🍺 Create ElasticsearchReader::Config and add Readme files

 - Add Guard-bundler gem and configure it
 - Add ActiveSupport gem
 - Fix RuboCop issues
 - Create `ElasticsearchReader::Config` Class as a Singleton
 - Add specs for `ElasticsearchReader::Config` Class
 - Delegate all methods from `ElasticsearchReader::Config` to `ElasticsearchReader`
 - Add PULL_REQUEST_TEMPLATE.md
 - Add ISSUE_TEMPLATE.md
 - Add CONTRIBUTING.md
 - Add .ruby-version

.codeclimate.yml

@@ -0,0 +1,5 @@
+engines:
+  fixme:
+    enabled: true
+    exclude_fingerprints:
+    - 303f76d18a54a13422463f2edab9bacd

.ruby-version

@@ -0,0 +1 @@
+ruby-2.4.1

CONTRIBUTING.md

@@ -0,0 +1,5 @@
+# Contributing to ElasticsearchReader
+
+### Style (Ruby)
+
+We use Rubocop to enforce a few style-related conventions. Run the command rubocop to check for any style violations before submitting pull requests.

Gemfile

@@ -1,9 +1,14 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in elasticsearch_reader.gemspec
 gemspec
 
+gem 'activesupport'
+
 gem 'guard'
+gem 'guard-bundler', require: false
 gem 'guard-rspec'
 
 gem 'redcarpet'

Guardfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 guard :rspec, cmd: 'bundle exec rspec' do
   require 'guard/rspec/dsl'
   dsl = Guard::RSpec::Dsl.new(self)
@@ -16,3 +18,15 @@ guard :rspec, cmd: 'bundle exec rspec' do
   ruby = dsl.ruby
   dsl.watch_spec_files_for(ruby.lib_files)
 end
+
+guard :bundler do
+  require 'guard/bundler'
+  require 'guard/bundler/verify'
+  helper = Guard::Bundler::Verify.new
+
+  files = ['Gemfile']
+  files += Dir['*.gemspec'] if files.any? { |f| helper.uses_gemspec?(f) }
+
+  # Assume files are symlinked from somewhere
+  files.each { |file| watch(helper.real_path(file)) }
+end

ISSUE_TEMPLATE.md

@@ -0,0 +1,32 @@
+### Step 1: Are you in the right place?
+
+  * For issues or feature requests related to the code **in this repository** file a Github issue.
+  * For general technical questions, post a question on [StackOverflow](http://stackoverflow.com/) tagged appropriately.
+
+### Step 2: Describe your environment
+
+  * Gem version: _____
+  * Rails version: _____
+  * Ruby version: _____
+
+### Step 3: Describe the problem:
+
+#### Steps to reproduce:
+
+  1. _____
+  2. _____
+  3. _____
+
+#### Observed Results:
+
+  * What happened?  This could be a description, log output, etc.
+
+#### Expected Results:
+
+  * What did you expect to happen?
+
+#### Relevant Code:
+
+  ```
+  // TODO(you): code here to reproduce the problem
+  ```

PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,5 @@
+## Todos
+- [ ] Tests
+- [ ] RuboCop
+- [ ] Documentation
+- [ ] Changelog

README.md

@@ -37,7 +37,7 @@ To install this gem onto your local machine, run `bundle exec rake install`. To
 
 ## TODO
 
- - [ ] Configrations and settings
+ - [x] [Configrations and settings](https://github.com/adham90/elasticsearch_reader/pull/1)
  - [ ] Object mapper
  - [ ] Relations
  - [ ] Query DSL

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 

bin/console

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require 'bundler/setup'
 require 'elasticsearch_reader'

elasticsearch_reader.gemspec

@@ -26,8 +26,8 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler', '~> 1.14'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
-  spec.add_development_dependency 'rubocop', '0.48.1'
   spec.add_development_dependency 'rspec-its'
+  spec.add_development_dependency 'rubocop', '0.48.1'
   spec.add_development_dependency 'rspec-collection_matchers'
   spec.add_development_dependency 'appraisal'
 

lib/elasticsearch_reader.rb

@@ -1,5 +1,30 @@
+# frozen_string_literal: true
+
+require 'active_support/concern'
+require 'active_support/deprecation'
+require 'active_support/json'
+require 'active_support/log_subscriber'
+
+require 'active_support/core_ext/array/access'
+require 'active_support/core_ext/array/wrap'
+require 'active_support/core_ext/enumerable'
+require 'active_support/core_ext/hash/reverse_merge'
+require 'active_support/core_ext/numeric/time'
+require 'active_support/core_ext/numeric/bytes'
+require 'active_support/core_ext/object/blank'
+require 'active_support/core_ext/object/inclusion'
+require 'active_support/core_ext/string/inflections'
+
+require 'singleton'
 require 'elasticsearch_reader/version'
+require 'elasticsearch_reader/config'
 
 module ElasticsearchReader
   # Your code goes here...
+  class << self
+    def config
+      ElasticsearchReader::Config.instance
+    end
+    delegate(*ElasticsearchReader::Config.delegated, to: :config)
+  end
 end

lib/elasticsearch_reader/config.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+module ElasticsearchReader
+  # ElasticsearchReader core configuration.
+  class Config
+    include Singleton
+
+    attr_accessor :settings, :logger,
+
+                  # Where ElasticsearchReader expects to find index definitions
+                  # within a Rails app folder.
+                  :indices_path
+
+    def self.delegated
+      public_instance_methods -
+        superclass.public_instance_methods -
+        Singleton.public_instance_methods
+    end
+
+    def initialize
+      @settings = {}
+      @indices_path = 'app/indices'
+    end
+
+    # ElasticsearchReader configurations. There is two ways to set it up:
+    # use `ElasticsearchReader.settings=` method or, create
+    # `config/elasticsearch_reader.yml` file (ERB supported), this file
+    # support All Elasticsearch::Client options supports.
+    #
+    #        test:
+    #          host: 'localhost:9250'
+    #
+    def configuration
+      yaml_settings.merge(settings.deep_symbolize_keys).tap do |configuration|
+        configuration[:logger]         = logger
+        configuration[:indices_path] ||= indices_path
+      end
+    end
+
+    private
+
+    def yaml_settings
+      @yaml_settings ||= begin
+        file = File.join(Dir.pwd, 'config', 'elasticsearch_reader.yml')
+
+        if File.exist?(file)
+          yaml = ERB.new(File.read(file)).result
+          hash = YAML.safe_load(yaml)
+          hash&.try(:deep_symbolize_keys)
+        end
+      end || {}
+    end
+  end
+end

lib/elasticsearch_reader/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ElasticsearchReader
-  VERSION = '0.1.0'.freeze
+  VERSION = '0.1.0'
 end

spec/elasticsearch_reader/config_spec.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ElasticsearchReader::Config do
+  subject { described_class.send(:new) }
+
+  its(:logger) { should be_nil }
+  its(:indices_path) { should == 'app/indices' }
+
+  describe '#configuration' do
+    before { subject.settings = { indices_path: 'app/foobar' } }
+
+    specify do
+      expect(subject.configuration).to include(indices_path: 'app/foobar')
+    end
+  end
+end

spec/elasticsearch_reader_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe ElasticsearchReader do

spec/spec_helper.rb

@@ -1,5 +1,8 @@
+# frozen_string_literal: true
+
 require 'bundler/setup'
 require 'elasticsearch_reader'
+require 'rspec/its'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure