fixing version problem for way_tags

[rails.git] / app / controllers / amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 541926c744ebc9555837757a2d311d757225dd7b..9564a1bdf79ff974d2e7b073ea411d699b34309c 100644 (file)
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -263,7 +263,7 @@ EOF
 
     xmin = ymin = 999999
     xmax = ymax = -999999
-    insertsql = nodelist =  ''
+    insertsql = ''
     renumberednodes={}
 
     points.each_index do |i|
@@ -288,24 +288,18 @@ EOF
         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
@@ -324,14 +318,10 @@ EOF
     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 +330,6 @@ 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 +337,12 @@ 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)  
@@ -401,7 +389,7 @@ EOF
       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
 
@@ -424,7 +412,7 @@ 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
 
@@ -484,12 +472,14 @@ def readwayquery(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 "+
       "   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
@@ -500,6 +490,7 @@ 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
 
@@ -553,9 +544,9 @@ end
 def getuserid(token)
   token=sqlescape(token)
   if (token=~/^(.+)\+(.+)$/) then
-    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND timeout>NOW() AND email='#{$1}' AND pass_crypt=MD5('#{$2}')")
+    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND email='#{$1}' AND pass_crypt=MD5('#{$2}')")
   else
-    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND timeout>NOW() AND token='#{token}'")
+    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND token='#{token}'")
   end
 end