From a3a42d25d3c40f53a15cf788c50624b81b152312 Mon Sep 17 00:00:00 2001
From: psychedelicious <4822129+psychedelicious@users.noreply.github.com>
Date: Thu, 7 Mar 2024 16:19:42 +1100
Subject: [PATCH] fix(mm): model images reload when changed

When we change a model image, its URL remains the same. The browser will aggressively cache the image. The easiest way to fix this is to append a random query parameter to the URL whenever we build a model config in the API.
---
 .../app/services/model_images/model_images_default.py     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/invokeai/app/services/model_images/model_images_default.py b/invokeai/app/services/model_images/model_images_default.py
index 1100e5ced8..7488398978 100644
--- a/invokeai/app/services/model_images/model_images_default.py
+++ b/invokeai/app/services/model_images/model_images_default.py
@@ -5,6 +5,7 @@ from PIL.Image import Image as PILImageType
 from send2trash import send2trash
 
 from invokeai.app.services.invoker import Invoker
+from invokeai.app.util.misc import uuid_string
 from invokeai.app.util.thumbnails import make_thumbnail
 
 from .model_images_base import ModelImageFileStorageBase
@@ -56,7 +57,12 @@ class ModelImageFileStorageDisk(ModelImageFileStorageBase):
         if not self._validate_path(path):
             return
 
-        return self._invoker.services.urls.get_model_image_url(model_key)
+        url = self._invoker.services.urls.get_model_image_url(model_key)
+
+        # The image file
+        url += f"?{uuid_string()}"
+
+        return url
 
     def delete(self, model_key: str) -> None:
         try: