1 module ConsistencyValidations
2 extend ActiveSupport::Concern
4 # Generic checks that are run for the updates and deletes of
5 # node, ways and relations. This code is here to avoid duplication,
6 # and allow the extension of the checks without having to modify the
7 # code in 6 places for all the updates and deletes. Some of these tests are
8 # needed for creates, but are currently not run :-(
9 # This will throw an exception if there is an inconsistency
10 def check_consistency(old, new, user)
11 if new.id != old.id || new.id.nil? || old.id.nil?
12 raise OSM::APIPreconditionFailedError, "New and old IDs don't match on #{new.class}. #{new.id} != #{old.id}."
13 elsif new.version != old.version
14 raise OSM::APIVersionMismatchError.new(new.id, new.class.to_s, new.version, old.version)
15 elsif new.changeset.nil?
16 raise OSM::APIChangesetMissingError
17 elsif new.changeset.user_id != user.id
18 raise OSM::APIUserChangesetMismatchError
19 elsif !new.changeset.is_open?
20 raise OSM::APIChangesetAlreadyClosedError, new.changeset
24 # This is similar to above, just some validations don't apply
25 def check_create_consistency(new, user)
27 raise OSM::APIChangesetMissingError
28 elsif new.changeset.user_id != user.id
29 raise OSM::APIUserChangesetMismatchError
30 elsif !new.changeset.is_open?
31 raise OSM::APIChangesetAlreadyClosedError, new.changeset
36 # subset of consistency checks which should be applied to almost
37 # all the changeset controller's writable methods.
38 def check_changeset_consistency(changeset, user)
39 # check user credentials - only the user who opened a changeset
42 raise OSM::APIChangesetMissingError
43 elsif user.id != changeset.user_id
44 raise OSM::APIUserChangesetMismatchError
45 elsif !changeset.is_open?
46 raise OSM::APIChangesetAlreadyClosedError, changeset