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|
# frozen_string_literal: true
module Gitlab
module QuickActions
class UsersExtractor
MAX_QUICK_ACTION_USERS = 100
Error = Class.new(ArgumentError)
TooManyError = Class.new(Error) do
def limit
MAX_QUICK_ACTION_USERS
end
end
MissingError = Class.new(Error)
TooManyFoundError = Class.new(TooManyError)
TooManyRefsError = Class.new(TooManyError)
attr_reader :text, :current_user, :project, :group, :target
def initialize(current_user, project:, group:, target:, text:)
@current_user = current_user
@project = project
@group = group
@target = target
@text = text
end
def execute
return [] unless text.present?
users = collect_users
check_users!(users)
users
end
private
def collect_users
users = []
users << current_user if me?
users += find_referenced_users if references.any?
users
end
def check_users!(users)
raise TooManyFoundError if users.size > MAX_QUICK_ACTION_USERS
found = found_names(users)
missing = references.filter_map do
"'#{_1}'" unless found.include?(_1.downcase.delete_prefix('@'))
end
raise MissingError, missing.to_sentence if missing.present?
end
def found_names(users)
users.map(&:username).map(&:downcase).to_set
end
def find_referenced_users
raise TooManyRefsError if references.size > MAX_QUICK_ACTION_USERS
User.by_username(usernames).limit(MAX_QUICK_ACTION_USERS)
end
def usernames
references.map { _1.delete_prefix('@') }
end
def references
@references ||= begin
refs = args - ['me']
# nb: underscores may be passed in escaped to protect them from markdown rendering
refs.map! { _1.gsub(/\\_/, '_') }
refs
end
end
def args
@args ||= text.split(/\s|,/).map(&:strip).select(&:present?).uniq - ['and']
end
def me?
args&.include?('me')
end
end
end
end
Gitlab::QuickActions::UsersExtractor.prepend_mod_with('Gitlab::QuickActions::UsersExtractor')
|
