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Added better error messages on 412 precondition failed.

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This commit is contained in:
Matt Amos 2009-04-23 18:39:36 +00:00
parent e8c7543bdd
commit 9ff7ea8d71
3 changed files with 26 additions and 24 deletions
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24
app/models/node.rb
View file

@ -131,19 +131,21 @@ class Node < ActiveRecord::Base
# shouldn't be possible to get race conditions.
Node.transaction do
check_consistency(self, new_node, user)
if WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id", :conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ])
raise OSM::APIPreconditionFailedError.new
elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = ? AND member_type='Node' and member_id=? ", true, self.id])
raise OSM::APIPreconditionFailedError.new
else
self.changeset_id = new_node.changeset_id
self.visible = false
way = WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id",
:conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ])
raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by way #{way.id}.") unless way.nil?
# update the changeset with the deleted position
changeset.update_bbox!(bbox)
rel = RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id",
:conditions => [ "visible = ? AND member_type='Node' and member_id=? ", true, self.id])
raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by way #{way.id}.") unless rel.nil?
save_with_history!
end
self.changeset_id = new_node.changeset_id
self.visible = false
# update the changeset with the deleted position
changeset.update_bbox!(bbox)
save_with_history!
end
end

14
app/models/relation.rb
View file

@ -236,9 +236,9 @@ class Relation < ActiveRecord::Base
Relation.transaction do
check_consistency(self, new_relation, user)
# This will check to see if this relation is used by another relation
if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = ? AND member_type='Relation' and member_id=? ", true, self.id ])
raise OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is a used in another relation")
end
rel = RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = ? AND member_type='Relation' and member_id=? ", true, self.id ])
raise OSM::APIPreconditionFailedError.new("The relation #{new_relation.id} is a used in relation #{rel.id}.") unless rel.nil?
self.changeset_id = new_relation.changeset_id
self.tags = {}
self.members = []
@ -249,8 +249,8 @@ class Relation < ActiveRecord::Base
def update_from(new_relation, user)
check_consistency(self, new_relation, user)
if !new_relation.preconditions_ok?
raise OSM::APIPreconditionFailedError.new
unless preconditions_ok?
raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
end
self.changeset_id = new_relation.changeset_id
self.changeset = new_relation.changeset
@ -262,8 +262,8 @@ class Relation < ActiveRecord::Base
def create_with_history(user)
check_create_consistency(self, user)
if !self.preconditions_ok?
raise OSM::APIPreconditionFailedError.new
unless self.preconditions_ok?
raise OSM::APIPreconditionFailedError.new("Cannot create relation: data or member data is invalid.")
end
self.version = 0
self.visible = true

8
app/models/way.rb
View file

@ -199,8 +199,8 @@ class Way < ActiveRecord::Base
def update_from(new_way, user)
check_consistency(self, new_way, user)
if !new_way.preconditions_ok?
raise OSM::APIPreconditionFailedError.new
unless new_way.preconditions_ok?
raise OSM::APIPreconditionFailedError("Cannot update way #{self.id}: data is invalid.")
end
self.changeset_id = new_way.changeset_id
@ -213,8 +213,8 @@ class Way < ActiveRecord::Base
def create_with_history(user)
check_create_consistency(self, user)
if !self.preconditions_ok?
raise OSM::APIPreconditionFailedError.new
unless self.preconditions_ok?
raise OSM::APIPreconditionFailedError("Cannot create way: data is invalid.")
end
self.version = 0
self.visible = true