54 lines
1.5 KiB
Ruby
54 lines
1.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class WikiDirectory
|
|
include ActiveModel::Validations
|
|
|
|
attr_accessor :slug, :entries
|
|
|
|
validates :slug, presence: true
|
|
alias_method :to_param, :slug
|
|
# Groups a list of wiki pages into a nested collection of WikiPage and WikiDirectory objects,
|
|
# preserving the order of the passed pages.
|
|
#
|
|
# Returns an array with all entries for the toplevel directory.
|
|
#
|
|
# @param [Array<WikiPage>] pages
|
|
# @return [Array<WikiPage, WikiDirectory>]
|
|
#
|
|
def self.group_pages(pages)
|
|
# Build a hash to map paths to created WikiDirectory objects,
|
|
# and recursively create them for each level of the path.
|
|
# For the toplevel directory we use '' as path, as that's what WikiPage#directory returns.
|
|
directories = Hash.new do |_, path|
|
|
directories[path] = new(path).tap do |directory|
|
|
if path.present?
|
|
parent = File.dirname(path)
|
|
parent = '' if parent == '.'
|
|
directories[parent].entries << directory
|
|
directories[parent].entries.delete_if { |item| item.is_a?(WikiPage) && item.slug == directory.slug }
|
|
end
|
|
end
|
|
end
|
|
|
|
pages.each do |page|
|
|
directories[page.directory].entries << page
|
|
end
|
|
|
|
directories[''].entries
|
|
end
|
|
|
|
def initialize(slug, entries = [])
|
|
@slug = slug
|
|
@entries = entries
|
|
end
|
|
|
|
def title
|
|
WikiPage.unhyphenize(File.basename(slug))
|
|
end
|
|
|
|
# Relative path to the partial to be used when rendering collections
|
|
# of this object.
|
|
def to_partial_path
|
|
'shared/wikis/wiki_directory'
|
|
end
|
|
end
|