class WayController < ApplicationController
require 'xml/libxml'
- before_filter :authorize
+ 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
- response.headers["Content-Type"] = 'text/xml'
if request.put?
way = Way.from_xml(request.raw_post, true)
if way
- way.user_id = @user.id
-
- unless way.preconditions_ok? # are the segments (and their nodes) visible?
- render :nothing => true, :status => HTTP_PRECONDITION_FAILED
- return
- end
-
- if way.save_with_history
- render :text => way.id.to_s
+ if !way.preconditions_ok?
+ render :text => "", :status => :precondition_failed
else
- render :nothing => true, :status => 500
+ way.version = 0
+ way.user_id = @user.id
+ way.save_with_history!
+
+ render :text => way.id.to_s, :content_type => "text/plain"
end
- return
else
- render :nothing => true, :status => 400 # if we got here the doc didnt parse
- return
+ render :nothing => true, :status => :bad_request
end
+ else
+ render :nothing => true, :status => :method_not_allowed
end
-
- render :nothing => true, :status => 500 # something went very wrong
end
- def full
- unless Way.exists?(params[:id])
- render :nothing => true, :status => 404
- return
- end
+ def read
+ begin
+ way = Way.find(params[:id])
- way = Way.find(params[:id])
+ response.headers['Last-Modified'] = way.timestamp.rfc822
- unless way.visible
- render :nothing => true, :status => 410
- return
+ if way.visible
+ render :text => way.to_xml.to_s, :content_type => "text/xml"
+ else
+ render :text => "", :status => :gone
+ end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
+ end
- # In future, we might want to do all the data fetch in one step
- seg_ids = way.segs + [-1]
- segments = Segment.find_by_sql "select * from current_segments where visible = 1 and id IN (#{seg_ids.join(',')})"
-
- node_ids = segments.collect {|segment| segment.node_a }
- node_ids += segments.collect {|segment| segment.node_b }
- node_ids += [-1]
- nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{node_ids.join(',')})")
+ def update
+ begin
+ way = Way.find(params[:id])
+ new_way = Way.from_xml(request.raw_post)
- # Render
- doc = OSM::API.new.get_xml_doc
- nodes.each do |node|
- doc.root << node.to_xml_node()
- end
- segments.each do |segment|
- doc.root << segment.to_xml_node()
+ if new_way and new_way.id == way.id
+ way.update_from(new_way, @user)
+ render :nothing => true
+ else
+ render :nothing => true, :status => :bad_request
+ end
+ rescue OSM::APIPreconditionFailedError
+ render :text => "", :status => :precondition_failed
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
- doc.root << way.to_xml_node()
-
- render :text => doc.to_s
end
- def rest
- response.headers["Content-Type"] = 'text/xml'
- unless Way.exists?(params[:id])
- render :nothing => true, :status => 404
- return
+ # This is the API call to delete a way
+ def delete
+ begin
+ way = Way.find(params[:id])
+ way.delete_with_relations_and_history(@user)
+
+ # if we get here, all is fine, otherwise something will catch below.
+ render :nothing => true
+ rescue OSM::APIAlreadyDeletedError
+ render :text => "", :status => :gone
+ rescue OSM::APIPreconditionFailedError
+ render :text => "", :status => :precondition_failed
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
+ end
- way = Way.find(params[:id])
-
- case request.method
-
- when :get
- unless way.visible
- render :nothing => true, :status => 410
- return
- end
- render :text => way.to_xml.to_s
+ def full
+ begin
+ way = Way.find(params[:id])
- when :delete
if way.visible
- way.user_id = @user.id
- way.visible = false
- way.save_with_history
- render :nothing => true
- else
- render :nothing => true, :status => 410
- end
-
- when :put
- new_way = Way.from_xml(request.raw_post)
+ nd_ids = way.nds + [-1]
+ nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
- if new_way
- unless new_way.preconditions_ok? # are the segments (and their nodes) visible?
- render :nothing => true, :status => HTTP_PRECONDITION_FAILED
- return
+ # 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()
- way.user_id = @user.id
- way.tags = new_way.tags
- way.segs = new_way.segs
- way.timestamp = new_way.timestamp
- way.visible = true
-
- if way.id == new_way.id and way.save_with_history
- render :nothing => true
- else
- render :nothing => true, :status => 500
- end
+ render :text => doc.to_s, :content_type => "text/xml"
else
- render :nothing => true, :status => 400 # if we got here the doc didnt parse
+ render :text => "", :status => :gone
end
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
end
end
def ways
- response.headers["Content-Type"] = 'text/xml'
- ids = params['ways'].split(',').collect {|w| w.to_i }
+ begin
+ ids = params['ways'].split(',').collect { |w| w.to_i }
+ rescue
+ ids = []
+ end
+
if ids.length > 0
- waylist = Way.find(ids)
doc = OSM::API.new.get_xml_doc
- waylist.each do |way|
+
+ Way.find(ids).each do |way|
doc.root << way.to_xml_node
end
- render :text => doc.to_s
+
+ render :text => doc.to_s, :content_type => "text/xml"
else
- render :nothing => true, :status => 400
+ render :nothing => true, :status => :bad_request
end
end
- def ways_for_segment
- response.headers["Content-Type"] = 'text/xml'
- wayids = WaySegment.find(:all, :conditions => ['segment_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
- if wayids.length > 0
- waylist = Way.find(wayids)
- doc = OSM::API.new.get_xml_doc
- waylist.each do |way|
- doc.root << way.to_xml_node
- end
- render :text => doc.to_s
- else
- render :nothing => true, :status => 400
+ 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
end
- end
+ render :text => doc.to_s, :content_type => "text/xml"
+ end
end
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