73 lines
1.8 KiB
Ruby
73 lines
1.8 KiB
Ruby
# Container for a set of pages with methods for manipulation.
|
|
|
|
class PageSet < Array
|
|
attr_reader :web
|
|
|
|
def initialize(web, pages = nil, condition = nil)
|
|
@web = web
|
|
# if pages is not specified, make a list of all pages in the web
|
|
if pages.nil?
|
|
super(web.pages.values)
|
|
# otherwise use specified pages and condition to produce a set of pages
|
|
elsif condition.nil?
|
|
super(pages)
|
|
else
|
|
super(pages.select { |page| condition[page] })
|
|
end
|
|
end
|
|
|
|
def most_recent_revision
|
|
self.map { |page| page.created_at }.max || Time.at(0)
|
|
end
|
|
|
|
|
|
def by_name
|
|
PageSet.new(@web, sort_by { |page| page.name })
|
|
end
|
|
|
|
alias :sort :by_name
|
|
|
|
def by_revision
|
|
PageSet.new(@web, sort_by { |page| page.created_at }).reverse
|
|
end
|
|
|
|
def pages_that_reference(page_name)
|
|
self.select { |page| page.wiki_words.include?(page_name) }
|
|
end
|
|
|
|
def pages_authored_by(author)
|
|
self.select { |page| page.authors.include?(author) }
|
|
end
|
|
|
|
def characters
|
|
self.inject(0) { |chars,page| chars += page.content.size }
|
|
end
|
|
|
|
# Returns all the orphaned pages in this page set. That is,
|
|
# pages in this set for which there is no reference in the web.
|
|
# The HomePage and author pages are always assumed to have
|
|
# references and so cannot be orphans
|
|
def orphaned_pages
|
|
references = web.select.wiki_words + ['HomePage'] + web.select.authors
|
|
self.reject { |page| references.include?(page.name) }
|
|
end
|
|
|
|
# Returns all the wiki words in this page set for which
|
|
# there are no pages in this page set's web
|
|
def wanted_pages
|
|
wiki_words - web.select.names
|
|
end
|
|
|
|
def names
|
|
self.map { |page| page.name }
|
|
end
|
|
|
|
def wiki_words
|
|
self.inject([]) { |wiki_words, page| wiki_words << page.wiki_words }.flatten.uniq
|
|
end
|
|
|
|
def authors
|
|
self.inject([]) { |authors, page| authors << page.authors }.flatten.uniq.sort
|
|
end
|
|
|
|
end |