openstreetmap-website/app/controllers/node_controller.rb
2007-09-20 14:37:29 +00:00

106 lines
2.9 KiB
Ruby

class NodeController < ApplicationController
require 'xml/libxml'
session :off
before_filter :authorize, :only => [:create, :update, :delete]
before_filter :check_availability, :only => [:create, :update, :delete]
after_filter :compress_output
def create
if request.put?
node = Node.from_xml(request.raw_post, true)
if node
node.user_id = @user.id
node.visible = true
node.save_with_history!
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
end
def read
begin
node = Node.find(params[:id])
if node.visible
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
def update
begin
node = Node.find(params[:id])
if node.visible
new_node = Node.from_xml(request.raw_post)
if new_node and new_node.id == node.id
node.user_id = @user.id
node.latitude = new_node.latitude
node.longitude = new_node.longitude
node.tags = new_node.tags
node.save_with_history!
render :nothing => true
else
render :nothing => true, :status => :bad_request
end
else
render :nothing => true, :status => :gone
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
end
end
def delete
begin
node = Node.find(params[:id])
if node.visible
if WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id", :conditions => [ "current_ways.visible = 1 AND current_way_nodes.node_id = ?", node.id ])
render :nothing => true, :status => :precondition_failed
elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='node' and member_id=?", params[:id]])
render :nothing => true, :status => :precondition_failed
else
node.user_id = @user.id
node.visible = 0
node.save_with_history!
render :nothing => true
end
else
render :nothing => true, :status => :gone
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
end
end
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