1 # frozen_string_literal: true
3 module ConsistencyValidations
4 extend ActiveSupport::Concern
6 # Generic checks that are run for the updates and deletes of
7 # node, ways and relations. This code is here to avoid duplication,
8 # and allow the extension of the checks without having to modify the
9 # code in 6 places for all the updates and deletes.
10 # This will throw an exception if there is an inconsistency
11 def check_update_element_consistency(old, new, user)
12 if new.id != old.id || new.id.nil? || old.id.nil?
13 raise OSM::APIPreconditionFailedError, "New and old IDs don't match on #{new.class}. #{new.id} != #{old.id}."
14 elsif new.version != old.version
15 raise OSM::APIVersionMismatchError.new(new.id, new.class.to_s, new.version, old.version)
18 check_changeset_consistency(new.changeset, user)
21 # This is similar to above, just some validations don't apply
22 def check_create_element_consistency(new, user)
23 check_changeset_consistency(new.changeset, user)
27 # subset of consistency checks which should be applied to almost
28 # all the changeset controller's writable methods.
29 def check_changeset_consistency(changeset, user)
30 # check user credentials - only the user who opened a changeset
33 raise OSM::APIChangesetMissingError
34 elsif user.id != changeset.user_id
35 raise OSM::APIUserChangesetMismatchError
36 elsif !changeset.open?
37 raise OSM::APIChangesetAlreadyClosedError, changeset