X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/a424b6282f1587eb02f2add29b85958a86fc79c1..28a706849f8cc5eab47faece0e4bebee387fb31f:/app/controllers/amf_controller.rb diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb index 8e23a18cc..96ba9d7c0 100644 --- a/app/controllers/amf_controller.rb +++ b/app/controllers/amf_controller.rb @@ -34,11 +34,12 @@ 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)) end end @@ -46,15 +47,14 @@ class AmfController < ApplicationController # Write out response RAILS_DEFAULT_LOGGER.info(" Response: start") - response.headers["Content-Type"]="application/x-amf" a,b=results.length.divmod(256) - ans=0.chr+0.chr+0.chr+0.chr+a.chr+b.chr - results.each do |k,v| - RAILS_DEFAULT_LOGGER.info(" Response: encode #{k}") - ans+=v - end + 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") - render :text => ans end @@ -63,8 +63,8 @@ class AmfController < ApplicationController # ==================================================================== # Remote calls - # ----- getpresets - # return presets,presetmenus and presetnames arrays + # ----- getpresets + # return presets,presetmenus and presetnames arrays def getpresets presets={} @@ -167,10 +167,10 @@ 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 @@ -206,9 +206,9 @@ EOF 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 @@ -254,7 +254,7 @@ EOF ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()") originalway=originalway.to_i - RAILS_DEFAULT_LOGGER.info(" Message: putway, id=#{way}") + RAILS_DEFAULT_LOGGER.info(" Message: putway, id=#{originalway}") # -- 3. read original way into memory @@ -289,6 +289,7 @@ 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 @@ -322,17 +323,22 @@ EOF 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}") } # -- 6.ii insert new way segments @@ -401,10 +407,12 @@ 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 + k=k.gsub(/[\000-\037]/,"") + v=v.gsub(/[\000-\037]/,"") insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',#{version})" currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')" end @@ -482,6 +490,125 @@ EOF way end +# ----- makeway(x,y,baselong,basey,masterscale) +# returns way made from unwayed segments + +def makeway(args) + x,y,baselong,basey,masterscale=args + points=[] + 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 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=findconnect(points[0][2],nodesused,'b',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=findconnect(points[-1][2],nodesused,'a',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 + + [points,xmin,xmax,ymin,ymax] +end + +def findconnect(id,nodesused,lookfor,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 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 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' + else tocol='id2'; tolat='lat2'; tolon='lon2'; fromcol='id1' + 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) + connex+=1 + nodesused[fromnode]=true + elsif id==fromnode and !nodesused.has_key?(tonode) + 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] + else + return [true,point,nodesused] + end +end + + # ==================================================================== # Support functions for remote calls @@ -629,9 +756,9 @@ 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