Merge pull request #666 from girder/tile-caching

Better handle item changes with tile caching
girder · Oct 7, 2021 · 6919669 · 6919669
2 parents 1b8f663 + 7ab1889
commit 6919669
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## Version 1.8.3
+
+### Improvements
+- Better handle item changes with tile caching (#666)
+
 ## Version 1.8.2
 
 ### Improvements

diff --git a/girder/girder_large_image/web_client/views/imageViewerWidget/base.js b/girder/girder_large_image/web_client/views/imageViewerWidget/base.js
@@ -6,6 +6,11 @@ import View from '@girder/core/views/View';
 var ImageViewerWidget = View.extend({
     initialize: function (settings) {
         this.itemId = settings.itemId;
+        let item = (settings.model || {}).attributes || {};
+        this.updated = item.updated || item.created;
+        if (this.updated) {
+            this.updated = this.updated.replace(/:/g, '-').replace(/\+/g, '_');
+        }
         // optional query parameters, such as {encoding: 'PNG'}, may be
         // undefined or null
         this.tileQueryDefaults = settings.tileQueryDefaults;
@@ -39,6 +44,9 @@ var ImageViewerWidget = View.extend({
         }
         var url = getApiRoot() + '/item/' + this.itemId + '/tiles/zxy/' +
             level + '/' + x + '/' + y;
+        if (this.updated) {
+            query = $.extend({_: this.updated}, query);
+        }
         if (query) {
             url += '?' + $.param(query);
         }