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 url = wiki_link("tag", "#{key}=#{value}")
21 link_to h(value), url, :title => t("browse.tag_details.wiki_link.tag", :key => key, :value => value)
22 elsif phones = telephone_links(key, value)
23 # similarly, telephone_links() returns an array of phone numbers
24 phones = phones.map do |p|
25 link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
27 safe_join(phones, "; ")
28 elsif colour_value = colour_preview(key, value)
29 content_tag(:span, "", :class => "colour-preview-box", :"data-colour" => colour_value, :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value
37 def wiki_link(type, lookup)
38 locale = I18n.locale.to_s
40 # update-wiki-pages does s/ /_/g on keys before saving them, we
41 # have to replace spaces with underscore so we'll link
42 # e.g. `source=Isle of Man Government aerial imagery (2001)' to
44 lookup_us = lookup.tr(" ", "_")
46 if page = WIKI_PAGES.dig(locale, type, lookup_us)
47 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
48 elsif page = WIKI_PAGES.dig("en", type, lookup_us)
49 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
55 def wikipedia_link(key, value)
56 # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
57 return nil if value =~ %r{^https?://}
60 # This regex should match Wikipedia language codes, everything
61 # from de to zh-classical
62 lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
63 # Value is <lang>:<title> so split it up
64 # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
67 # Value is <title> so default to English Wikipedia
70 elsif key =~ /^wikipedia:(\S+)$/
71 # Language is in the key, so assume value is the title
72 lang = Regexp.last_match(1)
74 # Not a wikipedia key!
78 if value =~ /^([^#]*)#(.*)/
79 # Contains a reference to a section of the wikipedia article
80 # Must break it up to correctly build the url
81 value = Regexp.last_match(1)
82 section = "#" + Regexp.last_match(2)
83 encoded_section = "#" + CGI.escape(Regexp.last_match(2).gsub(/ +/, "_")).tr("%", ".")
90 :url => "https://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
91 :title => value + section
95 def wikidata_links(key, value)
96 # The simple wikidata-tag (this is limited to only one value)
97 if key == "wikidata" && value =~ /^[Qq][1-9][0-9]*$/
99 :url => "//www.wikidata.org/entity/#{value}?uselang=#{I18n.locale}",
102 # Key has to be one of the accepted wikidata-tags
103 elsif key =~ /(architect|artist|brand|name:etymology|network|operator|subject):wikidata/ &&
104 # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
105 value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
106 # Splitting at every semicolon to get a separate hash for each wikidata-ID
107 return value.split(";").map do |id|
108 { :title => id, :url => "//www.wikidata.org/entity/#{id.strip}?uselang=#{I18n.locale}" }
114 def telephone_links(_key, value)
115 # Does it look like a global phone number? eg "+1 (234) 567-8901 "
116 # or a list of alternate numbers separated by ;
118 # Per RFC 3966, this accepts the visual separators -.() within the number,
119 # which are displayed and included in the tel: URL, and accepts whitespace,
120 # which is displayed but not included in the tel: URL.
121 # (see: http://tools.ietf.org/html/rfc3966#section-5.1.1)
123 # Also accepting / as a visual separator although not given in RFC 3966,
124 # because it is used as a visual separator in OSM data in some countries.
125 if value.match?(%r{^\s*\+[\d\s\(\)/\.-]{6,25}\s*(;\s*\+[\d\s\(\)/\.-]{6,25}\s*)*$})
126 return value.split(";").map do |phone_number|
127 # for display, remove leading and trailing whitespace
128 phone_number = phone_number.strip
130 # for tel: URL, remove all whitespace
131 # "+1 (234) 567-8901 " -> "tel:+1(234)567-8901"
132 phone_no_whitespace = phone_number.gsub(/\s+/, "")
133 { :phone_number => phone_number, :url => "tel:#{phone_no_whitespace}" }
139 def colour_preview(key, value)
140 return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
142 # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
144 %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate
145 coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen
146 darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray darkslategrey darkturquoise darkviolet deeppink deepskyblue
147 dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew
148 hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray
149 lightgrey lightgreen lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen
150 linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise
151 mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange orangered orchid palegoldenrod
152 palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon
153 sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise
154 violet wheat white whitesmoke yellow yellowgreen]
155 return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)