module Mongoid::Persistable::Settable

Defines behaviour for $set operations.

@since 4.0.0

Public Instance Methods

set(setters) click to toggle source

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

@example Set the values.

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

@param [ Hash ] setters The field/value pairs to set.

@return [ Document ] The document.

@since 4.0.0

# 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