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
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
# 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.
# 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)
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"
end
def relations
- if not params['relations']
+ unless params["relations"]
raise OSM::APIBadUserInput.new("The parameter relations is required, and must be of the form relations=id[,id[,id...]]")
end
- ids = params['relations'].split(',').collect { |w| w.to_i }
+ ids = params["relations"].split(",").collect(&:to_i)
- if ids.length == 0
+ if ids.empty?
raise OSM::APIBadUserInput.new("No relations were given to search for")
end
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
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