added sorting for utterrances

kairon/api/app/routers/bot/bot.py

@@ -666,6 +666,7 @@ async def download_model(
             model_path,
             filename=os.path.basename(model_path),
             background=background_tasks,
+            media_type='application/octet-stream'
         )
         AuditDataProcessor.log("Model", current_user.account, current_user.get_bot(), current_user.get_user(),
                                action=AuditlogActions.DOWNLOAD.value)

kairon/shared/data/processor.py

@@ -5355,7 +5355,7 @@ def add_utterance_name(
             ).save()
 
     def get_utterances(self, bot: Text):
-        utterances = Utterances.objects(bot=bot, status=True)
+        utterances = Utterances.objects(bot=bot, status=True).order_by("-timestamp")
         for utterance in utterances:
             utterance = utterance.to_mongo().to_dict()
             utterance["_id"] = utterance["_id"].__str__()

kairon/shared/utils.py

@@ -82,6 +82,7 @@
 from .data.dto import KaironStoryStep
 from .models import StoryStepType, LlmPromptType, LlmPromptSource
 from ..exceptions import AppException
+from werkzeug.utils import secure_filename
 
 
 class Utility:
@@ -826,6 +827,7 @@ def copy_pretrained_model(bot: Text, template_name: Text):
         output_path = f"models/{bot}"
         tempdir = tempfile.mkdtemp()
         try:
+            template_name = secure_filename(template_name)
             model_path = f"template/use-cases/{template_name}/models"
             if os.path.exists(model_path):
                 model_file = Utility.get_latest_file(