-class Node < ActiveRecord::Base
+class Node < GeoRecord
require 'xml/libxml'
+
set_table_name 'current_nodes'
validates_presence_of :user_id, :timestamp
validate :validate_position
has_many :old_nodes, :foreign_key => :id
+ has_many :way_nodes
belongs_to :user
- before_save :update_tile
-
- def self.find_by_area(minlat, minlon, maxlat, maxlon, options)
- self.with_scope(:find => {:conditions => OSM.sql_for_area(minlat, minlon, maxlat, maxlon)}) do
- return self.find(:all, options)
- end
- end
-
- def update_tile
- self.tile = QuadTile.tile_for_point(lat, lon)
- end
-
- def lat=(l)
- self.latitude = (l * 10000000).round
- end
-
- def lon=(l)
- self.longitude = (l * 10000000).round
- end
-
- def lat
- return self.latitude.to_f / 10000000
- end
-
- def lon
- return self.longitude.to_f / 10000000
- end
-
def validate_position
errors.add_to_base("Node is not in the world") unless in_world?
end
tags << [tag['k'],tag['v']]
end
- tags = tags.collect { |k,v| "#{k}=#{v}" }.join(';')
- tags = '' if tags.nil?
-
- node.tags = tags
+ node.tags = Tags.join(tags)
end
rescue
node = nil
el1['user'] = user_display_name_cache[self.user_id] unless user_display_name_cache[self.user_id].nil?
- Node.split_tags(el1, self.tags)
+ Tags.split(self.tags) do |k,v|
+ el2 = XML::Node.new('tag')
+ el2['k'] = k.to_s
+ el2['v'] = v.to_s
+ el1 << el2
+ end
+
el1['visible'] = self.visible.to_s
el1['timestamp'] = self.timestamp.xmlschema
return el1
end
- def self.split_tags(el, tags)
- tags.split(';').each do |tag|
- parts = tag.split('=')
- key = ''
- val = ''
- key = parts[0].strip unless parts[0].nil?
- val = parts[1].strip unless parts[1].nil?
- if key != '' && val != ''
- el2 = XML::Node.new('tag')
- el2['k'] = key.to_s
- el2['v'] = val.to_s
- el << el2
- end
+ def tags_as_hash
+ hash = {}
+ Tags.split(self.tags) do |k,v|
+ hash[k] = v
end
+ hash
end
+
end