Class: Wikisnakker::Snak

Inherits:
Object
  • Object
show all
Defined in:
lib/wikisnakker/snak.rb

Instance Method Summary collapse

Constructor Details

#initialize(snak) ⇒ Snak

Returns a new instance of Snak.



5
6
7
 
# File 'lib/wikisnakker/snak.rb', line 5

def initialize(snak)
  @snak = snak
end

Instance Method Details

#value ⇒ Object

www.wikidata.org/wiki/Special:ListDatatypes www.wikidata.org/wiki/Help:Data_type



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
 
# File 'lib/wikisnakker/snak.rb', line 11

def value
  return if %w(somevalue novalue).include?(@snak[:snaktype])
  case @snak[:datatype]
  when 'commonsMedia'
    # https://commons.wikimedia.org/wiki/Commons:FAQ#What_are_the_strangely_named_components_in_file_paths.3F
    # commons = 'https://commons.wikimedia.org/wiki/File:%s' % @snak["datavalue"]["value"]
    val = @snak[:datavalue][:value].tr(' ', '_')
    md5 = Digest::MD5.hexdigest val
    "https://upload.wikimedia.org/wikipedia/commons/#{md5[0]}/#{md5[0..1]}/#{val}"
  when 'wikibase-item'
    # "Q%s" % @snak["datavalue"]["value"]["numeric-id"]
    Item.new(@snak[:datavalue][:value])
  when 'string'
    @snak[:datavalue][:value]
  when 'external-id'
    @snak[:datavalue][:value]
  when 'quantity'
    if @snak[:datavalue][:value][:upperBound] == @snak[:datavalue][:value][:lowerBound]
      @snak[:datavalue][:value][:amount].to_i
    else
      warn "FIXME: Unhandled 'quantity': #{@snak[:datavalue][:value]}"
    end
  when 'time'
    case @snak[:datavalue][:value][:precision]
    when 11
      @snak[:datavalue][:value][:time][1..10]
    when 10
      @snak[:datavalue][:value][:time][1..7]
    when 9
      @snak[:datavalue][:value][:time][1..4]
    when 7
      '' # Just ignore dates with century precision
    else
      warn "FIXME: Unhandled 'time' precision: #{@snak[:datavalue][:value][:precision]}"
    end
  when 'url'
    @snak[:datavalue][:value]
  else
    warn "FIXME: '#{@snak[:datatype]}' is not implemented yet in Wikisnakker::Snak#value. Defaulting to empty string. #{@snak[:datavalue][:value]}"
    ''
  end
end