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=....)
-
+ skip_before_filter :verify_authenticity_token
after_filter :compress_output
def search_all
- do_search(true,true,true)
+ do_search(true, true, true)
end
def search_ways
- do_search(true,false,false)
- end
- def search_segments
- do_search(false,true,false)
+ do_search(true, false, false)
end
+
def search_nodes
- do_search(false,false,true)
+ do_search(false, true, false)
end
+ def search_relations
+ do_search(false, false, true)
+ end
- def do_search(do_ways,do_segments,do_nodes)
- type = params['type']
- value = params['value']
- unless type or value
- name = params['name']
+ 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'
+ type = "name"
value = name
end
end
- way_ids = Array.new
- ways = Array.new
- segments = Array.new
- nodes = Array.new
-
- # Matching for tags table
- cond_tbl = Array.new
- sql = '1=1'
- if type
- sql += ' AND k=?'
- cond_tbl += [type]
- end
- if value
- sql += ' AND v=?'
- cond_tbl += [value]
- end
- cond_tbl = [sql] + cond_tbl
-
- # Matching for tags column
- if type and value
- cond_tags = ['tags LIKE ? OR tags LIKE ? OR tags LIKE ? OR tags LIKE ?',
- ''+type+'='+value+'',
- ''+type+'='+value+';%',
- '%;'+type+'='+value+';%',
- '%;'+type+'='+value+'' ]
- elsif type
- cond_tags = ['tags LIKE ? OR tags LIKE ?',
- ''+type+'=%',
- '%;'+type+'=%' ]
- elsif value
- cond_tags = ['tags LIKE ? OR tags LIKE ?',
- '%='+value+';%',
- '%='+value+'' ]
- else
- cond_tags = ['1=1']
- end
-
-
- # First up, look for the ids of the ways we want
- if do_ways
- ways_tmp = WayTag.find(:all, :conditions => cond_tbl)
- way_ids = ways_tmp.collect {|way| way.id }
+ if do_nodes
+ response.headers["Error"] = "Searching of nodes is currently unavailable"
+ render :text => "", :status => :service_unavailable
+ return false
end
- # Now, segments matching
- if do_segments
- segs = Segment.find(:all, :conditions => cond_tags)
+ unless value
+ response.headers["Error"] = "Searching for a key without value is currently unavailable"
+ render :text => "", :status => :service_unavailable
+ return false
end
- # Now, nodes
+ # Matching for node tags table
if do_nodes
- nodes = Node.find(:all, :conditions => cond_tags)
+ 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
- # 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
+ # 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
- 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
+ # 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
- nodes += Node.find(node_ids)
+ # 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()
+ doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
+ visible_nodes[node.id] = node
end
- segments.each do |segment|
- doc.root << segment.to_xml_node()
- end
-
ways.each do |way|
- doc.root << way.to_xml_node()
- end
+ 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