X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c8ee1351049ef1bb4d7b50d071b2a96154266d1d..efa37f6a837bb89b21ea3d29496fdd8135d05487:/app/helpers/browse_helper.rb

diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
index 34302a8af..eebe1af8f 100644
--- a/app/helpers/browse_helper.rb
+++ b/app/helpers/browse_helper.rb
@@ -1,5 +1,191 @@
+require "cgi"
+
 module BrowseHelper
-  def link_to_page(page, page_param)
-    return link_to(page, page_param => page)
+  def printable_name(object, version = false)
+    id = if object.id.is_a?(Array)
+           object.id[0]
+         else
+           object.id
+         end
+    name = t "printable_name.with_id", :id => id.to_s
+    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
+
+      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
+
+    name
+  end
+
+  def link_class(type, object)
+    classes = [type]
+
+    if object.redacted?
+      classes << "deleted"
+    else
+      classes += icon_tags(object).flatten.map { |t| h(t) }
+      classes << "deleted" unless object.visible?
+    end
+
+    classes.join(" ")
+  end
+
+  def link_title(object)
+    if object.redacted?
+      ""
+    else
+      h(icon_tags(object).map { |k, v| k + "=" + v }.to_sentence)
+    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)
+    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 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)
+    else
+      linkify h(value)
+    end
+  end
+
+  def type_and_paginated_count(type, pages)
+    if pages.page_count == 1
+      t "browse.changeset.#{type}",
+        :count => pages.item_count
+    else
+      t "browse.changeset.#{type}_paginated",
+        :x => pages.current_page.first_item,
+        :y => pages.current_page.last_item,
+        :count => pages.item_count
+    end
+  end
+
+  private
+
+  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
+  end
+
+  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 value =~ %r{^https?://}
+
+    if key == "wikipedia"
+      # This regex should match Wikipedia language codes, everything
+      # from de to zh-classical
+      lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
+               # Value is <lang>:<title> so split it up
+               # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
+               Regexp.last_match(1)
+             else
+               # Value is <title> so default to English Wikipedia
+               "en"
+             end
+    elsif key =~ /^wikipedia:(\S+)$/
+      # 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 telephone_link(_key, value)
+    # does it look like a phone number? eg "+1 (234) 567-8901 " ?
+    return nil unless value =~ %r{^\s*\+[\d\s\(\)/\.-]{6,25}\s*$}
+
+    # remove all whitespace instead of encoding it http://tools.ietf.org/html/rfc3966#section-5.1.1
+    # "+1 (234) 567-8901 " -> "+1(234)567-8901"
+    value_no_whitespace = value.gsub(/\s+/, "")
+
+    "tel:#{value_no_whitespace}"
   end
 end