RRUG#16 Snippets

1.rb

desc 'Rake task description'
task :name_of_task do
  # Your code goes here
end

#> rake name_of_task

2.rb

namespace :mailchimp
  desc 'Import users from Mailchimp'
  task :import_users do
    Mailchimp::ImportUsers.call
  end
end

namespace :mailchimp
  desc 'Import users from Mailchimp'
  task :import_users do
    puts 'Importing users from Mailchimp'

    result = Mailchimp::ImportUsers.call
    
    puts "Successfully imported #{result} users!"
  end
end

3.rb

namespace :cleanup
  desc 'Cleanup bad fees'
  task :fix_bad_fees do
    query = Cleanup::FixBadFees::Query.call

    progress_bar = ProgressBar.create(
      title: 'Fixing bad fees by adding a discount',
      total: query.count
    )

    result = Cleanup::FixBadFees::Task.call(query: query) do 
      progress_bar.increment
    end
    
    puts "Successfully fixed #{result} fees!"
  end
end

module Cleanup
  module FixBadFees
    class Task
      def self.call(*args, &block)
        new.self(*args, &block)
      end
      
      def call(query:)
        query.find_each do
          # Fix bad fees
          yield if block_given?
        end
      end
    end
  end
end