Module: Marley::Plugins::OrmMaterializedPath::InstanceMethods

Defined in:
lib/marley/plugins/orm_materialized_path.rb

Instance Method Summary collapse

Instance Method Details

#_path ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 25

def _path;send(PATH_COL);end

#children_path ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 29

def children_path;("#{_path}#{id}#{SEP}");end

#children_path_arr ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 30

def children_path_arr; children_path.split(SEP).map &:to_i; end

#depth ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 32

def depth; path_arr.length; end

#new_child(vals = {}) ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 31

def new_child(vals={}); self.class.new({PATH_COL => children_path}.update(vals)); end

#parent_id ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 28

def parent_id; path_arr[-1]; end

#path_arr ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 26

def path_arr; _path.to_s.split(SEP).map &:to_i; end

#rest_cols ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 33

def rest_cols;super - [PATH_COL];end

#root_id ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 27

def root_id; path_arr[0]; end

#tree ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 35

def tree
  res=[block_given? ? (yield self) : [self,[]]]
  tree_ds.all.sort {|x,y| x.children_path_arr <=> y.children_path_arr}.each do |node|
    (1..(node.path_arr.length*2)).inject(res) {|arr,i| arr[-1]} << (block_given? ? (yield node) : [node,[]])
  end
  res[0]
end

#tree_ds ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 24

def tree_ds; self.class.list_dataset.filter(PATH_COL.like("#{children_path}%")); end

#values_tree ⇒ Object 



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# File 'lib/marley/plugins/orm_materialized_path.rb', line 42

def values_tree
  tree do |n|
    n.rest_cols.map{|c| n.send(c)} << []
  end
end