app/helpers/browse_helper.rb

   1 module BrowseHelper
   2   def element_single_current_link(type, object, url)
   3     link_to url, { :class => element_class(type, object), :title => link_title(object), :rel => (link_follow(object) if type == "node") } do
   4       element_strikethrough object do
   5         printable_name object
   6       end
   7     end
   8   end
   9
  10   def printable_name(object, version: false)
  11     id = if object.id.is_a?(Array)
  12            object.id[0]
  13          else
  14            object.id
  15          end
  16     name = t "printable_name.with_id", :id => id.to_s
  17     name = t "printable_name.with_version", :id => name, :version => object.version.to_s if version
  18
  19     # don't look at object tags if redacted, so as to avoid giving
  20     # away redacted version tag information.
  21     unless object.redacted?
  22       available_locales = Locale.list(name_locales(object))
  23
  24       locale = available_locales.preferred(preferred_languages, :default => nil)
  25
  26       if object.tags.include? "name:#{locale}"
  27         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["name:#{locale}"].to_s), :id => tag.bdi(name)
  28       elsif object.tags.include? "name"
  29         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["name"].to_s), :id => tag.bdi(name)
  30       elsif object.tags.include? "ref"
  31         name = t "printable_name.with_name_html", :name => tag.bdi(object.tags["ref"].to_s), :id => tag.bdi(name)
  32       end
  33     end
  34
  35     name
  36   end
  37
  38   def element_strikethrough(object, &block)
  39     if object.redacted? || !object.visible?
  40       tag.s(&block)
  41     else
  42       yield
  43     end
  44   end
  45
  46   def element_class(type, object)
  47     classes = [type]
  48     classes += icon_tags(object).flatten.map { |t| h(t) } unless object.redacted?
  49     classes.join(" ")
  50   end
  51
  52   def link_title(object)
  53     if object.redacted?
  54       ""
  55     else
  56       h(icon_tags(object).map { |k, v| "#{k}=#{v}" }.to_sentence)
  57     end
  58   end
  59
  60   def link_follow(object)
  61     "nofollow" if object.tags.empty?
  62   end
  63
  64   def type_and_paginated_count(type, pages)
  65     if pages.page_count == 1
  66       t "browse.changeset.#{type}",
  67         :count => pages.item_count
  68     else
  69       t "browse.changeset.#{type}_paginated",
  70         :x => pages.current_page.first_item,
  71         :y => pages.current_page.last_item,
  72         :count => pages.item_count
  73     end
  74   end
  75
  76   private
  77
  78   ICON_TAGS = %w[aeroway amenity barrier building highway historic landuse leisure man_made natural railway shop tourism waterway].freeze
  79
  80   def icon_tags(object)
  81     object.tags.find_all { |k, _v| ICON_TAGS.include? k }.sort
  82   end
  83
  84   def name_locales(object)
  85     object.tags.keys.map { |k| Regexp.last_match(1) if k =~ /^name:(.*)$/ }.flatten
  86   end
  87 end