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Contents
# frozen_string_literal: true
module Decidim
module ContentParsers
# A parser that searches user mentions in content.
#
# A word starting with `#` will be considered as a possible hashtagging if
# they only contains letters, numbers or underscores. If the `#` is
# followed with an underscore, then it is not considered.
#
# @see BaseParser Examples of how to use a content parser
class HashtagParser < BaseParser
Metadata = Struct.new(:hashtags)
# Replaces found hashtags matching a name of an existing
# hashtag with a global id.
#
# @return [String] the content with the hashtags replaced by a global id
def rewrite
content.gsub(Decidim::Hashtag::HASHTAG_REGEX) do |match|
if (hashtag = Decidim::Hashtag.find_or_create_by(organization: context[:current_organization], name: Regexp.last_match[2].downcase))
Regexp.last_match[1] + hashtag.to_global_id.to_s
else
match
end
end
end
def metadata
Metadata.new(
Decidim::Hashtag.where(organization: context[:current_organization], name: content.scan(Decidim::Hashtag::HASHTAG_REGEX).flatten)
)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems