feat: add target deletion functionality with cascaded removal of associated jobs and tasks

internal/ui/handlers.go

@@ -30,6 +30,8 @@ func (s *Server) RegisterRoutes(mux *http.ServeMux) {
 	mux.HandleFunc("GET /targets", s.handleGetTargets)
 	mux.HandleFunc("POST /targets", s.handleCreateTarget)
 	mux.HandleFunc("POST /targets/{id}/toggle", s.handleToggleTarget)
+	mux.HandleFunc("POST /targets/{id}/delete", s.handleDeleteTarget)
+	mux.HandleFunc("DELETE /targets/{id}", s.handleDeleteTarget)
 	mux.HandleFunc("GET /jobs", s.handleGetJobs)
 	mux.HandleFunc("GET /jobs/{id}", s.handleGetJobDetail)
 	mux.HandleFunc("POST /jobs/{id}/analyze", s.handleAnalyzeJob)
@@ -153,6 +155,35 @@ func (s *Server) handleToggleTarget(w http.ResponseWriter, r *http.Request) {
 	s.handleGetTargets(w, r)
 }
 
+func (s *Server) handleDeleteTarget(w http.ResponseWriter, r *http.Request) {
+	idStr := r.PathValue("id")
+	id, err := strconv.ParseInt(idStr, 10, 64)
+	if err != nil {
+		http.Error(w, "invalid target id", http.StatusBadRequest)
+		return
+	}
+
+	logger.Log.Infow("Triggered /targets/{id}/delete", "component", "API", "target_id", id)
+
+	deletedTarget, deletedJobsCount, err := s.db.DeleteTarget(id)
+	if err != nil {
+		logger.Log.Errorw("Failed to delete target", "component", "API", "target_id", id, "error", err)
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	logger.Log.Infow("Target deleted successfully", "component", "API", "target_id", id, "name", deletedTarget.Name, "deleted_jobs", deletedJobsCount)
+
+	// Also remove from targets.yaml if target_config is configured
+	if s.cfg != nil && s.cfg.TargetConfig != "" && deletedTarget != nil {
+		if err := db.RemoveTargetFromYAML(s.cfg.TargetConfig, deletedTarget.TargetURL); err != nil {
+			logger.Log.Warnw("Could not remove target from targets.yaml", "component", "API", "error", err)
+		}
+	}
+
+	s.handleGetTargets(w, r)
+}
+
 func (s *Server) handleGetJobs(w http.ResponseWriter, r *http.Request) {
 	jobs, err := s.db.GetJobsWithAnalysis()
 	if err != nil {