include ConsistencyValidations
set_table_name 'ways'
+ set_primary_keys :way_id, :version
belongs_to :changeset
+ has_many :old_nodes, :class_name => 'OldWayNode', :foreign_key => [:way_id, :version]
+ has_many :old_tags, :class_name => 'OldWayTag', :foreign_key => [:way_id, :version]
+
validates_associated :changeset
def self.from_way(way)
old_way.visible = way.visible
old_way.changeset_id = way.changeset_id
old_way.timestamp = way.timestamp
- old_way.id = way.id
+ old_way.way_id = way.id
old_way.version = way.version
old_way.nds = way.nds
old_way.tags = way.tags
save!
clear_aggregation_cache
clear_association_cache
- @attributes.update(OldWay.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp], :order => "version desc").instance_variable_get('@attributes'))
+ @attributes.update(OldWay.where(:way_id => self.way_id, :timestamp => self.timestamp).order("version DESC").first.instance_variable_get('@attributes'))
# ok, you can touch from here on
tag = OldWayTag.new
tag.k = k
tag.v = v
- tag.id = self.id
+ tag.way_id = self.way_id
tag.version = self.version
tag.save!
end
sequence = 1
self.nds.each do |n|
nd = OldWayNode.new
- nd.id = [self.id, self.version, sequence]
+ nd.id = [self.way_id, self.version, sequence]
nd.node_id = n
nd.save!
sequence += 1
def nds
unless @nds
- @nds = Array.new
- OldWayNode.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version], :order => "sequence_id").each do |nd|
- @nds += [nd.node_id]
- end
+ @nds = Array.new
+ OldWayNode.where(:way_id => self.way_id, :version => self.version).order(:sequence_id).each do |nd|
+ @nds += [nd.node_id]
+ end
end
@nds
end
def tags
unless @tags
- @tags = Hash.new
- OldWayTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |tag|
- @tags[tag.k] = tag.v
- end
+ @tags = Hash.new
+ OldWayTag.where(:way_id => self.way_id, :version => self.version).each do |tag|
+ @tags[tag.k] = tag.v
+ end
end
@tags = Hash.new unless @tags
@tags
@tags = t
end
-# has_many :way_nodes, :class_name => 'OldWayNode', :foreign_key => 'id'
-# has_many :way_tags, :class_name => 'OldWayTag', :foreign_key => 'id'
-
- def old_nodes
- OldWayNode.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
- end
-
- def old_tags
- OldWayTag.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])
- end
-
def to_xml_node
el1 = XML::Node.new 'way'
- el1['id'] = self.id.to_s
+ el1['id'] = self.way_id.to_s
el1['visible'] = self.visible.to_s
el1['timestamp'] = self.timestamp.xmlschema
if self.changeset.user.data_public?
# (i.e. is it visible? are we actually reverting to an earlier version?)
def get_nodes_undelete
- points = []
- self.nds.each do |n|
- node=Node.find(n)
- points << [node.lon, node.lat, n, node.version, node.tags_as_hash, node.visible]
+ points = []
+ self.nds.each do |n|
+ node = Node.find(n)
+ points << [node.lon, node.lat, n, node.version, node.tags_as_hash, node.visible]
end
- points
+ points
end
def get_nodes_revert(timestamp)
points=[]
self.nds.each do |n|
- oldnode=OldNode.find(:first, :conditions=>['id=? AND timestamp<=?',n,timestamp], :order=>"timestamp DESC")
- curnode=Node.find(n)
- id=n; reuse=curnode.visible
- if oldnode.lat!=curnode.lat or oldnode.lon!=curnode.lon or oldnode.tags!=curnode.tags then
+ oldnode = OldNode.where('node_id = ? AND timestamp <= ?', n, timestamp).order("timestamp DESC").first
+ curnode = Node.find(n)
+ id = n; reuse = curnode.visible
+ if oldnode.lat != curnode.lat or oldnode.lon != curnode.lon or oldnode.tags != curnode.tags then
# node has changed: if it's in other ways, give it a new id
- if curnode.ways-[self.id] then id=-1; reuse=false end
+ if curnode.ways-[self.way_id] then id=-1; reuse=false end
end
points << [oldnode.lon, oldnode.lat, id, curnode.version, oldnode.tags_as_hash, reuse]
end