openstreetmap-website/app/controllers/search_controller.rb
Tom Hughes 9fb8f5a84b Drop the old output_compression plugin
The production servers all have mod_deflate enabled anyway, which
almost certainly does a better job of compression than this.
2015-03-01 10:52:28 +00:00

99 lines
2.7 KiB
Ruby

class SearchController < ApplicationController
# Support searching for nodes, ways, or all
# Can search by tag k, v, or both (type->k,value->v)
# Can search by name (k=name,v=....)
skip_before_action :verify_authenticity_token
def search_all
do_search(true, true, true)
end
def search_ways
do_search(true, false, false)
end
def search_nodes
do_search(false, true, false)
end
def search_relations
do_search(false, false, true)
end
def do_search(do_ways, do_nodes, do_relations)
type = params["type"]
value = params["value"]
unless type || value
name = params["name"]
if name
type = "name"
value = name
end
end
if do_nodes
response.headers["Error"] = "Searching of nodes is currently unavailable"
render :text => "", :status => :service_unavailable
return false
end
unless value
response.headers["Error"] = "Searching for a key without value is currently unavailable"
render :text => "", :status => :service_unavailable
return false
end
# Matching for node tags table
if do_nodes
nodes = Node.joins(:node_tags)
nodes = nodes.where(:current_node_tags => { :k => type }) if type
nodes = nodes.where(:current_node_tags => { :v => value }) if value
nodes = nodes.limit(100)
else
nodes = []
end
# Matching for way tags table
if do_ways
ways = Way.joins(:way_tags)
ways = ways.where(:current_way_tags => { :k => type }) if type
ways = ways.where(:current_way_tags => { :v => value }) if value
ways = ways.limit(100)
else
ways = []
end
# Matching for relation tags table
if do_relations
relations = Relation.joins(:relation_tags)
relations = relations.where(:current_relation_tags => { :k => type }) if type
relations = relations.where(:current_relation_tags => { :v => value }) if value
relations = relations.limit(2000)
else
relations = []
end
# Fetch any node needed for our ways (only have matching nodes so far)
nodes += Node.find(ways.collect(&:nds).uniq)
# Print
visible_nodes = {}
changeset_cache = {}
user_display_name_cache = {}
doc = OSM::API.new.get_xml_doc
nodes.each do |node|
doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
visible_nodes[node.id] = node
end
ways.each do |way|
doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
end
relations.each do |rel|
doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache)
end
render :text => doc.to_s, :content_type => "text/xml"
end
end