]> git.openstreetmap.org Git - rails.git/blobdiff - app/models/old_relation.rb
Use HTML5 email and url field types where appropriate
[rails.git] / app / models / old_relation.rb
index 491b444a677844f4c9d9db24874abac672226c6a..87771caab3440b7603d22143db6f51d88ecd8a0f 100644 (file)
@@ -2,15 +2,21 @@ class OldRelation < ActiveRecord::Base
   include ConsistencyValidations
   
   set_table_name 'relations'
+  set_primary_keys :relation_id, :version
 
   belongs_to :changeset
 
+  has_many :old_members, :class_name => 'OldRelationMember', :foreign_key => [:relation_id, :version], :order => :sequence_id
+  has_many :old_tags, :class_name => 'OldRelationTag', :foreign_key => [:relation_id, :version]
+  
+  validates_associated :changeset
+
   def self.from_relation(relation)
     old_relation = OldRelation.new
     old_relation.visible = relation.visible
     old_relation.changeset_id = relation.changeset_id
     old_relation.timestamp = relation.timestamp
-    old_relation.id = relation.id
+    old_relation.relation_id = relation.id
     old_relation.version = relation.version
     old_relation.members = relation.members
     old_relation.tags = relation.tags
@@ -23,7 +29,7 @@ class OldRelation < ActiveRecord::Base
     save!
     clear_aggregation_cache
     clear_association_cache
-    @attributes.update(OldRelation.find(:first, :conditions => ['id = ? AND timestamp = ?', self.id, self.timestamp]).instance_variable_get('@attributes'))
+    @attributes.update(OldRelation.where(:relation_id => self.relation_id, :timestamp => self.timestamp).order("version DESC").first.instance_variable_get('@attributes'))
 
     # ok, you can touch from here on
 
@@ -31,39 +37,37 @@ class OldRelation < ActiveRecord::Base
       tag = OldRelationTag.new
       tag.k = k
       tag.v = v
-      tag.id = self.id
+      tag.relation_id = self.relation_id
       tag.version = self.version
       tag.save!
     end
 
-    i = 1
-    self.members.each do |m|
+    self.members.each_with_index do |m,i|
       member = OldRelationMember.new
-      member.id = self.id
-      member.member_type = m[0]
+      member.id = [self.relation_id, self.version, i]
+      member.member_type = m[0].classify
       member.member_id = m[1]
       member.member_role = m[2]
-      member.version = self.version
       member.save!
     end
   end
 
   def members
     unless @members
-        @members = Array.new
-        OldRelationMember.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |m|
-            @members += [[m.type,m.id,m.role]]
-        end
+      @members = Array.new
+      OldRelationMember.where(:relation_id => self.relation_id, :version => self.version).order(:sequence_id).each do |m|
+        @members += [[m.type,m.id,m.role]]
+      end
     end
     @members
   end
 
   def tags
     unless @tags
-        @tags = Hash.new
-        OldRelationTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |tag|
-            @tags[tag.k] = tag.v
-        end
+      @tags = Hash.new
+      OldRelationTag.where(:relation_id => self.relation_id, :version => self.version).each do |tag|
+        @tags[tag.k] = tag.v
+      end
     end
     @tags = Hash.new unless @tags
     @tags
@@ -77,17 +81,6 @@ class OldRelation < ActiveRecord::Base
     @tags = t
   end
 
-#  has_many :relation_segments, :class_name => 'OldRelationSegment', :foreign_key => 'id'
-#  has_many :relation_tags, :class_name => 'OldRelationTag', :foreign_key => 'id'
-
-  def old_members
-    OldRelationMember.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])    
-  end
-
-  def old_tags
-    OldRelationTag.find(:all, :conditions => ['id = ? AND version = ?', self.id, self.version])    
-  end
-
   def to_xml
     doc = OSM::API.new.get_xml_doc
     doc.root << to_xml_node()
@@ -96,7 +89,7 @@ class OldRelation < ActiveRecord::Base
 
   def to_xml_node
     el1 = XML::Node.new 'relation'
-    el1['id'] = self.id.to_s
+    el1['id'] = self.relation_id.to_s
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema
     if self.changeset.user.data_public?
@@ -108,7 +101,7 @@ class OldRelation < ActiveRecord::Base
     
     self.old_members.each do |member|
       e = XML::Node.new 'member'
-      e['type'] = member.member_type.to_s
+      e['type'] = member.member_type.to_s.downcase
       e['ref'] = member.member_id.to_s # "id" is considered uncool here as it should be unique in XML
       e['role'] = member.member_role.to_s
       el1 << e