Class: MyTags::TagList

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/my_tags/tag_list.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(taggable) ⇒ TagList

Returns a new instance of TagList.



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# File 'lib/my_tags/tag_list.rb', line 5

def initialize(taggable)
  @taggable = taggable
end

Class Method Details

.new_with_names(taggable, names) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 32

def self.new_with_names(taggable, names)
  tag_names = new(taggable)
  tag_names.clear
  names.each { |name| tag_names << name }
  tag_names
end

Instance Method Details

#+(array) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 22

def +(array)
  array.each { |name| self.<< name }
  self
end

#-(array) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 27

def -(array)
  array.each { |name| self.delete name }
  self
end

#<<(name) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 13

def <<(name)
  tag = MyTags::Tag.where(:name => name).first_or_create
  taggable.tags << tag
end

#clear ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 39

def clear
  taggable.tags.clear
end

#delete(name) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 18

def delete(name)
  taggable.tags.delete MyTags::Tag.where(:name => name).first
end

#each(&block) ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 43

def each(&block)
  to_a.each &block
end

#to_a ⇒ Object 



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# File 'lib/my_tags/tag_list.rb', line 9

def to_a
  taggable.tags.collect &:name
end