123 lines
3.8 KiB
Ruby
123 lines
3.8 KiB
Ruby
# The NodeController is the RESTful interface to Node objects
|
|
|
|
class NodeController < ApplicationController
|
|
require 'xml/libxml'
|
|
|
|
session :off
|
|
before_filter :authorize, :only => [:create, :update, :delete]
|
|
before_filter :check_write_availability, :only => [:create, :update, :delete]
|
|
before_filter :check_read_availability, :except => [:create, :update, :delete]
|
|
after_filter :compress_output
|
|
|
|
# Create a node from XML.
|
|
def create
|
|
begin
|
|
if request.put?
|
|
node = Node.from_xml(request.raw_post, true)
|
|
|
|
if node
|
|
node.create_with_history @user
|
|
render :text => node.id.to_s, :content_type => "text/plain"
|
|
else
|
|
render :nothing => true, :status => :bad_request
|
|
end
|
|
else
|
|
render :nothing => true, :status => :method_not_allowed
|
|
end
|
|
rescue OSM::APIError => ex
|
|
render ex.render_opts
|
|
end
|
|
end
|
|
|
|
# Dump the details on a node given in params[:id]
|
|
def read
|
|
begin
|
|
node = Node.find(params[:id])
|
|
if node.visible?
|
|
response.headers['Last-Modified'] = node.timestamp.rfc822
|
|
render :text => node.to_xml.to_s, :content_type => "text/xml"
|
|
else
|
|
render :text => "", :status => :gone
|
|
end
|
|
rescue ActiveRecord::RecordNotFound
|
|
render :nothing => true, :status => :not_found
|
|
end
|
|
end
|
|
|
|
# Dump a specific version of the node based on the given params[:id] and params[:version]
|
|
def version
|
|
begin
|
|
node = Node.find(:first, :conditions => { :id => params[:id], :version => params[:version] } )
|
|
if node.visible
|
|
response.headers['Last-Modified'] = node.timestamp.rfc822
|
|
render :text => node.to_xml.to_s, :content_type => "text/xml"
|
|
else
|
|
render :nothing => true, :status => :gone
|
|
end
|
|
rescue ActiveRecord::RecordNotFound
|
|
render :nothing => true, :status => :not_found
|
|
end
|
|
end
|
|
|
|
# Update a node from given XML
|
|
def update
|
|
begin
|
|
node = Node.find(params[:id])
|
|
new_node = Node.from_xml(request.raw_post)
|
|
|
|
if new_node and new_node.id == node.id
|
|
node.update_from(new_node, @user)
|
|
render :text => node.version.to_s, :content_type => "text/plain"
|
|
else
|
|
render :nothing => true, :status => :bad_request
|
|
end
|
|
rescue OSM::APIVersionMismatchError => ex
|
|
render :text => "Version mismatch: Provided " + ex.provided.to_s +
|
|
", server had: " + ex.latest.to_s, :status => :bad_request
|
|
rescue ActiveRecord::RecordNotFound
|
|
render :nothing => true, :status => :not_found
|
|
end
|
|
end
|
|
|
|
# Delete a node. Doesn't actually delete it, but retains its history in a wiki-like way.
|
|
# FIXME remove all the fricking SQL
|
|
def delete
|
|
begin
|
|
node = Node.find(params[:id])
|
|
new_node = Node.from_xml(request.raw_post)
|
|
# FIXME we no longer care about the user, (or maybe we want to check
|
|
# that the user of the changeset is the same user as is making this
|
|
# little change?) we really care about the
|
|
# changeset which must be open, and that the version that we have been
|
|
# given is the one that is currently stored in the database
|
|
|
|
if new_node and new_node.id == node.id
|
|
node.delete_with_history(new_node, @user)
|
|
render :nothing => true
|
|
else
|
|
render :nothing => true, :status => :bad_request
|
|
end
|
|
rescue ActiveRecord::RecordNotFound
|
|
render :nothing => true, :status => :not_found
|
|
rescue OSM::APIError => ex
|
|
render ex.render_opts
|
|
end
|
|
end
|
|
|
|
# WTF does this do?
|
|
def nodes
|
|
ids = params['nodes'].split(',').collect { |n| n.to_i }
|
|
|
|
if ids.length > 0
|
|
doc = OSM::API.new.get_xml_doc
|
|
|
|
Node.find(ids).each do |node|
|
|
doc.root << node.to_xml_node
|
|
end
|
|
|
|
render :text => doc.to_s, :content_type => "text/xml"
|
|
else
|
|
render :nothing => true, :status => :bad_request
|
|
end
|
|
end
|
|
end
|