added error messages in database view

Author: leoBitto

app/templates/fragments/query_results.html

@@ -1,10 +1,6 @@
-{% with messages = get_flashed_messages() %}
-  {% if messages %}
-    {% for msg in messages %}
-      <div class="alert alert-warning">{{ msg }}</div>
-    {% endfor %}
-  {% endif %}
-{% endwith %}
+{% if error %}
+  <div class="alert alert-warning">{{ error }}</div>
+{% endif %}
 
 {% if results %}
 <table class="table table-striped table-bordered mt-3">

app/views.py

@@ -29,20 +29,27 @@ def database():
 @views_bp.route("/database/run", methods=["POST"])
 @login_required
 def run_query():
-    query = request.form.get("query")
+    query = request.form.get("query", "")
     results = []
     columns = []
+    error = None
 
-    if query:
+    if not query.strip():
+        error = "⚠️ Nessuna query inviata"
+    else:
         try:
             fetched = execute_query(query)
             if fetched:
                 columns = [f"Col{i}" for i in range(len(fetched[0]))]
                 results = fetched
             else:
-                flash("⚠️ Nessun risultato trovato")
+                error = "⚠️ Nessun risultato"
         except Exception as e:
-            flash(f"❌ Errore: {e}")
-
-    # renderizzi il frammento dei risultati
-    return render_template("fragments/query_results.html", results=results, columns=columns)
+            error = f"❌ Errore SQL: {e}"
+
+    return render_template(
+        "fragments/query_results.html",
+        results=results,
+        columns=columns,
+        error=error
+    )