Remove CombinedSource class now that is no longer needed.

mayan/apps/folders/apps.py

@@ -10,7 +10,7 @@ from common import (
     menu_sidebar, menu_multi_item
 )
 from documents.models import Document
-from navigation import CombinedSource, SourceColumn
+from navigation import SourceColumn
 from rest_api.classes import APIEndPoint
 
 from .links import (

mayan/apps/folders/models.py

@@ -23,7 +23,7 @@ class Folder(models.Model):
         auto_now_add=True, verbose_name=_('Datetime created')
     )
     documents = models.ManyToManyField(
-        Document, related_name='folders', verbose_name=_('Documents')
+        Document, verbose_name=_('Documents')
     )
 
     def __str__(self):
@@ -49,3 +49,10 @@ class Folder(models.Model):
         unique_together = ('label', 'user')
         verbose_name = _('Folder')
         verbose_name_plural = _('Folders')
+
+
+class DocumentFolder(Folder):
+    class Meta:
+        proxy = True
+        verbose_name = _('Document folder')
+        verbose_name_plural = _('Document folders')

mayan/apps/navigation/__init__.py

@@ -1 +1 @@
-from .classes import CombinedSource, Link, Menu, SourceColumn  # NOQA
+from .classes import Link, Menu, SourceColumn  # NOQA

mayan/apps/navigation/classes.py

@@ -96,7 +96,7 @@ class Menu(object):
 
             for bound_source, links in self.bound_links.iteritems():
                 try:
-                    if inspect.isclass(bound_source) and type(resolved_navigation_object) == bound_source or source == CombinedSource(obj=resolved_navigation_object.__class__, view=current_view):
+                    if inspect.isclass(bound_source) and type(resolved_navigation_object) == bound_source:
                         for link in links:
                             resolved_link = link.resolve(
                                 context=context,
@@ -300,22 +300,3 @@ class SourceColumn(object):
             result = self.func(context=context)
 
         return result
-
-
-class CombinedSource(object):
-    """
-    Class that binds a link to a combination of an object and a view.
-    This is used to show links relating to a specific object type but only
-    in certain views.
-    Used by the PageDocument class to show rotatio and zoom link only on
-    certain views
-    """
-    def __init__(self, obj, view):
-        self.obj = obj
-        self.view = view
-
-    def __hash__(self):
-        return hash((self.obj, self.view))
-
-    def __eq__(self, other):
-        return hash(self) == hash(other)

mayan/apps/tags/apps.py

@@ -11,7 +11,7 @@ from common import (
 )
 from documents.models import Document
 from documents.search import document_search
-from navigation import CombinedSource, SourceColumn
+from navigation import SourceColumn
 from rest_api.classes import APIEndPoint
 
 from .links import (