1 # The NodeController is the RESTful interface to Node objects
3 class NodeController < ApplicationController
6 before_filter :authorize, :only => [:create, :update, :delete]
7 before_filter :require_allow_write_api, :only => [:create, :update, :delete]
8 before_filter :require_public_data, :only => [:create, :update, :delete]
9 before_filter :check_api_writable, :only => [:create, :update, :delete]
10 before_filter :check_api_readable, :except => [:create, :update, :delete]
11 after_filter :compress_output
12 around_filter :api_call_handle_error, :api_call_timeout
14 # Create a node from XML.
18 node = Node.from_xml(request.raw_post, true)
20 # Assume that Node.from_xml has thrown an exception if there is an error parsing the xml
21 node.create_with_history @user
22 render :text => node.id.to_s, :content_type => "text/plain"
25 # Dump the details on a node given in params[:id]
27 node = Node.find(params[:id])
29 response.headers['Last-Modified'] = node.timestamp.rfc822
30 render :text => node.to_xml.to_s, :content_type => "text/xml"
32 render :text => "", :status => :gone
36 # Update a node from given XML
38 node = Node.find(params[:id])
39 new_node = Node.from_xml(request.raw_post)
41 unless new_node and new_node.id == node.id
42 raise OSM::BadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
44 node.update_from(new_node, @user)
45 render :text => node.version.to_s, :content_type => "text/plain"
48 # Delete a node. Doesn't actually delete it, but retains its history
49 # in a wiki-like way. We therefore treat it like an update, so the delete
50 # method returns the new version number.
52 node = Node.find(params[:id])
53 new_node = Node.from_xml(request.raw_post)
55 unless new_node and new_node.id == node.id
56 raise OSM::BadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
58 node.delete_with_history!(new_node, @user)
59 render :text => node.version.to_s, :content_type => "text/plain"
62 # Dump the details on many nodes whose ids are given in the "nodes" parameter.
64 ids = params['nodes'].split(',').collect { |n| n.to_i }
67 raise OSM::BadUserInput.new("No nodes were given to search for")
69 doc = OSM::API.new.get_xml_doc
71 Node.find(ids).each do |node|
72 doc.root << node.to_xml_node
75 render :text => doc.to_s, :content_type => "text/xml"