98 lines
2.7 KiB
Ruby
98 lines
2.7 KiB
Ruby
class SearchController < ApplicationController
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# Support searching for nodes, ways, or all
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# Can search by tag k, v, or both (type->k,value->v)
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# Can search by name (k=name,v=....)
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skip_before_filter :verify_authenticity_token
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after_filter :compress_output
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def search_all
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do_search(true,true,true)
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end
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def search_ways
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do_search(true,false,false)
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end
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def search_nodes
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do_search(false,true,false)
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end
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def search_relations
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do_search(false,false,true)
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end
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def do_search(do_ways,do_nodes,do_relations)
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type = params['type']
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value = params['value']
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unless type or value
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name = params['name']
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if name
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type = 'name'
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value = name
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end
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end
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if do_nodes
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response.headers['Error'] = "Searching of nodes is currently unavailable"
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render :nothing => true, :status => :service_unavailable
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return false
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end
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unless value
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response.headers['Error'] = "Searching for a key without value is currently unavailable"
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render :nothing => true, :status => :service_unavailable
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return false
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end
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# Matching for node tags table
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if do_nodes
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nodes = Node.joins(:node_tags)
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nodes = nodes.where(:current_node_tags => { :k => type }) if type
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nodes = nodes.where(:current_node_tags => { :v => value }) if value
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nodes = nodes.limit(100)
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else
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nodes = Array.new
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end
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# Matching for way tags table
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if do_ways
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ways = Way.joins(:way_tags)
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ways = ways.where(:current_way_tags => { :k => type }) if type
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ways = ways.where(:current_way_tags => { :v => value }) if value
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ways = ways.limit(100)
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else
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ways = Array.new
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end
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# Matching for relation tags table
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if do_relations
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relations = Relation.joins(:relation_tags)
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relations = relations.where(:current_relation_tags => { :k => type }) if type
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relations = relations.where(:current_relation_tags => { :v => value }) if value
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relations = relations.limit(2000)
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else
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relations = Array.new
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end
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# Fetch any node needed for our ways (only have matching nodes so far)
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nodes += Node.find(ways.collect { |w| w.nds }.uniq)
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# Print
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visible_nodes = {}
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changeset_cache = {}
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user_display_name_cache = {}
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doc = OSM::API.new.get_xml_doc
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nodes.each do |node|
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doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
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visible_nodes[node.id] = node
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end
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ways.each do |way|
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doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
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end
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relations.each do |rel|
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doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache)
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end
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render :text => doc.to_s, :content_type => "text/xml"
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end
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end
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