Method: FishTransactions::Callbacks#after_transaction

Defined in:
lib/fish_transactions/callbacks.rb

#after_transaction(opts = {}, &block) ⇒ Object Also known as: after_tx

Allows to execute any block of code after transaction completes. If no transaction is actually open, the code runs immediately.

Accepts the following options that modifies this behavior:

  • :only - Execute this code only on commit or only on rollback. Accepts one of the following symbols: :commit, :rollback.

  • :if_no_transaction - Specifies what to do if there is no active transaction. Accepts one of the following symbols: :run (default), :skip (do not run).

Example of use:

ActiveRecord::Base.transaction do
  # executes some code
  puts "runs within transaction"
  after_transaction do
    # things to do after transaction
    puts "runs after transaction"
  end
  # executes more code
  puts "again runs within transaction"
end

will output

runs within transaction
again runs within transaction
runs after transaction



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/fish_transactions/callbacks.rb', line 88

def after_transaction(opts = {}, &block)

  # default options
  default_options = { only: nil, if_no_transaction: :run}
  opts = default_options.merge(opts)

  # normalize opts to string keys
  normalized = opts.dup
  opts.each{ |k,v| normalized[k.to_s] = v }
  opts = normalized


  if ActiveRecord::Base.connection.open_transactions > 0
    callbacks = ActiveRecord::Base.callbacks

    case opts['only']
    when :commit
      callbacks.store(:commit,&block)
    when :rollback
      callbacks.store(:rollback,&block)
    else
      # both cases
      callbacks.store(:commit,&block)
      callbacks.store(:rollback,&block)
    end
  else
    if opts['if_no_transaction'] == :run
      block.call
    end
  end
end