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# ===================================================================================================================
# Template for generating a no-frills Rails application with support for Elasticsearch full-text search via Tire
# ===================================================================================================================
#
# This file creates a basic, fully working Rails application with support for Elasticsearch full-text search
# via the Tire gem [http://github.com/karmi/tire].
#
# You DON'T NEED ELASTICSEARCH INSTALLED, it is installed and launched automatically by this script.
#
# Requirements
# ------------
#
# * Git
# * Ruby >= 1.8.7
# * Rubygems
# * Rails >= 3
# * Java 6 or 7 (for Elasticsearch)
#
#
# Usage
# -----
#
# $ rails new tired -m https://github.com/karmi/tire/raw/master/examples/rails-application-template.rb
#
# ===================================================================================================================
require 'rubygems'
begin
require 'restclient'
rescue LoadError
puts "\n"
say_status "ERROR", "Rubygem 'rest-client' not installed\n", :red
puts '-'*80
say_status "", "gem install rest-client"
puts "\n"
if yes?("Should I install it for you?", :bold)
say_status "gem", "install rest-client", :yellow
system "gem install rest-client"
else
exit(1)
end
end
at_exit do
pid = File.read("#{destination_root}/tmp/pids/elasticsearch.pid") rescue nil
if pid
say_status "Stop", "Elasticsearch", :yellow
run "kill #{pid}"
end
end
run "rm public/index.html"
run "rm public/images/rails.png"
run "touch tmp/.gitignore log/.gitignore vendor/.gitignore"
run "rm -f .gitignore"
file ".gitignore", <<-END.gsub(/ /, '')
.DS_Store
log/*.log
tmp/**/*
config/database.yml
db/*.sqlite3
vendor/elasticsearch-0.20.6/
END
git :init
git :add => '.'
git :commit => "-m 'Initial commit: Clean application'"
unless (RestClient.get('http://localhost:9200') rescue false)
COMMAND = <<-COMMAND.gsub(/^ /, '')
curl -k -L -# -o elasticsearch-0.20.6.tar.gz \
"http://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-0.20.6.tar.gz"
tar -zxf elasticsearch-0.20.6.tar.gz
rm -f elasticsearch-0.20.6.tar.gz
./elasticsearch-0.20.6/bin/elasticsearch -p #{destination_root}/tmp/pids/elasticsearch.pid
COMMAND
puts "\n"
say_status "ERROR", "Elasticsearch not running!\n", :red
puts '-'*80
say_status '', "It appears that Elasticsearch is not running on this machine."
say_status '', "Is it installed? Do you want me to install it for you with this command?\n\n"
COMMAND.each_line { |l| say_status '', "$ #{l}" }
puts
say_status '', "(To uninstall, just remove the generated application directory.)"
puts '-'*80, ''
if yes?("Install Elasticsearch?", :bold)
puts
say_status "Install", "Elasticsearch", :yellow
commands = COMMAND.split("\n")
exec = commands.pop
inside("vendor") do
commands.each { |command| run command }
run "(#{exec})" # Launch Elasticsearch in subshell
end
end
end
puts
say_status "Rubygems", "Adding Rubygems into Gemfile...\n", :yellow
puts '-'*80, ''; sleep 1
gem 'tire', :git => 'git://github.com/karmi/tire.git'
gem 'will_paginate', '~> 3.0'
git :add => '.'
git :commit => "-m 'Added gems'"
puts
say_status "Rubygems", "Installing Rubygems...", :yellow
puts '-'*80, ''
puts "********************************************************************************"
puts " Running `bundle install`. Let's watch a movie!"
puts "********************************************************************************", ""
run "bundle install"
puts
say_status "Model", "Adding the Article resource...", :yellow
puts '-'*80, ''; sleep 1
generate :scaffold, "Article title:string content:text published_on:date"
route "root :to => 'articles#index'"
rake "db:migrate"
git :add => '.'
git :commit => "-m 'Added the Article resource'"
puts
say_status "Database", "Seeding the database with data...", :yellow
puts '-'*80, ''; sleep 0.25
run "rm -f db/seeds.rb"
file 'db/seeds.rb', %q{
contents = [
'Lorem ipsum dolor sit amet.',
'Consectetur adipisicing elit, sed do eiusmod tempor incididunt.',
'Labore et dolore magna aliqua.',
'Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.',
'Excepteur sint occaecat cupidatat non proident.'
]
puts "Deleting all articles..."
Article.delete_all
unless ENV['COUNT']
puts "Creating articles..."
%w[ One Two Three Four Five ].each_with_index do |title, i|
Article.create :title => title, :content => contents[i], :published_on => i.days.ago.utc
end
else
puts "Creating 10,000 articles..."
(1..ENV['COUNT'].to_i).each_with_index do |title, i|
Article.create :title => "Title #{title}", :content => 'Lorem', :published_on => i.days.ago.utc
print '.'
end
end
}
rake "db:seed"
git :add => "db/seeds.rb"
git :commit => "-m 'Added database seeding script'"
puts
say_status "Model", "Adding search support into the Article model...", :yellow
puts '-'*80, ''; sleep 1
run "rm -f app/models/article.rb"
file 'app/models/article.rb', <<-CODE
class Article < ActiveRecord::Base
include Tire::Model::Search
include Tire::Model::Callbacks
end
CODE
initializer 'tire.rb', <<-CODE
Tire.configure do
# url 'http://localhost:9200'
# logger STDERR
end
CODE
git :commit => "-a -m 'Added Tire support into the Article class and an initializer'"
puts
say_status "Controller", "Adding controller action, route, and HTML for search...", :yellow
puts '-'*80, ''; sleep 1
gsub_file 'app/controllers/articles_controller.rb', %r{# GET /articles/1$}, <<-CODE
# GET /articles/search
def search
@articles = Article.tire.search params[:q]
render :action => "index"
end
# GET /articles/1
CODE
gsub_file 'app/views/articles/index.html.erb', %r{<h1>Listing articles</h1>}, <<-CODE
<h1>Listing articles</h1>
<%= form_tag search_articles_path, :method => 'get' do %>
<%= label_tag :query %>
<%= text_field_tag :q, params[:q] %>
<%= submit_tag :search %>
<% end %>
<hr>
CODE
gsub_file 'app/views/articles/index.html.erb', %r{<%= link_to 'New Article', new_article_path %>}, <<-CODE
<%= link_to 'New Article', new_article_path %>
<%= link_to 'Back', articles_path if params[:q] %>
CODE
gsub_file 'config/routes.rb', %r{resources :articles}, <<-CODE
resources :articles do
collection { get :search }
end
CODE
git :commit => "-a -m 'Added Tire support into the frontend of application'"
puts
say_status "Index", "Indexing the database...", :yellow
puts '-'*80, ''; sleep 0.5
rake "environment tire:import:model CLASS='Article' FORCE=true"
puts
say_status "Git", "Details about the application:", :yellow
puts '-'*80, ''
run "git log --reverse --pretty=format:'%Cblue%h%Creset | %s'"
if (begin; RestClient.get('http://localhost:3000'); rescue Errno::ECONNREFUSED; false; rescue Exception; true; end)
puts "\n"
say_status "ERROR", "Some other application is running on port 3000!\n", :red
puts '-'*80
port = ask("Please provide free port:", :bold)
else
port = '3000'
end
puts "", "="*80
say_status "DONE", "\e[1mStarting the application. Open http://localhost:#{port}\e[0m", :yellow
puts "="*80, ""
run "rails server --port=#{port}"
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