1 # The NodeController is the RESTful interface to Node objects
3 class NodeController < ApplicationController
7 before_filter :authorize, :only => [:create, :update, :delete]
8 before_filter :check_api_writable, :only => [:create, :update, :delete]
9 before_filter :check_api_readable, :except => [:create, :update, :delete]
10 after_filter :compress_output
12 # Create a node from XML.
16 node = Node.from_xml(request.raw_post, true)
19 node.create_with_history @user
20 render :text => node.id.to_s, :content_type => "text/plain"
22 render :nothing => true, :status => :bad_request
25 render :nothing => true, :status => :method_not_allowed
27 rescue OSM::APIError => ex
32 # Dump the details on a node given in params[:id]
35 node = Node.find(params[:id])
37 response.headers['Last-Modified'] = node.timestamp.rfc822
38 render :text => node.to_xml.to_s, :content_type => "text/xml"
40 render :text => "", :status => :gone
42 rescue ActiveRecord::RecordNotFound
43 render :nothing => true, :status => :not_found
47 # Update a node from given XML
50 node = Node.find(params[:id])
51 new_node = Node.from_xml(request.raw_post)
53 if new_node and new_node.id == node.id
54 node.update_from(new_node, @user)
55 render :text => node.version.to_s, :content_type => "text/plain"
57 render :nothing => true, :status => :bad_request
59 rescue OSM::APIError => ex
61 rescue ActiveRecord::RecordNotFound
62 render :nothing => true, :status => :not_found
66 # Delete a node. Doesn't actually delete it, but retains its history
67 # in a wiki-like way. We therefore treat it like an update, so the delete
68 # method returns the new version number.
71 node = Node.find(params[:id])
72 new_node = Node.from_xml(request.raw_post)
74 if new_node and new_node.id == node.id
75 node.delete_with_history!(new_node, @user)
76 render :text => node.version.to_s, :content_type => "text/plain"
78 render :nothing => true, :status => :bad_request
80 rescue ActiveRecord::RecordNotFound
81 render :nothing => true, :status => :not_found
82 rescue OSM::APIError => ex
87 # Dump the details on many nodes whose ids are given in the "nodes" parameter.
89 ids = params['nodes'].split(',').collect { |n| n.to_i }
92 doc = OSM::API.new.get_xml_doc
94 Node.find(ids).each do |node|
95 doc.root << node.to_xml_node
98 render :text => doc.to_s, :content_type => "text/xml"
100 render :nothing => true, :status => :bad_request