Class: Awestruct::Extensions::Posts

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# File 'lib/awestruct/extensions/posts.rb', line 5

def initialize(path_prefix='', assign_to=:posts)
  @path_prefix = path_prefix
  @assign_to   = assign_to
end

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# File 'lib/awestruct/extensions/posts.rb', line 10

def execute(site)
  posts = []

  site.pages.each do |page|
    year, month, day, slug = nil

    if ( page.relative_source_path =~ /^#{@path_prefix}\// )
      if ( page.relative_source_path =~ /^#{@path_prefix}\/(20[01][0-9])-([01][0-9])-([0123][0-9])-([^.]+)\..*$/ )
        year  = $1
        month = $2
        day   = $3
        slug  = $4
        page.date = Time.utc( year.to_i, month.to_i, day.to_i )
      elsif (page.date)
        page.relative_source_path =~ /^#{@path_prefix}\/(.*)\..*$/
        date = page.date;
        if date.kind_of? String
          date = Time.parse page.date
        end
        year = date.year
        month = date.month
        day = date.day
        page.date = Time.utc(year, month, day)
        slug = $1
      end

      # if a date was found create a post
      if( year and month and day)
        page.slug = slug
        context = OpenStruct.new({
          :site=>site,
          :page=>page,
        })
        #page.body = page.render( context )
        page.output_path = "#{@path_prefix}/#{year}/#{month}/#{day}/#{slug}.html"
        #page.layout = 'post'
        posts << page
      end
    end
  end

  posts = posts.sort_by{|each| [each.date, each.sequence || 0, File.mtime( each.source_path ), each.slug ] }.reverse

  last = nil
  singular = @assign_to.to_s.singularize
  posts.each do |e|
    if ( last != nil )
       e.send( "next_#{singular}=", last )
       last.send( "previous_#{singular}=", e )
    end
    last = e
  end

  site.send( "#{@assign_to}=", posts )
end