-class OldNode < ActiveRecord::Base
- include GeoRecord
- set_table_name 'nodes'
-
- validates_presence_of :user_id, :timestamp
- validates_inclusion_of :visible, :in => [ true, false ]
- validates_numericality_of :latitude, :longitude
+# == Schema Information
+#
+# Table name: nodes
+#
+# node_id :integer not null, primary key
+# latitude :integer not null
+# longitude :integer not null
+# changeset_id :integer not null
+# visible :boolean not null
+# timestamp :datetime not null
+# tile :integer not null
+# version :integer not null, primary key
+# redaction_id :integer
+#
+# Indexes
+#
+# nodes_changeset_id_idx (changeset_id)
+# nodes_tile_idx (tile)
+# nodes_timestamp_idx (timestamp)
+#
+# Foreign Keys
+#
+# nodes_changeset_id_fkey (changeset_id => changesets.id)
+# nodes_redaction_id_fkey (redaction_id => redactions.id)
+#
+
+class OldNode < ActiveRecord::Base
+ include GeoRecord
+ include ConsistencyValidations
+ include ObjectMetadata
+
+ self.table_name = "nodes"
+ self.primary_keys = "node_id", "version"
+
+ # note this needs to be included after the table name changes, or
+ # the queries generated by Redactable will use the wrong table name.
+ include Redactable
+
+ validates :changeset, :presence => true, :associated => true
+ validates :latitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :longitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :timestamp, :presence => true
+ validates :visible, :inclusion => [true, false]
+
validate :validate_position
- belongs_to :user
-
- def validate_position
- errors.add_to_base("Node is not in the world") unless in_world?
- end
+ belongs_to :changeset
+ belongs_to :redaction
+ belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
+
+ has_many :old_tags, :class_name => "OldNodeTag", :foreign_key => [:node_id, :version]
- def in_world?
- return false if self.lat < -90 or self.lat > 90
- return false if self.lon < -180 or self.lon > 180
- return true
+ def validate_position
+ errors.add(:base, "Node is not in the world") unless in_world?
end
def self.from_node(node)
old_node.visible = node.visible
old_node.tags = node.tags
old_node.timestamp = node.timestamp
- old_node.user_id = node.user_id
- old_node.id = node.id
+ old_node.changeset_id = node.changeset_id
+ old_node.node_id = node.id
old_node.version = node.version
- return old_node
+ old_node
end
-
+
def to_xml
doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node()
- return doc
+ doc.root << to_xml_node
+ doc
end
- def to_xml_node
- el1 = XML::Node.new 'node'
- el1['id'] = self.id.to_s
- el1['lat'] = self.lat.to_s
- el1['lon'] = self.lon.to_s
- el1['user'] = self.user.display_name if self.user.data_public?
-
- self.tags.each do |k,v|
- el2 = XML::Node.new('tag')
- el2['k'] = k.to_s
- el2['v'] = v.to_s
- el1 << el2
+ def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
+ el = XML::Node.new "node"
+ el["id"] = node_id.to_s
+
+ add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
+
+ if visible?
+ el["lat"] = lat.to_s
+ el["lon"] = lon.to_s
end
- el1['visible'] = self.visible.to_s
- el1['timestamp'] = self.timestamp.xmlschema
- el1['version'] = self.version.to_s
- return el1
+ add_tags_to_xml_node(el, old_tags)
+
+ el
end
def save_with_dependencies!
save!
- #not sure whats going on here
- clear_aggregation_cache
- clear_association_cache
- #ok from here
- @attributes.update(OldNode.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp]).instance_variable_get('@attributes'))
-
- self.tags.each do |k,v|
+
+ tags.each do |k, v|
tag = OldNodeTag.new
tag.k = k
tag.v = v
- tag.id = self.id
- tag.version = self.version
+ tag.node_id = node_id
+ tag.version = version
tag.save!
end
end
def tags
- unless @tags
- @tags = Hash.new
- OldNodeTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |tag|
- @tags[tag.k] = tag.v
- end
- end
- @tags = Hash.new unless @tags
- @tags
+ @tags ||= Hash[old_tags.collect { |t| [t.k, t.v] }]
+ end
+
+ attr_writer :tags
+
+ def tags_as_hash
+ tags
end
- def tags=(t)
- @tags = t
- end
- def tags_as_hash
- hash = {}
- Tags.split(self.tags) do |k,v|
- hash[k] = v
- end
- hash
- end
-
- # Pretend we're not in any ways
- def ways
- return []
- end
-
- # Pretend we're not in any relations
- def containing_relation_members
- return []
- end
+ # Pretend we're not in any ways
+ def ways
+ []
+ end
+
+ # Pretend we're not in any relations
+ def containing_relation_members
+ []
+ end
+
+ # check whether this element is the latest version - that is,
+ # has the same version as its "current" counterpart.
+ def is_latest_version?
+ current_node.version == version
+ end
end
projects / rails.git / blobdiff