+ # Save a way to the database, including all nodes. Any nodes in the previous
+ # version and no longer used are deleted.
+ #
+ # Parameters:
+ # 0. hash of renumbered nodes (added by amf_controller)
+ # 1. current user token (for authentication)
+ # 2. current changeset
+ # 3. new way version
+ # 4. way ID
+ # 5. list of nodes in way
+ # 6. hash of way tags
+ # 7. array of nodes to change (each one is [lon,lat,id,version,tags]),
+ # 8. hash of nodes to delete (id->version).
+ #
+ # Returns:
+ # 0. '0' (code for success),
+ # 1. message,
+ # 2. original way id (unchanged),
+ # 3. new way id,
+ # 4. hash of renumbered nodes (old id=>new id),
+ # 5. way version,
+ # 6. hash of changed node versions (node=>version)
+ # 7. hash of deleted node versions (node=>version)
+
+ def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc:
+ amf_handle_error("'putway' #{originalway}", "way", originalway) do
+ # -- Initialise
+
+ user = getuser(usertoken)
+ return -1, "You are not logged in, so the way could not be saved." unless user
+ return -1, t("application.setup_user_auth.blocked") if user.blocks.active.exists?
+ return -1, "You must accept the contributor terms before you can edit." if REQUIRE_TERMS_AGREED && user.terms_agreed.nil?
+
+ return -2, "Server error - way is only #{pointlist.length} points long." if pointlist.length < 2
+
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(attributes)
+ attributes = strip_non_xml_chars attributes
+
+ originalway = originalway.to_i
+ pointlist.collect!(&:to_i)
+
+ way = nil # this is returned, so scope it outside the transaction
+ nodeversions = {}
+ Way.transaction do
+ # -- Update each changed node
+
+ nodes.each do |a|
+ lon = a[0].to_f
+ lat = a[1].to_f
+ id = a[2].to_i
+ version = a[3].to_i
+
+ return -2, "Server error - node with id 0 found in way #{originalway}." if id == 0
+ return -2, "Server error - node with latitude -90 found in way #{originalway}." if lat == 90
+
+ id = renumberednodes[id] if renumberednodes[id]
+
+ node = Node.new
+ node.changeset_id = changeset_id
+ node.lat = lat
+ node.lon = lon
+ node.tags = a[4]
+
+ # fixup node tags in a way as well
+ return -1, "One of the tags is invalid. Linux users may need to upgrade to Flash Player 10.1." unless tags_ok(node.tags)
+ node.tags = strip_non_xml_chars node.tags
+
+ node.tags.delete("created_by")
+ node.version = version
+ if id <= 0
+ # We're creating the node
+ node.create_with_history(user)
+ renumberednodes[id] = node.id
+ nodeversions[node.id] = node.version
+ else
+ # We're updating an existing node
+ previous = Node.find(id)
+ node.id = id
+ previous.update_from(node, user)
+ nodeversions[previous.id] = previous.version
+ end
+ end
+
+ # -- Save revised way
+
+ pointlist.collect! do|a|
+ renumberednodes[a] ? renumberednodes[a] : a
+ end # renumber nodes
+ new_way = Way.new
+ new_way.tags = attributes
+ new_way.nds = pointlist
+ new_way.changeset_id = changeset_id
+ new_way.version = wayversion
+ if originalway <= 0
+ new_way.create_with_history(user)
+ way = new_way # so we can get way.id and way.version
+ else
+ way = Way.find(originalway)
+ if way.tags != attributes || way.nds != pointlist || !way.visible?
+ new_way.id = originalway
+ way.update_from(new_way, user)
+ end
+ end
+
+ # -- Delete unwanted nodes
+
+ deletednodes.each do |id, v|
+ node = Node.find(id.to_i)
+ new_node = Node.new
+ new_node.changeset_id = changeset_id
+ new_node.version = v.to_i
+ new_node.id = id.to_i
+ begin
+ node.delete_with_history!(new_node, user)
+ rescue OSM::APIPreconditionFailedError
+ # We don't do anything here as the node is being used elsewhere
+ # and we don't want to delete it
+ end
+ end
+ end # transaction
+
+ [0, "", originalway, way.id, renumberednodes, way.version, nodeversions, deletednodes]
+ end