gitlab-org--gitlab-foss/lib/gitlab/reference_extractor.rb
Yorick Peterse 86166d2802
Split Markdown rendering & reference gathering
This splits the Markdown rendering and reference extraction phases into
two distinct code bases. The reference extraction phase no longer relies
on the html-pipeline Gem (and any related code) and allows for
extracting of references from multiple HTML nodes in a single pass. This
means that if you want to extract user references from 200 comments you
no longer need to run 200 times N number of queries, instead only a
handful of queries may be needed.
2016-05-26 17:14:00 +02:00

53 lines
1.3 KiB
Ruby

module Gitlab
# Extract possible GFM references from an arbitrary String for further processing.
class ReferenceExtractor < Banzai::ReferenceExtractor
REFERABLES = %i(user issue label milestone merge_request snippet commit commit_range)
attr_accessor :project, :current_user, :author
def initialize(project, current_user = nil)
@project = project
@current_user = current_user
@references = {}
super()
end
def analyze(text, context = {})
super(text, context.merge(project: project))
end
def references(type)
super(type, project, current_user)
end
REFERABLES.each do |type|
define_method("#{type}s") do
@references[type] ||= references(type)
end
end
def issues
if project && project.jira_tracker?
@references[:external_issue] ||= references(:external_issue)
else
@references[:issue] ||= references(:issue)
end
end
def all
REFERABLES.each { |referable| send(referable.to_s.pluralize) }
@references.values.flatten
end
def self.references_pattern
return @pattern if @pattern
patterns = REFERABLES.map do |ref|
ref.to_s.classify.constantize.try(:reference_pattern)
end
@pattern = Regexp.union(patterns.compact)
end
end
end