X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c8fb5ad24c5751bd2d43b86e4359381d200af066..968447595b19ddfa885e2216acf4fc0b355b5e3e:/app/controllers/relation_controller.rb diff --git a/app/controllers/relation_controller.rb b/app/controllers/relation_controller.rb index 39021218f..587cfce82 100644 --- a/app/controllers/relation_controller.rb +++ b/app/controllers/relation_controller.rb @@ -1,28 +1,22 @@ class RelationController < ApplicationController - require 'xml/libxml' + require "xml/libxml" - skip_before_filter :verify_authenticity_token - before_filter :authorize, :only => [:create, :update, :delete] - before_filter :require_allow_write_api, :only => [:create, :update, :delete] - before_filter :require_public_data, :only => [:create, :update, :delete] - before_filter :check_api_writable, :only => [:create, :update, :delete] - before_filter :check_api_readable, :except => [:create, :update, :delete] - after_filter :compress_output - around_filter :api_call_handle_error, :api_call_timeout + 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 assert_method :put relation = Relation.from_xml(request.raw_post, true) - - # We assume that an exception has been thrown if there was an error - # generating the relation - #if relation + + # Assume that Relation.from_xml has thrown an exception if there is an error parsing the xml relation.create_with_history @user render :text => relation.id.to_s, :content_type => "text/plain" - #else - # render :text => "Couldn't get turn the input into a relation.", :status => :bad_request - #end end def read @@ -40,19 +34,19 @@ class RelationController < ApplicationController relation = Relation.find(params[:id]) new_relation = Relation.from_xml(request.raw_post) - - if new_relation and new_relation.id == relation.id - relation.update_from new_relation, @user - render :text => relation.version.to_s, :content_type => "text/plain" - else - render :text => "", :status => :bad_request + + unless new_relation && new_relation.id == relation.id + raise OSM::APIBadUserInput.new("The id in the url (#{relation.id}) is not the same as provided in the xml (#{new_relation.id})") end + + relation.update_from new_relation, @user + render :text => relation.version.to_s, :content_type => "text/plain" end def delete relation = Relation.find(params[:id]) new_relation = Relation.from_xml(request.raw_post) - if new_relation and new_relation.id == relation.id + if new_relation && new_relation.id == relation.id relation.delete_with_history!(new_relation, @user) render :text => relation.version.to_s, :content_type => "text/plain" else @@ -62,7 +56,7 @@ class RelationController < ApplicationController # ----------------------------------------------------------------- # full - # + # # input parameters: id # # returns XML representation of one relation object plus all its @@ -70,79 +64,86 @@ class RelationController < ApplicationController # ----------------------------------------------------------------- def full relation = Relation.find(params[:id]) - + if relation.visible - + # first find the ids of nodes, ways and relations referenced by this # relation - note that we exclude this relation just in case. - - node_ids = relation.members.select { |m| m[0] == 'Node' }.map { |m| m[1] } - way_ids = relation.members.select { |m| m[0] == 'Way' }.map { |m| m[1] } - relation_ids = relation.members.select { |m| m[0] == 'Relation' and m[1] != relation.id }.map { |m| m[1] } - + + node_ids = relation.members.select { |m| m[0] == "Node" }.map { |m| m[1] } + way_ids = relation.members.select { |m| m[0] == "Way" }.map { |m| m[1] } + relation_ids = relation.members.select { |m| m[0] == "Relation" && m[1] != relation.id }.map { |m| m[1] } + # next load the relations and the ways. - + relations = Relation.where(:id => relation_ids).includes(:relation_tags) ways = Way.where(:id => way_ids).includes(:way_nodes, :way_tags) - - # now additionally collect nodes referenced by ways. Note how we + + # now additionally collect nodes referenced by ways. Note how we # recursively evaluate ways but NOT relations. - - way_node_ids = ways.collect { |way| - way.way_nodes.collect { |way_node| way_node.node_id } - } + + way_node_ids = ways.collect do |way| + way.way_nodes.collect(&:node_id) + end node_ids += way_node_ids.flatten nodes = Node.where(:id => node_ids.uniq).includes(:node_tags) - + # create XML. doc = OSM::API.new.get_xml_doc visible_nodes = {} visible_members = { "Node" => {}, "Way" => {}, "Relation" => {} } changeset_cache = {} user_display_name_cache = {} - + nodes.each do |node| - if node.visible? # should be unnecessary if data is consistent. - doc.root << node.to_xml_node(changeset_cache, user_display_name_cache) - visible_nodes[node.id] = node - visible_members["Node"][node.id] = true - end + next unless node.visible? # should be unnecessary if data is consistent. + + doc.root << node.to_xml_node(changeset_cache, user_display_name_cache) + visible_nodes[node.id] = node + visible_members["Node"][node.id] = true end + ways.each do |way| - if way.visible? # should be unnecessary if data is consistent. - doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache) - visible_members["Way"][way.id] = true - end + next unless way.visible? # should be unnecessary if data is consistent. + + doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache) + visible_members["Way"][way.id] = true end + relations.each do |rel| - if rel.visible? # should be unnecessary if data is consistent. - doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache) - visible_members["Relation"][rel.id] = true - end + next unless rel.visible? # should be unnecessary if data is consistent. + + doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache) + visible_members["Relation"][rel.id] = true end + # finally add self and output doc.root << relation.to_xml_node(visible_members, changeset_cache, user_display_name_cache) render :text => doc.to_s, :content_type => "text/xml" - + else render :text => "", :status => :gone end end def relations - ids = params['relations'].split(',').collect { |w| w.to_i } + unless params["relations"] + raise OSM::APIBadUserInput.new("The parameter relations is required, and must be of the form relations=id[,id[,id...]]") + end - if ids.length > 0 - doc = OSM::API.new.get_xml_doc + ids = params["relations"].split(",").collect(&:to_i) - Relation.find(ids).each do |relation| - doc.root << relation.to_xml_node - end + if ids.empty? + raise OSM::APIBadUserInput.new("No relations were given to search for") + end - render :text => doc.to_s, :content_type => "text/xml" - else - render :text => "You need to supply a comma separated list of ids.", :status => :bad_request + doc = OSM::API.new.get_xml_doc + + Relation.find(ids).each do |relation| + doc.root << relation.to_xml_node end + + render :text => doc.to_s, :content_type => "text/xml" end def relations_for_way @@ -158,7 +159,7 @@ class RelationController < ApplicationController end def relations_for_object(objtype) - relationids = RelationMember.where(:member_type => objtype, :member_id => params[:id]).collect { |ws| ws.relation_id }.uniq + relationids = RelationMember.where(:member_type => objtype, :member_id => params[:id]).collect(&:relation_id).uniq doc = OSM::API.new.get_xml_doc