X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/c9d35839befe92d916425baa4daec7dd77ade929..47e6637f180c9ffa3950ee9307f9667ffcfc2ee3:/app/helpers/browse_helper.rb

diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
index 3723186b8..76a6d5eb1 100644
--- a/app/helpers/browse_helper.rb
+++ b/app/helpers/browse_helper.rb
@@ -2,11 +2,11 @@ require "uri"
 
 module BrowseHelper
   def printable_name(object, version = false)
-    if object.id.is_a?(Array)
-      id = object.id[0]
-    else
-      id = object.id
-    end
+    id = if object.id.is_a?(Array)
+           object.id[0]
+         else
+           object.id
+         end
     name = t "printable_name.with_id", :id => id.to_s
     if version
       name = t "printable_name.with_version", :id => name, :version => object.version.to_s
@@ -25,6 +25,8 @@ module BrowseHelper
         name = t "printable_name.with_name_html", :name => content_tag(:bdi, object.tags["name:#{locale}"].to_s), :id => content_tag(:bdi, name)
       elsif object.tags.include? "name"
         name = t "printable_name.with_name_html", :name => content_tag(:bdi, object.tags["name"].to_s), :id => content_tag(:bdi, name)
+      elsif object.tags.include? "ref"
+        name = t "printable_name.with_name_html", :name => content_tag(:bdi, object.tags["ref"].to_s), :id => content_tag(:bdi, name)
       end
     end
 
@@ -52,6 +54,10 @@ module BrowseHelper
     end
   end
 
+  def link_follow(object)
+    "nofollow" if object.tags.empty?
+  end
+
   def format_key(key)
     if url = wiki_link("key", key)
       link_to h(key), url, :title => t("browse.tag_details.wiki_link.key", :key => key)
@@ -63,8 +69,13 @@ module BrowseHelper
   def format_value(key, value)
     if wp = wikipedia_link(key, value)
       link_to h(wp[:title]), wp[:url], :title => t("browse.tag_details.wikipedia_link", :page => wp[:title])
-    elsif wdt = wikidata_link(key, value)
-      link_to h(wdt[:title]), wdt[:url], :title => t("browse.tag_details.wikidata_link", :page => wdt[:title])
+    elsif wdt = wikidata_links(key, value)
+      # IMPORTANT: Note that wikidata_links() returns an array of hashes, unlike for example wikipedia_link(),
+      # which just returns one such hash.
+      wdt = wdt.map do |w|
+        link_to(w[:title], w[:url], :title => t("browse.tag_details.wikidata_link", :page => w[:title].strip))
+      end
+      safe_join(wdt, ";")
     elsif url = wiki_link("tag", "#{key}=#{value}")
       link_to h(value), url, :title => t("browse.tag_details.wiki_link.tag", :key => key, :value => value)
     elsif url = telephone_link(key, value)
@@ -88,7 +99,7 @@ module BrowseHelper
 
   private
 
-  ICON_TAGS = %w(aeroway amenity barrier building highway historic landuse leisure man_made natural railway shop tourism waterway)
+  ICON_TAGS = %w(aeroway amenity barrier building highway historic landuse leisure man_made natural railway shop tourism waterway).freeze
 
   def icon_tags(object)
     object.tags.find_all { |k, _v| ICON_TAGS.include? k }.sort
@@ -119,14 +130,14 @@ module BrowseHelper
     if key == "wikipedia"
       # This regex should match Wikipedia language codes, everything
       # from de to zh-classical
-      if value =~ /^([a-z-]{2,12}):(.+)$/i
-        # Value is <lang>:<title> so split it up
-        # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
-        lang = $1
-      else
-        # Value is <title> so default to English Wikipedia
-        lang = "en"
-      end
+      lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
+               # Value is <lang>:<title> so split it up
+               # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
+               $1
+             else
+               # Value is <title> so default to English Wikipedia
+               "en"
+             end
     elsif key =~ /^wikipedia:(\S+)$/
       # Language is in the key, so assume value is the title
       lang = $1
@@ -152,12 +163,21 @@ module BrowseHelper
     }
   end
 
-  def wikidata_link(key, value)
+  def wikidata_links(key, value)
+    # The simple wikidata-tag (this is limited to only one value)
     if key == "wikidata" && value =~ /^[Qq][1-9][0-9]*$/
-      return {
+      return [{
         :url => "//www.wikidata.org/wiki/#{value}?uselang=#{I18n.locale}",
         :title => value
-      }
+      }]
+    # Key has to be one of the accepted wikidata-tags
+    elsif key =~ /(architect|artist|brand|operator|subject):wikidata/ &&
+          # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
+          value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
+      # Splitting at every semicolon to get a separate hash for each wikidata-ID
+      return value.split(";").map do |id|
+        { :title => id, :url => "//www.wikidata.org/wiki/#{id.strip}?uselang=#{I18n.locale}" }
+      end
     end
     nil
   end