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module Gitlab
# Extract possible GFM references from an arbitrary String for further processing.
class ReferenceExtractor
attr_accessor :users, :issues, :merge_requests, :snippets, :commits
include Markdown
def initialize
@users, @issues, @merge_requests, @snippets, @commits = [], [], [], [], []
end
def analyze(string)
parse_references(string.dup)
end
# Given a valid project, resolve the extracted identifiers of the requested type to
# model objects.
def users_for(project)
users.map do |identifier|
project.users.where(username: identifier).first
end.reject(&:nil?)
end
def issues_for(project)
issues.map do |identifier|
project.issues.where(iid: identifier).first
end.reject(&:nil?)
end
def merge_requests_for(project)
merge_requests.map do |identifier|
project.merge_requests.where(iid: identifier).first
end.reject(&:nil?)
end
def snippets_for(project)
snippets.map do |identifier|
project.snippets.where(id: identifier).first
end.reject(&:nil?)
end
def commits_for(project)
repo = project.repository
return [] if repo.nil?
commits.map do |identifier|
repo.commit(identifier)
end.reject(&:nil?)
end
private
def reference_link(type, identifier, project)
# Append identifier to the appropriate collection.
send("#{type}s") << identifier
end
end
end
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