feat: cancel ai jobs by id

internal/httpapi/server.go

@@ -61,6 +61,8 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		s.handleGetJob(w, r, path)
 	case r.Method == http.MethodPost && strings.HasPrefix(path, "/api/v1/jobs/") && strings.HasSuffix(path, "/retry"):
 		s.handleRetryJob(w, r, path)
+	case r.Method == http.MethodPost && strings.HasPrefix(path, "/api/v1/jobs/") && strings.HasSuffix(path, "/cancel"):
+		s.handleCancelJob(w, r, path)
 	case r.Method == http.MethodPost && strings.HasPrefix(path, "/api/v1/jobs/") && strings.HasSuffix(path, "/complete"):
 		s.handleCompleteJob(w, r, path)
 	case r.Method == http.MethodPost && strings.HasPrefix(path, "/api/v1/jobs/") && strings.HasSuffix(path, "/fail"):
@@ -267,7 +269,7 @@ func (s *Server) handleGetJob(w http.ResponseWriter, r *http.Request, path strin
 }
 
 func (s *Server) handleRetryJob(w http.ResponseWriter, r *http.Request, path string) {
-	id, err := jobIDFromPath(path, true)
+	id, err := jobIDFromActionPath(path, "retry")
 	if err != nil {
 		writeError(w, http.StatusBadRequest, err.Error())
 		return
@@ -286,6 +288,26 @@ func (s *Server) handleRetryJob(w http.ResponseWriter, r *http.Request, path str
 	writeJSON(w, http.StatusOK, job)
 }
 
+func (s *Server) handleCancelJob(w http.ResponseWriter, r *http.Request, path string) {
+	id, err := jobIDFromActionPath(path, "cancel")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, err.Error())
+		return
+	}
+	ctx, cancel := contextWithTimeout(r, 8*time.Second)
+	defer cancel()
+	job, err := s.store.CancelJob(ctx, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	if job == nil {
+		writeError(w, http.StatusNotFound, "cancellable job not found")
+		return
+	}
+	writeJSON(w, http.StatusOK, job)
+}
+
 func (s *Server) handleCompleteJob(w http.ResponseWriter, r *http.Request, path string) {
 	id, err := jobIDFromActionPath(path, "complete")
 	if err != nil {