openstreetmap-website/app/controllers/segment_controller.rb
2006-08-26 21:36:21 +00:00

111 lines
2.5 KiB
Ruby

class SegmentController < ApplicationController
require 'xml/libxml'
before_filter :authorize
def create
if request.put?
segment = Segment.from_xml(request.raw_post, true)
if segment
segment.user_id = @user.id
a = Node.find(segment.node_a.to_i)
b = Node.find(segment.node_b.to_i)
unless a and a.visible and b and b.visible
render :nothing => true, :status => 400
end
if segment.save_with_history
render :text => segment.id
else
render :nothing => true, :status => 500
end
return
else
render :nothing => true, :status => 400 # if we got here the doc didnt parse
return
end
end
render :nothing => true, :status => 500 # something went very wrong
end
def rest
unless Segment.exists?(params[:id])
render :nothing => true, :status => 404
return
end
segment = Segment.find(params[:id])
case request.method
when :get
render :text => segment.to_xml.to_s
return
when :delete
if segment.visible
segment.visible = 0
segment.save_with_history
render :nothing => true
else
render :nothing => true, :status => 410
end
when :put
new_segment = Segment.from_xml(request.raw_post)
segment.timestamp = Time.now
segment.user_id = @user.id
segment.node_a = new_segment.node_a
segment.node_b = new_segment.node_b
segment.tags = new_segment.tags
segment.visible = new_segment.visible
if segment.id == new_segment.id and segment.save_with_history
render :nothing => true, :status => 200
else
render :nothing => true, :status => 500
end
return
end
end
def history
segment = Segment.find(params[:id])
unless segment
render :nothing => true, :staus => 404
return
end
doc = XML::Document.new
doc.encoding = 'UTF-8'
root = XML::Node.new 'osm'
root['version'] = '0.4'
root['generator'] = 'OpenStreetMap server'
doc.root = root
segment.old_segments.each do |old_segment|
el1 = XML::Node.new 'segment'
el1['id'] = old_segment.id.to_s
el1['from'] = old_segment.node_a.to_s
el1['to'] = old_segment.node_b.to_s
Segment.split_tags(el1, old_segment.tags)
el1['visible'] = old_segment.visible.to_s
el1['timestamp'] = old_segment.timestamp.xmlschema
root << el1
end
render :text => doc.to_s
end
end