1 module BrowseTagsHelper
3 if url = wiki_link("key", key)
4 link_to h(key), url, :title => t("browse.tag_details.wiki_link.key", :key => key)
10 def format_value(key, value)
11 if wp = wikipedia_link(key, value)
12 link_to h(wp[:title]), wp[:url], :title => t("browse.tag_details.wikipedia_link", :page => wp[:title])
13 elsif wdt = wikidata_links(key, value)
14 # IMPORTANT: Note that wikidata_links() returns an array of hashes, unlike for example wikipedia_link(),
15 # which just returns one such hash.
17 link_to(w[:title], w[:url], :title => t("browse.tag_details.wikidata_link", :page => w[:title].strip))
20 elsif wmc = wikimedia_commons_link(key, value)
21 link_to h(wmc[:title]), wmc[:url], :title => t("browse.tag_details.wikimedia_commons_link", :page => wmc[:title])
22 elsif url = wiki_link("tag", "#{key}=#{value}")
23 link_to h(value), url, :title => t("browse.tag_details.wiki_link.tag", :key => key, :value => value)
24 elsif email = email_link(key, value)
25 link_to(h(email[:email]), email[:url], :title => t("browse.tag_details.email_link", :email => email[:email]))
26 elsif phones = telephone_links(key, value)
27 # similarly, telephone_links() returns an array of phone numbers
28 phones = phones.map do |p|
29 link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
31 safe_join(phones, "; ")
32 elsif colour_value = colour_preview(key, value)
33 tag.span("", :class => "colour-preview-box", :"data-colour" => colour_value, :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value
41 def wiki_link(type, lookup)
42 locale = I18n.locale.to_s
44 # update-wiki-pages does s/ /_/g on keys before saving them, we
45 # have to replace spaces with underscore so we'll link
46 # e.g. `source=Isle of Man Government aerial imagery (2001)' to
48 lookup_us = lookup.tr(" ", "_")
50 if page = WIKI_PAGES.dig(locale, type, lookup_us)
51 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
52 elsif page = WIKI_PAGES.dig("en", type, lookup_us)
53 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
59 def wikipedia_link(key, value)
60 # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
61 return nil if %r{^https?://}.match?(value)
65 # This regex should match Wikipedia language codes, everything
66 # from de to zh-classical
67 lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
68 # Value is <lang>:<title> so split it up
69 # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
72 # Value is <title> so default to English Wikipedia
75 when /^wikipedia:(\S+)$/
76 # Language is in the key, so assume value is the title
77 lang = Regexp.last_match(1)
79 # Not a wikipedia key!
83 if value =~ /^([^#]*)#(.*)/
84 # Contains a reference to a section of the wikipedia article
85 # Must break it up to correctly build the url
86 value = Regexp.last_match(1)
87 section = "#" + Regexp.last_match(2)
88 encoded_section = "#" + CGI.escape(Regexp.last_match(2).gsub(/ +/, "_")).tr("%", ".")
95 :url => "https://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
96 :title => value + section
100 def wikidata_links(key, value)
101 # The simple wikidata-tag (this is limited to only one value)
102 if key == "wikidata" && value =~ /^[Qq][1-9][0-9]*$/
104 :url => "//www.wikidata.org/entity/#{value}?uselang=#{I18n.locale}",
107 # Key has to be one of the accepted wikidata-tags
108 elsif key =~ /(architect|artist|brand|name:etymology|network|operator|subject):wikidata/ &&
109 # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
110 value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
111 # Splitting at every semicolon to get a separate hash for each wikidata-ID
112 return value.split(";").map do |id|
113 { :title => id, :url => "//www.wikidata.org/entity/#{id.strip}?uselang=#{I18n.locale}" }
119 def wikimedia_commons_link(key, value)
120 if key == "wikimedia_commons" && value =~ /^(?:file|category):/i
122 :url => "//commons.wikimedia.org/wiki/#{value}?uselang=#{I18n.locale}",
129 def email_link(_key, value)
130 # Does the value look like an email? eg "someone@domain.tld"
132 # Uses Ruby built-in regexp to validate email.
133 # This will not catch certain valid emails containing comments, whitespace characters,
134 # and quoted strings.
135 # (see: https://github.com/ruby/ruby/blob/master/lib/uri/mailto.rb)
137 # remove any leading and trailing whitespace
140 if email.match?(URI::MailTo::EMAIL_REGEXP)
141 # add 'mailto:'' prefix
142 return { :email => email, :url => "mailto:#{email}" }
148 def telephone_links(_key, value)
149 # Does it look like a global phone number? eg "+1 (234) 567-8901 "
150 # or a list of alternate numbers separated by ;
152 # Per RFC 3966, this accepts the visual separators -.() within the number,
153 # which are displayed and included in the tel: URL, and accepts whitespace,
154 # which is displayed but not included in the tel: URL.
155 # (see: http://tools.ietf.org/html/rfc3966#section-5.1.1)
157 # Also accepting / as a visual separator although not given in RFC 3966,
158 # because it is used as a visual separator in OSM data in some countries.
159 if value.match?(%r{^\s*\+[\d\s()/.-]{6,25}\s*(;\s*\+[\d\s()/.-]{6,25}\s*)*$})
160 return value.split(";").map do |phone_number|
161 # for display, remove leading and trailing whitespace
162 phone_number = phone_number.strip
164 # for tel: URL, remove all whitespace
165 # "+1 (234) 567-8901 " -> "tel:+1(234)567-8901"
166 phone_no_whitespace = phone_number.gsub(/\s+/, "")
167 { :phone_number => phone_number, :url => "tel:#{phone_no_whitespace}" }
173 def colour_preview(key, value)
174 return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
176 # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
178 %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate
179 coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen
180 darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray darkslategrey darkturquoise darkviolet deeppink deepskyblue
181 dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew
182 hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray
183 lightgrey lightgreen lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen
184 linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise
185 mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange orangered orchid palegoldenrod
186 palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon
187 sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise
188 violet wheat white whitesmoke yellow yellowgreen]
189 return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)