Class: ActsAsTable::RecordModelClassMethods::FindOrInitializeBy

Inherits:
Object
  • Object
show all
Defined in:
app/models/concerns/acts_as_table/record_model_class_methods.rb

Overview

ActsAsTable "destructive" traversal (creates new records if they are not found and updates persisted records).

Direct Known Subclasses

GetValue, SetValue

Instance Method Summary collapse

Instance Method Details

#arity ⇒ Integer

Returns the number of mandatory arguments.

Returns:

  • (Integer) 


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# File 'app/models/concerns/acts_as_table/record_model_class_methods.rb', line 159

def arity
  1
end

#call(record_model, base = nil) ⇒ ActsAsTable::ValueProvider::WrappedValue

Invokes the traversal.

Parameters:

Returns:

Raises:

  • (ArgumentError) —

    If the name of a class for a given record does not match the class name for the corresponding ActsAsTable record model.



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# File 'app/models/concerns/acts_as_table/record_model_class_methods.rb', line 169

def call(record_model, base = nil)
  raise ::NotImplementedError.new("#{self.class}#call")
end

#inject(acc, record_model, base = nil) {|acc, path| ... } ⇒ Object

Combine all ActsAsTable paths using an associative binary operation.

Parameters:

Yield Parameters:

Yield Returns:

  • (Object)

Returns:

  • (Object)

Raises:

  • (ArgumentError) —

    If the name of a class for a given record does not match the class name for the corresponding ActsAsTable record model.



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# File 'app/models/concerns/acts_as_table/record_model_class_methods.rb', line 183

def inject(acc, record_model, base = nil)
  # @return [Class]
  klass = record_model.class_name.constantize

  # @return [ActsAsTable::Path]
  path = ActsAsTable::Path.new(klass, nil, data: {
    source_record_model: nil,
    source_record: nil,
    target_record_model: record_model,
    target_record: base,
  })

  _inject(acc, path, **{
    find_or_initialize_by: ::Proc.new { |*args, &block|
      ActsAsTable.adapter.find_or_initialize_by_for(record_model, klass, :find_by!, *args, &block)
    },
    new: ::Proc.new { |*args, &block|
      ActsAsTable.adapter.new_for(record_model, klass, :new, *args, &block)
    },
  })
end