Class: SetAttributes

Inherits:
Object
  • Object
show all
Defined in:
lib/set_attributes/attribute.rb,
lib/set_attributes/controls/hash.rb,
lib/set_attributes/set_attributes.rb,
lib/set_attributes/controls/object.rb

Defined Under Namespace

Modules: Attribute, Controls

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(receiver, data) ⇒ SetAttributes

Returns a new instance of SetAttributes.



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# File 'lib/set_attributes/set_attributes.rb', line 20

def initialize(receiver, data)
  @receiver = receiver
  @data = data
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/set_attributes/set_attributes.rb', line 3

def data
  @data
end

#exclude ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 12

def exclude
  @exclude ||= []
end

#include ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 8

def include
  @include ||= []
end

#receiver ⇒ Object (readonly)

Returns the value of attribute receiver.



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# File 'lib/set_attributes/set_attributes.rb', line 2

def receiver
  @receiver
end

#strict ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 16

def strict
  @strict ||= false
end

Class Method Details

.build(receiver, data, copy: nil, include: nil, exclude: nil, strict: nil) ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 25

def self.build(receiver, data, copy: nil, include: nil, exclude: nil, strict: nil)
  strict ||= false

  unless data.respond_to? :to_h
    raise ArgumentError, "#{data} can't be used to set attributes. It can't be converted to Hash."
  end

  unless data.is_a? Hash
    data = data.to_h
  end

  exclude ||= []
  exclude = Array(exclude)

  unless copy.nil?
    include = copy
  end

  include ||= []
  include = Array(include)
  include = data.keys if include.empty?

  new(receiver, data).tap do |instance|
    instance.include = include
    instance.exclude = exclude
    instance.strict = strict
  end
end

.call(receiver, data, include: nil, copy: nil, exclude: nil, strict: nil) ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 54

def self.call(receiver, data, include: nil, copy: nil, exclude: nil, strict: nil)
  instance = build(receiver, data, copy: copy, include: include, exclude: exclude, strict: strict)
  instance.()
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 59

def call
  include_mapping = self.include_mapping
  attributes = (data.keys & include_mapping.keys) - exclude

  set_attributes = []
  attributes.each do |from_attribute|
    to_attribute = include_mapping[from_attribute]

    value = data[from_attribute]

    Attribute.set(receiver, to_attribute, value, strict: strict)

    set_attributes << to_attribute
  end
  set_attributes
end

#include_mapping ⇒ Object 



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# File 'lib/set_attributes/set_attributes.rb', line 76

def include_mapping
  mapping = {}
  include.each do |item|
    if item.is_a? Hash
      mapping[item.keys.first] = item.values.first
    else
      mapping[item] = item
    end
  end
  mapping
end