- # compare node
- if node<0
- # new node - create
- if renumberednodes[node.to_s].nil?
- newnode=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes ( latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES ( #{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
- ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newnode},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
- points[i][2]=newnode
- nodelist.push(newnode)
- renumberednodes[node.to_s]=newnode.to_s
- else
- points[i][2]=renumberednodes[node.to_s].to_i
- end
-
- elsif xc.has_key?(node)
- nodelist.push(node)
- # old node from original way - update
- if ((xs/0.0000001).round!=(xc[node]/0.0000001).round or (ys/0.0000001).round!=(yc[node]/0.0000001).round or tagstr!=tagc[node] or vc[node]==0)
- ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{node},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
- ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},tags=#{tagsql},visible=1,tile=#{tile} WHERE id=#{node}")
- end
- else
- # old node, created in another way and now added to this way
- end
- end
-
-
- # -- 6a. delete any nodes not in modified way
-
- createuniquenodes(way,db_uqn,nodelist) # nodes which appear in this way but no other
-
- sql=<<-EOF
- INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile)
- SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile
- FROM current_nodes AS cn,#{db_uqn}
- WHERE cn.id=node_id
- EOF
- ActiveRecord::Base.connection.insert(sql)
-
- sql=<<-EOF
- UPDATE current_nodes AS cn, #{db_uqn}
- SET cn.timestamp=#{db_now},cn.visible=0,cn.user_id=#{uid}
- WHERE cn.id=node_id
- EOF
- ActiveRecord::Base.connection.update(sql)
-
- deleteuniquenoderelations(db_uqn,uid,db_now)
- ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}")
-
- # 6b. insert new version of route into way_nodes
-
- insertsql =''
- currentsql=''
- sequence =1
- points.each do |p|
- if insertsql !='' then insertsql +=',' end
- if currentsql!='' then currentsql+=',' end
- insertsql +="(#{way},#{p[2]},#{sequence},#{version})"
- currentsql+="(#{way},#{p[2]},#{sequence})"
- sequence +=1
- end
-
- ActiveRecord::Base.connection.execute("DELETE FROM current_way_nodes WHERE id=#{way}");
- ActiveRecord::Base.connection.insert( "INSERT INTO way_nodes (id,node_id,sequence_id,version) VALUES #{insertsql}");
- ActiveRecord::Base.connection.insert( "INSERT INTO current_way_nodes (id,node_id,sequence_id ) VALUES #{currentsql}");
-
- # -- 7. insert new way tags