Class: Nerdinator::Session

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/nerdinator/session.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#tree ⇒ Object

Returns the value of attribute tree.



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# File 'lib/nerdinator/session.rb', line 4

def tree
  @tree
end

Instance Method Details

#add(session_query, tree = @tree) ⇒ Object 



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# File 'lib/nerdinator/session.rb', line 17

def add(session_query, tree = @tree)
  tree[session_query.first] ||= {}
  if session_query.length > 1
    session = session_query.shift
    add(session_query, tree[session])
  end
end

#leaves(session_query, tree = @tree) ⇒ Object 



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# File 'lib/nerdinator/session.rb', line 35

def leaves(session_query, tree = @tree)
  if session_query.length.zero?
    tree.inject([]) do |acc, (session, subtree)|
      sub_leaves = leaves([], subtree)
      if sub_leaves.empty?
        acc << session
      else
        acc += sub_leaves
      end
    end
  else
    session = session_query.shift
    return [session] if tree[session].empty?
    leaves(session_query, tree[session])
  end
end

#list(tree = @tree, spacing = '') ⇒ Object 



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# File 'lib/nerdinator/session.rb', line 6

def list(tree = @tree, spacing = '')
  tree.to_a.each do |session, subtree|
    if subtree.keys.length.zero?
      puts "#{spacing}#{session}"
    else
      puts "#{spacing}#{session}:"
      list(subtree, "#{spacing}  ")
    end
  end
end

#remove(session_query, tree = @tree) ⇒ Object 



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# File 'lib/nerdinator/session.rb', line 25

def remove(session_query, tree = @tree)
  if session_query.length > 1
    session = session_query.shift
    remove(session_query, tree[session])
    tree.delete(session) if tree[session].keys.length.zero?
  else
    tree.delete(session_query.first)
  end
end