Wisper Gem Usage basic example

wisper.rb

require 'wisper'

SLEEP = 0.5

class Sync
  include Wisper::Publisher

  def start(user_id)
    broadcast :start, user_id
    sleep SLEEP
    broadcast :matching, user_id
    sleep SLEEP
    broadcast :categories, user_id
    sleep SLEEP
    broadcast :finish, user_id

    nested = NestedSync.new
    nested.on(:nested) { |param| broadcast :nested, param }
    nested.start_nested

    nested.start_nested_block { |param| broadcast :nested, param }
  end
end

class NestedSync
  include Wisper::Publisher
  def start_nested
    broadcast :nested, 'nested'
  end
  def start_nested_block
    yield({current: 10, total: 300})
  end
end

class SyncNotifier
  def start(id) puts "Starting to sync #{id}" end
  def matching(id) puts "Matching products for #{id}" end
  define_method(:categories) {|id| puts "Matching categories #{id}" }
  def finish(id) puts "Finished syncing for #{id}" end
end

#s = Sync.new
#s.subscribe(SyncNotifier.new)
#s.start(124)

puts

s = Sync.new
s.on(:start) { |id| puts "started #{id}" }
 .on(:matching) { |id| puts "matching #{id}" }
 .on(:categories) { |id| puts "categories #{id}" }
 .on(:finish) { |id| puts "finish #{id}" }
 .on(:nested) { |txt| puts txt }
s.start(99)