X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/b40353b9b05350bccac09e136315f2fcb0093ca7..74694bcdcd7682259cf979d355e077438f0d4741:/app/helpers/browse_helper.rb

diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
index a2d0e440d..2f07fd2eb 100644
--- a/app/helpers/browse_helper.rb
+++ b/app/helpers/browse_helper.rb
@@ -1,30 +1,28 @@
-require "uri"
+require "cgi"
 
 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
-    end
+    name = t "printable_name.with_version", :id => name, :version => object.version.to_s if version
 
     # don't look at object tags if redacted, so as to avoid giving
     # away redacted version tag information.
     unless object.redacted?
       locale = I18n.locale.to_s
 
-      while locale =~ /-[^-]+/ && !object.tags.include?("name:#{I18n.locale}")
-        locale = locale.sub(/-[^-]+/, "")
-      end
+      locale = locale.sub(/-[^-]+/, "") while locale =~ /-[^-]+/ && !object.tags.include?("name:#{I18n.locale}")
 
       if object.tags.include? "name:#{locale}"
         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 +50,10 @@ 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)
@@ -63,12 +65,19 @@ 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)
       link_to h(value), url, :title => t("browse.tag_details.telephone_link", :phone_number => value)
+    elsif colour_value = colour_preview(key, value)
+      content_tag(:span, "", :class => "colour-preview-box", :style => "background-color:#{colour_value}", :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value
     else
       linkify h(value)
     end
@@ -88,7 +97,7 @@ 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
@@ -103,10 +112,10 @@ module BrowseHelper
     # the correct page.
     lookup_us = lookup.tr(" ", "_")
 
-    if page = WIKI_PAGES[locale][type][lookup_us] rescue nil
-      url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
-    elsif page = WIKI_PAGES["en"][type][lookup_us] rescue nil
-      url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+    if page = WIKI_PAGES.dig(locale, type, lookup_us)
+      url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
+    elsif page = WIKI_PAGES.dig("en", type, lookup_us)
+      url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
     end
 
     url
@@ -119,17 +128,17 @@ 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
+               Regexp.last_match(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
+      lang = Regexp.last_match(1)
     else
       # Not a wikipedia key!
       return nil
@@ -138,26 +147,35 @@ module BrowseHelper
     if value =~ /^([^#]*)#(.*)/
       # Contains a reference to a section of the wikipedia article
       # Must break it up to correctly build the url
-      value = $1
-      section = "#" + $2
-      encoded_section = "#" + URI.encode($2.gsub(" ", "_")).gsub("%3A", ":").gsub("%", ".")
+      value = Regexp.last_match(1)
+      section = "#" + Regexp.last_match(2)
+      encoded_section = "#" + CGI.escape(Regexp.last_match(2).gsub(/ +/, "_")).tr("%", ".")
     else
       section = ""
       encoded_section = ""
     end
 
     {
-      :url => "http://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
+      :url => "https://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
       :title => value + section
     }
   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]*$/
-      return {
+      return [{
         :url => "//www.wikidata.org/wiki/#{value}?uselang=#{I18n.locale}",
         :title => value
-      }
+      }]
+    # Key has to be one of the accepted wikidata-tags
+    elsif key =~ /(architect|artist|brand|name:etymology|network|operator|subject):wikidata/ &&
+          # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
+          value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
+      # 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
@@ -172,4 +190,16 @@ module BrowseHelper
 
     "tel:#{value_no_whitespace}"
   end
+
+  def colour_preview(key, value)
+    return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
+    # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
+    w3c_colors =
+      %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray
+         darkslategrey darkturquoise darkviolet deeppink deepskyblue dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray lightgrey lightgreen
+         lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange
+         orangered orchid palegoldenrod palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise violet wheat white whitesmoke yellow yellowgreen]
+    return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)
+    value
+  end
 end