more geocoder stuff

[rails.git] / app / controllers / segment_controller.rb

diff --git a/app/controllers/segment_controller.rb b/app/controllers/segment_controller.rb
index b6e0c661e08a6fb26eec380adc21528307a23464..c6d4ad611a7129288a8d831f76644b27f1805be2 100644 (file)
--- a/app/controllers/segment_controller.rb
+++ b/app/controllers/segment_controller.rb
@@ -1,2 +1,109 @@
 class SegmentController < ApplicationController
+  require 'xml/libxml'
+
+  before_filter :authorize
+  after_filter :compress_output
+
+  def create
+    response.headers["Content-Type"] = 'text/xml'
+    if request.put?
+      segment = Segment.from_xml(request.raw_post, true)
+
+      if segment
+        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.from_node == segment.to_node
+          render :nothing => true, :status => HTTP_EXPECTATION_FAILED
+          return
+        end
+        
+        unless segment.preconditions_ok? # are the nodes visible?
+          render :nothing => true, :status => HTTP_PRECONDITION_FAILED
+        end
+
+        if segment.save_with_history
+          render :text => segment.id.to_s
+        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
+    response.headers["Content-Type"] = 'text/xml'
+    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
+
+      if new_segment.node_a == new_segment.node_b
+        render :nothing => true, :status => HTTP_EXPECTATION_FAILED
+        return
+      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
+
+      if segment.id == new_segment.id and segment.save_with_history
+        render :nothing => true, :status => HTTP_OK
+      else
+        render :nothing => true, :status => 500
+      end
+      return
+    end
+
+  end
+
+  def segments
+    response.headers["Content-Type"] = 'text/xml'
+    ids = params['segments'].split(',').collect {|s| s.to_i }
+    if ids.length > 0
+      segmentlist = Segment.find(ids)
+      doc = OSM::API.get_xml_doc
+      segmentlist.each do |segment|
+        doc.root << segment.to_xml_node
+      end 
+      render :text => doc.to_s
+    else
+      render :nothing => true, :status => 400
+    end
+  end
+
 end