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))
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
presettype=''
presetcategory=''
+ RAILS_DEFAULT_LOGGER.info(" Message: getpresets")
+
# File.open("config/potlatch/presets.txt") do |file|
# Temporary patch to get around filepath problem
# 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
+
+ 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 "+
" 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
" 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")
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)
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={}
xmin = ymin = 999999
xmax = ymax = -999999
- insertsql = nodelist = ''
+ insertsql = ''
renumberednodes={}
points.each_index do |i|
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
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)
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)
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)
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)"
+ insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',#{version})"
currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')"
end
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
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
" 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
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
projects / rails.git / blobdiff