Move node/way/relation/old_* controllers into the api namespace

[rails.git] / app / controllers / api / ways_controller.rb

diff --git a/app/controllers/api/ways_controller.rb b/app/controllers/api/ways_controller.rb
new file mode 100644 (file)
index 0000000..8684c5c
--- /dev/null
+++ b/app/controllers/api/ways_controller.rb
@@ -0,0 +1,120 @@
+module Api
+  class WaysController < ApplicationController
+    require "xml/libxml"
+
+    skip_before_action :verify_authenticity_token
+    before_action :authorize, :only => [:create, :update, :delete]
+    before_action :api_deny_access_handler
+
+    authorize_resource
+
+    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
+      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 current_user
+      render :plain => way.id.to_s
+    end
+
+    def show
+      way = Way.find(params[:id])
+
+      response.last_modified = way.timestamp
+
+      if way.visible
+        render :xml => way.to_xml.to_s
+      else
+        head :gone
+      end
+    end
+
+    def update
+      way = Way.find(params[:id])
+      new_way = Way.from_xml(request.raw_post)
+
+      unless new_way && new_way.id == way.id
+        raise OSM::APIBadUserInput, "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, current_user)
+      render :plain => way.version.to_s
+    end
+
+    # This is the API call to delete a way
+    def delete
+      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, current_user)
+        render :plain => way.version.to_s
+      else
+        head :bad_request
+      end
+    end
+
+    def full
+      way = Way.includes(:nodes => :node_tags).find(params[:id])
+
+      if way.visible
+        visible_nodes = {}
+        changeset_cache = {}
+        user_display_name_cache = {}
+
+        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
+        doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
+
+        render :xml => doc.to_s
+      else
+        head :gone
+      end
+    end
+
+    def index
+      unless params["ways"]
+        raise OSM::APIBadUserInput, "The parameter ways is required, and must be of the form ways=id[,id[,id...]]"
+      end
+
+      ids = params["ways"].split(",").collect(&:to_i)
+
+      raise OSM::APIBadUserInput, "No ways were given to search for" if ids.empty?
+
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(ids).each do |way|
+        doc.root << way.to_xml_node
+      end
+
+      render :xml => doc.to_s
+    end
+
+    ##
+    # 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
+
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(wayids).each do |way|
+        doc.root << way.to_xml_node if way.visible
+      end
+
+      render :xml => doc.to_s
+    end
+  end
+end