belongs_to :user
has_many :changeset_tags, :foreign_key => 'id'
+
+ has_many :nodes
+ has_many :ways
+ has_many :relations
+ has_many :old_nodes
+ has_many :old_ways
+ has_many :old_relations
+
+ validates_presence_of :user_id, :created_at
+ validates_inclusion_of :open, :in => [ true, false ]
+
+ # Use a method like this, so that we can easily change how we
+ # determine whether a changeset is open, without breaking code in at
+ # least 6 controllers
+ def is_open?
+ return open
+ end
def self.from_xml(xml, create=false)
begin
return cs
end
+ def tags_as_hash
+ return tags
+ end
+
def tags
unless @tags
@tags = {}
Changeset.transaction do
# fixme update modified_at time?
+ # FIXME there is no modified_at time, should it be added
self.save!
end
end
end
end
+
+ def to_xml
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node()
+ return doc
+ end
+
+ def to_xml_node(user_display_name_cache = nil)
+ el1 = XML::Node.new 'changeset'
+ el1['id'] = self.id.to_s
+
+ user_display_name_cache = {} if user_display_name_cache.nil?
+
+ if user_display_name_cache and user_display_name_cache.key?(self.user_id)
+ # use the cache if available
+ elsif self.user.data_public?
+ user_display_name_cache[self.user_id] = self.user.display_name
+ else
+ user_display_name_cache[self.user_id] = nil
+ end
+
+ el1['user'] = user_display_name_cache[self.user_id] unless user_display_name_cache[self.user_id].nil?
+
+ self.tags.each do |k,v|
+ el2 = XML::Node.new('tag')
+ el2['k'] = k.to_s
+ el2['v'] = v.to_s
+ el1 << el2
+ end
+
+ el1['created_at'] = self.created_at.xmlschema
+ el1['open'] = self.open.to_s
+
+ # FIXME FIXME FIXME: This does not include changes yet! There is
+ # currently no changeset_id column in the tables as far as I can tell,
+ # so this is just a scaffold to build on, not a complete to_xml
+
+ return el1
+ end
end