1 files changed, 107 insertions, 0 deletions
diff --git a/web/lib/ui/keys_tags.rb b/web/lib/ui/keys_tags.rb
new file mode 100644
index 0000000..4d53e85
--- /dev/null
+++ b/web/lib/ui/keys_tags.rb
@@ -0,0 +1,107 @@
+# web/lib/ui/keys_tags.rb
+class Taginfo < Sinatra::Base
+
+    get %r{^/keys/(.*)} do |key|
+        if params[:key].nil?
+            @key = key
+        else
+            @key = params[:key]
+        end
+
+        @key_html = escape_html(@key)
+        @key_uri  = escape(@key)
+        @key_json = @key.to_json
+        @key_pp   = pp_key(@key)
+
+        @title = [@key_html, t.osm.keys]
+        section :keys
+
+        @filter_type = get_filter()
+        @sel = Hash.new('')
+        @sel[@filter_type] = ' selected="selected"'
+
+        @count_all_values = @db.select("SELECT count_#{@filter_type} FROM db.keys").condition('key = ?', @key).get_first_value().to_i
+
+        @desc = h(@db.select("SELECT description FROM wiki.wikipages WHERE lang=? AND key=? AND value IS NULL", r18n.locale.code, @key).get_first_value())
+        @desc = h(@db.select("SELECT description FROM wiki.wikipages WHERE lang='en' AND key=? AND value IS NULL", @key).get_first_value()) if @desc == ''
+        @desc = "<span class='empty'>#{ t.pages.key.no_description_in_wiki }</span>" if @desc == ''
+
+        @prevalent_values = @db.select("SELECT value, count_#{@filter_type} AS count FROM tags").
+            condition('key=?', @key).
+            condition('count > ?', @count_all_values * 0.02).
+            order_by(:count, 'DESC').
+            execute().map{ |row| [{ 'value' => row['value'], 'count' => row['count'].to_i }] }
+
+        # add "(other)" label for the rest of the values
+        sum = @prevalent_values.inject(0){ |sum, x| sum += x[0]['count'] }
+        if sum < @count_all_values
+            @prevalent_values << [{ 'value' => '(other)', 'count' => @count_all_values - sum }]
+        end
+
+        @wiki_count = @db.count('wiki.wikipages').condition('value IS NULL').condition('key=?', @key).get_first_value().to_i
+        @user_count = @db.select('SELECT users_all FROM db.keys').condition('key=?', @key).get_first_value().to_i
+        
+        (@merkaartor_type, @merkaartor_link, @merkaartor_selector) = @db.select('SELECT tag_type, link, selector FROM merkaartor.keys').condition('key=?', @key).get_columns(:tag_type, :link, :selector)
+        @merkaartor_images = [:node, :way, :area, :relation].map{ |type|
+            name = type.to_s.capitalize
+            '<img src="/img/types/' + (@merkaartor_selector =~ /Type is #{name}/ ? type.to_s : 'none') + '.16.png" alt="' + name + '" title="' + name + '"/>'
+        }.join('&nbsp;')
+
+        @merkaartor_values = @db.select('SELECT value FROM merkaartor.tags').condition('key=?', @key).order_by(:value).execute().map{ |row| row['value'] }
+
+        @merkaartor_desc = @db.select('SELECT lang, description FROM key_descriptions').condition('key=?', @key).order_by(:lang).execute()
+
+        @img_width  = TaginfoConfig.get('geodistribution.width')  * TaginfoConfig.get('geodistribution.scale_image')
+        @img_height = TaginfoConfig.get('geodistribution.height') * TaginfoConfig.get('geodistribution.scale_image')
+
+        erb :key
+    end
+
+    #-------------------------------------
+
+    get %r{^/tags/(.*)} do |tag|
+        if tag.match(/=/)
+            kv = tag.split('=', 2)
+        else
+            kv = [ tag, '' ]
+        end
+        if params[:key].nil?
+            @key = kv[0]
+        else
+            @key = params[:key]
+        end
+        if params[:value].nil?
+            @value = kv[1]
+        else
+            @value = params[:value]
+        end
+        @tag = @key + '=' + @value
+
+        @key_html = escape_html(@key)
+        @key_uri  = escape(@key)
+        @key_json = @key.to_json
+        @key_pp   = pp_key(@key)
+
+        @value_html = escape_html(@value)
+        @value_uri  = escape(@value)
+        @value_json = @value.to_json
+        @value_pp   = pp_value(@value)
+
+        @title = [@key_html + '=' + @value_html, t.taginfo.tags]
+        section :tags
+
+        @filter_type = get_filter()
+        @sel = Hash.new('')
+        @sel[@filter_type] = ' selected="selected"'
+
+        @wiki_count = @db.count('wiki.wikipages').condition('value=?', @value).condition('key=?', @key).get_first_value().to_i
+        @count_all = @db.select('SELECT count_all FROM db.tags').condition('key = ? AND value = ?', @key, @value).get_first_value().to_i
+
+        @desc = h(@db.select("SELECT description FROM wiki.wikipages WHERE lang=? AND key=? AND value=?", r18n.locale.code, @key, @value).get_first_value())
+        @desc = h(@db.select("SELECT description FROM wiki.wikipages WHERE lang='en' AND key=? AND value=?", @key, @value).get_first_value()) if @desc == ''
+        @desc = "<span class='empty'>#{ t.pages.tag.no_description_in_wiki }</span>" if @desc == ''
+
+        erb :tag
+    end
+
+end