Use Rails plugin generator and adapt

Gemfile.lock

@@ -2,77 +2,170 @@ PATH
   remote: .
   specs:
     crono (1.1.2)
-      activerecord (>= 4.0)
+      rails (>= 4.0)
-      activesupport (>= 4.0)
+      rspec (>= 3.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (5.0.0.1)
+    actioncable (6.1.2)
-      activesupport (= 5.0.0.1)
+      actionpack (= 6.1.2)
-    activerecord (5.0.0.1)
+      activesupport (= 6.1.2)
-      activemodel (= 5.0.0.1)
+      nio4r (~> 2.0)
-      activesupport (= 5.0.0.1)
+      websocket-driver (>= 0.6.1)
-      arel (~> 7.0)
+    actionmailbox (6.1.2)
-    activesupport (5.0.0.1)
+      actionpack (= 6.1.2)
+      activejob (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
+      mail (>= 2.7.1)
+    actionmailer (6.1.2)
+      actionpack (= 6.1.2)
+      actionview (= 6.1.2)
+      activejob (= 6.1.2)
+      activesupport (= 6.1.2)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (6.1.2)
+      actionview (= 6.1.2)
+      activesupport (= 6.1.2)
+      rack (~> 2.0, >= 2.0.9)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.1.2)
+      actionpack (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
+      nokogiri (>= 1.8.5)
+    actionview (6.1.2)
+      activesupport (= 6.1.2)
+      builder (~> 3.1)
+      erubi (~> 1.4)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.1.2)
+      activesupport (= 6.1.2)
+      globalid (>= 0.3.6)
+    activemodel (6.1.2)
+      activesupport (= 6.1.2)
+    activerecord (6.1.2)
+      activemodel (= 6.1.2)
+      activesupport (= 6.1.2)
+    activestorage (6.1.2)
+      actionpack (= 6.1.2)
+      activejob (= 6.1.2)
+      activerecord (= 6.1.2)
+      activesupport (= 6.1.2)
+      marcel (~> 0.3.1)
+      mimemagic (~> 0.3.2)
+    activesupport (6.1.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 1.6, < 2)
-      minitest (~> 5.1)
+      minitest (>= 5.1)
-      tzinfo (~> 1.1)
+      tzinfo (~> 2.0)
-    arel (7.1.4)
+      zeitwerk (~> 2.3)
-    byebug (9.0.6)
+    builder (3.2.4)
-    concurrent-ruby (1.0.2)
+    byebug (11.1.3)
-    daemons (1.2.4)
+    concurrent-ruby (1.1.8)
-    diff-lcs (1.2.5)
+    crass (1.0.6)
-    haml (4.0.7)
+    daemons (1.3.1)
-      tilt
+    diff-lcs (1.4.4)
-    i18n (0.7.0)
+    erubi (1.10.0)
-    minitest (5.9.1)
+    globalid (0.4.2)
-    rack (1.6.5)
+      activesupport (>= 4.2.0)
-    rack-protection (1.5.3)
+    i18n (1.8.8)
-      rack
+      concurrent-ruby (~> 1.0)
-    rack-test (0.6.3)
+    loofah (2.9.0)
-      rack (>= 1.0)
+      crass (~> 1.0.2)
-    rake (11.3.0)
+      nokogiri (>= 1.5.9)
-    rspec (3.5.0)
+    mail (2.7.1)
-      rspec-core (~> 3.5.0)
+      mini_mime (>= 0.1.1)
-      rspec-expectations (~> 3.5.0)
+    marcel (0.3.3)
-      rspec-mocks (~> 3.5.0)
+      mimemagic (~> 0.3.2)
-    rspec-core (3.5.4)
+    method_source (1.0.0)
-      rspec-support (~> 3.5.0)
+    mimemagic (0.3.5)
-    rspec-expectations (3.5.0)
+    mini_mime (1.0.2)
+    minitest (5.14.3)
+    nio4r (2.5.5)
+    nokogiri (1.11.1-arm64-darwin)
+      racc (~> 1.4)
+    racc (1.5.2)
+    rack (2.2.3)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (6.1.2)
+      actioncable (= 6.1.2)
+      actionmailbox (= 6.1.2)
+      actionmailer (= 6.1.2)
+      actionpack (= 6.1.2)
+      actiontext (= 6.1.2)
+      actionview (= 6.1.2)
+      activejob (= 6.1.2)
+      activemodel (= 6.1.2)
+      activerecord (= 6.1.2)
+      activestorage (= 6.1.2)
+      activesupport (= 6.1.2)
+      bundler (>= 1.15.0)
+      railties (= 6.1.2)
+      sprockets-rails (>= 2.0.0)
+    rails-dom-testing (2.0.3)
+      activesupport (>= 4.2.0)
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (6.1.2)
+      actionpack (= 6.1.2)
+      activesupport (= 6.1.2)
+      method_source
+      rake (>= 0.8.7)
+      thor (~> 1.0)
+    rake (13.0.3)
+    rspec (3.10.0)
+      rspec-core (~> 3.10.0)
+      rspec-expectations (~> 3.10.0)
+      rspec-mocks (~> 3.10.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.5.0)
+      rspec-support (~> 3.10.0)
-    rspec-mocks (3.5.0)
+    rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.5.0)
+      rspec-support (~> 3.10.0)
-    rspec-support (3.5.0)
+    rspec-support (3.10.2)
-    sinatra (1.4.7)
+    sprockets (4.0.2)
-      rack (~> 1.5)
+      concurrent-ruby (~> 1.0)
-      rack-protection (~> 1.4)
+      rack (> 1, < 3)
-      tilt (>= 1.3, < 3)
+    sprockets-rails (3.2.2)
-    sqlite3 (1.3.12)
+      actionpack (>= 4.0)
-    thread_safe (0.3.5)
+      activesupport (>= 4.0)
-    tilt (2.0.5)
+      sprockets (>= 3.0.0)
-    timecop (0.8.1)
+    sqlite3 (1.4.2)
-    tzinfo (1.2.2)
+    thor (1.1.0)
-      thread_safe (~> 0.1)
+    timecop (0.9.4)
+    tzinfo (2.0.4)
+      concurrent-ruby (~> 1.0)
+    websocket-driver (0.7.3)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.4.2)
 
 PLATFORMS
-  ruby
+  arm64-darwin-20
 
 DEPENDENCIES
   bundler (>= 1.0.0)
   byebug
   crono!
   daemons
-  haml
   rack-test
   rake (>= 10.0)
   rspec (>= 3.0)
-  sinatra
   sqlite3
   timecop (>= 0.7)
 
 BUNDLED WITH
-   1.13.6
+   2.2.7

README.md

@@ -171,19 +171,13 @@ There are "start", "stop", and "restart" commands.
 
 ## Web UI
 
-Crono comes with a Sinatra application that can display the current state of Crono jobs.  
+Crono can display the current state of Crono jobs.  
-Add `sinatra` and `haml` to your Gemfile  
-
-```ruby
-gem 'haml'
-gem 'sinatra', require: nil
-```
 
 Add the following to your `config/routes.rb`:
 
 ```ruby
 Rails.application.routes.draw do
-    mount Crono::Web, at: '/crono'
+    mount Crono::Engine, at: '/crono'
     ...
 ```
 

Rakefile

@@ -1,6 +1,5 @@
-require 'bundler/gem_tasks'
+require "bundler/setup"
 
-require 'rspec/core/rake_task'
+load "rails/tasks/statistics.rake"
-RSpec::Core::RakeTask.new('spec')
 
-task default: :spec
+require "bundler/gem_tasks"

app/assets/stylesheets/crono/application.css

@@ -0,0 +1,26 @@
+nav {
+  position: relative;
+  z-index: 2;
+}
+nav .brand-logo {
+  font-size: 1.75em;
+  letter-spacing: -0.05em;
+}
+
+main {
+  position: relative;
+  z-index: 1;
+  padding: 20px;
+}
+
+main .page-footer {
+  margin: 0 -20px -20px -20px;
+}
+
+.page-footer > .footer-copyright {
+  padding: 20px;
+}
+
+.responsive-overflow {
+  overflow-x: auto;
+}

app/controllers/crono/application_controller.rb

@@ -0,0 +1,5 @@
+module Crono
+  class ApplicationController < ActionController::Base
+    protect_from_forgery with: :exception
+  end
+end

app/controllers/crono/jobs_controller.rb

@@ -0,0 +1,11 @@
+module Crono
+  class JobsController < ApplicationController
+    def index
+      @jobs = Crono::CronoJob.all
+    end
+
+    def show
+      @job = Crono::CronoJob.find(params[:id])
+    end
+  end
+end

app/views/crono/jobs/index.html.erb

@@ -0,0 +1,54 @@
+<header>
+  <h4>Running Jobs</h4>
+</header>
+
+<div class="responsive-overflow">
+  <table id="job_list">
+    <tr>
+      <th>Job</th>
+      <th>Last performed at</th>
+      <th>Status</th>
+      <th></th>
+    </tr>
+    <% @jobs.each do |job| %>
+      <tr>
+        <td>
+          <%= job.job_id %>
+        </td>
+        <td>
+          <%= job.last_performed_at || 'Never performed yet' %>
+        </td>
+        <td>
+          <% if job.last_performed_at.nil? %>
+            <span class="grey-text darken-3" title="This job has never been performed yet.">
+              <i class="mdi-device-access-time"></i>
+              Pending
+            </span>
+          <% elsif job.healthy %>
+            <a href="<%= job_path(job) %>">
+              <span class="green-text darken-3" title="This job was performed successfully.">
+                <i class="mdi-action-done"></i>
+                Success
+              </span>
+            </a>
+          <% else %>
+            <a href="<%= job_path(job) %>">
+              <span class="red-text" title="There were problems with this job. Follow the link to check the log.">
+                <i class="mdi-alert-warning"></i>
+                Error
+              </span>
+            </a>
+          <% end %>
+        </td>
+        <td>
+          <% if job.last_performed_at %>
+            <a href="<%= job_path(job) %>" class="right">
+              Log
+              <i class="mdi-navigation-chevron-right"></i>
+            </a>
+          <% end %>
+        </td>
+      </tr>
+    <% end %>
+  </table>
+</div>

app/views/crono/jobs/show.html.erb

@@ -0,0 +1,17 @@
+<header class="blue-grey lighten-4 grey-text text-darken-4">
+  <a href="<%= root_url %>">
+    <i class="mdi-navigation-chevron-left"></i>
+    &lsaquo; Back to Home
+  </a>
+  <h4>Last log of <i><%= @job.job_id %></i>:</h4>
+</header>
+<% if @job.healthy == false %>
+  <div class="row red-text">
+    <div class="s12 center-align">
+      <i class="mdi-alert-warning"></i>
+      An error occurs during the last execution of this job.
+      Check the log below for details.
+    </div>
+  </div>
+<% end %>
+<pre class="responsive-overflow"><%= @job.log %></pre>

app/views/layouts/crono/application.html.erb

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8"/>
+    <meta content="IE=edge" http-equiv="X-UA-Compatible"/>
+    <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport"/>
+    <title>Crono Dashboard</title>
+    <%= stylesheet_link_tag 'crono/materialize.min.css', media: "all" %>
+    <%= stylesheet_link_tag 'crono/application', media: "all" %>
+    <%= csrf_meta_tags %>
+  </head>
+
+  <body class="blue-grey darken-2">
+    <nav class="blue-grey white-text" role="navigation">
+      <a class="brand-logo center" href="<%= root_path %>">
+        <b>Crono</b> Dashboard
+      </a>
+    </nav>
+    <main class="container blue-grey lighten-4">
+
+      <%= yield %>
+
+      <footer class="page-footer blue-grey darken-2">
+        <div class="footer-copyright blue-grey">
+          Crono v<%= Crono::VERSION %>
+          <a class="right" href="https://github.com/plashchynski/crono" target="_blank">Documentation</a>
+        </div>
+      </footer>
+    </main>
+  </body>
+</html>

bin/rails

@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+# This command will automatically be run when you run "rails" with Rails gems
+# installed from the root of your application.
+
+ENGINE_ROOT = File.expand_path('..', __dir__)
+ENGINE_PATH = File.expand_path('../lib/crono/engine', __dir__)
+
+# Set up gems listed in the Gemfile.
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+
+require 'rails'
+# Pick the frameworks you want:
+require 'active_model/railtie'
+require 'active_job/railtie'
+require 'active_record/railtie'
+require 'active_storage/engine'
+require 'action_controller/railtie'
+require 'action_mailer/railtie'
+require 'action_view/railtie'
+require 'action_cable/engine'
+# require "sprockets/railtie"
+# require "rails/test_unit/railtie"
+require 'rails/engine/commands'

config/routes.rb

@@ -0,0 +1,4 @@
+Crono::Engine.routes.draw do
+  resources :jobs
+  root 'jobs#index'
+end

crono.gemspec

@@ -1,7 +1,4 @@
-# coding: utf-8
+require_relative 'lib/crono/version'
-lib = File.expand_path('../lib', __FILE__)
-$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'crono/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'crono'
@@ -14,21 +11,20 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/plashchynski/crono'
   spec.license       = 'Apache-2.0'
 
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  spec.files = Dir['{app,config,db,lib}/**/*', 'LICENSE', 'Rakefile', 'README.rdoc']
   spec.bindir        = 'exe' # http://bundler.io/blog/2015/03/20/moving-bins-to-exe.html
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.executables   = ['crono']
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'activesupport', '>= 4.0'
+  spec.add_dependency 'rails', '>= 4.0'
-  spec.add_runtime_dependency 'activerecord', '>= 4.0'
+  spec.add_dependency 'rspec', '>= 3.0'
-  spec.add_development_dependency 'rake', '>= 10.0'
+
   spec.add_development_dependency 'bundler', '>= 1.0.0'
-  spec.add_development_dependency 'rspec', '>= 3.0'
-  spec.add_development_dependency 'timecop', '>= 0.7'
-  spec.add_development_dependency 'sqlite3'
   spec.add_development_dependency 'byebug'
-  spec.add_development_dependency 'sinatra'
-  spec.add_development_dependency 'haml'
-  spec.add_development_dependency 'rack-test'
   spec.add_development_dependency 'daemons'
+  spec.add_development_dependency 'rack-test'
+  spec.add_development_dependency 'rake', '>= 10.0'
+  spec.add_development_dependency 'rspec', '>= 3.0'
+  spec.add_development_dependency 'sqlite3'
+  spec.add_development_dependency 'timecop', '>= 0.7'
 end

lib/crono.rb

@@ -2,8 +2,10 @@
 module Crono
 end
 
+require 'rails'
 require 'active_support/all'
 require 'crono/version'
+require 'crono/engine'
 require 'crono/logging'
 require 'crono/period'
 require 'crono/time_of_day'
@@ -15,5 +17,3 @@ require 'crono/performer_proxy'
 require 'crono/cronotab'
 require 'crono/orm/active_record/crono_job'
 require 'crono/railtie' if defined?(Rails)
-
-Crono.autoload :Web, 'crono/web'

lib/crono/engine.rb

@@ -0,0 +1,9 @@
+module Crono
+  class Engine < ::Rails::Engine
+    isolate_namespace Crono
+
+    initializer 'crono.assets.precompile' do |app|
+      app.config.assets.precompile += %w( crono/application.css crono/materialize.min.css )
+    end
+  end
+end

lib/crono/job.rb

@@ -76,7 +76,7 @@ module Crono
     end
 
     def perform_job
-      performer.new.perform *JSON.parse(job_args)
+      performer.new.perform JSON.parse(job_args)
     rescue StandardError => e
       handle_job_fail(e)
     else

lib/crono/orm/active_record/crono_job.rb

@@ -3,6 +3,7 @@ require 'active_record'
 module Crono
   # Crono::CronoJob is a ActiveRecord model to store job state
   class CronoJob < ActiveRecord::Base
+    self.table_name = 'crono_jobs'
     validates :job_id, presence: true, uniqueness: true
 
     def self.outdated

lib/crono/performer_proxy.rb

@@ -7,8 +7,8 @@ module Crono
       @job_args = job_args
     end
 
-    def every(period, *args)
+    def every(period, **options)
-      @job = Job.new(@performer, Period.new(period, *args), @job_args, @options)
+      @job = Job.new(@performer, Period.new(period, **options), @job_args, @options)
       @scheduler.add_job(@job)
       self
     end

lib/crono/web.rb

@@ -1,22 +0,0 @@
-require 'haml'
-require 'sinatra/base'
-require 'crono'
-
-module Crono
-  # Web is a Web UI Sinatra app
-  class Web < Sinatra::Base
-    set :root, File.expand_path(File.dirname(__FILE__) + '/../../web')
-    set :public_folder, proc { "#{root}/assets" }
-    set :views, proc { "#{root}/views" }
-
-    get '/' do
-      @jobs = Crono::CronoJob.all
-      haml :dashboard, format: :html5
-    end
-
-    get '/job/:id' do
-      @job = Crono::CronoJob.find(params[:id])
-      haml :job
-    end
-  end
-end