+class NodeNavigationOverride(Entity):
+ parent = models.ForeignKey(Node, related_name="child_navigation_overrides", blank=True, null=True)
+ child = models.ForeignKey(Node, related_name="navigation_overrides")
+
+ title = models.CharField(max_length=100, blank=True)
+ url = models.CharField(max_length=200, validators=[RedirectValidator()], blank=True)
+ order = models.PositiveSmallIntegerField(blank=True, null=True)
+ child_navigation = JSONField()
+ hide = models.BooleanField()
+
+ def get_navigation(self, node, max_depth):
+ default = node.view.get_navigation(node, max_depth)
+ if self.url:
+ default['url'] = self.url
+ if self.title:
+ default['title'] = self.title
+ if self.order:
+ default['order'] = self.order
+ if isinstance(self.child_navigation, list) and node.get_level() < max_depth:
+ child_navigation = self.child_navigation[:]
+
+ for child in child_navigation:
+ child['url'] = default['url'] + child['url']
+
+ if 'children' in default:
+ overridden = set([child['url'] for child in default['children']]) & set([child['url'] for child in self.child_navigation])
+ if overridden:
+ for child in default[:]:
+ if child['url'] in overridden:
+ default.remove(child)
+ default['children'] += self.child_navigation
+ else:
+ default['children'] = self.child_navigation
+ return default
+
+ class Meta:
+ ordering = ['order']
+ unique_together = ('parent', 'child',)
+ app_label = 'philo'
+
+