Add feature to restore script content to a specific version on history page

routes/http.py

@@ -393,3 +393,47 @@ def editor(function_id):
         )
 
     return render_template("dashboard/http_functions/editor.html", **editor_data)
+
+
+@http.route("/restore/<int:function_id>", methods=["POST"])
+@login_required
+def restore(function_id):
+    try:
+        user_id = current_user.id
+        version_number = request.json.get("version_number")
+
+        if not version_number:
+             return jsonify({"status": "error", "message": "Version number is required"}), 400
+        
+        # Verify ownership and existence of the function
+        http_function = db.execute(
+            "SELECT id FROM http_functions WHERE id = %s AND user_id = %s",
+            [function_id, user_id],
+            one=True
+        )
+        if not http_function:
+            return jsonify({"status": "error", "message": "Function not found"}), 404
+
+        # Fetch the content of the selected version
+        version_data = db.execute(
+            "SELECT script_content FROM http_functions_versions WHERE http_function_id = %s AND version_number = %s",
+            [function_id, version_number],
+            one=True
+        )
+        
+        if not version_data:
+            return jsonify({"status": "error", "message": "Version not found"}), 404
+
+        # Update the function with the old script content
+        # This will trigger the database function to create a new version entry
+        db.execute(
+            "UPDATE http_functions SET script_content = %s WHERE id = %s",
+            [version_data["script_content"], function_id],
+            commit=True
+        )
+
+        return jsonify({"status": "success", "message": f"Restored to version {version_number}"})
+
+    except Exception as e:
+        print(e)
+        return jsonify({"status": "error", "message": str(e)}), 500