+++ /dev/null
-module Api
- class SearchController < ApiController
- # 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=....)
- authorize_resource :class => false
-
- 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"
- head :service_unavailable
- return false
- end
-
- unless value
- response.headers["Error"] = "Searching for a key without value is currently unavailable"
- head :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(changeset_cache, user_display_name_cache)
- end
-
- render :xml => doc.to_s
- end
- end
-end