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Contents
# frozen_string_literal: true
module Decidim
module ContentRenderers
# A renderer that searches Global IDs representing hashtags in content
# and replaces it with a link to their detail page with the name.
#
# e.g. gid://<APP_NAME>/Decidim::Hashtag/1
#
# @see BaseRenderer Examples of how to use a content renderer
class HashtagRenderer < BaseRenderer
# Matches a global id representing a Decidim::Hashtag
GLOBAL_ID_REGEX = %r{gid:\/\/[\w-]*\/Decidim::Hashtag\/(\d+)}
# Replaces found Global IDs matching an existing hashtag with
# a link to their detail page. The Global IDs representing an
# invalid Decidim::Hashtag are replaced with an empty string.
#
# @return [String] the content ready to display (contains HTML)
def render
content.gsub(GLOBAL_ID_REGEX) do |hashtag_gid|
begin
hashtag = GlobalID::Locator.locate(hashtag_gid)
Decidim::HashtagPresenter.new(hashtag).display_hashtag
rescue ActiveRecord::RecordNotFound => _ex
""
end
end
end
def render_without_link
content.gsub(GLOBAL_ID_REGEX) do |hashtag_gid|
begin
hashtag = GlobalID::Locator.locate(hashtag_gid)
Decidim::HashtagPresenter.new(hashtag).display_hashtag_name
rescue ActiveRecord::RecordNotFound => _ex
""
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems