aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stif/netex_file.rb
blob: b3e0937274257a087ae8946b3225f82b2067151b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
module STIF
  class NetexFile

    CALENDAR_FILE_NAME = 'calendriers.xml'
    LINE_FILE_FORMAT   = %r{\A offre_ (.*?) _ .* \. xml \z}x
    XML_NAME_SPACE     = "http://www.netex.org.uk/netex"


    def initialize(file_name)
      @file_name = file_name
    end

    def frames
      frames = Hash.new { |h,k| h[k] = NetexFile::Frame.new(k) }
      Zip::File.open(@file_name) do |zipfile|
        zipfile.each do |entry|
          next unless entry.ftype == :file

          entry_dir_name, entry_file_name = File.split(entry.name)
          case entry_file_name
          when CALENDAR_FILE_NAME
            entry.get_input_stream do |stream|
              frames[entry_dir_name].parse_calendars(stream.read)
            end
          when LINE_FILE_FORMAT
            frames[entry_dir_name].add_offer_file($1)
          end
        end
      end
      frames.values
    end

    class Frame

      class << self
        def get_line_object_id file_name
          base_name = File.split(file_name).last
          STIF::NetexFile::LINE_FILE_FORMAT.match(base_name).try(:[], 1)
        end
      end

      attr_accessor :name

      def initialize(name)
        @name = name
      end

      def parse_calendars(calendars)
        # <netex:ValidBetween>
        #  <netex:FromDate>2017-03-01</netex:FromDate>
        #  <netex:ToDate>2017-03-31</netex:ToDate>
        # </netex:ValidBetween>
        xml = Nokogiri::XML(calendars)
        xml.xpath("//netex:ValidBetween", "netex" => NetexFile::XML_NAME_SPACE).each do |valid_between|
          from_date = valid_between.xpath("netex:FromDate").try :text
          to_date = valid_between.xpath("netex:ToDate").try :text
          periods << Range.new(Date.parse(from_date), Date.parse(to_date))
        end
      end

      def add_offer_file(line_object_id)
        line_refs << line_object_id
      end

      def periods
        @periods ||= []
      end

      def line_refs
        @line_refs ||= []
      end

    end
  end
end