Don't pass ActiveRecord objects to find and exists?

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

diff --git a/app/models/relation.rb b/app/models/relation.rb
index 21ee058d8ac80e26f6969c6d7c5b49052e9075f5..008f365c4a248d72b307c96d2725536a14c952d3 100644 (file)
--- a/app/models/relation.rb
+++ b/app/models/relation.rb
@@ -2,18 +2,20 @@ class Relation < ActiveRecord::Base
   require 'xml/libxml'
   
   include ConsistencyValidations
   require 'xml/libxml'
   
   include ConsistencyValidations

-  
+  include NotRedactable
+  include ObjectMetadata
+

   self.table_name = "current_relations"
 
   belongs_to :changeset
 
   self.table_name = "current_relations"
 
   belongs_to :changeset
 

-  has_many :old_relations, :order => 'version'
+  has_many :old_relations, -> { order(:version) }

 
 

-  has_many :relation_members, :order => 'sequence_id'
+  has_many :relation_members, -> { order(:sequence_id) }

   has_many :relation_tags
 
   has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
   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
+  has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation

 
   validates_presence_of :id, :on => :update
   validates_presence_of :timestamp,:version,  :changeset_id 
 
   validates_presence_of :id, :on => :update
   validates_presence_of :timestamp,:version,  :changeset_id 


@@ -23,11 +25,11 @@ class Relation < ActiveRecord::Base
   validates_numericality_of :changeset_id, :version, :integer_only => true
   validates_associated :changeset
   
   validates_numericality_of :changeset_id, :version, :integer_only => true
   validates_associated :changeset
   

-  scope :visible, where(:visible => true)
-  scope :invisible, where(:visible => false)
-  scope :nodes, lambda { |*ids| joins(:relation_members).where(:current_relation_members => { :member_type => "Node", :member_id => ids }) }
-  scope :ways, lambda { |*ids| joins(:relation_members).where(:current_relation_members => { :member_type => "Way", :member_id => ids }) }
-  scope :relations, lambda { |*ids| joins(:relation_members).where(:current_relation_members => { :member_type => "Relation", :member_id => ids }) }
+  scope :visible, -> { where(:visible => true) }
+  scope :invisible, -> { where(:visible => false) }
+  scope :nodes, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Node", :member_id => ids.flatten }) }
+  scope :ways, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Way", :member_id => ids.flatten }) }
+  scope :relations, ->(*ids) { joins(:relation_members).where(:current_relation_members => { :member_type => "Relation", :member_id => ids.flatten }) }

 
   TYPES = ["node", "way", "relation"]
 
 
   TYPES = ["node", "way", "relation"]
 


@@ -76,6 +78,12 @@ class Relation < ActiveRecord::Base
       relation.add_tag_keyval(tag['k'], tag['v'])
     end
 
       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"
     pt.find('member').each do |member|
       #member_type = 
       logger.debug "each member"


@@ -99,33 +107,10 @@ class Relation < ActiveRecord::Base
   end
 
   def to_xml_node(visible_members = nil, changeset_cache = {}, user_display_name_cache = {})
   end
 
   def to_xml_node(visible_members = nil, changeset_cache = {}, user_display_name_cache = {})

-    el1 = XML::Node.new 'relation'
-    el1['id'] = self.id.to_s
-    el1['visible'] = self.visible.to_s
-    el1['timestamp'] = self.timestamp.xmlschema
-    el1['version'] = self.version.to_s
-    el1['changeset'] = self.changeset_id.to_s
-
-    if changeset_cache.key?(self.changeset_id)
-      # use the cache if available
-    else
-      changeset_cache[self.changeset_id] = self.changeset.user_id
-    end
+    el = XML::Node.new 'relation'
+    el['id'] = self.id.to_s

 
 

-    user_id = changeset_cache[self.changeset_id]
-
-    if user_display_name_cache.key?(user_id)
-      # use the cache if available
-    elsif self.changeset.user.data_public?
-      user_display_name_cache[user_id] = self.changeset.user.display_name
-    else
-      user_display_name_cache[user_id] = nil
-    end
-
-    if not user_display_name_cache[user_id].nil?
-      el1['user'] = user_display_name_cache[user_id]
-      el1['uid'] = user_id.to_s
-    end
+    add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)

 
     self.relation_members.each do |member|
       p=0
 
     self.relation_members.each do |member|
       p=0


@@ -141,42 +126,28 @@ class Relation < ActiveRecord::Base
         end
       end
       if p
         end
       end
       if p

-        e = XML::Node.new 'member'
-        e['type'] = member.member_type.downcase
-        e['ref'] = member.member_id.to_s 
-        e['role'] = member.member_role
-        el1 << e
+        member_el = XML::Node.new 'member'
+        member_el['type'] = member.member_type.downcase
+        member_el['ref'] = member.member_id.to_s 
+        member_el['role'] = member.member_role
+        el << member_el

        end
     end
 
        end
     end
 

-    self.relation_tags.each do |tag|
-      e = XML::Node.new 'tag'
-      e['k'] = tag.k
-      e['v'] = tag.v
-      el1 << e
-    end
-    return el1
+    add_tags_to_xml_node(el, self.relation_tags)
+
+    return el

   end 
 
   # FIXME is this really needed?
   def members
   end 
 
   # FIXME is this really needed?
   def members

-    unless @members
-      @members = Array.new
-      self.relation_members.each do |member|
-        @members += [[member.member_type,member.member_id,member.member_role]]
-      end
+    @members ||= self.relation_members.map do |member|
+      [member.member_type, member.member_id, member.member_role]

     end
     end

-    @members

   end
 
   def tags
   end
 
   def tags

-    unless @tags
-      @tags = Hash.new
-      self.relation_tags.each do |tag|
-        @tags[tag.k] = tag.v
-      end
-    end
-    @tags
+    @tags ||= Hash[self.relation_tags.collect { |t| [t.k, t.v] }]

   end
 
   def members=(m)
   end
 
   def members=(m)


@@ -187,9 +158,9 @@ class Relation < ActiveRecord::Base
     @tags = t
   end
 
     @tags = t
   end
 

-  def add_member(type,id,role)
-    @members = Array.new unless @members
-    @members += [[type,id.to_i,role]]
+  def add_member(type, id, role)
+    @members ||= []
+    @members << [type, id.to_i, role]

   end
 
   def add_tag_keyval(k, v)
   end
 
   def add_tag_keyval(k, v)