# 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)
+ do_search(true,true,true)
end
def search_ways
- do_search(true,false)
+ do_search(true,false,false)
end
def search_nodes
- do_search(false,true)
+ do_search(false,true,false)
+ end
+ def search_relations
+ do_search(false,false,true)
end
-
- def do_search(do_ways,do_nodes)
+ def do_search(do_ways,do_nodes,do_relations)
type = params['type']
value = params['value']
unless type or value
end
end
- way_ids = Array.new
- ways = Array.new
- nodes = Array.new
-
- # Matching for tags table
- cond_tbl = Array.new
- sql = 'id IN (SELECT id FROM current_way_tags WHERE 1=1'
- if type
- sql += ' AND k=?'
- cond_tbl += [type]
+ if do_nodes
+ response.headers['Error'] = "Searching of nodes is currently unavailable"
+ render :nothing => true, :status => :service_unavailable
+ return false
end
- if value
- sql += ' AND v=?'
- cond_tbl += [value]
+
+ unless value
+ response.headers['Error'] = "Searching for a key without value is currently unavailable"
+ render :nothing => true, :status => :service_unavailable
+ return false
end
- sql += ')'
- 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+'' ]
+ # 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
- cond_tags = ['1=1']
+ nodes = Array.new
end
-
- # First up, look for the ways we want
+ # Matching for way tags table
if do_ways
- ways = Way.find(:all, :conditions => cond_tbl, :limit => 100)
+ 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 = Array.new
end
- # Now, nodes
- if do_nodes
- nodes = Node.find(:all, :conditions => cond_tags, :limit => 2000)
+ # 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 = Array.new
end
# Fetch any node needed for our ways (only have matching nodes so far)
nodes += Node.find(ways.collect { |w| w.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(user_display_name_cache)
+ 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(user_display_name_cache)
- 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