Improve rendering of documents with no pages.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.rst

@@ -1,6 +1,7 @@
 XX (2017-XX-XX)
 ===============
 - Add Django-mathfilters.
+- Improve render of documents with no pages.
 
 2.3 (2017-06-08)
 ================

mayan/apps/documents/tests/test_widgets.py

@@ -0,0 +1,14 @@
+from __future__ import unicode_literals
+
+from ..widgets import DocumentThumbnailWidget
+
+from .test_models import GenericDocumentTestCase
+
+
+class DocumentWidgetTestCase(GenericDocumentTestCase):
+    def test_document_list_view_document_with_no_pages(self):
+        document_thumbnail_widget = DocumentThumbnailWidget()
+        self.document.pages.all().delete()
+        result = document_thumbnail_widget.render(instance=self.document)
+
+        self.assertTrue(self.document.get_absolute_url() in result)

mayan/apps/documents/widgets.py

@@ -268,19 +268,41 @@ class CarouselDocumentPageThumbnailWidget(BaseDocumentThumbnailWidget):
 
 class DocumentThumbnailWidget(BaseDocumentThumbnailWidget):
     def get_click_view_kwargs(self, instance):
+        #first_page = instance.pages.first()
+        #if first_page:
         return {
             'pk': instance.pk,
             'version_pk': instance.latest_version.pk,
-            'page_pk': instance.latest_version.pages.first().pk
+            'page_pk': instance.pages.first().pk
         }
 
+    def get_click_view_url(self, instance):
+        first_page = instance.pages.first()
+        if first_page:
+            return super(DocumentThumbnailWidget, self).get_click_view_url(
+                instance=instance
+            )
+        else:
+            return '#'
+
     def get_preview_view_kwargs(self, instance):
+        #first_page = instance.pages.first()
+        #if first_page:
         return {
             'pk': instance.pk,
             'version_pk': instance.latest_version.pk,
-            'page_pk': instance.latest_version.pages.first().pk
+            'page_pk': instance.pages.first().pk
         }
 
+    def get_preview_view_url(self, instance):
+        first_page = instance.pages.first()
+        if first_page:
+            return super(DocumentThumbnailWidget, self).get_preview_view_url(
+                instance=instance
+            )
+        else:
+            return ''
+
     def get_title(self, instance):
         return getattr(instance, 'label', None)