class WayController < ApplicationController
- require 'xml/libxml'
+ require "xml/libxml"
- before_filter :authorize, :only => [:create, :update, :delete]
- after_filter :compress_output
+ skip_before_action :verify_authenticity_token
+ before_action :authorize, :only => [:create, :update, :delete]
+ before_action :require_allow_write_api, :only => [:create, :update, :delete]
+ before_action :require_public_data, :only => [:create, :update, :delete]
+ before_action :check_api_writable, :only => [:create, :update, :delete]
+ before_action :check_api_readable, :except => [:create, :update, :delete]
+ around_action :api_call_handle_error, :api_call_timeout
def create
- if request.put?
- way = Way.from_xml(request.raw_post, true)
-
- if way
- if !way.preconditions_ok?
- render :nothing => true, :status => :precondition_failed
- else
- 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
- else
- render :nothing => true, :status => :bad_request
- end
- else
- render :nothing => true, :status => :method_not_allowed
- end
+ assert_method :put
+
+ way = Way.from_xml(request.raw_post, true)
+
+ # Assume that Way.from_xml has thrown an exception if there is an error parsing the xml
+ way.create_with_history @user
+ render :text => way.id.to_s, :content_type => "text/plain"
end
def read
- begin
- way = Way.find(params[:id])
+ 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
+ response.last_modified = way.timestamp
+
+ if way.visible
+ render :text => way.to_xml.to_s, :content_type => "text/xml"
+ else
+ render :text => "", :status => :gone
end
end
def update
- begin
- way = Way.find(params[:id])
-
- 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
+ way = Way.find(params[:id])
+ new_way = Way.from_xml(request.raw_post)
+
+ unless new_way && new_way.id == way.id
+ fail OSM::APIBadUserInput.new("The id in the url (#{way.id}) is not the same as provided in the xml (#{new_way.id})")
end
+
+ way.update_from(new_way, @user)
+ render :text => way.version.to_s, :content_type => "text/plain"
end
+ # This is the API call to delete a way
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
+ way = Way.find(params[:id])
+ new_way = Way.from_xml(request.raw_post)
+
+ if new_way && new_way.id == way.id
+ way.delete_with_history!(new_way, @user)
+ render :text => way.version.to_s, :content_type => "text/plain"
+ else
+ render :text => "", :status => :bad_request
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.includes(:nodes => :node_tags).find(params[:id])
+
+ if way.visible
+ visible_nodes = {}
+ changeset_cache = {}
+ user_display_name_cache = {}
- render :text => doc.to_s, :content_type => "text/xml"
- else
- render :nothing => true, :status => :gone
+ doc = OSM::API.new.get_xml_doc
+ way.nodes.uniq.each do |node|
+ if node.visible
+ doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
+ visible_nodes[node.id] = node
+ end
end
- rescue ActiveRecord::RecordNotFound
- render :nothing => true, :status => :not_found
- rescue
- render :nothing => true, :status => :internal_server_error
+ doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
+
+ render :text => doc.to_s, :content_type => "text/xml"
+ else
+ render :text => "", :status => :gone
end
end
def ways
- ids = params['ways'].split(',').collect { |w| w.to_i }
+ unless params["ways"]
+ fail OSM::APIBadUserInput.new("The parameter ways is required, and must be of the form ways=id[,id[,id...]]")
+ end
- if ids.length > 0
- doc = OSM::API.new.get_xml_doc
+ ids = params["ways"].split(",").collect(&:to_i)
- Way.find(ids).each do |way|
- doc.root << way.to_xml_node
- end
+ if ids.length == 0
+ fail OSM::APIBadUserInput.new("No ways were given to search for")
+ end
- render :text => doc.to_s, :content_type => "text/xml"
- else
- render :nothing => true, :status => :bad_request
+ doc = OSM::API.new.get_xml_doc
+
+ Way.find(ids).each do |way|
+ doc.root << way.to_xml_node
end
+
+ render :text => doc.to_s, :content_type => "text/xml"
end
- def ways_for_segment
- wayids = WaySegment.find(:all, :conditions => ['segment_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
+ ##
+ # returns all the ways which are currently using the node given in the
+ # :id parameter. note that this used to return deleted ways as well, but
+ # this seemed not to be the expected behaviour, so it was removed.
+ def ways_for_node
+ wayids = WayNode.where(:node_id => params[:id]).collect { |ws| ws.id[0] }.uniq
- if wayids.length > 0
- doc = OSM::API.new.get_xml_doc
+ 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
+ Way.find(wayids).each do |way|
+ doc.root << way.to_xml_node if way.visible
end
+
+ render :text => doc.to_s, :content_type => "text/xml"
end
end