X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/07cb7fea1ad9d75ee8a50e89220828d74bf0426d..5bc1730d89053486d39af6923d8ee7132402fe0c:/app/controllers/amf_controller.rb diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb index 452ac8881..c5a7c30ea 100644 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@ -21,24 +21,24 @@ class AmfController < ApplicationController headers.times do # Read each header name=getstring(req) # | - req.getc # | skip boolean + req.getc # | skip boolean value=getvalue(req) # | - header["name"]=value # | + header["name"]=value # | end bodies=getint(req) # Read number of bodies bodies.times do # Read each body - message=getstring(req) # | get message name - index=getstring(req) # | get index in response sequence + message=getstring(req) # | get message name + index=getstring(req) # | get index in response sequence bytes=getlong(req) # | get total size in bytes args=getvalue(req) # | get response (probably an array) case message when 'getpresets'; results[index]=putdata(index,getpresets) - when 'whichways'; results[index]=putdata(index,whichways(args)) + when 'whichways'; results[index]=putdata(index,whichways(args)) when 'getway'; results[index]=putdata(index,getway(args)) when 'putway'; results[index]=putdata(index,putway(args)) - when 'deleteway'; results[index]=putdata(index,deleteway(args)) + when 'deleteway'; results[index]=putdata(index,deleteway(args)) end end @@ -169,10 +169,12 @@ EOF def whichways(args) waylist=WaySegment.find_by_sql("SELECT DISTINCT current_way_segments.id AS wayid"+ - " FROM current_way_segments,current_segments,current_nodes "+ + " FROM current_way_segments,current_segments,current_nodes,current_ways "+ " WHERE segment_id=current_segments.id "+ " AND current_segments.visible=1 "+ " AND node_a=current_nodes.id "+ + " AND current_ways.id=current_way_segments.id "+ + " AND current_ways.visible=1 "+ " AND (latitude BETWEEN "+(args[1].to_f-0.01).to_s+" AND "+(args[3].to_f+0.01).to_s+") "+ " AND (longitude BETWEEN "+(args[0].to_f-0.01).to_s+" AND "+(args[2].to_f+0.01).to_s+")") @@ -187,14 +189,14 @@ EOF " AND cs1.id IS NULL AND cs2.id IS NULL "+ " AND current_nodes.visible=1") - points = pointlist.collect {|a| [a['id'],tag2array(a['tags'])] } # get a list of node ids and their tags + points = pointlist.collect {|a| [a['id'],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 + # returns objectname, array of co-ordinates, attributes, + # xmin,xmax,ymin,ymax def getway(args) objname,wayid,baselong,basey,masterscale=args @@ -224,15 +226,16 @@ EOF 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 + # baselong, basey, masterscale) + # returns current way ID, new way ID, hash of renumbered nodes, + # xmin,xmax,ymin,ymax def putway(args) usertoken,originalway,points,attributes,baselong,basey,masterscale=args uid=getuserid(usertoken) return if !uid db_uqs='uniq'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquesegments table name, typically 51 chars + 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 @@ -247,6 +250,7 @@ EOF id2=row['id2'].to_i; xc[id2]=row['long2'].to_f; yc[id2]=row['lat2'].to_f; tagc[id2]=row['tags2'] seg[row['segment_id'].to_i]=id1.to_s+'-'+id2.to_s } + 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 @@ -275,7 +279,7 @@ EOF if node<0 # new node - create newnode=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes ( latitude,longitude,timestamp,user_id,visible,tags) VALUES ( #{ys},#{xs},#{db_now},#{uid},1,#{tagsql})") - ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{newnode},#{ys},#{xs},#{db_now},#{uid},1,#{tagsql})") + ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{newnode},#{ys},#{xs},#{db_now},#{uid},1,#{tagsql})") points[i][2]=newnode renumberednodes[node.to_s]=newnode.to_s @@ -314,7 +318,7 @@ EOF end end segid=ActiveRecord::Base.connection.insert("INSERT INTO current_segments ( node_a,node_b,timestamp,user_id,visible,tags) VALUES ( #{from},#{to},#{db_now},#{uid},1,'')") - ActiveRecord::Base.connection.insert("INSERT INTO segments (id,node_a,node_b,timestamp,user_id,visible,tags) VALUES (#{segid},#{from},#{to},#{db_now},#{uid},1,'')") + ActiveRecord::Base.connection.insert("INSERT INTO segments (id,node_a,node_b,timestamp,user_id,visible,tags) VALUES (#{segid},#{from},#{to},#{db_now},#{uid},1,'')") points[i+1][5]=segid numberedsegments[(i+1).to_s]=segid.to_s end @@ -329,38 +333,6 @@ EOF createuniquesegments(way,db_uqs) - # a='' - # ActiveRecord::Base.connection.select_values("SELECT segment_id FROM #{db_uqs}").each {|b| a+=b+',' } - # RAILS_DEFAULT_LOGGER.error("Unique segments are #{a}") - # a=ActiveRecord::Base.connection.select_value("SELECT #{db_now}") - # RAILS_DEFAULT_LOGGER.error("Timestamp of this edit is #{a}") - # RAILS_DEFAULT_LOGGER.error("Userid of this edit is #{uid}") - - # delete nodes from uniquesegments (and not in modified way) - - sql=<<-EOF - INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible) - SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 - FROM current_nodes AS cn, - current_segments AS cs, - #{db_uqs} AS us - WHERE(cn.id=cs.node_a OR cn.id=cs.node_b) - AND cs.id=us.segment_id AND cs.visible=1 - AND (cn.timestamp!=#{db_now} OR cn.user_id!=#{uid}) - EOF - ActiveRecord::Base.connection.insert(sql) - - sql=<<-EOF - UPDATE current_nodes AS cn, - current_segments AS cs, - #{db_uqs} AS us - SET cn.timestamp=#{db_now},cn.visible=0,cn.user_id=#{uid} - WHERE (cn.id=cs.node_a OR cn.id=cs.node_b) - AND cs.id=us.segment_id AND cs.visible=1 - AND (cn.timestamp!=#{db_now} OR cn.user_id!=#{uid}) - EOF - ActiveRecord::Base.connection.update(sql) - # delete segments from uniquesegments (and not in modified way) sql=<<-EOF @@ -379,7 +351,28 @@ EOF AND (cs.timestamp!=#{db_now} OR cs.user_id!=#{uid}) EOF ActiveRecord::Base.connection.update(sql) + + # delete nodes not in modified way or any other segments + + createuniquenodes(db_uqs,db_uqn) + + sql=<<-EOF + INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible) + SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 + 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) + ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}") + ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}") # insert new version of route into way_segments @@ -420,65 +413,66 @@ EOF end # ----- deleteway (user token, way) - # returns way ID only + # returns way ID only def deleteway(args) usertoken,way=args uid=getuserid(usertoken); if !uid then return end - way=way.to_i - - db_uqs='uniq'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquesegments table name, typically 51 chars - db_now='@now'+uid.to_s+way.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()") - createuniquesegments(way,db_uqs) - - sql=<<-EOF - INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible) - SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 - FROM current_nodes AS cn, - current_segments AS cs, - #{db_uqs} AS us - WHERE (cn.id=cs.node_a OR cn.id=cs.node_b) - AND cs.id=us.segment_id - EOF - ActiveRecord::Base.connection.insert(sql) + way=way.to_i - sql=<<-EOF - UPDATE current_nodes AS cn, - current_segments AS cs, - #{db_uqs} AS us - SET cn.timestamp=#{db_now},cn.visible=0,cn.user_id=#{uid} - WHERE (cn.id=cs.node_a OR cn.id=cs.node_b) - AND cs.id=us.segment_id - EOF - ActiveRecord::Base.connection.update(sql) + db_uqs='uniq'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquesegments table name, typically 51 chars + db_uqn='unin'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s # temp uniquenodes table name, typically 51 chars + db_now='@now'+uid.to_s+way.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()") + createuniquesegments(way,db_uqs) - # - delete any otherwise unused segments + # - delete any otherwise unused segments - sql=<<-EOF + sql=<<-EOF INSERT INTO segments (id,node_a,node_b,timestamp,user_id,visible) SELECT DISTINCT segment_id,node_a,node_b,#{db_now},#{uid},0 FROM current_segments AS cs, #{db_uqs} AS us WHERE cs.id=us.segment_id EOF - ActiveRecord::Base.connection.insert(sql) + ActiveRecord::Base.connection.insert(sql) - sql=<<-EOF + sql=<<-EOF UPDATE current_segments AS cs, #{db_uqs} AS us SET cs.timestamp=#{db_now},cs.visible=0,cs.user_id=#{uid} WHERE cs.id=us.segment_id EOF - ActiveRecord::Base.connection.update(sql) - ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}") + ActiveRecord::Base.connection.update(sql) - # - delete way + # - delete any unused nodes + + createuniquenodes(db_uqs,db_uqn) - ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},0)") - ActiveRecord::Base.connection.update("UPDATE current_ways SET user_id=#{uid},timestamp=#{db_now},visible=0 WHERE id=#{way}") - ActiveRecord::Base.connection.execute("DELETE FROM current_way_segments WHERE id=#{way}") - ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}") + sql=<<-EOF + INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible) + SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 + FROM current_nodes AS cn,#{db_uqn} + WHERE cn.id=node_id + EOF + ActiveRecord::Base.connection.insert(sql) - way + 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) + + ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}") + ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}") + + # - delete way + + ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},0)") + ActiveRecord::Base.connection.update("UPDATE current_ways SET user_id=#{uid},timestamp=#{db_now},visible=0 WHERE id=#{way}") + ActiveRecord::Base.connection.execute("DELETE FROM current_way_segments WHERE id=#{way}") + ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}") + + way end # ==================================================================== @@ -490,11 +484,14 @@ def readwayquery(id) " FROM current_way_segments,current_segments,current_nodes AS n1,current_nodes AS n2 "+ " WHERE current_way_segments.id=#{id} "+ " AND segment_id=current_segments.id "+ + " AND current_segments.visible=1 "+ " AND n1.id=node_a and n2.id=node_b "+ + " AND n1.visible=1 AND n2.visible=1 "+ " ORDER BY sequence_id" end def createuniquesegments(way,uqs_name) + # Finds segments which appear in this way and no other sql=<<-EOF CREATE TEMPORARY TABLE #{uqs_name} SELECT a.segment_id @@ -508,6 +505,24 @@ def createuniquesegments(way,uqs_name) ActiveRecord::Base.connection.execute(sql) end +def createuniquenodes(uqs_name,uqn_name) + # Finds nodes which appear in uniquesegments but no other segments + sql=<<-EOF + CREATE TEMPORARY TABLE #{uqn_name} + SELECT DISTINCT node_id + FROM (SELECT cn.id AS node_id + FROM current_nodes AS cn, + current_segments AS cs, + #{uqs_name} AS us + WHERE cs.id=us.segment_id + AND (cn.id=cs.node_a OR cn.id=cs.node_b)) AS n + LEFT JOIN current_segments AS cs2 ON node_id=cs2.node_a AND cs2.visible=1 + LEFT JOIN current_segments AS cs3 ON node_id=cs3.node_b AND cs3.visible=1 + WHERE cs2.node_a IS NULL + AND cs3.node_b IS NULL + EOF + ActiveRecord::Base.connection.execute(sql) +end def sqlescape(a) a.gsub("'","''").gsub(92.chr,92.chr+92.chr)