- }
- end
- return [presets,presetmenus,presetnames]
- end
-
- # ----- whichways(left,bottom,right,top)
- # return array of ways in current bounding box
- # at present, instead of using correct (=more complex) SQL to find
- # corner-crossing ways, it simply enlarges the bounding box by +/- 0.01
-
- def whichways(args)
- xmin = args[0].to_f-0.01
- ymin = args[1].to_f-0.01
- xmax = args[2].to_f+0.01
- ymax = args[3].to_f+0.01
- baselong = args[4]
- basey = args[5]
- masterscale = args[6]
-
- RAILS_DEFAULT_LOGGER.info(" Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}")
-
- waylist = ActiveRecord::Base.connection.select_all("SELECT DISTINCT current_way_nodes.id AS wayid"+
- " FROM current_way_nodes,current_nodes,current_ways "+
- " WHERE current_nodes.id=current_way_nodes.node_id "+
- " AND current_nodes.visible=1 "+
- " AND current_ways.id=current_way_nodes.id "+
- " AND current_ways.visible=1 "+
- " AND "+OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes."))
-
- ways = waylist.collect {|a| a['wayid'].to_i } # get an array of way id's
-
- pointlist = ActiveRecord::Base.connection.select_all("SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lng,current_nodes.tags "+
- " FROM current_nodes "+
- " LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id "+
- " WHERE "+OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")+
- " AND cwn.id IS NULL "+
- " AND current_nodes.visible=1")
-
- points = pointlist.collect {|a| [a['id'],long2coord(a['lng'].to_f,baselong,masterscale),lat2coord(a['lat'].to_f,basey,masterscale),tag2array(a['tags'])] } # get a list of node ids and their tags
-
- return [ways,points]
- end
-
- # ----- getway (objectname, way, baselong, basey, masterscale)
- # returns objectname, array of co-ordinates, attributes,
- # xmin,xmax,ymin,ymax
-
- def getway(args)
- objname,wayid,baselong,basey,masterscale=args
- wayid = wayid.to_i
- points = []
- lastid = -1
- xmin = ymin = 999999
- xmax = ymax = -999999
-
- RAILS_DEFAULT_LOGGER.info(" Message: getway, id=#{wayid}")
-
- readwayquery(wayid).each {|row|
- points<<[long2coord(row['longitude'].to_f,baselong,masterscale),lat2coord(row['latitude'].to_f,basey,masterscale),row['id'].to_i,nil,tag2array(row['tags'])]
- xmin = [xmin,row['longitude'].to_f].min
- xmax = [xmax,row['longitude'].to_f].max
- ymin = [ymin,row['latitude'].to_f].min
- ymax = [ymax,row['latitude'].to_f].max
- }
-
- attributes={}
- attrlist=ActiveRecord::Base.connection.select_all "SELECT k,v FROM current_way_tags WHERE id=#{wayid}"
- attrlist.each {|a| attributes[a['k'].gsub(':','|')]=a['v'] }
-
- [objname,points,attributes,xmin,xmax,ymin,ymax]
- end
-
- # ----- putway (user token, way, array of co-ordinates, array of attributes,
- # baselong, basey, masterscale)
- # returns current way ID, new way ID, hash of renumbered nodes,
- # xmin,xmax,ymin,ymax
-
- def putway(args)
- RAILS_DEFAULT_LOGGER.info(" putway started")
- usertoken,originalway,points,attributes,baselong,basey,masterscale=args
- uid=getuserid(usertoken)
- return if !uid
- RAILS_DEFAULT_LOGGER.info(" putway authenticated happily")
- db_uqn='unin'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquenodes table name, typically 51 chars
- db_now='@now'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s # 'now' variable name, typically 51 chars
- ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
- originalway=originalway.to_i
-
- RAILS_DEFAULT_LOGGER.info(" Message: putway, id=#{originalway}")
-
- # -- 3. read original way into memory
-
- xc={}; yc={}; tagc={}
- if originalway>0
- way=originalway
- readwayquery(way).each { |row|
- id=row['id'].to_i
- xc[id]=row['longitude'].to_f
- yc[id]=row['latitude' ].to_f
- tagc[id]=row['tags']
- }
- ActiveRecord::Base.connection.update("UPDATE current_ways SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id=#{way}")
- else
- way=ActiveRecord::Base.connection.insert("INSERT INTO current_ways (user_id,timestamp,visible) VALUES (#{uid},#{db_now},1)")
- end
-
- # -- 4. get version by inserting new row into ways
-
- version=ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},1)")
-
- # -- 5. compare nodes and update xmin,xmax,ymin,ymax
-
- xmin=ymin= 999999
- xmax=ymax=-999999
- insertsql=''
- renumberednodes={}
- nodelist=[]
-
- points.each_index do |i|
- xs=coord2long(points[i][0],masterscale,baselong)
- ys=coord2lat(points[i][1],masterscale,basey)
- xmin=[xs,xmin].min; xmax=[xs,xmax].max
- ymin=[ys,ymin].min; ymax=[ys,ymax].max
- node=points[i][2].to_i
- tagstr=array2tag(points[i][4])
- tagsql="'"+sqlescape(tagstr)+"'"
- lat=(ys * 10000000).round
- long=(xs * 10000000).round
- tile=QuadTile.tile_for_point(ys, xs)
-
- # 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!=xc[node] or (ys/0.0000001).round!=(yc[node]/0.0000001).round or tagstr!=tagc[node])
- 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}")
projects / rails.git / blobdiff