include GeoRecord
include ConsistencyValidations
+ include NotRedactable
- set_table_name 'current_nodes'
+ self.table_name = "current_nodes"
belongs_to :changeset
- has_many :old_nodes, :foreign_key => :id
+ 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) }
+
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position
- errors.add_to_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 => APP_CONFIG['max_number_of_nodes']+1)
+ errors.add(:base, "Node is not in the world") unless in_world?
end
# Read in xml as text and return it's Node object representation
doc.find('//osm/node').each do |pt|
return Node.from_xml_node(pt, create)
end
+ raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/node element.")
rescue LibXML::XML::Error, ArgumentError => ex
raise OSM::APIBadXMLError.new("node", xml, ex.message)
end
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
- raise OSM::APIBadXMLError.new("node", pt, "changeset id missing") if pt['changeset'].nil?
+ 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
raise OSM::APIBadUserInput.new("The node is outside this world") unless node.in_world?
node.version = create ? 0 : pt['version'].to_i
unless create
- if pt['id'] != '0'
- node.id = pt['id'].to_i
- end
+ raise OSM::APIBadXMLError.new("node", pt, "ID is required when updating.") if pt['id'].nil?
+ node.id = pt['id'].to_i
+ # .to_i will return 0 if there is no number that can be parsed.
+ # We want to make sure that there is no id with zero anyway
+ raise OSM::APIBadUserInput.new("ID of node cannot be zero when updating.") if node.id == 0
end
- # visible if it says it is, or as the default if the attribute
- # is missing.
- # Don't need to set the visibility, when it is set explicitly in the create/update/delete
- #node.visible = pt['visible'].nil? or pt['visible'] == 'true'
-
# We don't care about the time, as it is explicitly set on create/update/delete
+ # We don't care about the visibility as it is implicit based on the action
+ # and set manually before the actual delete
+ node.visible = true
- tags = []
+ # 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?
node.add_tag_key_val(tag['k'],tag['v'])
end
# 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
# provide repeatable reads for the used-by checks. this means it
# shouldn't be possible to get race conditions.
Node.transaction do
+ self.lock!
check_consistency(self, new_node, user)
- way = WayNode.find(:first, :joins => :way,
- :conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ])
- raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by way #{way.way.id}.") unless way.nil?
+ ways = Way.joins(:way_nodes).where(:visible => true, :current_way_nodes => { :node_id => id }).order(:id)
+ raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by ways #{ways.collect { |w| w.id }.join(",")}.") unless ways.empty?
- rel = RelationMember.find(:first, :joins => :relation,
- :conditions => [ "visible = ? AND member_type='Node' and member_id=? ", true, self.id])
- raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by relation #{rel.relation.id}.") unless rel.nil?
+ rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Node", :member_id => id }).order(:id)
+ raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by relations #{rels.collect { |r| r.id }.join(",")}.") unless rels.empty?
self.changeset_id = new_node.changeset_id
+ self.tags = {}
self.visible = false
# update the changeset with the deleted position
end
def update_from(new_node, user)
- check_consistency(self, new_node, user)
-
- # update changeset first
- self.changeset_id = new_node.changeset_id
- self.changeset = new_node.changeset
-
- # update changeset bbox with *old* position first
- changeset.update_bbox!(bbox);
-
- # FIXME logic needs to be double checked
- self.latitude = new_node.latitude
- self.longitude = new_node.longitude
- self.tags = new_node.tags
- self.visible = true
-
- # update changeset bbox with *new* position
- changeset.update_bbox!(bbox);
-
- save_with_history!
+ Node.transaction do
+ self.lock!
+ check_consistency(self, new_node, user)
+
+ # update changeset first
+ self.changeset_id = new_node.changeset_id
+ self.changeset = new_node.changeset
+
+ # update changeset bbox with *old* position first
+ changeset.update_bbox!(bbox);
+
+ # FIXME logic needs to be double checked
+ self.latitude = new_node.latitude
+ self.longitude = new_node.longitude
+ self.tags = new_node.tags
+ self.visible = true
+
+ # update changeset bbox with *new* position
+ changeset.update_bbox!(bbox);
+
+ save_with_history!
+ end
end
def create_with_history(user)
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 self.visible?
+ el1['lat'] = self.lat.to_s
+ el1['lon'] = self.lon.to_s
+ end
+
if changeset_cache.key?(self.changeset_id)
# use the cache if available
else
# 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
projects / rails.git / blobdiff