Module: AfterCommit::ConnectionAdapters

Defined in:
lib/after_commit/connection_adapters.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/after_commit/connection_adapters.rb', line 3

def self.included(base)
  base.class_eval do
    # The commit_db_transaction method gets called when the outermost
    # transaction finishes and everything inside commits. We want to
    # override it so that after this happens, any records that were saved
    # or destroyed within this transaction now get their after_commit
    # callback fired.
    def commit_db_transaction_with_callback          
      commit_db_transaction_without_callback
      trigger_after_commit_callbacks
      trigger_after_commit_on_create_callbacks
      trigger_after_commit_on_update_callbacks
      trigger_after_commit_on_destroy_callbacks
    end 
    alias_method_chain :commit_db_transaction, :callback

    # In the event the transaction fails and rolls back, nothing inside
    # should recieve the after_commit callback.
    def rollback_db_transaction_with_callback
      rollback_db_transaction_without_callback

      AfterCommit.committed_records = []
      AfterCommit.committed_records_on_create = []
      AfterCommit.committed_records_on_update = []
      AfterCommit.committed_records_on_destroy = []
    end
    alias_method_chain :rollback_db_transaction, :callback
    
    protected        
      def trigger_after_commit_callbacks
        # Trigger the after_commit callback for each of the committed
        # records.
        if AfterCommit.committed_records.any?
          AfterCommit.committed_records.each do |record|
            begin
              record.after_commit_callback
            rescue
            end
          end 
        end 

        # Make sure we clear out our list of committed records now that we've
        # triggered the callbacks for each one. 
        AfterCommit.committed_records = []
      end
    
      def trigger_after_commit_on_create_callbacks
        # Trigger the after_commit_on_create callback for each of the committed
        # records.
        if AfterCommit.committed_records_on_create.any?
          AfterCommit.committed_records_on_create.each do |record|
            begin
              record.after_commit_on_create_callback
            rescue
            end
          end 
        end 

        # Make sure we clear out our list of committed records now that we've
        # triggered the callbacks for each one. 
        AfterCommit.committed_records_on_create = []
      end
    
      def trigger_after_commit_on_update_callbacks
        # Trigger the after_commit_on_update callback for each of the committed
        # records.
        if AfterCommit.committed_records_on_update.any?
          AfterCommit.committed_records_on_update.each do |record|
            begin
              record.after_commit_on_update_callback
            rescue
            end
          end 
        end 

        # Make sure we clear out our list of committed records now that we've
        # triggered the callbacks for each one. 
        AfterCommit.committed_records_on_update = []
      end
    
      def trigger_after_commit_on_destroy_callbacks
        # Trigger the after_commit_on_destroy callback for each of the committed
        # records.
        if AfterCommit.committed_records_on_destroy.any?
          AfterCommit.committed_records_on_destroy.each do |record|
            begin
              record.after_commit_on_destroy_callback
            rescue
            end
          end 
        end 

        # Make sure we clear out our list of committed records now that we've
        # triggered the callbacks for each one. 
        AfterCommit.committed_records_on_destroy = []
      end
    #end protected
  end 
end