Class: PageSet

Inherits:
Array
  • Object
show all
Defined in:
app/models/page_set.rb

Overview

Container for a set of pages with methods for manipulation.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(web, pages, accept_proc) ⇒ PageSet

Returns a new instance of PageSet.



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# File 'app/models/page_set.rb', line 5

def initialize(web, pages, accept_proc)
  @web = web
  if accept_proc.nil? then 
    super(pages)
  else
    super(pages.select { |page| accept_proc[page] })
  end
end

Instance Attribute Details

#web ⇒ Object (readonly)

Returns the value of attribute web.



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# File 'app/models/page_set.rb', line 3

def web
  @web
end

Instance Method Details

#authors ⇒ Object 



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# File 'app/models/page_set.rb', line 70

def authors
  self.inject([]) { |authors, page| authors << page.authors }.flatten.uniq.sort
end

#by_last_visited ⇒ Object

{{{



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# File 'app/models/page_set.rb', line 26

def by_last_visited #{{{
  self.sort_by { |page| [page.last_visited] }.reverse
end

#by_most_viewed ⇒ Object

}}}



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# File 'app/models/page_set.rb', line 30

def by_most_viewed #{{{
  self.sort_by { |page| [page.viewed] }.reverse
end

#by_name ⇒ Object 



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# File 'app/models/page_set.rb', line 18

def by_name
  self.sort_by { |page| [page.name] } 
end

#by_revision ⇒ Object 



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# File 'app/models/page_set.rb', line 22

def by_revision
  self.sort_by { |page| [page.created_at] }.reverse 
end

#characters ⇒ Object 



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# File 'app/models/page_set.rb', line 43

def characters
  self.inject(0) { |chars,page| chars += page.content.size }
end

#most_recent_revision ⇒ Object 



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# File 'app/models/page_set.rb', line 14

def most_recent_revision
  self.sort_by { |page| [page.created_at] }.reverse.first.created_at
end

#names ⇒ Object 



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# File 'app/models/page_set.rb', line 62

def names
  self.map { |page| page.name }
end

#orphaned_pages ⇒ Object

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



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# File 'app/models/page_set.rb', line 51

def orphaned_pages
  references = web.select.wiki_words + ["HomePage"] + web.select.authors
  self.reject { |page| references.include?(page.name) } 
end

#pages_authored_by(author) ⇒ Object 



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# File 'app/models/page_set.rb', line 39

def pages_authored_by(author)
  self.select { |page| page.authors.include?(author) }
end

#pages_that_reference(page_name) ⇒ Object 



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# File 'app/models/page_set.rb', line 35

def pages_that_reference(page_name)
  self.select { |page| page.wiki_words.include?(page_name) }
end

#wanted_pages ⇒ Object

Returns all the wiki words in this page set for which there are no pages in this page set’s web



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# File 'app/models/page_set.rb', line 58

def wanted_pages
  wiki_words - web.select.names
end

#wiki_words ⇒ Object 



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# File 'app/models/page_set.rb', line 66

def wiki_words
  self.inject([]) { |wiki_words, page| wiki_words << page.wiki_words }.flatten.uniq
end