Allow the map centre and marker position to be set independently.

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 2fd4390e49162e7102965921c796f8ec7934b5fd..ea22206a3c8e66a65b7db803a423274c1378e567 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,54 +1,173 @@
 class WayController < ApplicationController
   require 'xml/libxml'
 
-  before_filter :authorize
+  before_filter :authorize, :only => [:create, :update, :delete]
+  after_filter :compress_output
 
   def create
     if request.put?
       way = Way.from_xml(request.raw_post, true)
 
       if way
-        way.user_id = @user.id
-        if way.save_with_history
-          render :text => way.id
+        if !way.preconditions_ok?
+          render :nothing => true, :status => :precondition_failed
         else
-          render :nothing => true, :status => 500
+          way.user_id = @user.id
+
+          if way.save_with_history
+            render :text => way.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
+  end
+
+  def read
+    begin
+      way = Way.find(params[:id])
+
+      if way.visible
+        render :text => way.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
+      way = Way.find(params[:id])
 
-    render :nothing => true, :status => 500 # something went very wrong
+      if way.visible
+        new_way = Way.from_xml(request.raw_post)
+
+        if new_way and new_way.id == way.id
+          if !new_way.preconditions_ok?
+            render :nothing => true, :status => :precondition_failed
+          else
+            way.user_id = @user.id
+            way.tags = new_way.tags
+            way.segs = new_way.segs
+            way.visible = true
+
+            if way.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 rest
-    unless Way.exists?(params[:id])
-      render :nothing => true, :status => 404
-      return
+  def delete
+    begin
+      way = Way.find(params[:id])
+
+      if way.visible
+        way.user_id = @user.id
+        way.tags = []
+        way.segs = []
+        way.visible = false
+
+        if way.save_with_history
+          render :nothing => true
+        else
+          render :nothing => true, :status => :internal_server_error
+        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 full
+    begin
+      way = Way.find(params[:id])
+
+      if way.visible
+        # 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(',')})")
+
+        # 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()
+        end
+        doc.root << way.to_xml_node()
 
-    way = Way.find(params[:id])
-    case request.method
-   
-    when :get
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
+        render :text => doc.to_s, :content_type => "text/xml"
+      else
+        render :nothing => true, :status => :gone
       end
-      render :text => way.to_xml.to_s
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    rescue
+      render :nothing => true, :status => :internal_server_error
+    end
+  end
 
-    when :delete
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
+  def ways
+    ids = params['ways'].split(',').collect { |w| w.to_i }
+
+    if ids.length > 0
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(ids).each do |way|
+        doc.root << way.to_xml_node
       end
 
-      way.visible = false
-      way.save_with_history
+      render :text => doc.to_s, :content_type => "text/xml"
+    else
+      render :nothing => true, :status => :bad_request
+    end
+  end
+
+  def ways_for_segment
+    wayids = WaySegment.find(:all, :conditions => ['segment_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
+
+    if wayids.length > 0
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(wayids).each do |way|
+        doc.root << way.to_xml_node
+      end
 
+      render :text => doc.to_s, :content_type => "text/xml"
+    else
+      render :nothing => true, :status => :bad_request
     end
   end
 end