class SearchController < ApplicationController
- # Support searching for nodes, segments, ways, or all
+ # 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=....)
after_filter :compress_output
def search_all
- do_search(true,true,true)
+ do_search(true,true)
end
def search_ways
- do_search(true,false,false)
- end
- def search_segments
- do_search(false,true,false)
+ do_search(true,false)
end
def search_nodes
- do_search(false,false,true)
+ do_search(false,true)
end
- def do_search(do_ways,do_segments,do_nodes)
- response.headers["Content-Type"] = 'text/xml'
-
+ def do_search(do_ways,do_nodes)
type = params['type']
value = params['value']
unless type or value
way_ids = Array.new
ways = Array.new
- segments = Array.new
nodes = Array.new
# Matching for tags table
cond_tbl = Array.new
- sql = '1=1'
+ sql = 'id IN (SELECT id FROM current_way_tags WHERE 1=1'
if type
sql += ' AND k=?'
cond_tbl += [type]
sql += ' AND v=?'
cond_tbl += [value]
end
+ sql += ')'
cond_tbl = [sql] + cond_tbl
# Matching for tags column
end
- # First up, look for the ids of the ways we want
+ # First up, look for the ways we want
if do_ways
- ways_tmp = WayTag.find(:all, :conditions => cond_tbl)
- way_ids = ways_tmp.collect {|way| way.id }
- end
-
- # Now, segments matching
- if do_segments
- segs = Segment.find(:all, :conditions => cond_tags)
+ ways = Way.find(:all, :conditions => cond_tbl, :limit => 100)
end
# Now, nodes
if do_nodes
- nodes = Node.find(:all, :conditions => cond_tags)
- end
-
- # Get the remaining objects:
- # Fetch the ways (until now only had their ids)
- ways = Way.find(way_ids)
-
- # Fetch any segments needed for our ways (only have matching segments so far)
- seg_ids = Array.new
- ways.each do |way|
- seg_ids += way.segments
- end
- segments += Segment.find(seg_ids)
-
- # Fetch any nodes needed for our segments (only have matching nodes so far)
- node_ids = Array.new
- segments.each do |seg|
- node_ids += seg.node_a
- node_ids += seg.node_b
+ nodes = Node.find(:all, :conditions => cond_tags, :limit => 2000)
end
- nodes += Node.find(node_ids)
+ # Fetch any node needed for our ways (only have matching nodes so far)
+ nodes += Node.find(ways.collect { |w| w.nds }.uniq)
# Print
+ user_display_name_cache = {}
doc = OSM::API.new.get_xml_doc
nodes.each do |node|
- doc.root << node.to_xml_node()
+ doc.root << node.to_xml_node(user_display_name_cache)
end
- segments.each do |segment|
- doc.root << segment.to_xml_node()
- end
-
ways.each do |way|
- doc.root << way.to_xml_node()
+ doc.root << way.to_xml_node(user_display_name_cache)
end
- render :text => doc.to_s
+ render :text => doc.to_s, :content_type => "text/xml"
end
end