X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/e1b205913c9afd6b41684add7308cef4613112e2..635daf1773f5e2795c87619aa527adde965ce938:/app/models/way.rb

diff --git a/app/models/way.rb b/app/models/way.rb
index 9ddb603a8..9d4d8ba87 100644
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -1,5 +1,7 @@
 class Way < ActiveRecord::Base
   require 'xml/libxml'
+  
+  include ConsistencyValidations
 
   set_table_name 'current_ways'
 
@@ -49,6 +51,8 @@ class Way < ActiveRecord::Base
       if pt['timestamp']
         way.timestamp = Time.parse(pt['timestamp'])
       end
+      # if visible isn't present then it defaults to true
+      way.visible = (pt['visible'] or true)
     end
 
     pt.find('tag').each do |tag|
@@ -167,6 +171,11 @@ class Way < ActiveRecord::Base
 
   def add_tag_keyval(k, v)
     @tags = Hash.new unless @tags
+
+    # duplicate tags are now forbidden, so we can't allow values
+    # in the hash to be overwritten.
+    raise OSM::APIDuplicateTagsError.new if @tags.include? k
+
     @tags[k] = v
   end
 
@@ -206,21 +215,32 @@ class Way < ActiveRecord::Base
   end
 
   def update_from(new_way, user)
+    check_consistency(self, new_way, user)
     if !new_way.preconditions_ok?
       raise OSM::APIPreconditionFailedError.new
-    elsif new_way.version != version
-      raise OSM::APIVersionMismatchError.new(new_way.version, version)
-    else
-      self.user_id = user.id
-      self.tags = new_way.tags
-      self.nds = new_way.nds
-      self.visible = true
-      save_with_history!
     end
+    self.changeset_id = new_way.changeset_id
+    self.tags = new_way.tags
+    self.nds = new_way.nds
+    self.visible = true
+    save_with_history!
+  end
+
+  def create_with_history(user)
+    check_create_consistency(self, user)
+    if !self.preconditions_ok?
+      raise OSM::APIPreconditionFailedError.new
+    end
+    self.version = 0
+    self.visible = true
+    save_with_history!
   end
 
   def preconditions_ok?
     return false if self.nds.empty?
+    if self.nds.length > APP_CONFIG['max_number_of_way_nodes']
+      raise OSM::APITooManyWayNodesError.new(self.nds.count, APP_CONFIG['max_number_of_way_nodes'])
+    end
     self.nds.each do |n|
       node = Node.find(:first, :conditions => ["id = ?", n])
       unless node and node.visible
@@ -230,19 +250,14 @@ class Way < ActiveRecord::Base
     return true
   end
 
-  def delete_with_history(user)
+  def delete_with_history!(new_way, user)
+    check_consistency(self, new_way, user)
     if self.visible
-	  # FIXME
-	  # this should actually delete the relations,
-	  # not just throw a PreconditionFailed if it's a member of a relation!!
-
-      # FIXME: this should probably renamed to delete_with_history
       if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id",
-                             :conditions => [ "visible = 1 AND member_type='way' and member_id=?", self.id])
+                             :conditions => [ "visible = 1 AND member_type='way' and member_id=? ", self.id])
         raise OSM::APIPreconditionFailedError
-      # end FIXME
       else
-        self.user_id = user.id
+        self.changeset_id = new_way.changeset_id
         self.tags = []
         self.nds = []
         self.visible = false
@@ -265,6 +280,7 @@ class Way < ActiveRecord::Base
       n.save_with_history!
     end
     
+    # FIXME needs more information passed in so that the changeset can be updated
     self.user_id = user.id
 
     self.delete_with_history(user)
@@ -286,4 +302,21 @@ class Way < ActiveRecord::Base
   def tags_as_hash
     return self.tags
   end
+
+  ##
+  # if any referenced nodes are placeholder IDs (i.e: are negative) then
+  # this calling this method will fix them using the map from placeholders 
+  # to IDs +id_map+. 
+  def fix_placeholders!(id_map)
+    self.nds.map! do |node_id|
+      if node_id < 0
+        new_id = id_map[:node][node_id]
+        raise "invalid placeholder for #{node_id.inspect}: #{new_id.inspect}" if new_id.nil?
+        new_id
+      else
+        node_id
+      end
+    end
+  end
+
 end