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Contents
module Alchemy
class EssenceRichtext < ActiveRecord::Base
acts_as_essence(
:preview_text_column => :stripped_body
)
# Require acts_as_ferret only if Ferret full text search is enabled (default).
# You can disable it in +config/alchemy/config.yml+
if Config.get(:ferret) == true
require 'acts_as_ferret'
acts_as_ferret(
:fields => {
:stripped_body => {:store => :yes}
},
:remote => false
)
before_save :check_ferret_indexing
end
before_save :strip_content
private
def strip_content
self.stripped_body = strip_tags(self.body)
end
def check_ferret_indexing
if self.do_not_index
self.disable_ferret(:always)
end
end
# Stripping HTML Tags and only returns plain text.
def strip_tags(html)
return html if html.blank?
if html.index("<")
text = ""
tokenizer = ::HTML::Tokenizer.new(html)
while token = tokenizer.next
node = ::HTML::Node.parse(nil, 0, 0, token, false)
# result is only the content of any Text nodes
text << node.to_s if node.class == ::HTML::Text
end
# strip any comments, and if they have a newline at the end (ie. line with
# only a comment) strip that too
text.gsub(/<!--(.*?)-->[\n]?/m, "")
else
html # already plain text
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems