Module: Mongoid::Persistable::Updatable

Included in:
Mongoid::Persistable
Defined in:
lib/mongoid/persistable/updatable.rb

Overview

Defines behavior for persistence operations that update existing documents.

Instance Method Summary collapse

Instance Method Details

#update(attributes = {}) ⇒ true | false Also known as: update_attributes

Update the document attributes in the database.

Examples:

Update the document’s attributes

document.update(:title => "Sir")

Parameters:

  • attributes (Hash) (defaults to: {}) —

    The attributes to update.

Returns:

  • (true | false) —

    True if validation passed, false if not.



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# File 'lib/mongoid/persistable/updatable.rb', line 40

def update(attributes = {})
  assign_attributes(attributes)
  save
end

#update!(attributes = {}) ⇒ true | false Also known as: update_attributes!

Update the document attributes in the database and raise an error if validation failed.

Examples:

Update the document’s attributes.

document.update!(:title => "Sir")

Parameters:

  • attributes (Hash) (defaults to: {}) —

    The attributes to update.

Returns:

  • (true | false) —

    True if validation passed.

Raises:

  • (Errors::Validations) —

    If validation failed.

  • (Errors::Callbacks) —

    If a callback returns false.



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# File 'lib/mongoid/persistable/updatable.rb', line 58

def update!(attributes = {})
  result = update_attributes(attributes)
  unless result
    fail_due_to_validation! unless errors.empty?
    fail_due_to_callback!(:update_attributes!)
  end
  result
end

#update_attribute(name, value) ⇒ true | false

Update a single attribute and persist the entire document. This skips validation but fires the callbacks.

Examples:

Update the attribute.

person.update_attribute(:title, "Sir")

Parameters:

  • name (Symbol | String) —

    The name of the attribute.

  • value (Object) —

    The new value of the attribute.a

Returns:

  • (true | false) —

    True if save was successful, false if not.

Raises:



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# File 'lib/mongoid/persistable/updatable.rb', line 24

def update_attribute(name, value)
  as_writable_attribute!(name, value) do |access|
    normalized = name.to_s
    process_attribute(normalized, value)
    save(validate: false)
  end
end