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
31 render :text => node.to_xml.to_s, :content_type => "text/xml"
33 render :text => "", :status => :gone
37 # Update a node from given XML
39 node = Node.find(params[:id])
40 new_node = Node.from_xml(request.raw_post)
42 unless new_node and new_node.id == node.id
43 raise OSM::APIBadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
45 node.update_from(new_node, @user)
46 render :text => node.version.to_s, :content_type => "text/plain"
49 # Delete a node. Doesn't actually delete it, but retains its history
50 # in a wiki-like way. We therefore treat it like an update, so the delete
51 # method returns the new version number.
53 node = Node.find(params[:id])
54 new_node = Node.from_xml(request.raw_post)
56 unless new_node and new_node.id == node.id
57 raise OSM::APIBadUserInput.new("The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})")
59 node.delete_with_history!(new_node, @user)
60 render :text => node.version.to_s, :content_type => "text/plain"
63 # Dump the details on many nodes whose ids are given in the "nodes" parameter.
65 ids = params['nodes'].split(',').collect { |n| n.to_i }
68 raise OSM::APIBadUserInput.new("No nodes were given to search for")
70 doc = OSM::API.new.get_xml_doc
72 Node.find(ids).each do |node|
73 doc.root << node.to_xml_node
76 render :text => doc.to_s, :content_type => "text/xml"