include GeoRecord
include ConsistencyValidations
+ include NotRedactable
+ include ObjectMetadata
- set_table_name 'current_nodes'
+ self.table_name = "current_nodes"
belongs_to :changeset
- has_many :old_nodes, :foreign_key => :id, :order => :version
+ has_many :old_nodes, -> { order(:version) }
has_many :way_nodes
has_many :ways, :through => :way_nodes
- has_many :node_tags, :foreign_key => :id
+ has_many :node_tags
has_many :old_way_nodes
has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way
validate :validate_position
validates_associated :changeset
- scope :visible, where(:visible => true)
- scope :invisible, where(:visible => false)
+ scope :visible, -> { where(:visible => true) }
+ scope :invisible, -> { where(:visible => false) }
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position
errors.add(:base, "Node is not in the world") unless in_world?
end
- #
- # Search for nodes matching tags within bounding_box
- #
- # Also adheres to limitations such as within max_number_of_nodes
- #
- def self.search(bounding_box, tags = {})
- min_lon, min_lat, max_lon, max_lat = *bounding_box
- # @fixme a bit of a hack to search for only visible nodes
- # couldn't think of another to add to tags condition
- #conditions_hash = tags.merge({ 'visible' => 1 })
-
- # using named placeholders http://www.robbyonrails.com/articles/2005/10/21/using-named-placeholders-in-ruby
- #keys = []
- #values = {}
-
- #conditions_hash.each do |key,value|
- # keys << "#{key} = :#{key}"
- # values[key.to_sym] = value
- #end
- #conditions = keys.join(' AND ')
-
- find_by_area(min_lat, min_lon, max_lat, max_lon,
- :conditions => {:visible => true},
- :limit => MAX_NUMBER_OF_NODES+1)
- end
-
# Read in xml as text and return it's Node object representation
def self.from_xml(xml, create=false)
begin
raise OSM::APIBadXMLError.new("node", pt, "lat missing") if pt['lat'].nil?
raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt['lon'].nil?
- node.lat = pt['lat'].to_f
- node.lon = pt['lon'].to_f
+ node.lat = OSM.parse_float(pt['lat'], OSM::APIBadXMLError, "node", pt, "lat not a number")
+ node.lon = OSM.parse_float(pt['lon'], OSM::APIBadXMLError, "node", pt, "lon not a number")
raise OSM::APIBadXMLError.new("node", pt, "Changeset id is missing") if pt['changeset'].nil?
node.changeset_id = pt['changeset'].to_i
# and set manually before the actual delete
node.visible = true
+ # Start with no tags
+ node.tags = Hash.new
+
+ # Add in any tags from the XML
pt.find('tag').each do |tag|
raise OSM::APIBadXMLError.new("node", pt, "tag is missing key") if tag['k'].nil?
raise OSM::APIBadXMLError.new("node", pt, "tag is missing value") if tag['v'].nil?
# the bounding box around a node, which is used for determining the changeset's
# bounding box
def bbox
- [ longitude, latitude, longitude, latitude ]
+ BoundingBox.new(longitude, latitude, longitude, latitude)
end
# Should probably be renamed delete_from to come in line with update
end
def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
- el1 = XML::Node.new 'node'
- el1['id'] = self.id.to_s
- el1['lat'] = self.lat.to_s
- el1['lon'] = self.lon.to_s
- el1['version'] = self.version.to_s
- el1['changeset'] = self.changeset_id.to_s
-
- if changeset_cache.key?(self.changeset_id)
- # use the cache if available
- else
- changeset_cache[self.changeset_id] = self.changeset.user_id
- end
-
- user_id = changeset_cache[self.changeset_id]
+ el = XML::Node.new 'node'
+ el['id'] = self.id.to_s
- if user_display_name_cache.key?(user_id)
- # use the cache if available
- elsif self.changeset.user.data_public?
- user_display_name_cache[user_id] = self.changeset.user.display_name
- else
- user_display_name_cache[user_id] = nil
- end
+ add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
- if not user_display_name_cache[user_id].nil?
- el1['user'] = user_display_name_cache[user_id]
- el1['uid'] = user_id.to_s
+ if self.visible?
+ el['lat'] = self.lat.to_s
+ el['lon'] = self.lon.to_s
end
- self.tags.each do |k,v|
- el2 = XML::Node.new('tag')
- el2['k'] = k.to_s
- el2['v'] = v.to_s
- el1 << el2
- end
+ add_tags_to_xml_node(el, self.node_tags)
- el1['visible'] = self.visible.to_s
- el1['timestamp'] = self.timestamp.xmlschema
- return el1
+ return el
end
def tags_as_hash
# Create a NodeTag
tags = self.tags
- NodeTag.delete_all(['id = ?', self.id])
+ NodeTag.delete_all(:node_id => self.id)
tags.each do |k,v|
tag = NodeTag.new
+ tag.node_id = self.id
tag.k = k
tag.v = v
- tag.id = self.id
tag.save!
end