Attachments fix (#528)

* Bump version

* Fix for viewing and uploading attachment files

- Make sure we use the correct attribute!

lib/inventree/model.dart

@@ -1001,11 +1001,23 @@ class InvenTreeAttachment extends InvenTreeModel {
     String url = URL;
 
     if (InvenTreeAPI().supportsModernAttachments) {
-      // All attachments are stored in a consolidated table
+
+      if (modelType.isEmpty) {
+        sentryReportMessage("uploadAttachment called with empty 'modelType'");
+        return false;
+      }
+
       url = "attachment/";
       data["model_id"] = modelId.toString();
       data["model_type"] = modelType;
+
     } else {
+
+      if (REFERENCE_FIELD.isEmpty) {
+        sentryReportMessage("uploadAttachment called with empty 'REFERENCE_FIELD'");
+        return false;
+      }
+
       data[REFERENCE_FIELD] = modelId.toString();
     }
 

lib/widget/attachment_widget.dart

@@ -76,7 +76,11 @@ class _AttachmentWidgetState extends RefreshableState<AttachmentWidget> {
 
     showLoadingOverlay(context);
 
-    final bool result = await widget.attachmentClass.uploadAttachment(file, widget.attachmentClass.MODEL_TYPE, widget.modelId);
+    final bool result = await widget.attachmentClass.uploadAttachment(
+        file,
+        widget.attachmentClass.REF_MODEL_TYPE,
+        widget.modelId
+    );
 
     hideLoadingOverlay();
 
@@ -137,7 +141,7 @@ class _AttachmentWidgetState extends RefreshableState<AttachmentWidget> {
     Map<String, String> filters = {};
 
     if (InvenTreeAPI().supportsModernAttachments) {
-      filters["model_type"] = widget.attachmentClass.MODEL_TYPE;
+      filters["model_type"] = widget.attachmentClass.REF_MODEL_TYPE;
       filters["model_id"] = widget.modelId.toString();
     } else {
       filters[widget.attachmentClass.REFERENCE_FIELD] = widget.modelId.toString();
@@ -148,10 +152,7 @@ class _AttachmentWidgetState extends RefreshableState<AttachmentWidget> {
     ).then((var results) {
       attachments.clear();
 
-      print("Found ${results.length} results:");
-
       for (var result in results) {
-        print(result.toString());
         if (result is InvenTreeAttachment) {
           attachments.add(result);
         }