Exclude referenced IDs from fields.

Author: dblock

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2018-01-17 21:47:30 -0500 using RuboCop version 0.48.1.
+# on 2018-01-17 21:53:45 -0500 using RuboCop version 0.48.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -33,7 +33,7 @@ Lint/ParenthesesAsGroupedExpression:
 
 # Offense count: 22
 Metrics/AbcSize:
-  Max: 62
+  Max: 69
 
 # Offense count: 114
 # Configuration parameters: CountComments, ExcludedMethods.
@@ -43,13 +43,13 @@ Metrics/BlockLength:
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
-  Max: 123
+  Max: 124
 
 # Offense count: 6
 Metrics/CyclomaticComplexity:
   Max: 10
 
-# Offense count: 461
+# Offense count: 462
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
 # URISchemes: http, https
 Metrics/LineLength:
@@ -58,7 +58,7 @@ Metrics/LineLength:
 # Offense count: 16
 # Configuration parameters: CountComments.
 Metrics/MethodLength:
-  Max: 25
+  Max: 26
 
 # Offense count: 2
 # Configuration parameters: CountComments.

lib/mongoid/history/attributes/create.rb

@@ -4,6 +4,16 @@ module Attributes
       class Create < ::Mongoid::History::Attributes::Base
         def attributes
           @attributes = {}
+          insert_attributes
+          insert_embeds_one_changes
+          insert_embeds_many_changes
+          insert_has_or_belongs_to_many_changes
+          @attributes
+        end
+
+        private
+
+        def insert_attributes
           trackable.attributes.each do |k, v|
             next unless trackable_class.tracked_field?(k, :create)
             modified = if changes[k]
@@ -13,13 +23,8 @@ def attributes
                        end
             @attributes[k] = [nil, format_field(k, modified)]
           end
-          insert_embeds_one_changes
-          insert_embeds_many_changes
-          @attributes
         end
 
-        private
-
         def insert_embeds_one_changes
           trackable_class.tracked_embeds_one.each do |rel|
             rel_class = trackable_class.relation_class_of(rel)
@@ -44,6 +49,13 @@ def insert_embeds_many_changes
                                          .map { |obj| format_embeds_many_relation(rel, obj.attributes) }]
           end
         end
+
+        def insert_has_or_belongs_to_many_changes
+          trackable_class.referenced_relations.values.each do |rel|
+            k = rel.key
+            @attributes[k] = [nil, format_field(k, trackable.send(k))]
+          end
+        end
       end
     end
   end

lib/mongoid/history/options.rb

@@ -84,7 +84,8 @@ def parse_tracked_fields_and_relations
           @options[:on] = options[:on].reject { |opt| opt == :fields }
           @options[:on] = options[:on] |
                           trackable.fields.keys.map(&:to_sym) -
-                          reserved_fields.map(&:to_sym)
+                          reserved_fields.map(&:to_sym) -
+                          trackable.referenced_relations.values.map { |r| r.key.to_sym }
         end
 
         if options[:on].include?(:embedded_relations)

spec/unit/options_spec.rb

@@ -137,7 +137,7 @@
     describe '#parse_tracked_fields_and_relations' do
       context 'when options not passed' do
         let(:expected_options) do
-          { on: %i[foo b hatbm_ids],
+          { on: %i[foo b],
             except: %w[created_at updated_at],
             tracker_class_name: nil,
             modifier_field: :modifier,
@@ -147,7 +147,7 @@
             track_create: true,
             track_update: true,
             track_destroy: true,
-            fields: %w[foo b hatbm_ids],
+            fields: %w[foo b],
             dynamic: [],
             relations: { embeds_one: {}, embeds_many: {}, has_and_belongs_to_many: {} },
             format: {} }
@@ -185,12 +185,12 @@
 
           context 'with :all' do
             let(:value) { :all }
-            it { expect(subject[:on]).to eq %i[foo b hatbm_ids] }
+            it { expect(subject[:on]).to eq %i[foo b] }
           end
 
           context 'with :fields' do
             let(:value) { :fields }
-            it { expect(subject[:on]).to eq %i[foo b hatbm_ids] }
+            it { expect(subject[:on]).to eq %i[foo b] }
           end
 
           describe '#categorize_tracked_option' do