/app/helpers/browse_tags_helper.rb
Ruby | 193 lines | 129 code | 22 blank | 42 comment | 15 complexity | 1cc029e73632ebc9a2ae433ca975e17d MD5 | raw file
- module BrowseTagsHelper
- 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)
- else
- h(key)
- end
- end
- 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_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 wmc = wikimedia_commons_link(key, value)
- link_to h(wmc[:title]), wmc[:url], :title => t("browse.tag_details.wikimedia_commons_link", :page => wmc[:title])
- 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 email = email_link(key, value)
- link_to(h(email[:email]), email[:url], :title => t("browse.tag_details.email_link", :email => email[:email]))
- elsif phones = telephone_links(key, value)
- # similarly, telephone_links() returns an array of phone numbers
- phones = phones.map do |p|
- link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
- end
- safe_join(phones, "; ")
- elsif colour_value = colour_preview(key, value)
- tag.span("", :class => "colour-preview-box", :"data-colour" => colour_value, :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value
- else
- linkify h(value)
- end
- end
- private
- def wiki_link(type, lookup)
- locale = I18n.locale.to_s
- # update-wiki-pages does s/ /_/g on keys before saving them, we
- # have to replace spaces with underscore so we'll link
- # e.g. `source=Isle of Man Government aerial imagery (2001)' to
- # the correct page.
- lookup_us = lookup.tr(" ", "_")
- 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
- end
- def wikipedia_link(key, value)
- # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
- return nil if %r{^https?://}.match?(value)
- case key
- when "wikipedia"
- # This regex should match Wikipedia language codes, everything
- # from de to zh-classical
- lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
- # Value is <lang>:<title> so split it up
- # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
- Regexp.last_match(1)
- else
- # Value is <title> so default to English Wikipedia
- "en"
- end
- when /^wikipedia:(\S+)$/
- # Language is in the key, so assume value is the title
- lang = Regexp.last_match(1)
- else
- # Not a wikipedia key!
- return nil
- end
- if value =~ /^([^#]*)#(.*)/
- # Contains a reference to a section of the wikipedia article
- # Must break it up to correctly build the url
- 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 => "https://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
- :title => value + section
- }
- end
- 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]*$/
- return [{
- :url => "//www.wikidata.org/entity/#{value}?uselang=#{I18n.locale}",
- :title => value
- }]
- # Key has to be one of the accepted wikidata-tags
- elsif key =~ /(architect|artist|brand|name:etymology|network|operator|subject):wikidata/ &&
- # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
- value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
- # 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/entity/#{id.strip}?uselang=#{I18n.locale}" }
- end
- end
- nil
- end
- def wikimedia_commons_link(key, value)
- if key == "wikimedia_commons" && value =~ /^(?:file|category):/i
- return {
- :url => "//commons.wikimedia.org/wiki/#{value}?uselang=#{I18n.locale}",
- :title => value
- }
- end
- nil
- end
- def email_link(_key, value)
- # Does the value look like an email? eg "someone@domain.tld"
- # Uses Ruby built-in regexp to validate email.
- # This will not catch certain valid emails containing comments, whitespace characters,
- # and quoted strings.
- # (see: https://github.com/ruby/ruby/blob/master/lib/uri/mailto.rb)
- # remove any leading and trailing whitespace
- email = value.strip
- if email.match?(URI::MailTo::EMAIL_REGEXP)
- # add 'mailto:'' prefix
- return { :email => email, :url => "mailto:#{email}" }
- end
- nil
- end
- def telephone_links(_key, value)
- # Does it look like a global phone number? eg "+1 (234) 567-8901 "
- # or a list of alternate numbers separated by ;
- #
- # Per RFC 3966, this accepts the visual separators -.() within the number,
- # which are displayed and included in the tel: URL, and accepts whitespace,
- # which is displayed but not included in the tel: URL.
- # (see: http://tools.ietf.org/html/rfc3966#section-5.1.1)
- #
- # Also accepting / as a visual separator although not given in RFC 3966,
- # because it is used as a visual separator in OSM data in some countries.
- if value.match?(%r{^\s*\+[\d\s()/.-]{6,25}\s*(;\s*\+[\d\s()/.-]{6,25}\s*)*$})
- return value.split(";").map do |phone_number|
- # for display, remove leading and trailing whitespace
- phone_number = phone_number.strip
- # for tel: URL, remove all whitespace
- # "+1 (234) 567-8901 " -> "tel:+1(234)567-8901"
- phone_no_whitespace = phone_number.gsub(/\s+/, "")
- { :phone_number => phone_number, :url => "tel:#{phone_no_whitespace}" }
- end
- end
- nil
- end
- def colour_preview(key, value)
- return nil unless key =~ /^(?>.+:)?colour$/ && !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