Rename to Crono

lib/crono/cli.rb

@@ -0,0 +1,23 @@
+require 'crono'
+
+module Crono
+  class CLI
+    include Singleton
+
+    def run
+      load_rails
+      print_banner
+    end
+
+    def print_banner
+      puts "Loading Crono #{Crono::VERSION}"
+      puts "Running in #{RUBY_DESCRIPTION}"
+    end
+
+    def load_rails
+      require 'rails'
+      require File.expand_path("config/environment.rb")
+      ::Rails.application.eager_load!
+    end
+  end
+end

lib/crono/config.rb

@@ -0,0 +1,11 @@
+module Crono
+  class Config
+    include Singleton
+
+    attr_accessor :schedule
+
+    def initialize
+      self.schedule = []
+    end
+  end
+end

lib/crono/performer_proxy.rb

@@ -0,0 +1,15 @@
+module Crono
+  class PerformerProxy
+    def initialize(performer)
+      @performer = performer
+    end
+
+    def every(period, *args)
+      Config.instance.schedule += [@performer, Period.new(period, *args)]
+    end
+  end
+
+  def self.perform(performer)
+    PerformerProxy.new(performer)
+  end
+end

lib/crono/period.rb

@@ -0,0 +1,24 @@
+module Crono
+  class Period
+    def initialize(period, at: nil)
+      @period = period
+      @at_hour, @at_min = parse_at(at) if at
+    end
+
+    def next
+      @period.from_now.change({hour: @at_hour, min: @at_min}.compact)
+    end
+
+    def parse_at(at)
+      case at
+      when String
+        time = Time.parse(at)
+        return time.hour, time.min
+      when Hash
+        return at[:hour], at[:min]
+      else
+        raise "Unknown 'at' format"
+      end
+    end
+  end
+end

lib/crono/version.rb

@@ -0,0 +1,3 @@
+module Crono
+  VERSION = "0.0.1"
+end