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=....)
-
- before_filter :authorize
after_filter :compress_output
def search_all
def search_ways
do_search(true,false,false)
end
- def search_segments
+ def search_nodes
do_search(false,true,false)
end
- def search_nodes
+ def search_relations
do_search(false,false,true)
end
-
- def do_search(do_ways,do_segments,do_nodes)
- response.headers["Content-Type"] = 'application/xml'
-
+ def do_search(do_ways,do_nodes,do_relations)
type = params['type']
value = params['value']
- unless type or value
- name = params['name']
- if name
- type = 'name'
- value = name
- end
- end
+ unless type or value
+ name = params['name']
+ if name
+ type = 'name'
+ value = name
+ end
+ end
+
+ if do_nodes
+ response.headers['Error'] = "Searching of nodes is currently unavailable"
+ render :nothing => true, :status => :service_unavailable
+ return false
+ end
+
+ unless value
+ response.headers['Error'] = "Searching for a key without value is currently unavailable"
+ render :nothing => true, :status => :service_unavailable
+ return false
+ end
way_ids = Array.new
ways = Array.new
- segments = Array.new
nodes = Array.new
+ relations = Array.new
- # Matching for tags table
- cond_tbl = Array.new
+ # Matching for node tags table
+ cond_node = Array.new
sql = '1=1'
if type
- sql += ' AND k=?'
- cond_tbl += [type]
+ sql += ' AND current_node_tags.k=?'
+ cond_node += [type]
end
if value
- sql += ' AND v=?'
- cond_tbl += [value]
+ sql += ' AND current_node_tags.v=?'
+ cond_node += [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
-
+ cond_node = [sql] + cond_node
- # 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 }
+ # Matching for way tags table
+ cond_way = Array.new
+ sql = '1=1'
+ if type
+ sql += ' AND current_way_tags.k=?'
+ cond_way += [type]
end
-
- # Now, segments matching
- if do_segments
- segs = Segment.find(:all, :conditions => cond_tags)
+ if value
+ sql += ' AND current_way_tags.v=?'
+ cond_way += [value]
end
+ cond_way = [sql] + cond_way
- # Now, nodes
- if do_nodes
- nodes = Node.find(:all, :conditions => cond_tags)
+ # Matching for relation tags table
+ cond_rel = Array.new
+ sql = '1=1'
+ if type
+ sql += ' AND current_relation_tags.k=?'
+ cond_rel += [type]
+ end
+ if value
+ sql += ' AND current_relation_tags.v=?'
+ cond_rel += [value]
end
+ cond_rel = [sql] + cond_rel
- # Get the remaining objects:
- # Fetch the ways (until now only had their ids)
- ways = Way.find(way_ids)
+ # First up, look for the relations we want
+ if do_relations
+ relations = Relation.find(:all,
+ :joins => "INNER JOIN current_relation_tags ON current_relation_tags.id = current_relations.id",
+ :conditions => cond_rel, :limit => 100)
+ end
- # 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
+ # then ways
+ if do_ways
+ ways = Way.find(:all,
+ :joins => "INNER JOIN current_way_tags ON current_way_tags.id = current_ways.id",
+ :conditions => cond_way, :limit => 100)
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
+ # Now, nodes
+ if do_nodes
+ nodes = Node.find(:all,
+ :joins => "INNER JOIN current_node_tags ON current_node_tags.id = current_nodes.id",
+ :conditions => cond_node, :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
- doc = OSM::API.get_xml_doc
+ # 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()
+ doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
end
- render :text => doc.to_s
+ 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
end
projects / rails.git / blobdiff