Class: Hanami::CLI::Commands::App::DB::Rollback Private

Inherits:
Command show all
Defined in:
lib/hanami/cli/commands/app/db/rollback.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Since:

  • 2.0.0

API:

  • private

Instance Attribute Summary

Attributes inherited from Command

#system_call, #test_env_executor

Instance Method Summary collapse

Methods inherited from Command

#initialize, #nested_command?, #run_command

Methods inherited from Command

#app, #inflector, inherited, #measure, #run_command

Methods inherited from Hanami::CLI::Command

#inflector, #initialize, new

Constructor Details

This class inherits a constructor from Hanami::CLI::Commands::App::DB::Command

Instance Method Details

#call(steps: nil, app: false, slice: nil, gateway: nil, target: nil, dump: true, command_exit: method(:exit)) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Since:

  • 2.0.0

API:

  • private



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# File 'lib/hanami/cli/commands/app/db/rollback.rb', line 19

def call(
  steps: nil,
  app: false,
  slice: nil,
  gateway: nil,
  target: nil,
  dump: true,
  command_exit: method(:exit),
  **
)
  # We allow either a number of steps or a target migration number to be provided
  # If steps is provided and target is not, we use steps as the target migration number, but we also have to
  # make sure steps is a number, hence some additional logic around checking and converting to number
  target = steps if steps && !target && !code_is_number?(steps)
  steps_count = steps && code_is_number?(steps) ? Integer(steps) : 1

  database = resolve_target_database(app: app, slice: slice, gateway: gateway, command_exit: command_exit)
  return unless database

  migration_code, migration_name = find_migration_target(target, steps_count, database)

  if migration_name.nil?
    output = if steps && code_is_number?(steps)
               "==> migration file for #{steps} steps back was not found"
             elsif target
               "==> migration file for target #{target} was not found"
             else
               "==> no migrations to rollback"
             end

    out.puts output
    return
  end

  measure "database #{database.name} rolled back to #{migration_name}" do
    database.run_migrations(target: Integer(migration_code))
    true
  end

  if dump && !re_running_in_test?
    run_command(
      Structure::Dump,
      app: database.slice == self.app,
      slice: database.slice == self.app ? nil : database.slice.slice_name.to_s,
      gateway: database.gateway_name == :default ? nil : database.gateway_name.to_s,
      command_exit: command_exit
    )
  end

  re_run_development_command_in_test
end