Remove searchable attr warning for nested attrs

Since attributes can be defined with a block the only thing we know
about them is the top level attribute name. Therefore, we trust that the
user knows what they are doing when they use nested attributes.

.rubocop_todo.yml

@@ -1,11 +1,26 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2024-05-27 18:22:30 UTC using RuboCop version 1.27.0.
+# on 2024-09-13 15:45:46 UTC using RuboCop version 1.27.0.
 # 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
 # versions of RuboCop, may require this file to be generated again.
 
+# Offense count: 1
+# This cop supports safe auto-correction (--auto-correct).
+# Configuration parameters: Include.
+# Include: **/*.gemspec
+Gemspec/RequireMFA:
+  Exclude:
+    - 'meilisearch-rails.gemspec'
+
+# Offense count: 1
+# Configuration parameters: Include.
+# Include: **/*.gemspec
+Gemspec/RequiredRubyVersion:
+  Exclude:
+    - 'meilisearch-rails.gemspec'
+
 # Offense count: 1
 # This cop supports safe auto-correction (--auto-correct).
 # Configuration parameters: EnforcedStyle.
@@ -64,14 +79,14 @@ Metrics/BlockLength:
 # Offense count: 1
 # Configuration parameters: CountComments, CountAsOne.
 Metrics/ClassLength:
-  Max: 169
+  Max: 171
 
-# Offense count: 8
+# Offense count: 9
 # Configuration parameters: IgnoredMethods.
 Metrics/CyclomaticComplexity:
   Max: 27
 
-# Offense count: 18
+# Offense count: 19
 # Configuration parameters: CountComments, CountAsOne, ExcludedMethods, IgnoredMethods.
 Metrics/MethodLength:
   Max: 102
@@ -123,7 +138,7 @@ RSpec/ContextWording:
     - 'spec/options_spec.rb'
     - 'spec/system/tech_shop_spec.rb'
 
-# Offense count: 54
+# Offense count: 55
 # Configuration parameters: CountAsOne.
 RSpec/ExampleLength:
   Max: 16
@@ -175,7 +190,7 @@ Style/GuardClause:
   Exclude:
     - 'lib/meilisearch-rails.rb'
 
-# Offense count: 8
+# Offense count: 7
 # This cop supports safe auto-correction (--auto-correct).
 Style/IfUnlessModifier:
   Exclude:
@@ -217,9 +232,9 @@ Style/StringLiterals:
   Exclude:
     - 'spec/ms_clean_up_job_spec.rb'
 
-# Offense count: 16
+# Offense count: 15
 # This cop supports safe auto-correction (--auto-correct).
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
 # URISchemes: http, https
 Layout/LineLength:
-  Max: 170
+  Max: 159

lib/meilisearch-rails.rb

@@ -88,14 +88,16 @@ def initialize(options, &block)
       end
 
       def warn_searchable_missing_attributes
-        searchables = get_setting(:searchable_attributes)
-        attrs = get_setting(:attributes)&.keys
+        searchables = get_setting(:searchable_attributes)&.map { |searchable| searchable.to_s.split('.').first }
+        attrs = get_setting(:attributes)&.map { |k, _| k.to_s }
 
         if searchables.present? && attrs.present?
-          (searchables.map(&:to_s) - attrs.map(&:to_s)).each do |missing_searchable|
-            MeiliSearch::Rails.logger.warn(
-              "[meilisearch-rails] #{missing_searchable} declared in searchable_attributes but not in attributes. Please add it to attributes if it should be searchable."
-            )
+          (searchables - attrs).each do |missing_searchable|
+            warning = <<~WARNING
+              [meilisearch-rails] #{missing_searchable} declared in searchable_attributes but not in attributes. \
+              Please add it to attributes if it should be searchable.
+            WARNING
+            MeiliSearch::Rails.logger.warn(warning)
           end
         end
       end

spec/settings_spec.rb

@@ -152,6 +152,26 @@
         expect(logger).to have_received(:warn).with(/meilisearch-rails.+last_name/)
       end
     end
+
+    context 'when a searchable attribute is nested' do
+      let(:logger) { instance_double('Logger', warn: nil) }
+
+      before do
+        allow(MeiliSearch::Rails).to receive(:logger).and_return(logger)
+      end
+
+      it 'we cannot be certain that it is not defined and don\'t warn the user' do
+        Comment.meilisearch_settings.add_index(safe_index_uid('nested_searchable_attr_spec')) do
+          attribute :post do
+            { title: post&.title }
+          end
+
+          searchable_attributes ['post.title']
+        end
+
+        expect(logger).not_to have_received(:warn)
+      end
+    end
   end
 
   describe 'add_index' do

spec/support/models/post.rb

@@ -24,4 +24,9 @@ class Post < ActiveRecord::Base
 end
 
 class Comment < ActiveRecord::Base
+  belongs_to :post
+
+  include MeiliSearch::Rails
+
+  meilisearch
 end