Class: Dynamoid::Transactions::Mutation::Save

Inherits:
Base
  • Object
show all
Defined in:
lib/dynamoid/transactions/mutation/save.rb

Instance Method Summary collapse

Methods inherited from Base

validate_attribute_names!

Constructor Details

#initialize(model, **options) ⇒ Save

Returns a new instance of Save.



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 11

def initialize(model, **options)
  super()

  @model = model
  @model_class = model.class
  @options = options

  @aborted = false
  @was_new_record = model.new_record?
  @valid = nil
end

Instance Method Details

#aborted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamoid/transactions/mutation/save.rb', line 82

def aborted?
  @aborted
end

#action_requests ⇒ Object 



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 94

def action_requests
  request = if @was_new_record
              action_request_to_create
            else
              action_request_to_update
            end

  [request]
end

#observable_by_user_result ⇒ Object 



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 90

def observable_by_user_result
  !@aborted
end

#on_commit ⇒ Object 



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 66

def on_commit
  return if @aborted

  @model.changes_applied

  if @was_new_record
    @model.new_record = false
  end

  @model.run_callbacks(:commit)
end

#on_registration ⇒ Object 



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 23

def on_registration
  if @options[:validate] != false && !(@valid = @model.valid?)
    if @options[:raise_error]
      raise Dynamoid::Errors::DocumentNotValid, @model
    else
      @aborted = true
      return
    end
  end

  @aborted = true
  callback_name = @was_new_record ? :create : :update

  @model.run_callbacks(:save) do
    @model.run_callbacks(callback_name) do
      @model.run_callbacks(:validate) do
        validate_primary_key!

        @aborted = false
        true
      end
    end
  end

  if @aborted && @options[:raise_error]
    raise Dynamoid::Errors::RecordNotSaved, @model
  end

  if @was_new_record && @model.hash_key.nil?
    @model.hash_key = SecureRandom.uuid
  end

  if @model.class.attributes[:lock_version]
    if @model.lock_version.nil? && @model.new_record?
      @model.lock_version = 1
    end

    if @model.lock_version && !@model.changes[:lock_version]
      @model.lock_version += 1
    end
  end
end

#on_rollback ⇒ Object 



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# File 'lib/dynamoid/transactions/mutation/save.rb', line 78

def on_rollback
  @model.run_callbacks(:rollback)
end

#skipped? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dynamoid/transactions/mutation/save.rb', line 86

def skipped?
  @model.persisted? && !@model.changed?
end