class SegmentController < ApplicationController
require 'xml/libxml'
- before_filter :authorize
+ before_filter :authorize, :only => [:create, :update, :delete]
+ after_filter :compress_output
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
+ if segment.node_a == segment.node_b
+ render :nothing => true, :status => :expectation_failed
+ elsif !segment.preconditions_ok?
+ render :nothing => true, :status => :precondition_failed
else
- render :nothing => true, :status => 500
+ 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
- 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 rest
- unless Segment.exists?(params[:id])
- render :nothing => true, :status => 400
- return
- end
-
- segment = Segment.find(params[:id])
-
- case request.method
-
- when :get
- render :text => segment.to_xml.to_s
- return
+ def read
+ begin
+ segment = Segment.find(params[:id])
- when :delete
if segment.visible
- segment.visible = 0
- segment.save_with_history
- render :nothing => true
+ render :text => segment.to_xml.to_s, :content_type => "text/xml"
else
- render :nothing => true, :status => 410
+ 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
- when :put
- new_segment = Segment.from_xml(request.raw_post)
+ def update
+ begin
+ segment = Segment.find(params[:id])
- segment.timestamp = Time.now
- segment.user_id = @user.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.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
- segment.node_a = new_segment.node_a
- segment.node_b = new_segment.node_b
- segment.tags = new_segment.tags
- segment.visible = new_segment.visible
+ def delete
+ begin
+ segment = Segment.find(params[:id])
- if segment.id == new_segment.id and segment.save_with_history
- render :nothing => true, :status => 200
+ 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 => 500
+ render :nothing => true, :status => :gone
end
- return
+ rescue ActiveRecord::RecordNotFound
+ render :nothing => true, :status => :not_found
+ rescue
+ render :nothing => true, :status => :internal_server_error
end
-
end
- def history
- segment = Segment.find(params[:id])
+ def segments
+ ids = params['segments'].split(',').collect { |s| s.to_i }
- unless segment
- render :nothing => true, :staus => 404
- return
- end
+ if ids.length > 0
+ doc = OSM::API.new.get_xml_doc
- 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
+ Segment.find(ids).each do |segment|
+ doc.root << segment.to_xml_node
+ end
- render :text => doc.to_s
+ 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
projects / rails.git / blobdiff