openstreetmap-website/app/controllers/segment_controller.rb
Tom Hughes dcad29dad0 Split the rest action into sparate read, update and delete actions thus
allowing authorization to be done on a per-action basis without worring
about the method. This should make the user API work.

Also do a lot of cleanup of the controllers.
2007-06-27 17:27:10 +00:00

148 lines
4.4 KiB
Ruby

class SegmentController < ApplicationController
require 'xml/libxml'
before_filter :authorize, :only => [:create, :update, :destroy]
after_filter :compress_output
def create
if request.put?
segment = Segment.from_xml(request.raw_post, true)
if segment
if segment.node_a == segment.node_b
render :nothing => true, :status => :expectation_failed
elsif !segment.preconditions_ok?
render :nothing => true, :status => :precondition_failed
else
segment.user_id = @user.id
segment.from_node = Node.find(segment.node_a.to_i)
segment.to_node = Node.find(segment.node_b.to_i)
if segment.save_with_history
render :text => segment.id.to_s, :content_type => "text/plain"
else
render :nothing => true, :status => :internal_server_error
end
end
else
render :nothing => true, :status => :bad_request
end
else
render :nothing => true, :status => :method_not_allowed
end
end
def read
begin
segment = Segment.find(params[:id])
if segment.visible
render :text => segment.to_xml.to_s, :content_type => "text/xml"
else
render :nothing => true, :status => :gone
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
rescue
render :nothing => true, :status => :internal_server_error
end
end
def update
begin
segment = Segment.find(params[:id])
if segment.visible
new_segment = Segment.from_xml(request.raw_post)
if new_segment and new_segment.id == segment.id
if new_segment.node_a == new_segment.node_b
render :nothing => true, :status => :expectation_failed
elsif !new_segment.preconditions_ok?
render :nothing => true, :status => :precondition_failed
else
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.save_with_history
render :nothing => true
else
render :nothing => true, :status => :internal_server_error
end
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
rescue
render :nothing => true, :status => :internal_server_error
end
end
def delete
begin
segment = Segment.find(params[:id])
if segment.visible
if WaySegment.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_segments.id", :conditions => [ "current_ways.visible = 1 AND current_way_segments.segment_id = ?", segment.id ])
render :nothing => true, :status => :precondition_failed
else
segment.user_id = @user.id
segment.visible = 0
if segment.save_with_history
render :nothing => true
else
render :nothing => true, :status => :internal_server_error
end
end
else
render :nothing => true, :status => :gone
end
rescue ActiveRecord::RecordNotFound
render :nothing => true, :status => :not_found
rescue
render :nothing => true, :status => :internal_server_error
end
end
def segments
ids = params['segments'].split(',').collect { |s| s.to_i }
if ids.length > 0
doc = OSM::API.new.get_xml_doc
Segment.find(ids).each do |segment|
doc.root << segment.to_xml_node
end
render :text => doc.to_s, :content_type => "text/xml"
else
render :nothing => true, :status => :bad_request
end
end
def segments_for_node
segmentids = Segment.find(:all, :conditions => ['node_a = ? OR node_b = ?', params[:id], params[:id]]).collect { |s| s.id }.uniq
if segmentids.length > 0
doc = OSM::API.new.get_xml_doc
Segment.find(segmentids).each do |segment|
doc.root << segment.to_xml_node
end
render :text => doc.to_s, :content_type => "text/xml"
else
render :nothing => true, :status => :bad_request
end
end
end