Module: PagesCore::PageModel::Tree::InstanceMethods

Defined in:
app/models/concerns/pages_core/page_model/tree.rb

Instance Method Summary collapse

Instance Method Details

#all_subpages ⇒ Object

Returns all children, recursively



70
71
72
73
74
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 70

def all_subpages
  return nil unless subpages.any?

  localized_subpages.map { |p| [p, p.all_subpages] }.flatten.compact
end

#ancestors ⇒ Object

Returns list of ancestors, starting from parent until root.

subchild1.ancestors # => [child1, root]



62
63
64
65
66
67
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 62

def ancestors
  node = self
  nodes = []
  nodes << node = node.parent while node.parent
  nodes
end

#localized_subpages ⇒ Object 



76
77
78
79
80
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 76

def localized_subpages
  return subpages unless locale?

  subpages.localized(locale)
end

#next_sibling ⇒ Object

Finds the page’s next sibling. Returns nil if there isn’t one.



83
84
85
86
87
88
89
90
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 83

def next_sibling
  return unless persisted? && siblings.any?

  index = siblings.to_a.index(self)
  return unless index

  siblings[(index + 1)...siblings.length].try(&:first)
end

#pages(_options = nil) ⇒ Object

Get subpages



98
99
100
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 98

def pages(_options = nil)
  localized_subpages.published
end

#parent ⇒ Object

Returns the pages parent



93
94
95
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 93

def parent
  super.try { |node| node.localize(locale) }
end

#previous_sibling ⇒ Object

Finds the page’s previous sibling. Returns nil if there isn’t one.



103
104
105
106
107
108
109
110
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 103

def previous_sibling
  return unless persisted? && siblings.any?

  index = siblings.to_a.index(self)
  return unless index

  siblings[0...index].try(&:last)
end

#root ⇒ Object

Returns the root node of the tree.



113
114
115
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 113

def root
  self_and_ancestors.last
end

#self_and_ancestors ⇒ Object

Returns ancestors and current node itself.

subchild1.self_and_ancestors # => [subchild1, child1, root]



120
121
122
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 120

def self_and_ancestors
  [self] + ancestors
end

#siblings ⇒ Object

Returns all siblings, including self.



125
126
127
128
129
130
131
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 125

def siblings
  if parent
    parent.pages
  else
    self.class.roots.map { |node| node.localize(locale) }
  end
end

#subpages ⇒ Object 



133
134
135
 
# File 'app/models/concerns/pages_core/page_model/tree.rb', line 133

def subpages
  children.order(content_order)
end