Module: Workflow::Adapters::ActiveRecord::ClassMethods

Defined in:
lib/workflow/adapters/active_record.rb

Overview

This module will automatically generate ActiveRecord scopes based on workflow states. The name of each generated scope will be something like with_<state_name>_state

Examples:

Article.with_pending_state # => ActiveRecord::Relation Payment.without_refunded_state # => ActiveRecord::Relation Example above just addswhere(:state_column_name => 'pending')or where.not(:state_column_name => 'pending')` to AR query and returns ActiveRecord::Relation.

Instance Method Summary collapse

Instance Method Details

#workflow(&specification) ⇒ Object



61
62
63
64
# File 'lib/workflow/adapters/active_record.rb', line 61

def workflow(&specification)
  super
  workflow_spec.states.each { |state| define_scopes(state) }
end

#workflow_column(column_name = nil) ⇒ Symbol

Instructs Workflow which column to use to persist workflow state.

Parameters:

  • column_name (Symbol) (defaults to: nil)

    If provided, will set a new workflow column name.

Returns:

  • (Symbol)

    The current (or new) name for the workflow column on this class.



56
57
58
59
# File 'lib/workflow/adapters/active_record.rb', line 56

def workflow_column(column_name = nil)
  @workflow_column = column_name.to_sym if column_name
  @workflow_column ||= superclass_workflow || :workflow_state
end