1 module BrowseTagsHelper
2 # https://wiki.openstreetmap.org/wiki/Key:wikipedia#Secondary_Wikipedia_links
3 # https://wiki.openstreetmap.org/wiki/Key:wikidata#Secondary_Wikidata_links
4 SECONDARY_WIKI_PREFIXES = "architect|artist|brand|buried|flag|genus|manufacturer|model|name:etymology|network|operator|species|subject".freeze
7 if url = wiki_link("key", key)
8 link_to h(key), url, :title => t("browse.tag_details.wiki_link.key", :key => key)
14 def format_value(key, value)
15 if wp = wikipedia_link(key, value)
16 link_to h(wp[:title]), wp[:url], :title => t("browse.tag_details.wikipedia_link", :page => wp[:title])
17 elsif wdt = wikidata_links(key, value)
18 # IMPORTANT: Note that wikidata_links() returns an array of hashes, unlike for example wikipedia_link(),
19 # which just returns one such hash.
21 link_to(w[:title], w[:url], :title => t("browse.tag_details.wikidata_link", :page => w[:title].strip))
24 elsif wmc = wikimedia_commons_link(key, value)
25 link_to h(wmc[:title]), wmc[:url], :title => t("browse.tag_details.wikimedia_commons_link", :page => wmc[:title])
26 elsif url = wiki_link("tag", "#{key}=#{value}")
27 link_to h(value), url, :title => t("browse.tag_details.wiki_link.tag", :key => key, :value => value)
28 elsif email = email_link(key, value)
29 mail_to(email, :title => t("browse.tag_details.email_link", :email => email))
30 elsif phones = telephone_links(key, value)
31 # similarly, telephone_links() returns an array of phone numbers
32 phones = phones.map do |p|
33 link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
35 safe_join(phones, "; ")
36 elsif colour_value = colour_preview(key, value)
37 svg = tag.svg :width => 14, :height => 14, :class => "float-end m-1" do
38 concat tag.title t("browse.tag_details.colour_preview", :colour_value => colour_value)
39 concat tag.rect :x => 0.5, :y => 0.5, :width => 13, :height => 13, :fill => colour_value, :stroke => "#2222"
43 safe_join(value.split(";", -1).map { |x| linkify(h(x)) }, ";")
49 def wiki_link(type, lookup)
50 locale = I18n.locale.to_s
52 # update-wiki-pages does s/ /_/g on keys before saving them, we
53 # have to replace spaces with underscore so we'll link
54 # e.g. `source=Isle of Man Government aerial imagery (2001)' to
56 lookup_us = lookup.tr(" ", "_")
58 page = WIKI_PAGES.dig(locale, type, lookup_us) ||
59 WIKI_PAGES.dig("en", type, lookup_us)
61 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}" if page
66 def wikipedia_link(key, value)
67 # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
68 return nil if %r{^https?://}.match?(value)
71 when "wikipedia", /^(#{SECONDARY_WIKI_PREFIXES}):wikipedia/o
73 when /^wikipedia:(\S+)$/
74 lang = Regexp.last_match(1)
79 # This regex should match Wikipedia language codes, everything
80 # from de to zh-classical
81 if value =~ /^([a-z-]{2,12}):(.+)$/i
82 lang = Regexp.last_match(1)
83 title_section = Regexp.last_match(2)
88 title, section = title_section.split("#", 2)
89 url = "https://#{lang}.wikipedia.org/wiki/#{wiki_encode(title)}?uselang=#{I18n.locale}"
90 url += "##{wiki_encode(section)}" if section
92 { :url => url, :title => value }
99 def wikidata_links(key, value)
100 # The simple wikidata-tag (this is limited to only one value)
101 if key == "wikidata" && value =~ /^[Qq][1-9][0-9]*$/
103 :url => "//www.wikidata.org/entity/#{value}?uselang=#{I18n.locale}",
106 # Key has to be one of the accepted wikidata-tags
107 elsif key =~ /(#{SECONDARY_WIKI_PREFIXES}):wikidata/o &&
108 # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
109 value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
110 # Splitting at every semicolon to get a separate hash for each wikidata-ID
111 return value.split(";").map do |id|
112 { :title => id, :url => "//www.wikidata.org/entity/#{id.strip}?uselang=#{I18n.locale}" }
118 def wikimedia_commons_link(key, value)
119 if key == "wikimedia_commons" && value =~ /^(file|category):([^#]+)/i
120 namespace = Regexp.last_match(1)
121 title = Regexp.last_match(2)
123 :url => "//commons.wikimedia.org/wiki/#{namespace}:#{u title}?uselang=#{I18n.locale}",
130 def email_link(key, value)
131 # Avoid converting conditional tags into emails, since EMAIL_REGEXP is quite permissive
132 return nil unless %w[email contact:email].include? key
134 # Does the value look like an email? eg "someone@domain.tld"
136 # Uses Ruby built-in regexp to validate email.
137 # This will not catch certain valid emails containing comments, whitespace characters,
138 # and quoted strings.
139 # (see: https://github.com/ruby/ruby/blob/master/lib/uri/mailto.rb)
141 # remove any leading and trailing whitespace
144 return email if email.match?(URI::MailTo::EMAIL_REGEXP)
149 def telephone_links(_key, value)
150 # Does it look like a global phone number? eg "+1 (234) 567-8901 "
151 # or a list of alternate numbers separated by ;
153 # Per RFC 3966, this accepts the visual separators -.() within the number,
154 # which are displayed and included in the tel: URL, and accepts whitespace,
155 # which is displayed but not included in the tel: URL.
156 # (see: http://tools.ietf.org/html/rfc3966#section-5.1.1)
158 # Also accepting / as a visual separator although not given in RFC 3966,
159 # because it is used as a visual separator in OSM data in some countries.
160 if value.match?(%r{^\s*\+[\d\s()/.-]{6,25}\s*(;\s*\+[\d\s()/.-]{6,25}\s*)*$})
161 return value.split(";").map do |phone_number|
162 # for display, remove leading and trailing whitespace
163 phone_number = phone_number.strip
165 # for tel: URL, remove all whitespace
166 # "+1 (234) 567-8901 " -> "tel:+1(234)567-8901"
167 phone_no_whitespace = phone_number.gsub(/\s+/, "")
168 { :phone_number => phone_number, :url => "tel:#{phone_no_whitespace}" }
174 def colour_preview(key, value)
175 return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
177 # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
179 %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate
180 coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen
181 darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray darkslategrey darkturquoise darkviolet deeppink deepskyblue
182 dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew
183 hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray
184 lightgrey lightgreen lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen
185 linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise
186 mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange orangered orchid palegoldenrod
187 palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon
188 sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise
189 violet wheat white whitesmoke yellow yellowgreen]
190 return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)