feat: makes table name configurable via yml

.gitignore

@@ -1,2 +1,3 @@
 .byebug_history
 *.gem
+/config

lib/rating/config.rb

@@ -2,18 +2,22 @@
 
 module Rating
   class Config
-    attr_accessor :rate_model, :rating_model
+    def config
+      @config ||= begin
+        file_path = File.expand_path('config/rating.yml')
 
-    def models(rate: nil, rating: nil)
-      @rate_model   = rate   unless rate.nil?
-      @rating_model = rating unless rating.nil?
+        return {} unless File.exist?(file_path)
 
-      self
+        YAML.safe_load(File.read(file_path))['rating']
+      end
     end
 
-    def initialize
-      @rate_model   = '::Rating::Rate'
-      @rating_model = '::Rating::Rating'
+    def rate_table
+      @rate_table ||= config[__method__.to_s] || 'rating_rates'
+    end
+
+    def rating_table
+      @rating_table ||= config[__method__.to_s] || 'rating_ratings'
     end
   end
 end

lib/rating/models/rating/extension.rb

@@ -48,17 +48,17 @@ module Rating
 
         has_many :rating_records,
           as:         :resource,
-          class_name: ::Rating.config.rating_model,
+          class_name: '::Rating::Rating',
           dependent:  :destroy
 
         has_many :rates_records,
           as:         :resource,
-          class_name: ::Rating.config.rate_model,
+          class_name: '::Rating::Rate',
           dependent:  :destroy
 
         has_many :rated_records,
           as:         :author,
-          class_name: ::Rating.config.rate_model,
+          class_name: '::Rating::Rate',
           dependent:  :destroy
 
         scope :order_by_rating, ->(column = :estimate, direction = :desc, scope: nil) {

lib/rating/models/rating/rate.rb

@@ -3,7 +3,7 @@
 module Rating
   class Rate < ActiveRecord::Base
     self.table_name_prefix = 'rating_'
-    self.table_name        = ::Rating.config.rate_model.constantize.table_name
+    self.table_name        = ::Rating.config.rate_table
 
     after_save :update_rating
 

lib/rating/models/rating/rating.rb

@@ -3,7 +3,7 @@
 module Rating
   class Rating < ActiveRecord::Base
     self.table_name_prefix = 'rating_'
-    self.table_name        = ::Rating.config.rating_model.constantize.table_name
+    self.table_name        = ::Rating.config.rating_table
 
     belongs_to :resource,  polymorphic: true
     belongs_to :scopeable, polymorphic: true

spec/config/configure_spec.rb

@@ -1,21 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Rating::Config, '.configure' do
-  before do
-    Rating.configure do |config|
-      config.models rate: 'Review', rating: 'ReviewRating'
-    end
-  end
-
-  let!(:author)   { create :author }
-  let!(:resource) { create :article }
-
-  xit 'changes the rating models' do
-    author.rate resource, 5
-
-    expect(Review.count).to       eq 1
-    expect(ReviewRating.count).to eq 1
-  end
-end

spec/config/initialize_spec.rb

@@ -1,10 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Rating::Config, 'initialize' do
-  it 'has default models' do
-    expect(subject.rate_model).to   eq '::Rating::Rate'
-    expect(subject.rating_model).to eq '::Rating::Rating'
-  end
-end

spec/config/models_spec.rb

@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Rating::Config, '.models' do
-  it 'changes the rating models' do
-    subject.models rate: Review, rating: ReviewRating
-
-    expect(subject.rate_model).to   eq Review
-    expect(subject.rating_model).to eq ReviewRating
-  end
-end

spec/config/rate_table_spec.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Rating::Config, '.rate_table' do
+  context 'when rating.yml does not exist' do
+    it { expect(subject.rate_table).to eq 'rating_rates' }
+  end if ENV['CONFIG_ENABLED'] != 'true'
+
+  context 'when rating.yml exists' do
+    it { expect(subject.rate_table).to eq 'reviews' }
+  end if ENV['CONFIG_ENABLED'] == 'true'
+end

spec/config/rating_table_spec.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Rating::Config, '.rating_table' do
+  context 'when rating.yml does not exist' do
+    it { expect(subject.rating_table).to eq 'rating_ratings' }
+  end if ENV['CONFIG_ENABLED'] != 'true'
+
+  context 'when rating.yml exists' do
+    it { expect(subject.rating_table).to eq 'review_ratings' }
+  end if ENV['CONFIG_ENABLED'] == 'true'
+end

spec/support/db/migrate/add_comment_on_rating_rates_table.rb

@@ -3,5 +3,6 @@
 class AddCommentOnRatingRatesTable < ActiveRecord::Migration[5.0]
   def change
     add_column :rating_rates, :comment, :text
+    add_column :reviews,      :comment, :text
   end
 end

spec/support/models/review.rb

@@ -1,4 +1,5 @@
 # frozen_string_literal: true
 
 class Review < ::ActiveRecord::Base
+  belongs_to :scopeable, polymorphic: true
 end