class AmfController < ApplicationController
require 'stringio'
+ session :off
+ before_filter :check_write_availability
+
# to log:
# RAILS_DEFAULT_LOGGER.error("Args: #{args[0]}, #{args[1]}, #{args[2]}, #{args[3]}")
# ---- talk process AMF request
def talk
- req=StringIO.new(request.raw_post) # Get POST data as request
- req.read(2) # Skip version indicator and client ID
- results={} # Results of each body
+ req=StringIO.new(request.raw_post+0.chr) # Get POST data as request
+ # (cf http://www.ruby-forum.com/topic/122163)
+ req.read(2) # Skip version indicator and client ID
+ results={} # Results of each body
# -------------
# Parse request
bytes=getlong(req) # | get total size in bytes
args=getvalue(req) # | get response (probably an array)
- RAILS_DEFAULT_LOGGER.info(" Message: #{message}")
-
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 'putpoi'; results[index]=putdata(index,putpoi(args))
+ when 'getpoi'; results[index]=putdata(index,getpoi(args))
end
end
# Write out response
RAILS_DEFAULT_LOGGER.info(" Response: start")
- response.headers["Content-Type"]="application/x-amf"
a,b=results.length.divmod(256)
- render :text => proc { |response, output|
+ 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|
- RAILS_DEFAULT_LOGGER.info(" Response: encode #{k}")
output.write(v)
end
}
# ====================================================================
# 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=''
trunk road: highway=trunk,ref=(type road number),name=(type road name)
primary road: highway=primary,ref=(type road number),name=(type road name)
secondary road: highway=secondary,ref=(type road number),name=(type road name)
-residential road: highway=residential,name=(type road name)
-unclassified road: highway=unclassified,name=(type road name)
+tertiary road: highway=tertiary,ref=,name=(type road name)
+residential road: highway=residential,ref=,name=(type road name)
+unclassified road: highway=unclassified,ref=,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
disused railway tracks: railway=disused
course of old railway: railway=abandoned
+way/natural
+lake: natural=water,landuse=
+forest: landuse=forest,natural=
+
point/road
mini roundabout: highway=mini_roundabout
traffic lights: highway=traffic_signals
station: railway=station
viaduct: railway=viaduct
level crossing: railway=crossing
+
+point/natural
+peak: natural=peak
+
+POI/road
+car park: amenity=parking
+petrol station: amenity=fuel
+
+POI/cycleway
+bike park: amenity=bicycle_parking
+
+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),denomination=
+post box: amenity=post_box,tourism=,name=,religion=,denomination=
+post office: amenity=post_office,tourism=,name=,religion=,denomination=
+pub: tourism=,amenity=pub,name=(type name here),religion=,denomination=
+
+POI/natural
+peak: point=peak
EOF
StringIO.open(txt) do |file|
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 "+
- " 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 "+ymin.to_s+" AND "+ymax.to_s+") "+
- " AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+")")
+ 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
+ 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,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lng,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 "+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 "+
+ " 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'],tag2array(a['tags'])] } # get a list of node ids and their tags
+ 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
+ # ----- 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
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)
- points << [xs1,ys1,row['id1'].to_i,0,tag2array(row['tags1']),0] if (row['id1'].to_i!=lastid)
- lastid = row['id2'].to_i
- points << [xs2,ys2,row['id2'].to_i,1,tag2array(row['tags2']),row['segment_id'].to_i]
- xmin = [xmin,row['long1'].to_f,row['long2'].to_f].min
- xmax = [xmax,row['long1'].to_f,row['long2'].to_f].max
- ymin = [ymin,row['lat1'].to_f,row['lat2'].to_f].min
- ymax = [ymax,row['lat1'].to_f,row['lat2'].to_f].max
+ 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']]=a['v'] }
+ attrlist.each {|a| attributes[a['k'].gsub(':','|')]=a['v'] }
[objname,points,attributes,xmin,xmax,ymin,ymax]
end
# 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
- 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
+ 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()")
# -- 3. read original way into memory
- xc={}; yc={}; tagc={}; seg={}
+ xc={}; yc={}; tagc={}
if originalway>0
way=originalway
readwayquery(way).each { |row|
- id1=row['id1'].to_i; xc[id1]=row['long1'].to_f; yc[id1]=row['lat1'].to_f; tagc[id1]=row['tags1']
- 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
+ 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}")
+ 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
# -- 5. compare nodes and update xmin,xmax,ymin,ymax
- xmin = ymin = 999999
- xmax = ymax = -999999
- insertsql = ''
+ xmin=ymin= 999999
+ xmax=ymax=-999999
+ insertsql=''
renumberednodes={}
+ nodelist=[]
points.each_index do |i|
xs=coord2long(points[i][0],masterscale,baselong)
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])
+ 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
- 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,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) 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}")
+ 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}")
end
else
# old node, created in another way and now added to this way
end
-
- end
-
-
- # -- 6.i compare segments
-
- numberedsegments={}
- 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 seg[segid]=="#{from}-#{to}" then
- if (seglist!='') then seglist+=',' end; seglist+=segid.to_s
- next
- 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,'')")
- 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
- createuniquesegments(way,db_uqs,seglist) # segments which appear in this way but no other
+ # -- 6a. delete any nodes not in modified way
- # delete segments from uniquesegments (and not in modified way)
+ createuniquenodes(way,db_uqn,nodelist) # nodes which appear in this way but no other
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 AND cs.visible=1
- EOF
- ActiveRecord::Base.connection.insert(sql)
-
- 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 AND cs.visible=1
- EOF
- ActiveRecord::Base.connection.update(sql)
-
- # delete nodes not in modified way or any other segments
-
- 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)
- SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0
- FROM current_nodes AS cn,#{db_uqn}
- WHERE cn.id=node_id
+ INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile)
+ SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile
+ FROM current_nodes AS cn,#{db_uqn}
+ WHERE cn.id=node_id
EOF
ActiveRecord::Base.connection.insert(sql)
EOF
ActiveRecord::Base.connection.update(sql)
- ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}")
+ deleteuniquenoderelations(db_uqn,uid,db_now)
ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
- # insert new version of route into way_segments
+ # 6b. insert new version of route into way_nodes
insertsql =''
currentsql=''
sequence =1
- for i in (0..(points.length-2))
- if (points[i+1][3].to_i==0) then next end
+ points.each do |p|
if insertsql !='' then insertsql +=',' end
if currentsql!='' then currentsql+=',' end
- insertsql +="(#{way},#{points[i+1][5]},#{version})"
- currentsql+="(#{way},#{points[i+1][5]},#{sequence})"
+ insertsql +="(#{way},#{p[2]},#{sequence},#{version})"
+ currentsql+="(#{way},#{p[2]},#{sequence})"
sequence +=1
end
- ActiveRecord::Base.connection.execute("DELETE FROM current_way_segments WHERE id=#{way}");
- ActiveRecord::Base.connection.insert("INSERT INTO way_segments (id,segment_id,version ) VALUES #{insertsql}");
- ActiveRecord::Base.connection.insert("INSERT INTO current_way_segments (id,segment_id,sequence_id) VALUES #{currentsql}");
+ ActiveRecord::Base.connection.execute("DELETE FROM current_way_nodes WHERE id=#{way}");
+ ActiveRecord::Base.connection.insert( "INSERT INTO way_nodes (id,node_id,sequence_id,version) VALUES #{insertsql}");
+ ActiveRecord::Base.connection.insert( "INSERT INTO current_way_nodes (id,node_id,sequence_id ) VALUES #{currentsql}");
# -- 7. insert new way tags
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})"
- currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')"
+ insertsql +="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"',#{version})"
+ currentsql+="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"')"
end
ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
if (insertsql !='') then ActiveRecord::Base.connection.insert("INSERT INTO way_tags (id,k,v,version) VALUES #{insertsql}" ) end
if (currentsql!='') then ActiveRecord::Base.connection.insert("INSERT INTO current_way_tags (id,k,v) VALUES #{currentsql}") end
- [originalway,way,renumberednodes,numberedsegments,xmin,xmax,ymin,ymax]
+ [originalway,way,renumberednodes,xmin,xmax,ymin,ymax]
end
- # ----- deleteway (user token, way)
+ # ----- 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
+ if visible==0 then
+ # if deleting, check node hasn't become part of a way
+ inway=ActiveRecord::Base.connection.select_one("SELECT cw.id FROM current_ways cw,current_way_nodes cwn WHERE cw.id=cwn.id AND cw.visible=1 AND cwn.node_id=#{id} LIMIT 1")
+ unless inway.nil? then return [id,id] end # should really return an error
+ deleteitemrelations(id,'node',uid,db_now)
+ end
+
+ x=coord2long(x.to_f,masterscale,baselong)
+ y=coord2lat(y.to_f,masterscale,basey)
+ tagsql="'"+sqlescape(array2tag(tags))+"'"
+ lat=(y * 10000000).round
+ long=(x * 10000000).round
+ tile=QuadTile.tile_for_point(y, x)
+
+ if (id>0) then
+ ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{id},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+ ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},visible=#{visible},tags=#{tagsql},tile=#{tile} WHERE id=#{id}");
+ newid=id
+ else
+ newid=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+ ActiveRecord::Base.connection.update("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newid},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+ 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*0.0000001 AS lat,longitude*0.0000001 AS lng,tags "+
+ "FROM current_nodes WHERE visible=1 AND id=#{id}")
+ if poi.nil? then return [nil,nil,nil,''] end
+ [id,
+ long2coord(poi['lng'].to_f,baselong,masterscale),
+ lat2coord(poi['lat'].to_f,basey,masterscale),
+ tag2array(poi['tags'])]
+ end
+
+ # ----- deleteway (user token, way, nodes to keep)
# returns way ID only
def deleteway(args)
- usertoken,way=args
+ usertoken,way,preserve=args
RAILS_DEFAULT_LOGGER.info(" Message: deleteway, id=#{way}")
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_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
+ way=way.to_i
- 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)
-
- 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)
+ 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()")
- # - delete any unused nodes
+ # - delete any otherwise unused nodes
- createuniquenodes(db_uqs,db_uqn)
+ createuniquenodes(way,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
+ unless (preserve.empty?) then
+ ActiveRecord::Base.connection.execute("DELETE FROM #{db_uqn} WHERE node_id IN ("+preserve.join(',')+")")
+ end
+
+ sql=<<-EOF
+ INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile)
+ SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile
+ FROM current_nodes AS cn,#{db_uqn}
+ WHERE cn.id=node_id
EOF
- ActiveRecord::Base.connection.insert(sql)
+ ActiveRecord::Base.connection.insert(sql)
- sql=<<-EOF
+ 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}")
+ ActiveRecord::Base.connection.update(sql)
- # - 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}")
+ deleteuniquenoderelations(db_uqn,uid,db_now)
+ ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
+
+ # - delete way
- 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_nodes WHERE id=#{way}")
+ ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
+ deleteitemrelations(way,'way',uid,db_now)
+ way
end
+
+
# ====================================================================
# Support functions for remote calls
def readwayquery(id)
- ActiveRecord::Base.connection.select_all "SELECT n1.latitude AS lat1,n1.longitude AS long1,n1.id AS id1,n1.tags as tags1, "+
- " n2.latitude AS lat2,n2.longitude AS long2,n2.id AS id2,n2.tags as tags2,segment_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 "+
+ ActiveRecord::Base.connection.select_all "SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags "+
+ " FROM current_way_nodes,current_nodes "+
+ " WHERE current_way_nodes.id=#{id} "+
+ " AND current_way_nodes.node_id=current_nodes.id "+
+ " AND current_nodes.visible=1 "+
" ORDER BY sequence_id"
end
-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
- FROM (SELECT DISTINCT segment_id FROM current_way_segments
- WHERE id = #{way}) a
- LEFT JOIN current_way_segments b
- ON b.segment_id = 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)
+def createuniquenodes(way,uqn_name,nodelist)
+ # Find nodes which appear in this way but no others
+ sql=<<-EOF
+ CREATE TEMPORARY TABLE #{uqn_name}
+ SELECT a.node_id
+ FROM (SELECT DISTINCT node_id FROM current_way_nodes
+ WHERE id=#{way}) a
+ LEFT JOIN current_way_nodes b
+ ON b.node_id=a.node_id
+ AND b.id!=#{way}
+ WHERE b.node_id IS NULL
+ EOF
+ unless nodelist.empty? then
+ sql+="AND a.node_id NOT IN ("+nodelist.join(',')+")"
+ end
+ ActiveRecord::Base.connection.execute(sql)
end
-def createuniquenodes(uqs_name,uqn_name)
- # Finds nodes which appear in uniquesegments but no other segments
+
+
+# ====================================================================
+# Relations handling
+# deleteuniquenoderelations(uqn_name,uid,db_now)
+# deleteitemrelations(way|node,'way'|'node',uid,db_now)
+
+def deleteuniquenoderelations(uqn_name,uid,db_now)
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
+ SELECT node_id,cr.id FROM #{uqn_name},current_relation_members crm,current_relations cr
+ WHERE crm.member_id=node_id
+ AND crm.member_type='node'
+ AND crm.id=cr.id
+ AND cr.visible=1
EOF
- ActiveRecord::Base.connection.execute(sql)
+
+ relnodes=ActiveRecord::Base.connection.select_all(sql)
+ relnodes.each do |a|
+ removefromrelation(a['node_id'],'node',a['id'],uid,db_now)
+ end
end
+def deleteitemrelations(objid,type,uid,db_now)
+ sql=<<-EOF
+ SELECT cr.id FROM current_relation_members crm,current_relations cr
+ WHERE crm.member_id=#{objid}
+ AND crm.member_type='#{type}'
+ AND crm.id=cr.id
+ AND cr.visible=1
+ EOF
+
+ relways=ActiveRecord::Base.connection.select_all(sql)
+ relways.each do |a|
+ removefromrelation(objid,type,a['id'],uid,db_now)
+ end
+end
+
+def removefromrelation(objid,type,relation,uid,db_now)
+ rver=ActiveRecord::Base.connection.insert("INSERT INTO relations (id,user_id,timestamp,visible) VALUES (#{relation},#{uid},#{db_now},1)")
+
+ tagsql=<<-EOF
+ INSERT INTO relation_tags (id,k,v,version)
+ SELECT id,k,v,#{rver} FROM current_relation_tags
+ WHERE id=#{relation}
+ EOF
+ ActiveRecord::Base.connection.insert(tagsql)
+
+ membersql=<<-EOF
+ INSERT INTO relation_members (id,member_type,member_id,member_role,version)
+ SELECT id,member_type,member_id,member_role,#{rver} FROM current_relation_members
+ WHERE id=#{relation}
+ AND (member_id!=#{objid} OR member_type!='#{type}')
+ EOF
+ ActiveRecord::Base.connection.insert(membersql)
+
+ ActiveRecord::Base.connection.update("UPDATE current_relations SET user_id=#{uid},timestamp=#{db_now} WHERE id=#{relation}")
+ ActiveRecord::Base.connection.execute("DELETE FROM current_relation_members WHERE id=#{relation} AND member_type='#{type}' AND member_id=#{objid}")
+end
+
+
def sqlescape(a)
- a.gsub("'","''").gsub(92.chr,92.chr+92.chr)
+ a.gsub(/[\000-\037]/,"").gsub("'","''").gsub(92.chr,92.chr+92.chr)
end
def tag2array(a)
k,v=b.split('=')
if k.nil? then k='' end
if v.nil? then v='' end
- tags[k.gsub('#%','=')]=v.gsub('#%','=')
+ tags[k.gsub('#%','=').gsub(':','|')]=v.gsub('#%','=')
end
tags
end
if v=='' then next end
if v[0,6]=='(type ' then next end
if str!='' then str+=';' end
- str+=k.gsub(';',';;;').gsub('=','===')+'='+v.gsub(';',';;;').gsub('=','===')
+ str+=k.gsub(';',';;;').gsub('=','===').gsub('|',':')+'='+v.gsub(';',';;;').gsub('=','===')
end
str
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
def getvalue(s)
case s.getc
- when 0; return getdouble(s) # number
- when 1; return s.getc # boolean
- when 2; return getstring(s) # string
- when 3; return getobject(s) # object/hash
- 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
+ when 0; return getdouble(s) # number
+ when 1; return s.getc # boolean
+ when 2; return getstring(s) # string
+ when 3; return getobject(s) # object/hash
+ 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
end
end