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Versions: 11
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Stored size: 1.74 KB
Contents
module Cms
module Behaviors
module Taggable
def self.included(model_class)
model_class.extend(MacroMethods)
end
module MacroMethods
def taggable?
!!@is_taggable
end
def is_taggable(options={})
@is_taggable = true
@tag_separator = options[:separator] || " "
has_many :taggings, :as => :taggable, :class_name => 'Cms::Tagging'
has_many :tags, -> { order("#{Cms::Tag.table_name}.name") }, :class_name => 'Cms::Tag', :through => :taggings
after_save :save_tags
extend ClassMethods
include InstanceMethods
end
end
module ClassMethods
def tagged_with(t)
where(["#{Cms::Tag.table_name}.name = ?", t]).includes(:taggings => :tag).references(:tags)
end
def tag_cloud
Cms::Tagging.cloud(base_class.name)
end
def tag_separator
@tag_separator
end
end
module InstanceMethods
def tag_list
@tag_list ||= tags.reload.map(&:name).join(self.class.tag_separator)
end
def tag_list=(tag_names)
changed_attributes["tag_list"] = tag_list unless @tag_list == tag_names
@tag_list = tag_names
end
def save_tags
tag_list_tags = tag_list.to_s.split(self.class.tag_separator).map { |t| Cms::Tag.find_or_create_by(name: t.strip) }
taggings.each do |tg|
if tag_list_tags.include?(tg.tag)
tag_list_tags.delete(tg.tag)
else
tg.destroy
end
end
tag_list_tags.each { |t| taggings.create(:tag => t, :taggable => self) }
self.tag_list = nil
end
end
end
end
end
Version data entries
11 entries across 11 versions & 2 rubygems