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Versions: 14
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Contents
require "hanami/utils/kernel"
module Hanami
class CLI
module Commands
module Db
# @since 1.1.0
# @api private
class Rollback < Command
requires "model.sql"
desc "Rollback migrations"
argument :steps, desc: "Number of steps to rollback the database", default: 1
example [
" # Rollbacks latest migration",
"2 # Rollbacks last two migrations"
]
# @since 1.1.0
# @api private
def call(steps:, **)
context = Context.new(steps: steps)
context = assert_valid_steps!(context)
rollback_database(context)
end
private
# @since 1.1.0
# @api private
def assert_valid_steps!(context)
context = context.with(steps: Utils::Kernel.Integer(context.steps.to_s))
handle_error(context) unless context.steps.positive?
context
rescue TypeError
handle_error(context)
end
# @since 1.1.0
# @api private
def rollback_database(context)
require "hanami/model/migrator"
Hanami::Model::Migrator.rollback(steps: context.steps)
end
# @since 1.1.0
# @api private
def handle_error(context)
warn "the number of steps must be a positive integer (you entered `#{context.steps}')."
exit(1)
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems