Pluralize nodes, ways and relations controllers

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

diff --git a/app/controllers/nodes_controller.rb b/app/controllers/nodes_controller.rb
new file mode 100644 (file)
index 0000000..baa6d81
--- /dev/null
+++ b/app/controllers/nodes_controller.rb
@@ -0,0 +1,78 @@
+# The NodeController is the RESTful interface to Node objects
+
+class NodesController < ApplicationController
+  require "xml/libxml"
+
+  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
+
+  # Create a node from XML.
+  def create
+    assert_method :put
+
+    node = Node.from_xml(request.raw_post, 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
+
+  # Dump the details on a node given in params[:id]
+  def read
+    node = Node.find(params[:id])
+
+    response.last_modified = node.timestamp
+
+    if node.visible
+      render :xml => node.to_xml.to_s
+    else
+      head :gone
+    end
+  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 delete
+    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
+
+  # Dump the details on many nodes whose ids are given in the "nodes" parameter.
+  def nodes
+    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?
+
+    doc = OSM::API.new.get_xml_doc
+
+    Node.find(ids).each do |node|
+      doc.root << node.to_xml_node
+    end
+
+    render :xml => doc.to_s
+  end
+end