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[rails.git] / app / models / relation.rb

diff --git a/app/models/relation.rb b/app/models/relation.rb
index d5a6d5dc0caf8e7616d19365ccc3a34572a12464..ce19f7b98ca0ffc6805dc3a680d4cf7629f9d000 100644 (file)
--- a/app/models/relation.rb
+++ b/app/models/relation.rb
@@ -2,15 +2,16 @@ class Relation < ActiveRecord::Base
   require 'xml/libxml'
   
   include ConsistencyValidations
-  
-  set_table_name 'current_relations'
+  include NotRedactable
+
+  self.table_name = "current_relations"
 
   belongs_to :changeset
 
-  has_many :old_relations, :foreign_key => 'id', :order => 'version'
+  has_many :old_relations, :order => 'version'
 
-  has_many :relation_members, :foreign_key => 'id', :order => 'sequence_id'
-  has_many :relation_tags, :foreign_key => 'id'
+  has_many :relation_members, :order => 'sequence_id'
+  has_many :relation_tags
 
   has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
   has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
@@ -66,12 +67,22 @@ class Relation < ActiveRecord::Base
     # and manually set to false before the actual delete.
     relation.visible = true
 
+    # Start with no tags
+    relation.tags = Hash.new
+
+    # Add in any tags from the XML
     pt.find('tag').each do |tag|
       raise OSM::APIBadXMLError.new("relation", pt, "tag is missing key") if tag['k'].nil?
       raise OSM::APIBadXMLError.new("relation", pt, "tag is missing value") if tag['v'].nil?
       relation.add_tag_keyval(tag['k'], tag['v'])
     end
 
+    # need to initialise the relation members array explicitly, as if this
+    # isn't done for a new relation then @members attribute will be nil, 
+    # and the members will be loaded from the database instead of being 
+    # empty, as intended.
+    relation.members = Array.new
+
     pt.find('member').each do |member|
       #member_type = 
       logger.debug "each member"
@@ -348,12 +359,12 @@ class Relation < ActiveRecord::Base
       # if there are left-over tags then they are new and will have to
       # be added.
       tags_changed |= (not tags.empty?)
-      RelationTag.delete_all(:id => self.id)
+      RelationTag.delete_all(:relation_id => self.id)
       self.tags.each do |k,v|
         tag = RelationTag.new
+        tag.relation_id = self.id
         tag.k = k
         tag.v = v
-        tag.id = self.id
         tag.save!
       end
       
@@ -378,10 +389,11 @@ class Relation < ActiveRecord::Base
       # members may be in a different order and i don't feel like implementing
       # a longest common subsequence algorithm to optimise this.
       members = self.members
-      RelationMember.delete_all(:id => self.id)
+      RelationMember.delete_all(:relation_id => self.id)
       members.each_with_index do |m,i|
         mem = RelationMember.new
-        mem.id = [self.id, i]
+        mem.relation_id = self.id
+        mem.sequence_id = i
         mem.member_type = m[0]
         mem.member_id = m[1]
         mem.member_role = m[2]