openstreetmap-website/app/controllers/api/nodes_controller.rb

81 lines
2.6 KiB
Ruby

# The NodeController is the RESTful interface to Node objects
module Api
class NodesController < ApiController
before_action :check_api_writable, :only => [:create, :update, :destroy]
before_action :authorize, :only => [:create, :update, :destroy]
authorize_resource
before_action :require_public_data, :only => [:create, :update, :destroy]
before_action :set_request_formats, :except => [:create, :update, :destroy]
before_action :check_rate_limit, :only => [:create, :update, :destroy]
# Dump the details on many nodes whose ids are given in the "nodes" parameter.
def index
raise OSM::APIBadUserInput, "The parameter nodes is required, and must be of the form nodes=id[,id[,id...]]" unless params["nodes"]
ids = params["nodes"].split(",").collect(&:to_i)
raise OSM::APIBadUserInput, "No nodes were given to search for" if ids.empty?
@nodes = Node.find(ids)
# Render the result
respond_to do |format|
format.xml
format.json
end
end
# Dump the details on a node given in params[:id]
def show
@node = Node.find(params[:id])
response.last_modified = @node.timestamp
if @node.visible
# Render the result
respond_to do |format|
format.xml
format.json
end
else
head :gone
end
end
# Create a node from XML.
def create
node = Node.from_xml(request.raw_post, :create => true)
# Assume that Node.from_xml has thrown an exception if there is an error parsing the xml
node.create_with_history current_user
render :plain => node.id.to_s
end
# Update a node from given XML
def update
node = Node.find(params[:id])
new_node = Node.from_xml(request.raw_post)
raise OSM::APIBadUserInput, "The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})" unless new_node && new_node.id == node.id
node.update_from(new_node, current_user)
render :plain => node.version.to_s
end
# Delete a node. Doesn't actually delete it, but retains its history
# in a wiki-like way. We therefore treat it like an update, so the delete
# method returns the new version number.
def destroy
node = Node.find(params[:id])
new_node = Node.from_xml(request.raw_post)
raise OSM::APIBadUserInput, "The id in the url (#{node.id}) is not the same as provided in the xml (#{new_node.id})" unless new_node && new_node.id == node.id
node.delete_with_history!(new_node, current_user)
render :plain => node.version.to_s
end
end
end