class RelationController < ApplicationController
- require 'xml/libxml'
+ require "xml/libxml"
skip_before_filter :verify_authenticity_token
before_filter :authorize, :only => [:create, :update, :delete]
assert_method :put
relation = Relation.from_xml(request.raw_post, true)
-
- # We assume that an exception has been thrown if there was an error
+
+ # We assume that an exception has been thrown if there was an error
# generating the relation
- #if relation
+ # if relation
relation.create_with_history @user
render :text => relation.id.to_s, :content_type => "text/plain"
- #else
+ # else
# render :text => "Couldn't get turn the input into a relation.", :status => :bad_request
- #end
+ # 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
+
+ if new_relation && new_relation.id == relation.id
relation.update_from new_relation, @user
render :text => relation.version.to_s, :content_type => "text/plain"
else
- render :nothing => true, :status => :bad_request
+ render :text => "", :status => :bad_request
end
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
- render :nothing => true, :status => :bad_request
+ render :text => "", :status => :bad_request
end
end
# -----------------------------------------------------------------
# full
- #
+ #
# input parameters: id
#
# returns XML representation of one relation object plus all its
# -----------------------------------------------------------------
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 :nothing => true, :status => :gone
+ render :text => "", :status => :gone
end
end
def relations
- ids = params['relations'].split(',').collect { |w| w.to_i }
+ unless params["relations"]
+ fail 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.length == 0
+ fail 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
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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