114 lines
2.9 KiB
Ruby
114 lines
2.9 KiB
Ruby
class OldWay < ActiveRecord::Base
|
|
set_table_name 'ways'
|
|
|
|
belongs_to :user
|
|
|
|
def self.from_way(way)
|
|
old_way = OldWay.new
|
|
old_way.visible = way.visible
|
|
old_way.user_id = way.user_id
|
|
old_way.timestamp = way.timestamp
|
|
old_way.id = way.id
|
|
old_way.nds = way.nds
|
|
old_way.tags = way.tags
|
|
return old_way
|
|
end
|
|
|
|
def save_with_dependencies!
|
|
|
|
# dont touch this unless you really have figured out why it's called
|
|
# (Rails doesn't deal well with the old ways table (called 'ways') because
|
|
# it doesn't have a unique key. It knows how to insert and auto_increment
|
|
# id and get it back but we have that and we want to get the 'version' back
|
|
# we could add another column but thats a lot of data. No, set_primary_key
|
|
# doesn't work either.
|
|
save!
|
|
clear_aggregation_cache
|
|
clear_association_cache
|
|
@attributes.update(OldWay.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp]).instance_variable_get('@attributes'))
|
|
|
|
# ok, you can touch from here on
|
|
|
|
self.tags.each do |k,v|
|
|
tag = OldWayTag.new
|
|
tag.k = k
|
|
tag.v = v
|
|
tag.id = self.id
|
|
tag.version = self.version
|
|
tag.save!
|
|
end
|
|
|
|
i = 1
|
|
self.nds.each do |n|
|
|
nd = OldWayNode.new
|
|
nd.id = self.id
|
|
nd.node_id = n
|
|
nd.sequence_id = i
|
|
nd.version = self.version
|
|
nd.save!
|
|
i += 1
|
|
end
|
|
end
|
|
|
|
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
|
|
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
|
|
end
|
|
@tags = Hash.new unless @tags
|
|
@tags
|
|
end
|
|
|
|
def nds=(s)
|
|
@nds = s
|
|
end
|
|
|
|
def tags=(t)
|
|
@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['visible'] = self.visible.to_s
|
|
el1['timestamp'] = self.timestamp.xmlschema
|
|
el1['user'] = self.user.display_name if self.user.data_public?
|
|
|
|
self.old_nodes.each do |nd| # FIXME need to make sure they come back in the right order
|
|
e = XML::Node.new 'nd'
|
|
e['id'] = nd.node_id.to_s
|
|
el1 << e
|
|
end
|
|
|
|
self.old_tags.each do |tag|
|
|
e = XML::Node.new 'tag'
|
|
e['k'] = tag.k
|
|
e['v'] = tag.v
|
|
el1 << e
|
|
end
|
|
return el1
|
|
end
|
|
end
|