module Rubanok

Rubanok provides a DSL to build parameters-based data transformers.

Example:

class CourseSessionProcessor < Rubanok::Processor
  map :q do |q:|
    raw.searh(q)
  end
end

class CourseSessionController < ApplicationController
  def index
    @sessions = rubanok_process(CourseSession.all)
  end
end

Constants

Plane

Base class for processors (planes)

Define transformation rules via `map` and `match` methods and apply them by calling the processor:

class MyTransformer < Rubanok::Processor
  map :type do
    raw.where(type: type)
  end
end

MyTransformer.call(MyModel.all, {type: "public"})

NOTE: the second argument (`params`) MUST be a Hash. Keys could be either Symbols or Strings (we automatically transform strings to symbols while matching rules).

All transformation methods are called within the context of the instance of a processor class.

You can access the input data via `raw` method.

VERSION

Attributes

fail_when_no_matches[RW]

Define wheter to fail when `match` rule cannot find matching value

ignore_empty_values[RW]

Define whether to ignore empty values in params or not. When the value is empty and ignored the corresponding matcher/mapper is not activated (true by default)

Public Instance Methods

empty?() click to toggle source

# File lib/rubanok/rule.rb, line 6
def empty?
  true
end