class Relation < ActiveRecord::Base
require 'xml/libxml'
+ include ConsistencyValidations
+
set_table_name 'current_relations'
belongs_to :changeset
if user_display_name_cache and user_display_name_cache.key?(self.changeset.user_id)
# use the cache if available
- elsif self.user.data_public?
+ elsif self.changeset.user.data_public?
user_display_name_cache[self.changeset.user_id] = self.changeset.user.display_name
else
user_display_name_cache[self.changeset.user_id] = nil
def add_tag_keyval(k, v)
@tags = Hash.new unless @tags
+
+ # duplicate tags are now forbidden, so we can't allow values
+ # in the hash to be overwritten.
+ raise OSM::APIDuplicateTagsError.new if @tags.include? k
+
@tags[k] = v
end
end
end
- def delete_with_history(user)
+ def delete_with_history!(new_relation, user)
if self.visible
- if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='relation' and member_id=?", self.id ])
+ check_consistency(self, new_relation, user)
+ if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='relation' and member_id=? ", self.id ])
raise OSM::APIPreconditionFailedError.new
else
- #self.user_id = user.id
- # FIXME we need to deal with changeset here, which is probably already dealt with
+ self.changeset_id = new_relation.changeset_id
self.tags = []
self.members = []
self.visible = false
end
def update_from(new_relation, user)
+ check_consistency(self, new_relation, user)
if !new_relation.preconditions_ok?
raise OSM::APIPreconditionFailedError.new
- elsif new_relation.version != version
- raise OSM::APIVersionMismatchError.new(new_relation.version, version)
- elsif new_relation.changeset.user_id != user.id
- raise OSM::APIUserChangesetMismatchError.new
- elsif not new_relation.changeset.open?
- raise OSM::APIChangesetAlreadyClosedError.new
- else
- # FIXME need to deal with changeset etc
- #self.user_id = user.id
- self.changeset = new_relation.changeset
- self.tags = new_relation.tags
- self.members = new_relation.members
- self.visible = true
- save_with_history!
end
+ self.changeset_id = new_relation.changeset_id
+ self.tags = new_relation.tags
+ self.members = new_relation.members
+ self.visible = true
+ save_with_history!
+ end
+
+ def create_with_history(user)
+ check_create_consistency(self, user)
+ if !self.preconditions_ok?
+ raise OSM::APIPreconditionFailedError.new
+ end
+ self.version = 0
+ self.visible = true
+ save_with_history!
end
def preconditions_ok?