Initial commit

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

.rspec

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+--color
+--backtrace
+--order random

.rvmrc

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+rvm use 1.9.3@chewy --create

.travis.yml

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+language: ruby
+rvm:
+  - 1.9.3
+  - 2.0.0
+  - rbx
+services:
+  - elasticsearch

Gemfile

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+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in chewy.gemspec
+gemspec
+
+group :test do
+  gem 'guard'
+  gem 'guard-rspec'
+  gem 'rb-inotify', require: false
+  gem 'rb-fsevent', require: false
+  gem 'rb-fchange', require: false
+end

LICENSE.txt

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+Copyright (c) 2013 pyromaniac
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Chewy
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'chewy'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install chewy
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it ( http://github.com/<my-github-username>/chewy/fork )
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request

Rakefile

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+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :default => :spec

chewy.gemspec

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+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'chewy/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = 'chewy'
+  spec.version       = Chewy::VERSION
+  spec.authors       = ["pyromaniac"]
+  spec.email         = ["[email protected]"]
+  spec.summary       = %q{TODO: Write a short summary. Required.}
+  spec.description   = %q{TODO: Write a longer description. Optional.}
+  spec.homepage      = ""
+  spec.license       = "MIT"
+
+  spec.files         = `git ls-files`.split($/)
+  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency 'bundler'
+  spec.add_development_dependency 'rake'
+  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency 'sqlite3'
+  spec.add_development_dependency 'kaminari'
+  spec.add_development_dependency 'activerecord', '>= 3.2'
+  spec.add_development_dependency 'database_cleaner'
+  spec.add_development_dependency 'rubysl', '~> 2.0' if RUBY_ENGINE == 'rbx'
+
+  spec.add_dependency 'activesupport', '>= 3.2'
+  spec.add_dependency 'elasticsearch'
+  spec.add_dependency 'elasticsearch'
+end

lib/chewy.rb

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+require 'active_support/concern'
+require 'active_support/core_ext'
+require 'active_support/json'
+require 'singleton'
+
+require 'elasticsearch'
+
+require 'chewy/version'
+require 'chewy/config'
+require 'chewy/index'
+require 'chewy/type'
+require 'chewy/query'
+require 'chewy/fields/base'
+require 'chewy/fields/default'
+require 'chewy/fields/root'
+
+ActiveSupport.on_load(:active_record) do
+  extend Chewy::Type::Observe::ActiveRecordMethods
+end
+
+module Chewy
+  class Error < StandardError
+  end
+
+  class UndefinedIndex < Error
+  end
+
+  class UndefinedType < Error
+  end
+
+  class UnderivableType < Error
+  end
+
+  def self.derive_type name
+    return name if name.is_a?(Class) && name < Chewy::Type
+
+    index_name, type_name = name.split('#', 2)
+    class_name = "#{index_name.camelize}Index"
+    index = class_name.safe_constantize
+    raise Chewy::UnderivableType.new("Can not find index named `#{class_name}`") unless index && index < Chewy::Index
+    type = if type_name.present?
+      index.types[type_name] or raise Chewy::UnderivableType.new("Index `#{class_name}` doesn`t have type named `#{type_name}`")
+    elsif index.types.values.one?
+      index.types.values.first
+    else
+      raise Chewy::UnderivableType.new("Index `#{class_name}` has more than one type, please specify type via `#{index_name}#type_name`")
+    end
+  end
+
+  def self.config
+    Chewy::Config.instance
+  end
+
+  singleton_class.delegate *Chewy::Config.delegated, to: :config
+end

lib/chewy/config.rb

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+module Chewy
+  class Config
+    include Singleton
+
+    attr_accessor :observing_enabled, :client_options
+
+    def self.delegated
+      public_instance_methods - self.superclass.public_instance_methods - Singleton.public_instance_methods
+    end
+
+    def initialize
+      @observing_enabled = true
+      @client_options = {}
+    end
+
+    def client_options
+      yaml_options = if defined? Rails
+        file = Rails.root.join(*%w(config chewy.yml))
+        YAML.load_file(file)[Rails.env].try(:deep_symbolize_keys) if File.exists?(file)
+      end
+      @client_options.merge(yaml_options || {})
+    end
+
+    def atomic?
+      atomic_stash.any?
+    end
+
+    def atomic
+      atomic_stash.push({})
+      result = yield
+      atomic_stash.last.each { |type, ids| type.import(ids) }
+      result
+    ensure
+      atomic_stash.pop
+    end
+
+    def atomic_stash(type = nil, *ids)
+      if type
+        raise ArgumentError.new('Only Chewy::Type accepted as the first argument') unless type < Chewy::Type
+        atomic_stash.push({}) unless atomic_stash.last
+        atomic_stash.last[type] ||= []
+        atomic_stash.last[type] |= ids.flatten
+      else
+        Thread.current[:chewy_atomic] ||= []
+      end
+    end
+  end
+end

lib/chewy/fields/base.rb

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+module Chewy
+  module Fields
+    class Base
+      attr_reader :name, :options, :value
+
+      def initialize(name, options = {})
+        @name, @options, @nested = name.to_sym, options, {}
+        @value = @options.delete(:value)
+      end
+
+      def multi_field?
+        @options[:type] == 'multi_field'
+      end
+
+      def compose(object)
+        result = value ? value.call(object) : object.send(name)
+
+        result = if result.is_a?(Enumerable)
+          result.map { |object| nested_compose(object) }
+        else
+          nested_compose(result)
+        end if nested.any? && !multi_field?
+
+        {name => result.as_json}
+      end
+
+      def nested(field = nil)
+        if field
+          @nested[field.name] = field
+        else
+          @nested
+        end
+      end
+
+      def mappings_hash
+        subfields = nested.any? ? {
+          (multi_field? ? :fields : :properties) => nested.values.map(&:mappings_hash).inject(:merge)
+        } : {}
+        {name => options.merge(subfields)}
+      end
+
+      private
+
+      def nested_compose(value)
+        nested.values.map { |field| field.compose(value) }.inject(:merge)
+      end
+    end
+  end
+end

lib/chewy/fields/default.rb

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+module Chewy
+  module Fields
+    class Default < Chewy::Fields::Base
+      def initialize(name, options = {})
+        options.reverse_merge!(type: 'string')
+        super(name, options)
+      end
+    end
+  end
+end

lib/chewy/fields/root.rb

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+module Chewy
+  module Fields
+    class Root < Chewy::Fields::Base
+      def initialize(name, options = {})
+        options.reverse_merge!(value: ->(_){_})
+        super(name, options)
+      end
+    end
+  end
+end

lib/chewy/index.rb

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+require 'chewy/index/actions'
+require 'chewy/index/client'
+require 'chewy/index/search'
+
+module Chewy
+  class Index
+    include Actions
+    include Client
+    include Search
+
+    class_attribute :types
+    self.types = {}
+
+    class_attribute :_settings
+    self._settings = {}
+
+    def self.define_type(type_class = nil, &block)
+      if block
+        name = type_class.presence || index_name.singularize
+        type_class = Class.new(Chewy::Type) { type_name name }
+        type_class.index = self
+        type_class.class_eval &block
+      else
+        type_class.index = self
+      end
+
+      self.types = types.merge(type_class.type_name => type_class)
+
+      class_eval <<-RUBY, __FILE__, __LINE__ + 1
+        def self.#{type_class.type_name}
+          types['#{type_class.type_name}']
+        end
+      RUBY
+    end
+
+    def self.settings(params)
+      self._settings = params
+    end
+
+    def self.index_name(suggest = nil)
+      if suggest
+        @index_name = suggest.to_s
+      else
+        @index_name ||= (name.gsub(/Index\Z/, '').demodulize.underscore if name)
+      end
+      @index_name or raise UndefinedIndex
+    end
+
+    def self.settings_hash
+      _settings.present? ? {settings: _settings} : {}
+    end
+
+    def self.mappings_hash
+      mappings = types.values.map(&:mappings_hash).inject(:merge)
+      mappings.present? ? {mappings: mappings} : {}
+    end
+
+    def self.index_params
+      [settings_hash, mappings_hash].inject(:merge)
+    end
+
+    def self.search_index
+      self
+    end
+
+    def self.search_type
+      types.keys
+    end
+
+    def self.import
+      types.values.all? { |t| t.import }
+    end
+
+    def self.reset
+      index_purge!
+      import
+    end
+  end
+end