- # ----- 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
-
- 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_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
-
- # -- 3. read original way into memory
-
- xc={}; yc={}; tagc={}; seg={}
- 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
- }
- else
- way=ActiveRecord::Base.connection.insert("INSERT INTO current_ways (user_id,timestamp,visible) VALUES (#{uid},#{db_now},1)")
- end
-
- # -- 4. get version by inserting new row into ways
-
- version=ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},1)")
-
- # -- 5. compare nodes and update xmin,xmax,ymin,ymax
-
- xmin = ymin = 999999
- xmax = ymax = -999999
- insertsql = nodelist = ''
- renumberednodes={}
-
- points.each_index do |i|
- xs=coord2long(points[i][0],masterscale,baselong)
- ys=coord2lat(points[i][1],masterscale,basey)
- 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])
- 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
-
- 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=''
- 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}") }
-
- 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)
-
- # 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
- 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
- AND (cs.timestamp!=#{db_now} OR cs.user_id!=#{uid})
- 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
- AND (cs.timestamp!=#{db_now} OR cs.user_id!=#{uid})
- EOF
- ActiveRecord::Base.connection.update(sql)
- ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}")
-
- # insert new version of route into way_segments
-
- insertsql =''
- currentsql=''
- sequence =1
- for i in (0..(points.length-2))
- if (points[i+1][3].to_i==0) then next end
- if insertsql !='' then insertsql +=',' end
- if currentsql!='' then currentsql+=',' end
- insertsql +="(#{way},#{points[i+1][5]},#{version})"
- currentsql+="(#{way},#{points[i+1][5]},#{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}");
-
- # -- 7. insert new way tags
-
- insertsql =''
- currentsql=''
- attributes.each do |k,v|
- if v=='' 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)+"')"
- 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]
projects / rails.git / blobdiff