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CHANGELOG.md

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Unreleased

  • Add after_destroy hook to ActiveRecord transition model templates

v1.3.1 2 July 2015

  • Fix in_state queries with a custom transition_name (patch by 0tsuki)
  • Fix backfill_most_recent rake task for databases that support partial indexes (patch by greysteil)

v1.3.0 20 June 2015

  • Rename last_transition alias in ActiveRecordQueries to most_recent_#{model_name}, to allow merging of two such queries (patch by @isaacseymour)

v1.2.5 17 June 2015

  • Make backfill_most_recent rake task db-agnostic (patch by @timothyp)

v1.2.4 16 June 2015

  • Clarify error messages when misusing Statesman::Adapters::ActiveRecordTransition (patch by @isaacseymour)

v1.2.3 14 April 2015

  • Fix use of most_recent column in MySQL (partial indexes aren't supported) (patch by @greysteil)

v1.2.2 24 March 2015

  • Add support for namespaced transition models (patch by @DanielWright)

v1.2.1 24 March 2015

  • Add support for Postgres 9.4's jsonb column type (patch by @isaacseymour)

v1.2.0 18 March 2015

Changes

  • Add a most_recent column to transition tables to greatly speed up queries (ActiveRecord adapter only).
    • All queries are backwards-compatible, so everything still works without the new column.
    • The upgrade path is:
      • Generate and run a migration for adding the column, by running rails generate statesman:add_most_recent <ParentModel> <TransitionModel>.
      • Backfill the most_recent column on old records by running rake statesman:backfill_most_recent[ParentModel] .
      • Add constraints and indexes to the transition table that make use of the new field, by running rails g statesman:add_constraints_to_most_recent <ParentModel> <TransitionModel>.
    • The upgrade path has been designed to be zero-downtime, even on large tables. As a result, please note that queries will only use the most_recent field after the constraints have been added.
  • ActiveRecordQueries.{not_,}in_state now accepts an array of states.

v1.1.0 9 December 2014

Fixes

  • Support for Rails 4.2.0.rc2:
    • Remove use of serialized_attributes when using 4.2+. (patch by @greysteil)
    • Use reflect_on_association rather than directly using the reflections hash. (patch by @timrogers)
  • Fix ActiveRecordQueries.in_state when Model.initial_state is defined as a symbol. (patch by @isaacseymour)

Changes

  • Transition metadata now defaults to {} rather than nil. (patch by @greysteil)

v1.0.0 21 November 2014

No changes from v1.0.0.beta2

v1.0.0.beta2 10 October 2014

Breaking changes

  • Rename ActiveRecordModel to ActiveRecordQueries, to reflect the fact that it mixes in some helpful scopes, but is not required.

v1.0.0.beta1 9 October 2014

Breaking changes

  • Classes which include ActiveRecordModel must define an initial_state class method.

Fixes

  • ActiveRecordModel.in_state and ActiveRecordModel.not_in_state now handle inital states correctly (patch by @isaacseymour)

Additions

  • Transition tables created by generated migrations have NOT NULL constraints on to_state, sort_key and foreign key columns (patch by @greysteil)
  • before_transition and after_transition allow an array of to states (patch by @isaacseymour)

v0.8.3 2 September 2014

Fixes

  • Optimisation for Machine#available_events (patch by @pacso)

v0.8.2 2 September 2014

Fixes

  • Stop generating a default value for the metadata column if using MySQL.

v0.8.1 19 August 2014

Fixes

  • Adds check in Machine#transition to make sure the 'to' state is not an empty array (patch by @barisbalic)

v0.8.0 29 June 2014

Additions

  • Events. Machines can now define events as a logical grouping of transitions (patch by @iurimatias)
  • Retries. Individual transitions can be executed with a retry policy by wrapping the method call in a Machine.retry_conflicts {} block (patch by @greysteil)

v0.7.0 25 June 2014

Additions

  • Adapters::ActiveRecord now handles ActiveRecord::RecordNotUnique errors explicitly and re-raises with a Statesman::TransitionConflictError if it is due to duplicate sort_keys (patch by @greysteil)

v0.6.1 21 May 2014

Fixes

  • Fixes an issue where the wrong transition was passed to after_transition callbacks for the second and subsequent transition of a given state machine (patch by @alan)

v0.6.0, 19 May 2014

Additions

  • Generators now handle namespaced classes (patch by @hrmrebecca)

Changes

  • Machine#transition_to now only swallows Statesman generated errors. An exception in your guard or callback will no longer be caught by Statesman (patch by @paulspringett)

v0.5.0, 27 March 2014

Additions

  • Scope methods. Adds a module which can be mixed in to an ActiveRecord model to provide .in_state and .not_in_state query scopes.
  • Adds Machine#after_initialize hook (patch by @att14)

Fixes

  • Added MongoidTransition to the autoload statements, fixing #29 (patch by @tomclose)

v0.4.0, 27 February 2014

Additions

  • Adds after_commit flag to after_transition for callbacks to be executed after the transaction has been committed on the ActiveRecord adapter. These callbacks will still be executed on non transactional adapters.

v0.3.0, 20 February 2014

Additions

  • Adds Machine#allowed_transitions method (patch by @prikha)

v0.2.1, 31 December 2013

Fixes

  • Don't add attr_accessible to generated transition model if running in Rails 4

v0.2.0, 16 December 2013

Additions

  • Adds Ruby 1.9.3 support (patch by @jakehow)
  • All Mongo dependent tests are tagged so they can be excluded from test runs

Changes

  • Specs now crash immediately if Mongo is not running

v0.1.0, 5 November 2013

Additions

  • Adds Mongoid adapter and generators (patch by @dluxemburg)

Changes

  • Replaces config#transition_class with Statesman::Adapters::ActiveRecordTransition mixin. (inspired by @cjbell88)
  • Renames the active record transition generator from statesman:transition to statesman:active_record_transition.
  • Moves to using require_relative internally where possible to avoid stomping on application load paths.

v0.0.1, 28 October 2013.

  • Initial release