Class: Sandals::BindingResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/sandals/binding_resolver.rb

Defined Under Namespace

Classes: Resolution

Constant Summary collapse

UNSET = 
Object.new.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model:, bind:, value:, error:, action:, default:) ⇒ BindingResolver

Returns a new instance of BindingResolver.



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# File 'lib/sandals/binding_resolver.rb', line 12

def initialize(model:, bind:, value:, error:, action:, default:)
  @model = model
  @bind = bind
  @value = value
  @error = error
  @action = action
  @default = default
end

Class Method Details

.resolve(**options) ⇒ Object 



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# File 'lib/sandals/binding_resolver.rb', line 8

def self.resolve(**options)
  new(**options).resolve
end

Instance Method Details

#resolve ⇒ Object 



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# File 'lib/sandals/binding_resolver.rb', line 21

def resolve
  return explicit_resolution unless binding_requested?

  validate_binding

  attribute = @bind.to_sym
  writer = :"#{attribute}="
  validate_accessors(attribute, writer)

  Resolution.new(
    @model.public_send(attribute),
    resolved_error(attribute),
    ->(new_value) { @model.public_send(writer, new_value) }
  )
end