Merge branch 'element-image-link' into 'master'

Link to image in Element admin

Closes #1310

See merge request teklia/arkindex/backend!1805

arkindex/documents/admin.py

@@ -86,9 +86,9 @@ class MetaDataInline(admin.TabularInline):
 class ElementAdmin(admin.ModelAdmin):
     list_display = ('id', 'name', 'type', 'corpus', )
     list_filter = ['type__slug', 'corpus']
-    fields = ('id', 'type', 'name', 'corpus', 'confidence', 'worker_run', )
-    raw_id_fields = ('worker_run', )
-    readonly_fields = ('id', 'corpus', )
+    fields = ('id', 'type', 'name', 'image', 'corpus', 'confidence', 'worker_run', )
+    raw_id_fields = ('worker_run',)
+    readonly_fields = ('id', 'corpus', 'image',)
     search_fields = ('name', )
     inlines = (MetaDataInline, ClassificationInline)
 

arkindex/images/models.py

@@ -329,7 +329,8 @@ class Image(S3FileMixin, IndexableModel):
             self.width, self.height = new_width, new_height
 
     def __str__(self):
-        return '{} - {}'.format(self.id, self.url)
+        # Used by admin
+        return self.url
 
 
 class Thumbnail(S3FileMixin):