Add duplicated document scan support.

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

mayan/apps/documents/views/misc_views.py

@@ -8,7 +8,7 @@ from django.utils.translation import ugettext_lazy as _
 from common.generics import ConfirmView
 
 from ..permissions import permission_document_tools
-from ..tasks import task_clear_image_cache
+from ..tasks import task_clear_image_cache, task_scan_duplicates_all
 
 logger = logging.getLogger(__name__)
 
@@ -24,3 +24,16 @@ class ClearImageCacheView(ConfirmView):
         messages.success(
             self.request, _('Document cache clearing queued successfully.')
         )
+
+
+class ScanDuplicatedDocuments(ConfirmView):
+    extra_context = {
+        'title': _('Scan for duplicated documents?')
+    }
+    view_permission = permission_document_tools
+
+    def view_action(self):
+        task_scan_duplicates_all.apply_async()
+        messages.success(
+            self.request, _('Duplicated document scan queued successfully.')
+        )