141 lines
3.8 KiB
Ruby
141 lines
3.8 KiB
Ruby
class WayController < ApplicationController
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require 'xml/libxml'
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session :off
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before_filter :authorize, :only => [:create, :update, :delete]
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before_filter :check_write_availability, :only => [:create, :update, :delete]
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before_filter :check_read_availability, :except => [:create, :update, :delete]
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after_filter :compress_output
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def create
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if request.put?
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way = Way.from_xml(request.raw_post, true)
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if way
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if !way.preconditions_ok?
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render :text => "", :status => :precondition_failed
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else
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way.version = 0
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way.user_id = @user.id
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way.save_with_history!
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render :text => way.id.to_s, :content_type => "text/plain"
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end
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else
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render :nothing => true, :status => :bad_request
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end
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else
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render :nothing => true, :status => :method_not_allowed
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end
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end
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def read
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begin
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way = Way.find(params[:id])
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response.headers['Last-Modified'] = way.timestamp.rfc822
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if way.visible
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render :text => way.to_xml.to_s, :content_type => "text/xml"
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else
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render :text => "", :status => :gone
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end
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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def update
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begin
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way = Way.find(params[:id])
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new_way = Way.from_xml(request.raw_post)
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if new_way and new_way.id == way.id
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way.update_from(new_way, @user)
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render :text => way.version.to_s, :content_type => "text/plain"
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else
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render :nothing => true, :status => :bad_request
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end
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rescue OSM::APIPreconditionFailedError
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render :text => "", :status => :precondition_failed
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rescue OSM::APIVersionMismatchError => ex
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render :text => "Version mismatch: Provided " + ex.provided.to_s +
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", server had: " + ex.latest.to_s, :status => :bad_request
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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# This is the API call to delete a way
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def delete
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begin
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way = Way.find(params[:id])
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way.delete_with_history(@user)
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# if we get here, all is fine, otherwise something will catch below.
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render :nothing => true
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rescue OSM::APIAlreadyDeletedError
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render :text => "", :status => :gone
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rescue OSM::APIPreconditionFailedError
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render :text => "", :status => :precondition_failed
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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def full
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begin
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way = Way.find(params[:id])
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if way.visible
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nd_ids = way.nds + [-1]
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nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
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# Render
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doc = OSM::API.new.get_xml_doc
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nodes.each do |node|
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doc.root << node.to_xml_node()
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end
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doc.root << way.to_xml_node()
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render :text => doc.to_s, :content_type => "text/xml"
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else
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render :text => "", :status => :gone
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end
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rescue ActiveRecord::RecordNotFound
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render :nothing => true, :status => :not_found
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end
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end
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def ways
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begin
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ids = params['ways'].split(',').collect { |w| w.to_i }
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rescue
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ids = []
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end
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if ids.length > 0
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doc = OSM::API.new.get_xml_doc
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Way.find(ids).each do |way|
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doc.root << way.to_xml_node
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end
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render :text => doc.to_s, :content_type => "text/xml"
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else
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render :nothing => true, :status => :bad_request
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end
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end
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def ways_for_node
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wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id[0] }.uniq
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doc = OSM::API.new.get_xml_doc
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Way.find(wayids).each do |way|
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doc.root << way.to_xml_node
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end
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render :text => doc.to_s, :content_type => "text/xml"
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end
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end
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