Reject 0/1-length ways.

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

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 471e2fadabdbbcccca7b19e5916e2d1b83c9ea22..84e9f4537d7092d3b445566b8cc65e7b675473a7 100644 (file)
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -58,8 +58,8 @@ class AmfController < ApplicationController
       when 'getway_old';               results[index]=AMF.putdata(index,getway_old(args))
       when 'getway_history';   results[index]=AMF.putdata(index,getway_history(args))
       when 'putway';                   r=putway(args,renumberednodes)
-        renumberednodes=r[3]
-        results[index]=AMF.putdata(index,r)
+                                                               renumberednodes=r[3]
+                                                               results[index]=AMF.putdata(index,r)
       when 'deleteway';                        results[index]=AMF.putdata(index,deleteway(args))
       when 'putpoi';                   results[index]=AMF.putdata(index,putpoi(args))
       when 'getpoi';                   results[index]=AMF.putdata(index,getpoi(args))
@@ -109,18 +109,14 @@ class AmfController < ApplicationController
     RAILS_DEFAULT_LOGGER.info("  Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}")
 
     # find the way ids in an area
-    nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax,:conditions => "visible = 1", :include => :way_nodes)
-    waynodes_in_area = nodes_in_area.collect {|node| node.way_nodes }.flatten
-    ways = waynodes_in_area.collect {|way_node| way_node.id[0]}.uniq
+    nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 1", :include => :ways)
+    way_ids = nodes_in_area.collect { |node| node.way_ids }.flatten.uniq
 
     # find the node ids in an area that aren't part of ways
-    node_ids_in_area = nodes_in_area.collect {|node| node.id}.uniq
-    node_ids_used_in_ways = waynodes_in_area.collect {|way_node| way_node.node_id}.uniq
-    node_ids_not_used_in_area = node_ids_in_area - node_ids_used_in_ways
-    nodes_not_used_in_area = Node.find(node_ids_not_used_in_area)
-    points = nodes_not_used_in_area.collect {|n| [n.id, n.lon_potlatch(baselong,masterscale), n.lat_potlatch(basey,masterscale), n.tags_as_hash] }
+    nodes_not_used_in_area = nodes_in_area.select { |node| node.ways.empty? }
+    points = nodes_not_used_in_area.collect { |n| [n.id, n.lon_potlatch(baselong,masterscale), n.lat_potlatch(basey,masterscale), n.tags_as_hash] }
 
-    [ways,points]
+    [way_ids,points]
   end
 
   # ----- whichways_deleted
@@ -171,13 +167,16 @@ class AmfController < ApplicationController
 
     RAILS_DEFAULT_LOGGER.info("  Message: getway, id=#{wayid}")
 
-    way = Way.find_eager(wayid)
+    # Ideally we would do ":include => :nodes" here but if we do that
+    # then rails only seems to return the first copy of a node when a
+    # way includes a node more than once
+    way = Way.find(wayid)
+
     long_array = []
     lat_array = []
     points = []
 
-    way.way_nodes.each do |way_node|
-      node = way_node.node # get the node record
+    way.nodes.each do |node|
       projected_longitude = node.lon_potlatch(baselong,masterscale) # do projection for potlatch
       projected_latitude = node.lat_potlatch(basey,masterscale)
       id = node.id
@@ -294,11 +293,13 @@ class AmfController < ApplicationController
 
     RAILS_DEFAULT_LOGGER.info("  Message: putway, id=#{originalway}")
 
-    # -- Temporary check for null IDs
+    # -- Check for null IDs or short ways
 
     points.each do |a|
       if a[2]==0 or a[2].nil? then return -2,"Server error - node with id 0 found in way #{originalway}." end
     end
+    
+    if points.length<2 then return -2,"Server error - way is only #{points.length} points long." end
 
     # -- 3.    read original way into memory
 
@@ -559,9 +560,10 @@ class AmfController < ApplicationController
     ActiveRecord::Base.connection.select_all(sql)
   end
 
+  # Get the latest version id of a way
   def getlastversion(id,version) #:doc:
-    row=ActiveRecord::Base.connection.select_one("SELECT version FROM ways WHERE id=#{id} AND visible=1 ORDER BY version DESC LIMIT 1")
-    row['version']
+    old_way = OldWay.find(:first, :conditions => ['visible=1 AND id=?' , id], :order => 'version DESC')
+    old_way.version
   end
 
   def readwayquery_old(id,version,historic) #:doc:
@@ -732,11 +734,11 @@ class AmfController < ApplicationController
   # Co-ordinate conversion
 
   def lat2coord(a,basey,masterscale) #:doc:
-    -(lat2y(a)-basey)*masterscale+250
+    -(lat2y(a)-basey)*masterscale
   end
 
   def long2coord(a,baselong,masterscale) #:doc:
-    (a-baselong)*masterscale+350
+    (a-baselong)*masterscale
   end
 
   def lat2y(a) #:doc:
@@ -744,11 +746,11 @@ class AmfController < ApplicationController
   end
 
   def coord2lat(a,masterscale,basey) #:doc:
-    y2lat((a-250)/-masterscale+basey)
+    y2lat(a/-masterscale+basey)
   end
 
   def coord2long(a,masterscale,baselong) #:doc:
-    (a-350)/masterscale+baselong
+    a/masterscale+baselong
   end
 
   def y2lat(a)