travisofthenorth

class Array
  def contains_sum?(n)
    return false if n.nil?
    low = 0
    high = 0
    sum = first

    while sum != n && low < size
      if sum < n || low == high
        return false if high == size - 1

travisofthenorth

# Upload local file at filepath to <fog_directory>/directory/filename
def upload_file(filepath, directory, filename: nil, acl: 'public-read')
  filename ||= File.basename(filepath)

  s3 = Aws::S3::Resource.new(region: region)
  obj = s3.bucket(bucket).object("#{directory}/#{filename}")
  obj.upload_file(filepath, acl: acl)
end

# Download file from <fog_directory>/remote_filepath to local filepath

travisofthenorth

module IndexSearchable
  extend ActiveSupport::Concern

  class_methods do
    def search(options = {})
      queries = searchable_terms.map { |term| term_search(term, options[term.to_sym]) }
      queries << query_search(options[:query])
      queries.compact.reduce(:merge)
    end

travisofthenorth

module MorePluckable
  extend ActiveSupport::Concern

  class_methods do
    def pluck_in_batches(*column_names, batch_size: 1000)
      column_names = column_names.map(&:to_sym)
      column_names.delete(:id)
      column_names.unshift(:id)

      data = []

travisofthenorth

[development] # CREATE TABLE test (id integer, name text);
[development] # ALTER TABLE test ADD CHECK (name is not null) NOT VALID;
[development] # \d test
     Table "public.test"
 Column |  Type   | Modifiers
--------+---------+-----------
 id     | integer |
 name   | text    |
Check constraints:
    "test_name_check" CHECK (name IS NOT NULL) NOT VALID

travisofthenorth

class PaymentsController < AuthenticatedController
  before_action { authorize!(roles: [:superuser], abilities: [:charge_user, :manage_payments]) }
end

class AuthenticatedController < ApplicationController
  def authorize!(roles: [], abilities: [])
    # current
    (roles & current_user.roles).any? || (abilities & current_user.abilities).any?
    
    # desired