X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/5ef2e8f6616a6e6e931cfe760cffd2228a78ed20..9ff99966676e65533f8f90a278f678769a6f8b45:/app/controllers/amf_controller.rb diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb index 7b2cba701..e11d7e4e5 100644 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@ -1,6 +1,9 @@ class AmfController < ApplicationController require 'stringio' + session :off + before_filter :check_availability + # to log: # RAILS_DEFAULT_LOGGER.error("Args: #{args[0]}, #{args[1]}, #{args[2]}, #{args[3]}") @@ -34,24 +37,29 @@ class AmfController < ApplicationController 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 'getway'; results[index]=putdata(index,getway(args)) - when 'putway'; results[index]=putdata(index,putway(args)) - when 'deleteway'; results[index]=putdata(index,deleteway(args)) + when 'getpresets'; results[index]=putdata(index,getpresets) + 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 'makeway'; results[index]=putdata(index,makeway(args)) + when 'putpoi'; results[index]=putdata(index,putpoi(args)) + when 'getpoi'; results[index]=putdata(index,getpoi(args)) end end # ------------------ # Write out response - response.headers["Content-Type"]="application/x-amf" + RAILS_DEFAULT_LOGGER.info(" Response: start") a,b=results.length.divmod(256) - ans=0.chr+0.chr+0.chr+0.chr+a.chr+b.chr - results.each do |k,v| - ans+=v - end - render :text => ans + render :content_type => "application/x-amf", :text => proc { |response, output| + output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr + results.each do |k,v| + output.write(v) + end + } + RAILS_DEFAULT_LOGGER.info(" Response: end") end @@ -60,16 +68,18 @@ class AmfController < ApplicationController # ==================================================================== # Remote calls - # ----- getpresets - # return presets,presetmenus and presetnames arrays + # ----- getpresets + # return presets,presetmenus and presetnames arrays def getpresets presets={} - presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[] - presetnames={}; presetnames['point']={}; presetnames['way']={} + presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[]; presetmenus['POI']=[] + presetnames={}; presetnames['point']={}; presetnames['way']={}; presetnames['POI']={} presettype='' presetcategory='' + RAILS_DEFAULT_LOGGER.info(" Message: getpresets") + # File.open("config/potlatch/presets.txt") do |file| # Temporary patch to get around filepath problem @@ -89,8 +99,8 @@ unclassified road: highway=unclassified,name=(type road name) way/footway footpath: highway=footway,foot=yes -bridleway: highway=bridleway,foot=yes,horse=yes,bicycle=yes -byway: highway=byway,foot=yes,horse=yes,bicycle=yes,motorcar=yes +bridleway: highway=bridleway,foot=yes +byway: highway=unsurfaced,foot=yes permissive path: highway=footway,foot=permissive way/cycleway @@ -115,6 +125,10 @@ preserved railway: railway=preserved disused railway tracks: railway=disused course of old railway: railway=abandoned +way/natural +lake: landuse=water +forest: landuse=forest + point/road mini roundabout: highway=mini_roundabout traffic lights: highway=traffic_signals @@ -139,6 +153,30 @@ point/railway station: railway=station viaduct: railway=viaduct level crossing: railway=crossing + +point/natural +peak: point=peak + +POI/road +car park: amenity=parking +petrol station: amenity=fuel + +POI/place +city: place=city,name=(type name here),is_in=(type region or county) +town: place=town,name=(type name here),is_in=(type region or county) +suburb: place=suburb,name=(type name here),is_in=(type region or county) +village: place=village,name=(type name here),is_in=(type region or county) +hamlet: place=hamlet,name=(type name here),is_in=(type region or county) + +POI/tourism +attraction: tourism=attraction,amenity=,religion=,denomination= +church: tourism=,amenity=place_of_worship,name=(type name here),religion=Christian,denomination=(type denomination here) +hotel: tourism=hotel,amenity=,religion=,denomination= +other religious: tourism=,amenity=place_of_worship,name=(type name here),religion=(type religion),denomation= +pub: tourism=,amenity=pub,name=(type name here),religion=,denomination= + +POI/natural +peak: point=peak EOF StringIO.open(txt) do |file| @@ -162,12 +200,22 @@ EOF 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 + # ----- 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=WaySegment.find_by_sql("SELECT DISTINCT current_way_segments.id AS wayid"+ " FROM current_way_segments,current_segments,current_nodes,current_ways "+ " WHERE segment_id=current_segments.id "+ @@ -175,28 +223,28 @@ EOF " 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+")") + " AND (latitude BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+ + " AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+")") 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.tags "+ + pointlist =ActiveRecord::Base.connection.select_all("SELECT current_nodes.id,latitude,longitude,current_nodes.tags "+ " FROM current_nodes "+ " LEFT OUTER JOIN current_segments cs1 ON cs1.node_a=current_nodes.id "+ " LEFT OUTER JOIN current_segments cs2 ON cs2.node_b=current_nodes.id "+ - " WHERE (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+") "+ + " WHERE (latitude BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+ + " AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+") "+ " 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'],long2coord(a['longitude'].to_f,baselong,masterscale),lat2coord(a['latitude'].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 + # ----- 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 @@ -206,6 +254,8 @@ EOF xmin = ymin = 999999 xmax = ymax = -999999 + RAILS_DEFAULT_LOGGER.info(" Message: getway, id=#{wayid}") + readwayquery(wayid).each {|row| xs1=long2coord(row['long1'].to_f,baselong,masterscale); ys1=lat2coord(row['lat1'].to_f,basey,masterscale) xs2=long2coord(row['long2'].to_f,baselong,masterscale); ys2=lat2coord(row['lat2'].to_f,basey,masterscale) @@ -240,6 +290,8 @@ EOF 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={}; seg={} @@ -263,7 +315,7 @@ EOF xmin = ymin = 999999 xmax = ymax = -999999 - insertsql = nodelist = '' + insertsql = '' renumberednodes={} points.each_index do |i| @@ -273,65 +325,65 @@ EOF ymin=[ys,ymin].min; ymax=[ys,ymax].max node=points[i][2].to_i tagstr=array2tag(points[i][4]) + tagstr=tagstr.gsub(/[\000-\037]/,"") tagsql="'"+sqlescape(tagstr)+"'" # compare node 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})") - points[i][2]=newnode - renumberednodes[node.to_s]=newnode.to_s + if renumberednodes[node.to_s].nil? + 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})") + points[i][2]=newnode + renumberednodes[node.to_s]=newnode.to_s + else + points[i][2]=renumberednodes[node.to_s].to_i + end elsif xc.has_key?(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) VALUES (#{node},#{ys},#{xs},#{db_now},#{uid},1,#{tagsql})") ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{ys},longitude=#{xs},timestamp=#{db_now},user_id=#{uid},tags=#{tagsql},visible=1 WHERE id=#{node}") - else - if (nodelist!='') then nodelist+=',' end; nodelist+=node.to_s end else # old node, created in another way and now added to this way - if (nodelist!='') then nodelist+=',' end; nodelist+=node.to_s end end - if nodelist!='' then - ActiveRecord::Base.connection.update("UPDATE current_nodes SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id IN (#{nodelist})") - end # -- 6.i compare segments numberedsegments={} - seglist='' + seglist='' # list of existing segments that we want to keep for i in (0..(points.length-2)) if (points[i+1][3].to_i==0) then next end segid=points[i+1][5].to_i from =points[i ][2].to_i to =points[i+1][2].to_i if seg.has_key?(segid) + # if segment exists, check it still refers to the same nodes if seg[segid]=="#{from}-#{to}" then if (seglist!='') then seglist+=',' end; seglist+=segid.to_s next end + elsif segid>0 + # not in previous version of way, but supplied, so assume + # that it's come from makeway (i.e. unwayed segments) + if (seglist!='') then seglist+=',' end; seglist+=segid.to_s + next 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,'')") points[i+1][5]=segid numberedsegments[(i+1).to_s]=segid.to_s end - # numberedsegments.each{|a,b| RAILS_DEFAULT_LOGGER.error("Sending back: seg no. #{a} -> id #{b}") } - - if seglist!='' then - ActiveRecord::Base.connection.update("UPDATE current_segments SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id IN (#{seglist})") - end # -- 6.ii insert new way segments - createuniquesegments(way,db_uqs) + createuniquesegments(way,db_uqs,seglist) # segments which appear in this way but no other # delete segments from uniquesegments (and not in modified way) @@ -340,7 +392,6 @@ EOF 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 AND cs.visible=1 - AND (cs.timestamp!=#{db_now} OR cs.user_id!=#{uid}) EOF ActiveRecord::Base.connection.insert(sql) @@ -348,13 +399,12 @@ 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 AND cs.visible=1 - 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) + createuniquenodes(db_uqs,db_uqn) # nodes which appear in this way but no other sql=<<-EOF INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible) @@ -397,11 +447,13 @@ EOF insertsql ='' currentsql='' attributes.each do |k,v| - if v=='' then next end + if v=='' or v.nil? then next end if v[0,6]=='(type ' then next end if insertsql !='' then insertsql +=',' end if currentsql!='' then currentsql+=',' end - insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',version)" + k=k.gsub(/[\000-\037]/,"") + v=v.gsub(/[\000-\037]/,"") + insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',#{version})" currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')" end @@ -412,11 +464,57 @@ EOF [originalway,way,renumberednodes,numberedsegments,xmin,xmax,ymin,ymax] end + # ----- putpoi (user token, id, x,y,tag array,visible,baselong,basey,masterscale) + # returns current id, new id + # if new: add new row to current_nodes and nodes + # if old: add new row to nodes, update current_nodes + + def putpoi(args) + usertoken,id,x,y,tags,visible,baselong,basey,masterscale=args + uid=getuserid(usertoken) + return if !uid + db_now='@now'+uid.to_s+id.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()") + + id=id.to_i + visible=visible.to_i + x=coord2long(x.to_f,masterscale,baselong) + y=coord2lat(y.to_f,masterscale,basey) + tagsql="'"+sqlescape(array2tag(tags))+"'" + + if (id>0) then + ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{id},#{y},#{x},#{db_now},#{uid},#{visible},#{tagsql})"); + ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{y},longitude=#{x},timestamp=#{db_now},user_id=#{uid},visible=#{visible},tags=#{tagsql} WHERE id=#{id}"); + newid=id + else + newid=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{y},#{x},#{db_now},#{uid},#{visible},#{tagsql})"); + ActiveRecord::Base.connection.update("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{newid},#{y},#{x},#{db_now},#{uid},#{visible},#{tagsql})"); + end + [id,newid] + end + + # ----- getpoi (id,baselong,basey,masterscale) + # returns id,x,y,tag array + + def getpoi(args) + id,baselong,basey,masterscale=args; id=id.to_i + poi=ActiveRecord::Base.connection.select_one("SELECT latitude,longitude,tags "+ + "FROM current_nodes WHERE visible=1 AND id=#{id}") + if poi.nil? then return [nil,nil,nil,''] end + [id, + long2coord(poi['longitude'].to_f,baselong,masterscale), + lat2coord(poi['latitude'].to_f,basey,masterscale), + tag2array(poi['tags'])] + end + # ----- deleteway (user token, way) # returns way ID only def deleteway(args) usertoken,way=args + + RAILS_DEFAULT_LOGGER.info(" Message: deleteway, id=#{way}") + uid=getuserid(usertoken); if !uid then return end way=way.to_i @@ -424,7 +522,7 @@ EOF 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) + createuniquesegments(way,db_uqs,'') # - delete any otherwise unused segments @@ -475,6 +573,154 @@ EOF way end +# ----- makeway(x,y,baselong,basey,masterscale) +# returns way made from unwayed segments + +def makeway(args) + usertoken,x,y,baselong,basey,masterscale=args + uid=getuserid(usertoken) + return if !uid + + points=[] + toreverse=[] # segments to reverse + nodesused={} # so we don't go over the same node twice + + # - find start point near x + + xc=coord2long(x,masterscale,baselong) + yc=coord2lat(y,masterscale,basey) + + RAILS_DEFAULT_LOGGER.info(" Message: makeway, xc=#{xc}, y=#{yc}") + + xs1=xc-0.001; xs2=xc+0.001 + ys1=yc-0.001; ys2=yc+0.001 + + sql=<<-EOF + SELECT cn1.latitude AS lat1,cn1.longitude AS lon1,cn1.id AS id1, + cn2.latitude AS lat2,cn2.longitude AS lon2,cn2.id AS id2, cs.id AS segid + FROM current_nodes AS cn1, + current_nodes AS cn2, + current_segments AS cs + LEFT OUTER JOIN current_way_segments ON segment_id=cs.id + WHERE (cn1.longitude BETWEEN #{xs1} AND #{xs2}) + AND (cn1.latitude BETWEEN #{ys1} AND #{ys2}) + AND segment_id IS NULL + AND cs.visible=1 + AND cn1.id=node_a AND cn1.visible=1 + AND cn2.id=node_b AND cn2.visible=1 + ORDER BY SQRT(POW(cn1.longitude-#{xc},2)+ + POW(cn1.latitude -#{yc},2)) + LIMIT 1 + EOF + row=ActiveRecord::Base.connection.select_one sql + if row.nil? then return [0,0,0,0,0] end + xs1=long2coord(row['lon1'].to_f,baselong,masterscale); ys1=lat2coord(row['lat1'].to_f,basey,masterscale) + xs2=long2coord(row['lon2'].to_f,baselong,masterscale); ys2=lat2coord(row['lat2'].to_f,basey,masterscale) + xmin=[xs1,xs2].min; xmax=[xs1,xs2].max + ymin=[ys1,ys2].min; ymax=[ys1,ys2].max + nodesused[row['id1'].to_i]=true + nodesused[row['id2'].to_i]=true + points<<[xs1,ys1,row['id1'].to_i,1,{},0] + points<<[xs2,ys2,row['id2'].to_i,1,{},row['segid'].to_i] + + # - extend at start, then end + while (a,point,nodesused,toreverse=findconnect(points[0][2],nodesused,'b',toreverse,baselong,basey,masterscale))[0] + points[0][5]=point[5]; point[5]=0 # segment leads to next node + points.unshift(point) + xmin=[point[0],xmin].min; xmax=[point[0],xmax].max + ymin=[point[1],ymin].min; ymax=[point[1],ymax].max + end + while (a,point,nodesused,toreverse=findconnect(points[-1][2],nodesused,'a',toreverse,baselong,basey,masterscale))[0] + points.push(point) + xmin=[point[0],xmin].min; xmax=[point[0],xmax].max + ymin=[point[1],ymin].min; ymax=[point[1],ymax].max + end + points[0][3]=0 # start with a move + + # reverse segments in toreverse + if toreverse.length>0 + sql=<<-EOF + UPDATE current_segments c1, current_segments c2 + SET c1.node_a=c2.node_b,c1.node_b=c2.node_a, + c1.timestamp=NOW(),c1.user_id=#{uid} + WHERE c1.id=c2.id + AND c1.id IN (#{toreverse.join(',')}) + EOF + ActiveRecord::Base.connection.update sql + sql=<<-EOF + INSERT INTO segments + (SELECT * FROM current_segments + WHERE id IN (#{toreverse.join(',')})) + EOF + ActiveRecord::Base.connection.insert sql + end + + [points,xmin,xmax,ymin,ymax] +end + +def findconnect(id,nodesused,lookfor,toreverse,baselong,basey,masterscale) + # get all segments with 'id' as a point + # (to look for both node_a and node_b, UNION is faster than node_a=id OR node_b=id)! + sql=<<-EOF + SELECT cn1.latitude AS lat1,cn1.longitude AS lon1,cn1.id AS id1, + cn2.latitude AS lat2,cn2.longitude AS lon2,cn2.id AS id2, cs.id AS segid + FROM current_nodes AS cn1, + current_nodes AS cn2, + current_segments AS cs + LEFT OUTER JOIN current_way_segments ON segment_id=cs.id + WHERE segment_id IS NULL + AND cs.visible=1 + AND cn1.id=node_a AND cn1.visible=1 + AND cn2.id=node_b AND cn2.visible=1 + AND node_a=#{id} + UNION + SELECT cn1.latitude AS lat1,cn1.longitude AS lon1,cn1.id AS id1, + cn2.latitude AS lat2,cn2.longitude AS lon2,cn2.id AS id2, cs.id AS segid + FROM current_nodes AS cn1, + current_nodes AS cn2, + current_segments AS cs + LEFT OUTER JOIN current_way_segments ON segment_id=cs.id + WHERE segment_id IS NULL + AND cs.visible=1 + AND cn1.id=node_a AND cn1.visible=1 + AND cn2.id=node_b AND cn2.visible=1 + AND node_b=#{id} + EOF + connectlist=ActiveRecord::Base.connection.select_all sql + + if lookfor=='b' then tocol='id1'; tolat='lat1'; tolon='lon1'; fromcol='id2'; fromlat='lat2'; fromlon='lon2' + else tocol='id2'; tolat='lat2'; tolon='lon2'; fromcol='id1'; fromlat='lat1'; fromlon='lon1' + end + + # eliminate those already in the hash + connex=0 + point=nil + connectlist.each { |row| + tonode=row[tocol].to_i + fromnode=row[fromcol].to_i + if id==tonode and !nodesused.has_key?(fromnode) + # wrong way round; add, then add to 'segments to reverse' list + connex+=1 + nodesused[fromnode]=true + point=[long2coord(row[fromlon].to_f,baselong,masterscale),lat2coord(row[fromlat].to_f,basey,masterscale),fromnode,1,{},row['segid'].to_i] + toreverse.push(row['segid'].to_i) + elsif id==fromnode and !nodesused.has_key?(tonode) + # right way round; just add + connex+=1 + point=[long2coord(row[tolon].to_f,baselong,masterscale),lat2coord(row[tolat].to_f,basey,masterscale),tonode,1,{},row['segid'].to_i] + nodesused[tonode]=true + end + } + + # if only one left, then add it; otherwise return false + if connex!=1 or point.nil? then + return [false,[],nodesused,toreverse] + else + return [true,point,nodesused,toreverse] + end +end + + # ==================================================================== # Support functions for remote calls @@ -490,8 +736,8 @@ def readwayquery(id) " ORDER BY sequence_id" end -def createuniquesegments(way,uqs_name) - # Finds segments which appear in this way and no other +def createuniquesegments(way,uqs_name,seglist) + # Finds segments which appear in (previous version of) this way and no other sql=<<-EOF CREATE TEMPORARY TABLE #{uqs_name} SELECT a.segment_id @@ -502,24 +748,40 @@ def createuniquesegments(way,uqs_name) AND b.id != #{way} WHERE b.segment_id IS NULL EOF + if (seglist!='') then sql+=" AND a.segment_id NOT IN (#{seglist})" end 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 + 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) 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) + sql=<<-EOF + INSERT INTO #{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_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 @@ -553,12 +815,13 @@ def array2tag(a) end def getuserid(token) - token=sqlescape(token) - if (token=~/^(.+)\+(.+)$/) then - return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND email='#{$1}' AND pass_crypt=MD5('#{$2}')") + if (token =~ /^(.+)\+(.+)$/) then + user = User.authenticate(:username => $1, :password => $2) else - return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND token='#{token}'") + user = User.authenticate(:token => token) end + + return user ? user.id : nil; end @@ -621,9 +884,9 @@ def getvalue(s) when 5; return nil # null when 6; return nil # undefined when 8; s.read(4) # mixedArray - return getobject(s) # | - when 10;return getarray(s) # array - else; return nil # error + return getobject(s) # | + when 10; return getarray(s) # array + else; return nil # error end end