future = async {
+        let mut reader = BufReader::new(stdout).lines();
+        let mut output = String::new();
+
+        while let Ok(Some(line)) = reader.next_line().await {
+            output.push_str(&line);
+            output.push('\n');
+        }
+
+        let status = {
+            let mut child_guard = child.lock().await;
+            child_guard
+                .wait()
+                .await
+                .map_err(|e| format!("Failed to wait for process: {}", e))
+        }?;
+
+        let stderr_output = stderr_task
+            .await
+            .map_err(|e| format!("Failed to join stderr reader: {}", e))??;
+
+        Ok::<(String, String, std::process::ExitStatus), String>((output, stderr_output, status))
+    };
+
+    let (output, stderr_output, status) =
+        match timeout(Duration::from_secs(timeout_secs), read_future).await {
+            Ok(result) => match result {
+                Ok(values) => values,
+                Err(e) => {
+                    process_registry.unregister_task(task_id);
+                    return Err(e);
+                }
+            },
+            Err(_) => {
+                cancellation_requested.store(true, Ordering::SeqCst);
+                {
+                    let mut child_guard = child.lock().await;
+                    let _ = child_guard.start_kill();
+                }
+                process_registry.unregister_task(task_id);
+                return Err(format!("CLI command timed out after {}s", timeout_secs));
+            }
+        };
+
+    process_registry.unregister_task(task_id);
+
+    if cancellation_requested.load(Ordering::SeqCst) {
+        return Err("CLI command cancelled".to_string());
+    }
+
+    if !status.success() {
+        let stderr = normalize_process_stderr(&stderr_output);
+        let code = status.code().unwrap_or(-1);
+        if stderr.is_empty() {
+            return Err(format!("CLI command exited with code {}", code));
+        }
+        return Err(format!("CLI command exited with code {}: {}", code, stderr));
+    }
+
+    let stdout = output.trim().to_string();
+    if stdout.is_empty() {
+        return Ok("(empty response)".to_string());
+    }
+
+    Ok(stdout)
+}
+
 pub async fn run_agent_command_streaming<F>(
     command: &str,
     args: &[String],

src-tauri/src/services/mod.rs

@@ -4,6 +4,7 @@ pub mod filter_engine;
 pub mod notifier;
 pub mod orchestrator;
 pub mod poller;
+pub mod process_registry;
 pub mod task_runner;
 pub mod tuleap_client;
 pub mod worktree_manager;

src-tauri/src/services/orchestrator.rs

@@ -4,12 +4,15 @@ use crate::models::project::Project;
 use crate::models::ticket::ProcessedTicket;
 use crate::models::tracker::WatchedTracker;
 use crate::models::worktree::Worktree;
+use crate::services::process_registry::ProcessRegistry;
 use crate::services::{notifier, worktree_manager};
 use rusqlite::Connection;
+use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex};
 use tauri::{AppHandle, Emitter};
 use tokio::io::{AsyncBufReadExt, BufReader};
 use tokio::process::Command;
+use tokio::sync::Mutex as AsyncMutex;
 use tokio::time::{interval, timeout, Duration};
 
 #[derive(Debug, Clone, PartialEq)]
@@ -142,8 +145,9 @@ pub async fn run_cli_command(
     timeout_secs: u64,
     app_handle: &AppHandle,
     ticket_id: &str,
+    process_registry: &ProcessRegistry,
 ) -> Result<String, String> {
-    let mut child = Command::new(command)
+    let child = Command::new(command)
         .args(args)
         .stdin(std::process::Stdio::piped())
         .stdout(std::process::Stdio::piped())
@@ -151,16 +155,29 @@ pub async fn run_cli_command(
         .current_dir(working_dir)
         .spawn()
         .map_err(|e| format!("Failed to spawn '{}': {}", command, e))?;
+    let child = Arc::new(AsyncMutex::new(child));
+    let cancellation_requested = Arc::new(AtomicBool::new(false));
+    process_registry.register_ticket(ticket_id, child.clone(), cancellation_requested.clone());
 
-    if let Some(mut stdin) = child.stdin.take() {
+    let (stdin, stdout) = {
+        let mut child_guard = child.lock().await;
+        let stdin = child_guard.stdin.take();
+        let stdout = child_guard.stdout.take();
+        (stdin, stdout)
+    };
+
+    if let Some(mut stdin) = stdin {
         use tokio::io::AsyncWriteExt;
-        stdin
-            .write_all(prompt.as_bytes())
-            .await
-            .map_err(|e| format!("Failed to write to stdin: {}", e))?;
+        stdin.write_all(prompt.as_bytes()).await.map_err(|e| {
+            process_registry.unregister_ticket(ticket_id);
+            format!("Failed to write to stdin: {}", e)
+        })?;
     }
 
-    let stdout = child.stdout.take().ok_or("Failed to capture stdout")?;
+    let stdout = stdout.ok_or_else(|| {
+        process_registry.unregister_ticket(ticket_id);
+        "Failed to capture stdout".to_string()
+    })?;
     let mut reader = BufReader::new(stdout).lines();
     let mut output = String::new();
 
@@ -179,14 +196,29 @@ pub async fn run_cli_command(
         output
     };
 
-    let result = timeout(Duration::from_secs(timeout_secs), read_future)
-        .await
-        .map_err(|_| format!("CLI command timed out after {}s", timeout_secs))?;
+    let result = match timeout(Duration::from_secs(timeout_secs), read_future).await {
+        Ok(output) => output,
+        Err(_) => {
+            cancellation_requested.store(true, Ordering::SeqCst);
+            {
+                let mut child_guard = child.lock().await;
+                let _ = child_guard.start_kill();
+            }
+            process_registry.unregister_ticket(ticket_id);
+            return Err(format!("CLI command timed out after {}s", timeout_secs));
+        }
+    };
 
-    let status = child
-        .wait()
-        .await
-        .map_err(|e| format!("Failed to wait for process: {}", e))?;
+    let wait_result = {
+        let mut child_guard = child.lock().await;
+        child_guard.wait().await
+    };
+    process_registry.unregister_ticket(ticket_id);
+    let status = wait_result.map_err(|e| format!("Failed to wait for process: {}", e))?;
+
+    if cancellation_requested.load(Ordering::SeqCst) {
+        return Err("CLI command cancelled".to_string());
+    }
 
     if !status.success() {
         let code = status.code().unwrap_or(-1);
@@ -196,9 +228,17 @@ pub async fn run_cli_command(
     Ok(result)
 }
 
+fn is_ticket_cancelled(db: &Arc<Mutex<Connection>>, ticket_id: &str) -> Result<bool, String> {
+    let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
+    let current =
+        ProcessedTicket::get_by_id(&conn, ticket_id).map_err(|e| format!("get_by_id: {}", e))?;
+    Ok(current.status == "Cancelled")
+}
+
 async fn process_ticket(
     db: &Arc<Mutex<Connection>>,
     app_handle: &AppHandle,
+    process_registry: &ProcessRegistry,
 ) -> Result<bool, String> {
     let (ticket, tracker, project) = {
         let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
@@ -361,12 +401,16 @@ async fn process_ticket(
         600,
         app_handle,
         &ticket.id,
+        process_registry,
     )
     .await;
 
     let analyst_report = match analyst_result {
         Ok(report) => report,
         Err(e) => {
+            if is_ticket_cancelled(db, &ticket.id)? {
+                return Ok(true);
+            }
             record_ticket_error(
                 db,
                 app_handle,
@@ -379,6 +423,10 @@ async fn process_ticket(
         }
     };
 
+    if is_ticket_cancelled(db, &ticket.id)? {
+        return Ok(true);
+    }
+
     {
         let conn = db.lock().map_err(|e| format!("DB lock: {}", e))?;
         ProcessedTicket::set_analyst_report(&conn, &ticket.id, &analyst_report)
@@ -387,6 +435,10 @@ async fn process_ticket(
 
     let verdict = parse_verdict(&analyst_report);
     if verdict == Verdict::NoFix {
+        if is_ticket_cancelled(db, &ticket.id)? {
+            return Ok(true);
+        }
+
         let conn = db.lock().map_err(|e| format!("DB lock: {}", e))?;
         ProcessedTicket::update_status(&conn, &ticket.id, "Done")
             .map_err(|e| format!("update_status: {}", e))?;
@@ -460,12 +512,16 @@ async fn process_ticket(
         600,
         app_handle,
         &ticket.id,
+        process_registry,
     )
     .await;
 
     let developer_report = match developer_result {
         Ok(report) => report,
         Err(e) => {
+            if is_ticket_cancelled(db, &ticket.id)? {
+                return Ok(true);
+            }
             record_ticket_error(
                 db,
                 app_handle,
@@ -478,6 +534,10 @@ async fn process_ticket(
         }
     };
 
+    if is_ticket_cancelled(db, &ticket.id)? {
+        return Ok(true);
+    }
+
     {
         let conn = db.lock().map_err(|e| format!("DB lock: {}", e))?;
         ProcessedTicket::set_developer_report(&conn, &ticket.id, &developer_report)
@@ -499,12 +559,12 @@ async fn process_ticket(
     Ok(true)
 }
 
-pub fn start(db: Arc<Mutex<Connection>>, app_handle: AppHandle) {
+pub fn start(db: Arc<Mutex<Connection>>, app_handle: AppHandle, process_registry: ProcessRegistry) {
     tauri::async_runtime::spawn(async move {
         let mut tick = interval(Duration::from_secs(10));
         loop {
             tick.tick().await;
-            match process_ticket(&db, &app_handle).await {
+            match process_ticket(&db, &app_handle, &process_registry).await {
                 Ok(true) => {
                     continue;
                 }

src-tauri/src/services/process_registry.rs

@@ -0,0 +1,104 @@
+use std::collections::HashMap;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::{Arc, Mutex};
+use tokio::process::Child;
+use tokio::sync::Mutex as AsyncMutex;
+
+#[derive(Clone)]
+struct ActiveProcess {
+    child: Arc<AsyncMutex<Child>>,
+    cancellation_requested: Arc<AtomicBool>,
+}
+
+impl ActiveProcess {
+    fn new(child: Arc<AsyncMutex<Child>>, cancellation_requested: Arc<AtomicBool>) -> Self {
+        Self {
+            child,
+            cancellation_requested,
+        }
+    }
+}
+
+#[derive(Clone, Default)]
+pub struct ProcessRegistry {
+    ticket_processes: Arc<Mutex<HashMap<String, ActiveProcess>>>,
+    task_processes: Arc<Mutex<HashMap<String, ActiveProcess>>>,
+}
+
+impl ProcessRegistry {
+    pub fn register_ticket(
+        &self,
+        ticket_id: &str,
+        child: Arc<AsyncMutex<Child>>,
+        cancellation_requested: Arc<AtomicBool>,
+    ) {
+        let mut processes = self
+            .ticket_processes
+            .lock()
+            .unwrap_or_else(|poison| poison.into_inner());
+        processes.insert(
+            ticket_id.to_string(),
+            ActiveProcess::new(child, cancellation_requested),
+        );
+    }
+
+    pub fn unregister_ticket(&self, ticket_id: &str) {
+        let mut processes = self
+            .ticket_processes
+            .lock()
+            .unwrap_or_else(|poison| poison.into_inner());
+        processes.remove(ticket_id);
+    }
+
+    pub async fn cancel_ticket(&self, ticket_id: &str) -> bool {
+        self.cancel_process(&self.ticket_processes, ticket_id).await
+    }
+
+    pub fn register_task(
+        &self,
+        task_id: &str,
+        child: Arc<AsyncMutex<Child>>,
+        cancellation_requested: Arc<AtomicBool>,
+    ) {
+        let mut processes = self
+            .task_processes
+            .lock()
+            .unwrap_or_else(|poison| poison.into_inner());
+        processes.insert(
+            task_id.to_string(),
+            ActiveProcess::new(child, cancellation_requested),
+        );
+    }
+
+    pub fn unregister_task(&self, task_id: &str) {
+        let mut processes = self
+            .task_processes
+            .lock()
+            .unwrap_or_else(|poison| poison.into_inner());
+        processes.remove(task_id);
+    }
+
+    pub async fn cancel_task(&self, task_id: &str) -> bool {
+        self.cancel_process(&self.task_processes, task_id).await
+    }
+
+    async fn cancel_process(
+        &self,
+        map: &Arc<Mutex<HashMap<String, ActiveProcess>>>,
+        entity_id: &str,
+    ) -> bool {
+        let process = {
+            let processes = map.lock().unwrap_or_else(|poison| poison.into_inner());
+            processes.get(entity_id).cloned()
+        };
+
+        let Some(process) = process else {
+            return false;
+        };
+
+        process.cancellation_requested.store(true, Ordering::SeqCst);
+        let mut child = process.child.lock().await;
+        let _ = child.start_kill();
+        true
+    }
+}

src-tauri/src/services/task_runner.rs

@@ -3,6 +3,7 @@ use crate::models::agent_task::AgentTask;
 use crate::models::module::{ProjectModule, MODULE_AGENT_TASK_RUNNER};
 use crate::models::project::Project;
 use crate::services::agent_runtime;
+use crate::services::process_registry::ProcessRegistry;
 use rusqlite::Connection;
 use std::sync::{Arc, Mutex};
 use tauri::{AppHandle, Emitter};
@@ -60,6 +61,7 @@ fn emit_status(
 async fn process_next_task(
     db: &Arc<Mutex<Connection>>,
     app_handle: &AppHandle,
+    process_registry: &ProcessRegistry,
 ) -> Result<bool, String> {
     let next_task = {
         let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
@@ -102,23 +104,45 @@ async fn process_next_task(
 
     let prompt = build_task_prompt(&task, &project);
     let args = agent.tool.to_non_interactive_args();
-    let result = agent_runtime::run_agent_command(
+    let result = agent_runtime::run_agent_command_for_task(
         agent.tool.to_command(),
         &args,
         &prompt,
         &project.path,
         900,
+        process_registry,
+        &task.id,
     )
     .await;
 
     match result {
         Ok(report) => {
+            let current = {
+                let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
+                AgentTask::get_by_id(&conn, &task.id)
+                    .map_err(|e| format!("task lookup failed: {}", e))?
+            };
+            if current.status == "cancelled" {
+                emit_status(app_handle, &task.project_id, &task.id, "cancelled", None);
+                return Ok(true);
+            }
+
             let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
             AgentTask::mark_done(&conn, &task.id, &report)
                 .map_err(|e| format!("mark task done failed: {}", e))?;
             emit_status(app_handle, &task.project_id, &task.id, "done", None);
         }
         Err(error) => {
+            let current = {
+                let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
+                AgentTask::get_by_id(&conn, &task.id)
+                    .map_err(|e| format!("task lookup failed: {}", e))?
+            };
+            if current.status == "cancelled" {
+                emit_status(app_handle, &task.project_id, &task.id, "cancelled", None);
+                return Ok(true);
+            }
+
             let conn = db.lock().map_err(|e| format!("DB lock failed: {}", e))?;
             AgentTask::mark_error(&conn, &task.id, &error)
                 .map_err(|e| format!("mark task error failed: {}", e))?;
@@ -135,12 +159,12 @@ async fn process_next_task(
     Ok(true)
 }
 
-pub fn start(db: Arc<Mutex<Connection>>, app_handle: AppHandle) {
+pub fn start(db: Arc<Mutex<Connection>>, app_handle: AppHandle, process_registry: ProcessRegistry) {
     tauri::async_runtime::spawn(async move {
         let mut tick = interval(Duration::from_secs(8));
         loop {
             tick.tick().await;
-            match process_next_task(&db, &app_handle).await {
+            match process_next_task(&db, &app_handle, &process_registry).await {
                 Ok(true) => continue,
                 Ok(false) => {}
                 Err(e) => {