Module: Mongoid::Persistable::Settable

Extended by:
ActiveSupport::Concern
Included in:
Mongoid::Persistable
Defined in:
lib/mongoid/persistable/settable.rb

Overview

Defines behaviour for $set operations.

Since:

  • 4.0.0

Instance Method Summary collapse

Instance Method Details

#set(setters) ⇒ Document

Perform a $set operation on the provided field/value pairs and set the values in the document in memory.

Examples:

Set the values.

document.set(title: "sir", dob: Date.new(1970, 1, 1))

Parameters:

  • setters (Hash) —

    The field/value pairs to set.

Returns:

Since:

  • 4.0.0



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# File 'lib/mongoid/persistable/settable.rb', line 22

def set(setters)
  prepare_atomic_operation do |ops|
    process_atomic_operations(setters) do |field, value|

      field_and_value_hash = hasherizer(field.split('.'), value)
      field = field_and_value_hash.keys.first.to_s

      if fields[field] && fields[field].type == Hash && attributes.key?(field)
        merger = proc { |key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &merger) : v2 }
        value = attributes[field].merge(field_and_value_hash[field], &merger)
        process_attribute(field.to_s, value)
      else
        process_attribute(field.to_s, field_and_value_hash[field])
      end

      unless relations.include?(field.to_s)
        ops[atomic_attribute_name(field)] = attributes[field]
      end
    end
    { "$set" => ops } unless ops.empty?
  end
end