1 # The NodeController is the RESTful interface to Node objects
3 class NodeController < ApplicationController
6 skip_before_filter :verify_authenticity_token
7 before_filter :authorize, :only => [:create, :update, :delete]
8 before_filter :require_allow_write_api, :only => [:create, :update, :delete]
9 before_filter :require_public_data, :only => [:create, :update, :delete]
10 before_filter :check_api_writable, :only => [:create, :update, :delete]
11 before_filter :check_api_readable, :except => [:create, :update, :delete]
12 after_filter :compress_output
13 around_filter :api_call_handle_error, :api_call_timeout
15 # Create a node from XML.
19 node = Node.from_xml(request.raw_post, true)
21 # Assume that Node.from_xml has thrown an exception if there is an error parsing the xml
22 node.create_with_history @user
23 render :text => node.id.to_s, :content_type => "text/plain"
26 # Dump the details on a node given in params[:id]
28 node = Node.find(params[:id])
30 response.last_modified = node.timestamp
33 render :text => node.to_xml.to_s, :content_type => "text/xml"
35 render :text => "", :status => :gone
39 # Update a node from given XML
41 node = Node.find(params[:id])
42 new_node = Node.from_xml(request.raw_post)
44 unless new_node and new_node.id == node.id
45 raise OSM::APIBadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
47 node.update_from(new_node, @user)
48 render :text => node.version.to_s, :content_type => "text/plain"
51 # Delete a node. Doesn't actually delete it, but retains its history
52 # in a wiki-like way. We therefore treat it like an update, so the delete
53 # method returns the new version number.
55 node = Node.find(params[:id])
56 new_node = Node.from_xml(request.raw_post)
58 unless new_node and new_node.id == node.id
59 raise OSM::APIBadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
61 node.delete_with_history!(new_node, @user)
62 render :text => node.version.to_s, :content_type => "text/plain"
65 # Dump the details on many nodes whose ids are given in the "nodes" parameter.
67 if not params['nodes']
68 raise OSM::APIBadUserInput.new("The parameter nodes is required, and must be of the form nodes=id[,id[,id...]]")
71 ids = params['nodes'].split(',').collect { |n| n.to_i }
74 raise OSM::APIBadUserInput.new("No nodes were given to search for")
76 doc = OSM::API.new.get_xml_doc
78 Node.find(ids).each do |node|
79 doc.root << node.to_xml_node
82 render :text => doc.to_s, :content_type => "text/xml"