openstreetmap-website/app/controllers/way_controller.rb
2009-06-04 08:08:24 +00:00

119 lines
3.2 KiB
Ruby

class WayController < ApplicationController
require 'xml/libxml'
before_filter :authorize, :only => [:create, :update, :delete]
before_filter :require_public_data, :only => [:create, :update, :delete]
before_filter :check_api_writable, :only => [:create, :update, :delete]
before_filter :check_api_readable, :except => [:create, :update, :delete]
after_filter :compress_output
around_filter :api_call_handle_error, :api_call_timeout
def create
assert_method :put
way = Way.from_xml(request.raw_post, true)
if way
way.create_with_history @user
render :text => way.id.to_s, :content_type => "text/plain"
else
render :nothing => true, :status => :bad_request
end
end
def read
way = Way.find(params[:id])
response.headers['Last-Modified'] = way.timestamp.rfc822
if way.visible
render :text => way.to_xml.to_s, :content_type => "text/xml"
else
render :text => "", :status => :gone
end
end
def update
way = Way.find(params[:id])
new_way = Way.from_xml(request.raw_post)
if new_way and new_way.id == way.id
way.update_from(new_way, @user)
render :text => way.version.to_s, :content_type => "text/plain"
else
render :nothing => true, :status => :bad_request
end
end
# This is the API call to delete a way
def delete
way = Way.find(params[:id])
new_way = Way.from_xml(request.raw_post)
if new_way and new_way.id == way.id
way.delete_with_history!(new_way, @user)
render :text => way.version.to_s, :content_type => "text/plain"
else
render :nothing => true, :status => :bad_request
end
end
def full
way = Way.find(params[:id], :include => {:nodes => :node_tags})
if way.visible
changeset_cache = {}
user_display_name_cache = {}
doc = OSM::API.new.get_xml_doc
way.nodes.each do |node|
if node.visible
doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
end
end
doc.root << way.to_xml_node(nil, changeset_cache, user_display_name_cache)
render :text => doc.to_s, :content_type => "text/xml"
else
render :text => "", :status => :gone
end
end
def ways
begin
ids = params['ways'].split(',').collect { |w| w.to_i }
rescue
ids = []
end
if ids.length > 0
doc = OSM::API.new.get_xml_doc
Way.find(ids).each do |way|
doc.root << way.to_xml_node
end
render :text => doc.to_s, :content_type => "text/xml"
else
render :nothing => true, :status => :bad_request
end
end
##
# returns all the ways which are currently using the node given in the
# :id parameter. note that this used to return deleted ways as well, but
# this seemed not to be the expected behaviour, so it was removed.
def ways_for_node
wayids = WayNode.find(:all,
:conditions => ['node_id = ?', params[:id]]
).collect { |ws| ws.id[0] }.uniq
doc = OSM::API.new.get_xml_doc
Way.find(wayids).each do |way|
doc.root << way.to_xml_node if way.visible
end
render :text => doc.to_s, :content_type => "text/xml"
end
end