openstreetmap-website/app/controllers/way_controller.rb
2007-09-22 19:55:33 +00:00

160 lines
4.1 KiB
Ruby

class WayController < 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
def create
if request.put?
way = Way.from_xml(request.raw_post, true)
if way
if !way.preconditions_ok?
render :nothing => true, :status => :precondition_failed
else
way.user_id = @user.id
way.save_with_history!
render :text => way.id.to_s, :content_type => "text/plain"
end
else
render :nothing => true, :status => :bad_request
end
else
render :nothing => true, :status => :method_not_allowed
end
end
def read
begin
way = Way.find(params[:id])
if way.visible
render :text => way.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
way = Way.find(params[:id])
if way.visible
new_way = Way.from_xml(request.raw_post)
if new_way and new_way.id == way.id
if !new_way.preconditions_ok?
render :nothing => true, :status => :precondition_failed
else
way.user_id = @user.id
way.tags = new_way.tags
way.nds = new_way.nds
way.visible = true
way.save_with_history!
render :nothing => true
end
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
way = Way.find(params[:id])
if way.visible
if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='way' and member_id=?", params[:id]])
render :nothing => true, :status => :precondition_failed
else
way.user_id = @user.id
way.tags = []
way.nds = []
way.visible = false
way.save_with_history!
render :nothing => true
end
else
render :nothing => true, :status => :gone
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
rescue => ex
puts ex
end
end
def full
begin
way = Way.find(params[:id])
if way.visible
nd_ids = way.nds + [-1]
nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
# Render
doc = OSM::API.new.get_xml_doc
nodes.each do |node|
doc.root << node.to_xml_node()
end
doc.root << way.to_xml_node()
render :text => doc.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 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
def ways_for_node
wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
if wayids.length > 0
doc = OSM::API.new.get_xml_doc
Way.find(wayids).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
end