Fix #505

ragna/deploy/_ui/components/metadata_filters_builder.py

@@ -151,8 +151,7 @@ def __init__(self, corpus_metadata, **params):
         )
         self.add_filter_row_button.on_click(self.add_filter_row)
 
-        self.corpus_names_select.param.watch(self.reset_filter_rows, "value")
-
+
     def create_filter_row(self):
         return [
             FilterRow(
@@ -165,9 +164,6 @@ def create_filter_row(self):
             )
         ]
 
-    def reset_filter_rows(self, event=None):
-        self.filter_rows = self.create_filter_row()
-
     def add_filter_row(self, event):
         self.filter_rows = self.filter_rows + self.create_filter_row()
 
@@ -188,7 +184,7 @@ def render_filters_rows(self):
             *self.filter_rows,
             css_classes=["metadata-filter-row-collection"],
         )
-
+    
     def construct_metadata_filters(self):
         metadata_filters = [
             filter_row.construct_metadata_filter()
@@ -201,6 +197,16 @@ def construct_metadata_filters(self):
         return MetadataFilter.and_(metadata_filters).to_primitive()
 
     def __panel__(self):
+
+
+        if len(self.corpus_names) == 0:
+            return pn.Column(
+                pn.pane.HTML("<b>No corpus available for selected source storage</b>"),
+                sizing_mode="stretch_both",
+                height_policy="max",
+            )
+
+
         return pn.Column(
             self.corpus_names_select,
             pn.pane.HTML("<b>Metadata Filters</b>"),

ragna/deploy/_ui/modal_configuration.py

@@ -414,6 +414,7 @@ def add_error_message(self):
     )
     def corpus_or_upload_row(self):
         if self.corpus_or_upload == USE_CORPUS_LABEL:
+
             if self.config.source_storage_name in self.corpus_names:
                 corpus_names = self.corpus_names[self.config.source_storage_name]
             else:
@@ -428,7 +429,10 @@ def corpus_or_upload_row(self):
                 corpus_names=corpus_names, corpus_metadata=corpus_metadata
             )
 
-            data = pn.Column(self.metadata_filter_rows_title, self.metadata_filter_rows)
+            if len(corpus_names) > 0:
+                data = pn.Column(self.metadata_filter_rows_title, self.metadata_filter_rows)
+            else:
+                data = pn.Column(self.metadata_filter_rows)
 
             self.error = False
             return data