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Removes outdated acts_as_versioned plugin in favour of an updated version extracted from Redmine

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This commit is contained in:
Luke Barratt 2015-08-15 20:28:21 +01:00
parent 344239502c
commit 320fc67e4c
32 changed files with 860 additions and 886 deletions
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1
app/models/user.rb
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@ -23,7 +23,6 @@
require 'country_code_select/countries' require 'country_code_select/countries'
require 'digest/md5' require 'digest/md5'
require File.join(Rails.root, 'vendor', 'plugins', 'acts_as_versioned', 'lib', 'acts_as_versioned.rb')
class User < ActiveRecord::Base class User < ActiveRecord::Base
include Extra include Extra

17
config/initializers/legacy.rb Normal file
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@ -0,0 +1,17 @@
Dir.glob(File.join(Rails.root, "lib/plugins/*")).sort.each do |directory|
if File.directory?(directory)
lib = File.join(directory, "lib")
if File.directory?(lib)
$:.unshift lib
ActiveSupport::Dependencies.autoload_paths += [lib]
end
initializer = File.join(directory, "init.rb")
if File.file?(initializer)
config = Ensl::Application.config
eval(File.read(initializer), binding, initializer)
end
end
end

12
vendor/plugins/acts_as_versioned/CHANGELOG → lib/plugins/acts_as_versioned/CHANGELOG
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@ -1,14 +1,4 @@
*GIT* (version numbers are overrated) *SVN* (version numbers are overrated)
* 0.6 (19 Jul 2010) Rails 3 refactoring by gvarela!
* (16 Jun 2008) Backwards Compatibility is overrated (big updates for rails 2.1)
* Use ActiveRecord 2.1's dirty attribute checking instead [Asa Calow]
* Remove last traces of #non_versioned_fields
* Remove AR::Base.find_version and AR::Base.find_versions, rely on AR association proxies and named_scope
* Remove #versions_count, rely on AR association counter caching.
* Remove #versioned_attributes, basically the same as AR::Base.versioned_columns
* (5 Oct 2006) Allow customization of #versions association options [Dan Peterson] * (5 Oct 2006) Allow customization of #versions association options [Dan Peterson]

0
vendor/plugins/acts_as_versioned/MIT-LICENSE → lib/plugins/acts_as_versioned/MIT-LICENSE
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14
vendor/plugins/acts_as_versioned/README → lib/plugins/acts_as_versioned/README
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@ -8,17 +8,21 @@ Install
* gem install acts_as_versioned * gem install acts_as_versioned
<3 GitHub Rubyforge project
* http://github.com/technoweenie/acts_as_versioned * http://rubyforge.org/projects/ar-versioned
Gemcutter FTW RDocs
* http://gemcutter.org/gems/acts_as_versioned * http://ar-versioned.rubyforge.org
Subversion Subversion
* http://svn.github.com/technoweenie/acts_as_versioned.git * http://techno-weenie.net/svn/projects/acts_as_versioned
Collaboa
* http://collaboa.techno-weenie.net/repository/browse/acts_as_versioned
Special thanks to Dreamer on ##rubyonrails for help in early testing. His ServerSideWiki (http://serversidewiki.com) Special thanks to Dreamer on ##rubyonrails for help in early testing. His ServerSideWiki (http://serversidewiki.com)
was the first project to use acts_as_versioned <em>in the wild</em>. was the first project to use acts_as_versioned <em>in the wild</em>.

0
vendor/plugins/acts_as_versioned/RUNNING_UNIT_TESTS → lib/plugins/acts_as_versioned/RUNNING_UNIT_TESTS
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182
lib/plugins/acts_as_versioned/Rakefile Normal file
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@ -0,0 +1,182 @@
require 'rubygems'
Gem::manage_gems
require 'rake/rdoctask'
require 'rake/packagetask'
require 'rake/gempackagetask'
require 'rake/testtask'
require 'rake/contrib/rubyforgepublisher'
PKG_NAME = 'acts_as_versioned'
PKG_VERSION = '0.3.1'
PKG_FILE_NAME = "#{PKG_NAME}-#{PKG_VERSION}"
PROD_HOST = "technoweenie@bidwell.textdrive.com"
RUBY_FORGE_PROJECT = 'ar-versioned'
RUBY_FORGE_USER = 'technoweenie'
desc 'Default: run unit tests.'
task :default => :test
desc 'Test the calculations plugin.'
Rake::TestTask.new(:test) do |t|
t.libs << 'lib'
t.pattern = 'test/**/*_test.rb'
t.verbose = true
end
desc 'Generate documentation for the calculations plugin.'
Rake::RDocTask.new(:rdoc) do |rdoc|
rdoc.rdoc_dir = 'rdoc'
rdoc.title = "#{PKG_NAME} -- Simple versioning with active record models"
rdoc.options << '--line-numbers --inline-source'
rdoc.rdoc_files.include('README', 'CHANGELOG', 'RUNNING_UNIT_TESTS')
rdoc.rdoc_files.include('lib/**/*.rb')
end
spec = Gem::Specification.new do |s|
s.name = PKG_NAME
s.version = PKG_VERSION
s.platform = Gem::Platform::RUBY
s.summary = "Simple versioning with active record models"
s.files = FileList["{lib,test}/**/*"].to_a + %w(README MIT-LICENSE CHANGELOG RUNNING_UNIT_TESTS)
s.files.delete "acts_as_versioned_plugin.sqlite.db"
s.files.delete "acts_as_versioned_plugin.sqlite3.db"
s.files.delete "test/debug.log"
s.require_path = 'lib'
s.autorequire = 'acts_as_versioned'
s.has_rdoc = true
s.test_files = Dir['test/**/*_test.rb']
s.add_dependency 'activerecord', '>= 1.10.1'
s.add_dependency 'activesupport', '>= 1.1.1'
s.author = "Rick Olson"
s.email = "technoweenie@gmail.com"
s.homepage = "http://techno-weenie.net"
end
Rake::GemPackageTask.new(spec) do |pkg|
pkg.need_tar = true
end
desc "Publish the API documentation"
task :pdoc => [:rdoc] do
Rake::RubyForgePublisher.new(RUBY_FORGE_PROJECT, RUBY_FORGE_USER).upload
end
desc 'Publish the gem and API docs'
task :publish => [:pdoc, :rubyforge_upload]
desc "Publish the release files to RubyForge."
task :rubyforge_upload => :package do
files = %w(gem tgz).map { |ext| "pkg/#{PKG_FILE_NAME}.#{ext}" }
if RUBY_FORGE_PROJECT then
require 'net/http'
require 'open-uri'
project_uri = "http://rubyforge.org/projects/#{RUBY_FORGE_PROJECT}/"
project_data = open(project_uri) { |data| data.read }
group_id = project_data[/[?&]group_id=(\d+)/, 1]
raise "Couldn't get group id" unless group_id
# This echos password to shell which is a bit sucky
if ENV["RUBY_FORGE_PASSWORD"]
password = ENV["RUBY_FORGE_PASSWORD"]
else
print "#{RUBY_FORGE_USER}@rubyforge.org's password: "
password = STDIN.gets.chomp
end
login_response = Net::HTTP.start("rubyforge.org", 80) do |http|
data = [
"login=1",
"form_loginname=#{RUBY_FORGE_USER}",
"form_pw=#{password}"
].join("&")
http.post("/account/login.php", data)
end
cookie = login_response["set-cookie"]
raise "Login failed" unless cookie
headers = { "Cookie" => cookie }
release_uri = "http://rubyforge.org/frs/admin/?group_id=#{group_id}"
release_data = open(release_uri, headers) { |data| data.read }
package_id = release_data[/[?&]package_id=(\d+)/, 1]
raise "Couldn't get package id" unless package_id
first_file = true
release_id = ""
files.each do |filename|
basename = File.basename(filename)
file_ext = File.extname(filename)
file_data = File.open(filename, "rb") { |file| file.read }
puts "Releasing #{basename}..."
release_response = Net::HTTP.start("rubyforge.org", 80) do |http|
release_date = Time.now.strftime("%Y-%m-%d %H:%M")
type_map = {
".zip" => "3000",
".tgz" => "3110",
".gz" => "3110",
".gem" => "1400"
}; type_map.default = "9999"
type = type_map[file_ext]
boundary = "rubyqMY6QN9bp6e4kS21H4y0zxcvoor"
query_hash = if first_file then
{
"group_id" => group_id,
"package_id" => package_id,
"release_name" => PKG_FILE_NAME,
"release_date" => release_date,
"type_id" => type,
"processor_id" => "8000", # Any
"release_notes" => "",
"release_changes" => "",
"preformatted" => "1",
"submit" => "1"
}
else
{
"group_id" => group_id,
"release_id" => release_id,
"package_id" => package_id,
"step2" => "1",
"type_id" => type,
"processor_id" => "8000", # Any
"submit" => "Add This File"
}
end
query = "?" + query_hash.map do |(name, value)|
[name, URI.encode(value)].join("=")
end.join("&")
data = [
"--" + boundary,
"Content-Disposition: form-data; name=\"userfile\"; filename=\"#{basename}\"",
"Content-Type: application/octet-stream",
"Content-Transfer-Encoding: binary",
"", file_data, ""
].join("\x0D\x0A")
release_headers = headers.merge(
"Content-Type" => "multipart/form-data; boundary=#{boundary}"
)
target = first_file ? "/frs/admin/qrs.php" : "/frs/admin/editrelease.php"
http.post(target + query, data, release_headers)
end
if first_file then
release_id = release_response.body[/release_id=(\d+)/, 1]
raise("Couldn't get release id") unless release_id
end
first_file = false
end
end
end

1
lib/plugins/acts_as_versioned/init.rb Normal file
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@ -0,0 +1 @@
require 'acts_as_versioned'

568
lib/plugins/acts_as_versioned/lib/acts_as_versioned.rb Normal file
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@ -0,0 +1,568 @@
# Copyright (c) 2005 Rick Olson
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
module ActiveRecord #:nodoc:
module Acts #:nodoc:
# Specify this act if you want to save a copy of the row in a versioned table. This assumes there is a
# versioned table ready and that your model has a version field. This works with optimistic locking if the lock_version
# column is present as well.
#
# The class for the versioned model is derived the first time it is seen. Therefore, if you change your database schema you have to restart
# your container for the changes to be reflected. In development mode this usually means restarting WEBrick.
#
# class Page < ActiveRecord::Base
# # assumes pages_versions table
# acts_as_versioned
# end
#
# Example:
#
# page = Page.create(:title => 'hello world!')
# page.version # => 1
#
# page.title = 'hello world'
# page.save
# page.version # => 2
# page.versions.size # => 2
#
# page.revert_to(1) # using version number
# page.title # => 'hello world!'
#
# page.revert_to(page.versions.last) # using versioned instance
# page.title # => 'hello world'
#
# page.versions.earliest # efficient query to find the first version
# page.versions.latest # efficient query to find the most recently created version
#
#
# Simple Queries to page between versions
#
# page.versions.before(version)
# page.versions.after(version)
#
# Access the previous/next versions from the versioned model itself
#
# version = page.versions.latest
# version.previous # go back one version
# version.next # go forward one version
#
# See ActiveRecord::Acts::Versioned::ClassMethods#acts_as_versioned for configuration options
module Versioned
CALLBACKS = [:set_new_version, :save_version_on_create, :save_version?, :clear_altered_attributes]
def self.included(base) # :nodoc:
base.extend ClassMethods
end
module ClassMethods
# == Configuration options
#
# * <tt>class_name</tt> - versioned model class name (default: PageVersion in the above example)
# * <tt>table_name</tt> - versioned model table name (default: page_versions in the above example)
# * <tt>foreign_key</tt> - foreign key used to relate the versioned model to the original model (default: page_id in the above example)
# * <tt>inheritance_column</tt> - name of the column to save the model's inheritance_column value for STI. (default: versioned_type)
# * <tt>version_column</tt> - name of the column in the model that keeps the version number (default: version)
# * <tt>sequence_name</tt> - name of the custom sequence to be used by the versioned model.
# * <tt>limit</tt> - number of revisions to keep, defaults to unlimited
# * <tt>if</tt> - symbol of method to check before saving a new version. If this method returns false, a new version is not saved.
# For finer control, pass either a Proc or modify Model#version_condition_met?
#
# acts_as_versioned :if => Proc.new { |auction| !auction.expired? }
#
# or...
#
# class Auction
# def version_condition_met? # totally bypasses the <tt>:if</tt> option
# !expired?
# end
# end
#
# * <tt>if_changed</tt> - Simple way of specifying attributes that are required to be changed before saving a model. This takes
# either a symbol or array of symbols. WARNING - This will attempt to overwrite any attribute setters you may have.
# Use this instead if you want to write your own attribute setters (and ignore if_changed):
#
# def name=(new_name)
# write_changed_attribute :name, new_name
# end
#
# * <tt>extend</tt> - Lets you specify a module to be mixed in both the original and versioned models. You can also just pass a block
# to create an anonymous mixin:
#
# class Auction
# acts_as_versioned do
# def started?
# !started_at.nil?
# end
# end
# end
#
# or...
#
# module AuctionExtension
# def started?
# !started_at.nil?
# end
# end
# class Auction
# acts_as_versioned :extend => AuctionExtension
# end
#
# Example code:
#
# @auction = Auction.find(1)
# @auction.started?
# @auction.versions.first.started?
#
# == Database Schema
#
# The model that you're versioning needs to have a 'version' attribute. The model is versioned
# into a table called #{model}_versions where the model name is singlular. The _versions table should
# contain all the fields you want versioned, the same version column, and a #{model}_id foreign key field.
#
# A lock_version field is also accepted if your model uses Optimistic Locking. If your table uses Single Table inheritance,
# then that field is reflected in the versioned model as 'versioned_type' by default.
#
# Acts_as_versioned comes prepared with the ActiveRecord::Acts::Versioned::ActMethods::ClassMethods#create_versioned_table
# method, perfect for a migration. It will also create the version column if the main model does not already have it.
#
# class AddVersions < ActiveRecord::Migration
# def self.up
# # create_versioned_table takes the same options hash
# # that create_table does
# Post.create_versioned_table
# end
#
# def self.down
# Post.drop_versioned_table
# end
# end
#
# == Changing What Fields Are Versioned
#
# By default, acts_as_versioned will version all but these fields:
#
# [self.primary_key, inheritance_column, 'version', 'lock_version', versioned_inheritance_column]
#
# You can add or change those by modifying #non_versioned_columns. Note that this takes strings and not symbols.
#
# class Post < ActiveRecord::Base
# acts_as_versioned
# self.non_versioned_columns << 'comments_count'
# end
#
def acts_as_versioned(options = {}, &extension)
# don't allow multiple calls
return if self.included_modules.include?(ActiveRecord::Acts::Versioned::ActMethods)
send :include, ActiveRecord::Acts::Versioned::ActMethods
cattr_accessor :versioned_class_name, :versioned_foreign_key, :versioned_table_name, :versioned_inheritance_column,
:version_column, :max_version_limit, :track_altered_attributes, :version_condition, :version_sequence_name, :non_versioned_columns,
:version_association_options
# legacy
alias_method :non_versioned_fields, :non_versioned_columns
alias_method :non_versioned_fields=, :non_versioned_columns=
class << self
alias_method :non_versioned_fields, :non_versioned_columns
alias_method :non_versioned_fields=, :non_versioned_columns=
end
send :attr_accessor, :altered_attributes
self.versioned_class_name = options[:class_name] || "Version"
self.versioned_foreign_key = options[:foreign_key] || self.to_s.foreign_key
self.versioned_table_name = options[:table_name] || "#{table_name_prefix}#{base_class.name.demodulize.underscore}_versions#{table_name_suffix}"
self.versioned_inheritance_column = options[:inheritance_column] || "versioned_#{inheritance_column}"
self.version_column = options[:version_column] || 'version'
self.version_sequence_name = options[:sequence_name]
self.max_version_limit = options[:limit].to_i
self.version_condition = options[:if] || true
self.non_versioned_columns = [self.primary_key, inheritance_column, 'version', 'lock_version', versioned_inheritance_column]
self.version_association_options = {
:class_name => "#{self.to_s}::#{versioned_class_name}",
:foreign_key => versioned_foreign_key,
:dependent => :delete_all
}.merge(options[:association_options] || {})
if block_given?
extension_module_name = "#{versioned_class_name}Extension"
silence_warnings do
self.const_set(extension_module_name, Module.new(&extension))
end
options[:extend] = self.const_get(extension_module_name)
end
class_eval do
has_many :versions, version_association_options do
# finds earliest version of this record
def earliest
@earliest ||= order('version').first
end
# find latest version of this record
def latest
@latest ||= order('version desc').first
end
end
before_save :set_new_version
after_create :save_version_on_create
after_update :save_version
after_save :clear_old_versions
after_save :clear_altered_attributes
unless options[:if_changed].nil?
self.track_altered_attributes = true
options[:if_changed] = [options[:if_changed]] unless options[:if_changed].is_a?(Array)
options[:if_changed].each do |attr_name|
define_method("#{attr_name}=") do |value|
write_changed_attribute attr_name, value
end
end
end
include options[:extend] if options[:extend].is_a?(Module)
end
# create the dynamic versioned model
const_set(versioned_class_name, Class.new(ActiveRecord::Base)).class_eval do
def self.reloadable? ; false ; end
# find first version before the given version
def self.before(version)
order('version desc').
where("#{original_class.versioned_foreign_key} = ? and version < ?", version.send(original_class.versioned_foreign_key), version.version).
first
end
# find first version after the given version.
def self.after(version)
order('version').
where("#{original_class.versioned_foreign_key} = ? and version > ?", version.send(original_class.versioned_foreign_key), version.version).
first
end
def previous
self.class.before(self)
end
def next
self.class.after(self)
end
def versions_count
page.version
end
end
versioned_class.cattr_accessor :original_class
versioned_class.original_class = self
versioned_class.table_name = versioned_table_name
versioned_class.belongs_to self.to_s.demodulize.underscore.to_sym,
:class_name => "::#{self.to_s}",
:foreign_key => versioned_foreign_key
versioned_class.send :include, options[:extend] if options[:extend].is_a?(Module)
versioned_class.set_sequence_name version_sequence_name if version_sequence_name
end
end
module ActMethods
def self.included(base) # :nodoc:
base.extend ClassMethods
end
# Finds a specific version of this record
def find_version(version = nil)
self.class.find_version(id, version)
end
# Saves a version of the model if applicable
def save_version
save_version_on_create if save_version?
end
# Saves a version of the model in the versioned table. This is called in the after_save callback by default
def save_version_on_create
rev = self.class.versioned_class.new
self.clone_versioned_model(self, rev)
rev.version = send(self.class.version_column)
rev.send("#{self.class.versioned_foreign_key}=", self.id)
rev.save
end
# Clears old revisions if a limit is set with the :limit option in <tt>acts_as_versioned</tt>.
# Override this method to set your own criteria for clearing old versions.
def clear_old_versions
return if self.class.max_version_limit == 0
excess_baggage = send(self.class.version_column).to_i - self.class.max_version_limit
if excess_baggage > 0
sql = "DELETE FROM #{self.class.versioned_table_name} WHERE version <= #{excess_baggage} AND #{self.class.versioned_foreign_key} = #{self.id}"
self.class.versioned_class.connection.execute sql
end
end
def versions_count
version
end
# Reverts a model to a given version. Takes either a version number or an instance of the versioned model
def revert_to(version)
if version.is_a?(self.class.versioned_class)
return false unless version.send(self.class.versioned_foreign_key) == self.id and !version.new_record?
else
return false unless version = versions.find_by_version(version)
end
self.clone_versioned_model(version, self)
self.send("#{self.class.version_column}=", version.version)
true
end
# Reverts a model to a given version and saves the model.
# Takes either a version number or an instance of the versioned model
def revert_to!(version)
revert_to(version) ? save_without_revision : false
end
# Temporarily turns off Optimistic Locking while saving. Used when reverting so that a new version is not created.
def save_without_revision
save_without_revision!
true
rescue
false
end
def save_without_revision!
without_locking do
without_revision do
save!
end
end
end
# Returns an array of attribute keys that are versioned. See non_versioned_columns
def versioned_attributes
self.attributes.keys.select { |k| !self.class.non_versioned_columns.include?(k) }
end
# If called with no parameters, gets whether the current model has changed and needs to be versioned.
# If called with a single parameter, gets whether the parameter has changed.
def changed?(attr_name = nil)
attr_name.nil? ?
(!self.class.track_altered_attributes || (altered_attributes && altered_attributes.length > 0)) :
(altered_attributes && altered_attributes.include?(attr_name.to_s))
end
# keep old dirty? method
alias_method :dirty?, :changed?
# Clones a model. Used when saving a new version or reverting a model's version.
def clone_versioned_model(orig_model, new_model)
self.versioned_attributes.each do |key|
new_model.send("#{key}=", orig_model.send(key)) if orig_model.respond_to?(key)
end
if self.class.columns_hash.include?(self.class.inheritance_column)
if orig_model.is_a?(self.class.versioned_class)
new_model[new_model.class.inheritance_column] = orig_model[self.class.versioned_inheritance_column]
elsif new_model.is_a?(self.class.versioned_class)
new_model[self.class.versioned_inheritance_column] = orig_model[orig_model.class.inheritance_column]
end
end
end
# Checks whether a new version shall be saved or not. Calls <tt>version_condition_met?</tt> and <tt>changed?</tt>.
def save_version?
version_condition_met? && changed?
end
# Checks condition set in the :if option to check whether a revision should be created or not. Override this for
# custom version condition checking.
def version_condition_met?
case
when version_condition.is_a?(Symbol)
send(version_condition)
when version_condition.respond_to?(:call) && (version_condition.arity == 1 || version_condition.arity == -1)
version_condition.call(self)
else
version_condition
end
end
# Executes the block with the versioning callbacks disabled.
#
# @foo.without_revision do
# @foo.save
# end
#
def without_revision(&block)
self.class.without_revision(&block)
end
# Turns off optimistic locking for the duration of the block
#
# @foo.without_locking do
# @foo.save
# end
#
def without_locking(&block)
self.class.without_locking(&block)
end
def empty_callback() end #:nodoc:
protected
# sets the new version before saving, unless you're using optimistic locking. In that case, let it take care of the version.
def set_new_version
self.send("#{self.class.version_column}=", self.next_version) if new_record? || (!locking_enabled? && save_version?)
end
# Gets the next available version for the current record, or 1 for a new record
def next_version
return 1 if new_record?
(versions.maximum('version') || 0) + 1
end
# clears current changed attributes. Called after save.
def clear_altered_attributes
self.altered_attributes = []
end
def write_changed_attribute(attr_name, attr_value)
# Convert to db type for comparison. Avoids failing Float<=>String comparisons.
attr_value_for_db = self.class.columns_hash[attr_name.to_s].type_cast_from_database(attr_value)
(self.altered_attributes ||= []) << attr_name.to_s unless self.changed?(attr_name) || self.send(attr_name) == attr_value_for_db
write_attribute(attr_name, attr_value_for_db)
end
module ClassMethods
# Finds a specific version of a specific row of this model
def find_version(id, version = nil)
return find(id) unless version
conditions = ["#{versioned_foreign_key} = ? AND version = ?", id, version]
options = { :conditions => conditions, :limit => 1 }
if result = find_versions(id, options).first
result
else
raise RecordNotFound, "Couldn't find #{name} with ID=#{id} and VERSION=#{version}"
end
end
# Finds versions of a specific model. Takes an options hash like <tt>find</tt>
def find_versions(id, options = {})
versioned_class.all({
:conditions => ["#{versioned_foreign_key} = ?", id],
:order => 'version' }.merge(options))
end
# Returns an array of columns that are versioned. See non_versioned_columns
def versioned_columns
self.columns.select { |c| !non_versioned_columns.include?(c.name) }
end
# Returns an instance of the dynamic versioned model
def versioned_class
const_get versioned_class_name
end
# Rake migration task to create the versioned table using options passed to acts_as_versioned
def create_versioned_table(create_table_options = {})
# create version column in main table if it does not exist
if !self.content_columns.find { |c| %w(version lock_version).include? c.name }
self.connection.add_column table_name, :version, :integer
end
self.connection.create_table(versioned_table_name, create_table_options) do |t|
t.column versioned_foreign_key, :integer
t.column :version, :integer
end
updated_col = nil
self.versioned_columns.each do |col|
updated_col = col if !updated_col && %(updated_at updated_on).include?(col.name)
self.connection.add_column versioned_table_name, col.name, col.type,
:limit => col.limit,
:default => col.default,
:scale => col.scale,
:precision => col.precision
end
if type_col = self.columns_hash[inheritance_column]
self.connection.add_column versioned_table_name, versioned_inheritance_column, type_col.type,
:limit => type_col.limit,
:default => type_col.default,
:scale => type_col.scale,
:precision => type_col.precision
end
if updated_col.nil?
self.connection.add_column versioned_table_name, :updated_at, :timestamp
end
end
# Rake migration task to drop the versioned table
def drop_versioned_table
self.connection.drop_table versioned_table_name
end
# Executes the block with the versioning callbacks disabled.
#
# Foo.without_revision do
# @foo.save
# end
#
def without_revision(&block)
class_eval do
CALLBACKS.each do |attr_name|
alias_method "orig_#{attr_name}".to_sym, attr_name
alias_method attr_name, :empty_callback
end
end
block.call
ensure
class_eval do
CALLBACKS.each do |attr_name|
alias_method attr_name, "orig_#{attr_name}".to_sym
end
end
end
# Turns off optimistic locking for the duration of the block
#
# Foo.without_locking do
# @foo.save
# end
#
def without_locking(&block)
current = ActiveRecord::Base.lock_optimistically
ActiveRecord::Base.lock_optimistically = false if current
result = block.call
ActiveRecord::Base.lock_optimistically = true if current
result
end
end
end
end
end
end
ActiveRecord::Base.send :include, ActiveRecord::Acts::Versioned

24
vendor/plugins/acts_as_versioned/test/abstract_unit.rb → lib/plugins/acts_as_versioned/test/abstract_unit.rb
View file

@ -1,20 +1,15 @@
require "rubygems" $:.unshift(File.dirname(__FILE__) + '/../../../rails/activesupport/lib')
require "bundler" $:.unshift(File.dirname(__FILE__) + '/../../../rails/activerecord/lib')
Bundler.setup(:default, :development)
$:.unshift(File.dirname(__FILE__) + '/../lib') $:.unshift(File.dirname(__FILE__) + '/../lib')
require 'test/unit' require 'test/unit'
begin
require 'active_support' require 'active_support'
require 'active_record' require 'active_record'
require 'active_record/fixtures' require 'active_record/fixtures'
require 'active_record/test_case'
begin
require 'ruby-debug'
Debugger.start
rescue LoadError rescue LoadError
require 'rubygems'
retry
end end
require 'acts_as_versioned' require 'acts_as_versioned'
config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml')) config = YAML::load(IO.read(File.dirname(__FILE__) + '/database.yml'))
@ -32,11 +27,10 @@ if ENV['DB'] == 'postgresql'
ActiveRecord::Base.connection.execute "ALTER TABLE widget_versions ADD COLUMN id INTEGER PRIMARY KEY DEFAULT nextval('widgets_seq');" ActiveRecord::Base.connection.execute "ALTER TABLE widget_versions ADD COLUMN id INTEGER PRIMARY KEY DEFAULT nextval('widgets_seq');"
end end
class ActiveSupport::TestCase #:nodoc: Test::Unit::TestCase.fixture_path = File.dirname(__FILE__) + "/fixtures/"
include ActiveRecord::TestFixtures $:.unshift(Test::Unit::TestCase.fixture_path)
self.fixture_path = File.dirname(__FILE__) + "/fixtures/"
class Test::Unit::TestCase #:nodoc:
# Turn off transactional fixtures if you're working with MyISAM tables in MySQL # Turn off transactional fixtures if you're working with MyISAM tables in MySQL
self.use_transactional_fixtures = true self.use_transactional_fixtures = true
@ -45,5 +39,3 @@ class ActiveSupport::TestCase #:nodoc:
# Add more helper methods to be used by all tests here... # Add more helper methods to be used by all tests here...
end end
$:.unshift(ActiveSupport::TestCase.fixture_path)

18
lib/plugins/acts_as_versioned/test/database.yml Normal file
View file

@ -0,0 +1,18 @@
sqlite:
:adapter: sqlite
:dbfile: acts_as_versioned_plugin.sqlite.db
sqlite3:
:adapter: sqlite3
:dbfile: acts_as_versioned_plugin.sqlite3.db
postgresql:
:adapter: postgresql
:username: postgres
:password: postgres
:database: acts_as_versioned_plugin_test
:min_messages: ERROR
mysql:
:adapter: mysql
:host: localhost
:username: rails
:password:
:database: acts_as_versioned_plugin_test

0
vendor/plugins/acts_as_versioned/test/fixtures/authors.yml → lib/plugins/acts_as_versioned/test/fixtures/authors.yml vendored
View file

0
vendor/plugins/acts_as_versioned/test/fixtures/landmark.rb → lib/plugins/acts_as_versioned/test/fixtures/landmark.rb vendored
View file

0
vendor/plugins/acts_as_versioned/test/fixtures/landmark_versions.yml → lib/plugins/acts_as_versioned/test/fixtures/landmark_versions.yml vendored
View file

1
vendor/plugins/acts_as_versioned/test/fixtures/landmarks.yml → lib/plugins/acts_as_versioned/test/fixtures/landmarks.yml vendored
View file

@ -3,5 +3,4 @@ washington:
name: Washington, D.C. name: Washington, D.C.
latitude: 38.895 latitude: 38.895
longitude: -77.036667 longitude: -77.036667
doesnt_trigger_version: This is not important
version: 1 version: 1

0
vendor/plugins/acts_as_versioned/test/fixtures/locked_pages.yml → lib/plugins/acts_as_versioned/test/fixtures/locked_pages.yml vendored
View file

8
vendor/plugins/acts_as_versioned/test/fixtures/locked_pages_revisions.yml → lib/plugins/acts_as_versioned/test/fixtures/locked_pages_revisions.yml vendored
View file

@ -2,26 +2,26 @@ welcome_1:
id: 1 id: 1
page_id: 1 page_id: 1
title: Welcome to the weblg title: Welcome to the weblg
lock_version: 23 version: 23
version_type: LockedPage version_type: LockedPage
welcome_2: welcome_2:
id: 2 id: 2
page_id: 1 page_id: 1
title: Welcome to the weblog title: Welcome to the weblog
lock_version: 24 version: 24
version_type: LockedPage version_type: LockedPage
thinking_1: thinking_1:
id: 3 id: 3
page_id: 2 page_id: 2
title: So I was thinking!!! title: So I was thinking!!!
lock_version: 23 version: 23
version_type: SpecialLockedPage version_type: SpecialLockedPage
thinking_2: thinking_2:
id: 4 id: 4
page_id: 2 page_id: 2
title: So I was thinking title: So I was thinking
lock_version: 24 version: 24
version_type: SpecialLockedPage version_type: SpecialLockedPage

2
vendor/plugins/acts_as_versioned/test/fixtures/migrations/1_add_versioned_tables.rb → lib/plugins/acts_as_versioned/test/fixtures/migrations/1_add_versioned_tables.rb vendored
View file

@ -2,8 +2,6 @@ class AddVersionedTables < ActiveRecord::Migration
def self.up def self.up
create_table("things") do |t| create_table("things") do |t|
t.column :title, :text t.column :title, :text
t.column :price, :decimal, :precision => 7, :scale => 2
t.column :type, :string
end end
Thing.create_versioned_table Thing.create_versioned_table
end end

0
vendor/plugins/acts_as_versioned/test/fixtures/page.rb → lib/plugins/acts_as_versioned/test/fixtures/page.rb vendored
View file

0
vendor/plugins/acts_as_versioned/test/fixtures/page_versions.yml → lib/plugins/acts_as_versioned/test/fixtures/page_versions.yml vendored
View file

1
vendor/plugins/acts_as_versioned/test/fixtures/pages.yml → lib/plugins/acts_as_versioned/test/fixtures/pages.yml vendored
View file

@ -5,4 +5,3 @@ welcome:
version: 24 version: 24
author_id: 1 author_id: 1
revisor_id: 1 revisor_id: 1
created_on: "2008-01-01 00:00:00"

0
vendor/plugins/acts_as_versioned/test/fixtures/widget.rb → lib/plugins/acts_as_versioned/test/fixtures/widget.rb vendored
View file

2
vendor/plugins/acts_as_versioned/test/migration_test.rb → lib/plugins/acts_as_versioned/test/migration_test.rb
View file

@ -6,7 +6,7 @@ if ActiveRecord::Base.connection.supports_migrations?
acts_as_versioned acts_as_versioned
end end
class MigrationTest < ActiveSupport::TestCase class MigrationTest < Test::Unit::TestCase
self.use_transactional_fixtures = false self.use_transactional_fixtures = false
def teardown def teardown
if ActiveRecord::Base.connection.respond_to?(:initialize_schema_information) if ActiveRecord::Base.connection.respond_to?(:initialize_schema_information)

16
vendor/plugins/acts_as_versioned/test/schema.rb → lib/plugins/acts_as_versioned/test/schema.rb
View file

@ -3,7 +3,6 @@ ActiveRecord::Schema.define(:version => 0) do
t.column :version, :integer t.column :version, :integer
t.column :title, :string, :limit => 255 t.column :title, :string, :limit => 255
t.column :body, :text t.column :body, :text
t.column :created_on, :datetime
t.column :updated_on, :datetime t.column :updated_on, :datetime
t.column :author_id, :integer t.column :author_id, :integer
t.column :revisor_id, :integer t.column :revisor_id, :integer
@ -14,14 +13,11 @@ ActiveRecord::Schema.define(:version => 0) do
t.column :version, :integer t.column :version, :integer
t.column :title, :string, :limit => 255 t.column :title, :string, :limit => 255
t.column :body, :text t.column :body, :text
t.column :created_on, :datetime
t.column :updated_on, :datetime t.column :updated_on, :datetime
t.column :author_id, :integer t.column :author_id, :integer
t.column :revisor_id, :integer t.column :revisor_id, :integer
end end
add_index :page_versions, [:page_id, :version], :unique => true
create_table :authors, :force => true do |t| create_table :authors, :force => true do |t|
t.column :page_id, :integer t.column :page_id, :integer
t.column :name, :string t.column :name, :string
@ -30,21 +26,17 @@ ActiveRecord::Schema.define(:version => 0) do
create_table :locked_pages, :force => true do |t| create_table :locked_pages, :force => true do |t|
t.column :lock_version, :integer t.column :lock_version, :integer
t.column :title, :string, :limit => 255 t.column :title, :string, :limit => 255
t.column :body, :text
t.column :type, :string, :limit => 255 t.column :type, :string, :limit => 255
end end
create_table :locked_pages_revisions, :force => true do |t| create_table :locked_pages_revisions, :force => true do |t|
t.column :page_id, :integer t.column :page_id, :integer
t.column :lock_version, :integer t.column :version, :integer
t.column :title, :string, :limit => 255 t.column :title, :string, :limit => 255
t.column :body, :text
t.column :version_type, :string, :limit => 255 t.column :version_type, :string, :limit => 255
t.column :updated_at, :datetime t.column :updated_at, :datetime
end end
add_index :locked_pages_revisions, [:page_id, :lock_version], :unique => true
create_table :widgets, :force => true do |t| create_table :widgets, :force => true do |t|
t.column :name, :string, :limit => 50 t.column :name, :string, :limit => 50
t.column :foo, :string t.column :foo, :string
@ -59,13 +51,10 @@ ActiveRecord::Schema.define(:version => 0) do
t.column :updated_at, :datetime t.column :updated_at, :datetime
end end
add_index :widget_versions, [:widget_id, :version], :unique => true
create_table :landmarks, :force => true do |t| create_table :landmarks, :force => true do |t|
t.column :name, :string t.column :name, :string
t.column :latitude, :float t.column :latitude, :float
t.column :longitude, :float t.column :longitude, :float
t.column :doesnt_trigger_version,:string
t.column :version, :integer t.column :version, :integer
end end
@ -74,9 +63,6 @@ ActiveRecord::Schema.define(:version => 0) do
t.column :name, :string t.column :name, :string
t.column :latitude, :float t.column :latitude, :float
t.column :longitude, :float t.column :longitude, :float
t.column :doesnt_trigger_version,:string
t.column :version, :integer t.column :version, :integer
end end
add_index :landmark_versions, [:landmark_id, :version], :unique => true
end end

113
vendor/plugins/acts_as_versioned/test/versioned_test.rb → lib/plugins/acts_as_versioned/test/versioned_test.rb
View file

@ -2,7 +2,7 @@ require File.join(File.dirname(__FILE__), 'abstract_unit')
require File.join(File.dirname(__FILE__), 'fixtures/page') require File.join(File.dirname(__FILE__), 'fixtures/page')
require File.join(File.dirname(__FILE__), 'fixtures/widget') require File.join(File.dirname(__FILE__), 'fixtures/widget')
class VersionedTest < ActiveSupport::TestCase class VersionedTest < Test::Unit::TestCase
fixtures :pages, :page_versions, :locked_pages, :locked_pages_revisions, :authors, :landmarks, :landmark_versions fixtures :pages, :page_versions, :locked_pages, :locked_pages_revisions, :authors, :landmarks, :landmark_versions
set_fixture_class :page_versions => Page::Version set_fixture_class :page_versions => Page::Version
@ -32,7 +32,7 @@ class VersionedTest < ActiveSupport::TestCase
assert_equal 24, p.version assert_equal 24, p.version
assert_equal 'Welcome to the weblog', p.title assert_equal 'Welcome to the weblog', p.title
assert p.revert_to!(23), "Couldn't revert to 23" assert p.revert_to!(p.versions.first.version), "Couldn't revert to 23"
assert_equal 23, p.version assert_equal 23, p.version
assert_equal 'Welcome to the weblg', p.title assert_equal 'Welcome to the weblg', p.title
end end
@ -59,7 +59,7 @@ class VersionedTest < ActiveSupport::TestCase
assert_equal 24, p.version assert_equal 24, p.version
assert_equal 'Welcome to the weblog', p.title assert_equal 'Welcome to the weblog', p.title
assert p.revert_to!(p.versions.find_by_version(23)), "Couldn't revert to 23" assert p.revert_to!(p.versions.first), "Couldn't revert to 23"
assert_equal 23, p.version assert_equal 23, p.version
assert_equal 'Welcome to the weblg', p.title assert_equal 'Welcome to the weblg', p.title
end end
@ -81,7 +81,7 @@ class VersionedTest < ActiveSupport::TestCase
assert_equal 'Welcome to the weblog', p.title assert_equal 'Welcome to the weblog', p.title
assert_equal 'LockedPage', p.versions.first.version_type assert_equal 'LockedPage', p.versions.first.version_type
assert p.revert_to!(p.versions.first.lock_version), "Couldn't revert to 23" assert p.revert_to!(p.versions.first.version), "Couldn't revert to 23"
assert_equal 'Welcome to the weblg', p.title assert_equal 'Welcome to the weblg', p.title
assert_equal 'LockedPage', p.versions.first.version_type assert_equal 'LockedPage', p.versions.first.version_type
end end
@ -108,7 +108,7 @@ class VersionedTest < ActiveSupport::TestCase
p = locked_pages(:thinking) p = locked_pages(:thinking)
assert_equal 'So I was thinking', p.title assert_equal 'So I was thinking', p.title
assert p.revert_to!(p.versions.first.lock_version), "Couldn't revert to 1" assert p.revert_to!(p.versions.first.version), "Couldn't revert to 1"
assert_equal 'So I was thinking!!!', p.title assert_equal 'So I was thinking!!!', p.title
assert_equal 'SpecialLockedPage', p.versions.first.version_type assert_equal 'SpecialLockedPage', p.versions.first.version_type
end end
@ -147,15 +147,15 @@ class VersionedTest < ActiveSupport::TestCase
p = Page.create! :title => "title" p = Page.create! :title => "title"
assert_equal 1, p.version # version does not increment assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions.count assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'new title') p.update_attributes(:title => 'new title')
assert_equal 1, p.version # version does not increment assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions.count assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'a title') p.update_attributes(:title => 'a title')
assert_equal 2, p.version assert_equal 2, p.version
assert_equal 2, p.versions.count assert_equal 2, p.versions(true).size
# reset original if condition # reset original if condition
Page.class_eval { alias_method :feeling_good?, :old_feeling_good } Page.class_eval { alias_method :feeling_good?, :old_feeling_good }
@ -168,15 +168,15 @@ class VersionedTest < ActiveSupport::TestCase
p = Page.create! :title => "title" p = Page.create! :title => "title"
assert_equal 1, p.version # version does not increment assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions.count assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'a title') p.update_attributes(:title => 'a title')
assert_equal 1, p.version # version does not increment assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions.count assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'b title') p.update_attributes(:title => 'b title')
assert_equal 2, p.version assert_equal 2, p.version
assert_equal 2, p.versions.count assert_equal 2, p.versions(true).size
# reset original if condition # reset original if condition
Page.version_condition = old_condition Page.version_condition = old_condition
@ -187,10 +187,7 @@ class VersionedTest < ActiveSupport::TestCase
p.save p.save
p.save p.save
5.times do |i| 5.times do |i|
p.title = "title#{i}" assert_page_title p, i
p.save
assert_equal "title#{i}", p.title
assert_equal (i+2), p.version
end end
end end
@ -199,10 +196,7 @@ class VersionedTest < ActiveSupport::TestCase
p.update_attributes(:title => "title1") p.update_attributes(:title => "title1")
p.update_attributes(:title => "title2") p.update_attributes(:title => "title2")
5.times do |i| 5.times do |i|
p.title = "title#{i}" assert_page_title p, i, :lock_version
p.save
assert_equal "title#{i}", p.title
assert_equal (i+4), p.lock_version
assert p.versions(true).size <= 2, "locked version can only store 2 versions" assert p.versions(true).size <= 2, "locked version can only store 2 versions"
end end
end end
@ -213,12 +207,17 @@ class VersionedTest < ActiveSupport::TestCase
assert SpecialLockedPage.track_altered_attributes assert SpecialLockedPage.track_altered_attributes
end end
def test_version_order
assert_equal 23, pages(:welcome).versions.first.version
assert_equal 24, pages(:welcome).versions.last.version
end
def test_track_altered_attributes def test_track_altered_attributes
p = LockedPage.create! :title => "title" p = LockedPage.create! :title => "title"
assert_equal 1, p.lock_version assert_equal 1, p.lock_version
assert_equal 1, p.versions(true).size assert_equal 1, p.versions(true).size
p.body = 'whoa' p.title = 'title'
assert !p.save_version? assert !p.save_version?
p.save p.save
assert_equal 2, p.lock_version # still increments version because of optimistic locking assert_equal 2, p.lock_version # still increments version because of optimistic locking
@ -237,12 +236,32 @@ class VersionedTest < ActiveSupport::TestCase
assert_equal 2, p.versions(true).size # version 1 deleted assert_equal 2, p.versions(true).size # version 1 deleted
end end
def assert_page_title(p, i, version_field = :version)
p.title = "title#{i}"
p.save
assert_equal "title#{i}", p.title
assert_equal (i+4), p.send(version_field)
end
def test_find_versions def test_find_versions
assert_equal 1, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%weblog%']).size assert_equal 2, locked_pages(:welcome).versions.size
assert_equal 1, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%weblog%']).length
assert_equal 2, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%web%']).length
assert_equal 0, locked_pages(:thinking).versions.find(:all, :conditions => ['title LIKE ?', '%web%']).length
assert_equal 2, locked_pages(:welcome).versions.length
end end
def test_find_version def test_find_version
assert_equal page_versions(:welcome_1), pages(:welcome).versions.find_by_version(23) assert_equal page_versions(:welcome_1), Page.find_version(pages(:welcome).id, 23)
assert_equal page_versions(:welcome_2), Page.find_version(pages(:welcome).id, 24)
assert_equal pages(:welcome), Page.find_version(pages(:welcome).id)
assert_equal page_versions(:welcome_1), pages(:welcome).find_version(23)
assert_equal page_versions(:welcome_2), pages(:welcome).find_version(24)
assert_equal pages(:welcome), pages(:welcome).find_version
assert_raise(ActiveRecord::RecordNotFound) { Page.find_version(pages(:welcome).id, 1) }
assert_raise(ActiveRecord::RecordNotFound) { Page.find_version(0, 23) }
end end
def test_with_sequence def test_with_sequence
@ -270,6 +289,7 @@ class VersionedTest < ActiveSupport::TestCase
association = Page.reflect_on_association(:versions) association = Page.reflect_on_association(:versions)
options = association.options options = association.options
assert_equal :delete_all, options[:dependent] assert_equal :delete_all, options[:dependent]
assert_equal 'version', options[:order]
association = Widget.reflect_on_association(:versions) association = Widget.reflect_on_association(:versions)
options = association.options options = association.options
@ -320,51 +340,8 @@ class VersionedTest < ActiveSupport::TestCase
end end
def test_should_find_version_count def test_should_find_version_count
assert_equal 2, pages(:welcome).versions.size assert_equal 24, pages(:welcome).versions_count
end assert_equal 24, page_versions(:welcome_1).versions_count
assert_equal 24, page_versions(:welcome_2).versions_count
def test_if_changed_creates_version_if_a_listed_column_is_changed
landmarks(:washington).name = "Washington"
assert landmarks(:washington).changed?
assert landmarks(:washington).altered?
end
def test_if_changed_creates_version_if_all_listed_columns_are_changed
landmarks(:washington).name = "Washington"
landmarks(:washington).latitude = 1.0
landmarks(:washington).longitude = 1.0
assert landmarks(:washington).changed?
assert landmarks(:washington).altered?
end
def test_if_changed_does_not_create_new_version_if_unlisted_column_is_changed
landmarks(:washington).doesnt_trigger_version = "This should not trigger version"
assert landmarks(:washington).changed?
assert !landmarks(:washington).altered?
end
def test_without_locking_temporarily_disables_optimistic_locking
enabled1 = false
block_called = false
ActiveRecord::Base.lock_optimistically = true
LockedPage.without_locking do
enabled1 = ActiveRecord::Base.lock_optimistically
block_called = true
end
enabled2 = ActiveRecord::Base.lock_optimistically
assert block_called
assert !enabled1
assert enabled2
end
def test_without_locking_reverts_optimistic_locking_settings_if_block_raises_exception
assert_raises(RuntimeError) do
LockedPage.without_locking do
raise RuntimeError, "oh noes"
end
end
assert ActiveRecord::Base.lock_optimistically
end end
end end

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README.rdoc
lib/**/*.rb
bin/*
features/**/*.feature
LICENSE

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source 'http://rubygems.org'
group :development do
gem 'rails', '3.1.0'
gem 'sqlite3-ruby', '1.3.1'
gem 'mysql', '2.8.1'
end

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require 'rubygems'
require 'rake'
require 'date'
#############################################################################
#
# Helper functions
#
#############################################################################
def name
@name ||= Dir['*.gemspec'].first.split('.').first
end
def version
line = File.read("lib/#{name}.rb")[/^\s*VERSION\s*=\s*.*/]
line.match(/.*VERSION\s*=\s*['"](.*)['"]/)[1]
end
def date
Date.today.to_s
end
def rubyforge_project
name
end
def gemspec_file
"#{name}.gemspec"
end
def gem_file
"#{name}-#{version}.gem"
end
def replace_header(head, header_name)
head.sub!(/(\.#{header_name}\s*= ').*'/) { "#{$1}#{send(header_name)}'"}
end
#############################################################################
#
# Standard tasks
#
#############################################################################
task :default => :test
require 'rake/testtask'
Rake::TestTask.new(:test) do |test|
test.libs << 'lib' << 'test'
test.pattern = 'test/**/*_test.rb'
test.verbose = true
end
desc "Generate RCov test coverage and open in your browser"
task :coverage do
require 'rcov'
sh "rm -fr coverage"
sh "rcov test/test_*.rb"
sh "open coverage/index.html"
end
require 'rake/rdoctask'
Rake::RDocTask.new do |rdoc|
rdoc.rdoc_dir = 'rdoc'
rdoc.title = "#{name} #{version}"
rdoc.rdoc_files.include('README*')
rdoc.rdoc_files.include('lib/**/*.rb')
end
desc "Open an irb session preloaded with this library"
task :console do
sh "irb -rubygems -r ./lib/#{name}.rb"
end
#############################################################################
#
# Custom tasks (add your own tasks here)
#
#############################################################################
#############################################################################
#
# Packaging tasks
#
#############################################################################
task :release => :build do
unless `git branch` =~ /^\* master$/
puts "You must be on the master branch to release!"
exit!
end
sh "git commit --allow-empty -a -m 'Release #{version}'"
sh "git tag v#{version}"
sh "git push origin master"
sh "git push v#{version}"
sh "gem push pkg/#{name}-#{version}.gem"
end
task :build => :gemspec do
sh "mkdir -p pkg"
sh "gem build #{gemspec_file}"
sh "mv #{gem_file} pkg"
end
task :gemspec => :validate do
# read spec file and split out manifest section
spec = File.read(gemspec_file)
head, manifest, tail = spec.split(" # = MANIFEST =\n")
# replace name version and date
replace_header(head, :name)
replace_header(head, :version)
replace_header(head, :date)
#comment this out if your rubyforge_project has a different name
replace_header(head, :rubyforge_project)
# determine file list from git ls-files
files = `git ls-files`.
split("\n").
sort.
reject { |file| file =~ /^\./ }.
reject { |file| file =~ /^(rdoc|pkg)/ }.
map { |file| " #{file}" }.
join("\n")
# piece file back together and write
manifest = " s.files = %w[\n#{files}\n ]\n"
spec = [head, manifest, tail].join(" # = MANIFEST =\n")
File.open(gemspec_file, 'w') { |io| io.write(spec) }
puts "Updated #{gemspec_file}"
end
task :validate do
libfiles = Dir['lib/*'] - ["lib/#{name}.rb", "lib/#{name}"]
unless libfiles.empty?
puts "Directory `lib` should only contain a `#{name}.rb` file and `#{name}` dir."
exit!
end
unless Dir['VERSION*'].empty?
puts "A `VERSION` file at root level violates Gem best practices."
exit!
end
end

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## This is the rakegem gemspec template. Make sure you read and understand
## all of the comments. Some sections require modification, and others can
## be deleted if you don't need them. Once you understand the contents of
## this file, feel free to delete any comments that begin with two hash marks.
## You can find comprehensive Gem::Specification documentation, at
## http://docs.rubygems.org/read/chapter/20
Gem::Specification.new do |s|
s.specification_version = 2 if s.respond_to? :specification_version=
s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
s.rubygems_version = '1.3.5'
## Leave these as is they will be modified for you by the rake gemspec task.
## If your rubyforge_project name is different, then edit it and comment out
## the sub! line in the Rakefile
s.name = 'acts_as_versioned'
s.version = '0.6.0'
s.date = '2010-07-19'
s.rubyforge_project = 'acts_as_versioned'
## Make sure your summary is short. The description may be as long
## as you like.
s.summary = "Add simple versioning to ActiveRecord models."
s.description = "Add simple versioning to ActiveRecord models."
## List the primary authors. If there are a bunch of authors, it's probably
## better to set the email to an email list or something. If you don't have
## a custom homepage, consider using your GitHub URL or the like.
s.authors = ["Rick Olson"]
s.email = 'technoweenie@gmail.com'
s.homepage = 'http://github.com/technoweenie/acts_as_versioned'
## This gets added to the $LOAD_PATH so that 'lib/NAME.rb' can be required as
## require 'NAME.rb' or'/lib/NAME/file.rb' can be as require 'NAME/file.rb'
s.require_paths = %w[lib]
## Specify any RDoc options here. You'll want to add your README and
## LICENSE files to the extra_rdoc_files list.
s.rdoc_options = ["--charset=UTF-8"]
s.extra_rdoc_files = %w[README MIT-LICENSE CHANGELOG]
## List your runtime dependencies here. Runtime dependencies are those
## that are needed for an end user to actually USE your code.
s.add_dependency('activerecord', [">= 3.1.0"])
## List your development dependencies here. Development dependencies are
## those that are only needed during development
s.add_development_dependency('sqlite3-ruby', ["~> 1.3.1"])
## Leave this section as-is. It will be automatically generated from the
## contents of your Git repository via the gemspec task. DO NOT REMOVE
## THE MANIFEST COMMENTS, they are used as delimiters by the task.
# = MANIFEST =
s.files = %w[
CHANGELOG
Gemfile
MIT-LICENSE
README
RUNNING_UNIT_TESTS
Rakefile
acts_as_versioned.gemspec
init.rb
lib/acts_as_versioned.rb
test/abstract_unit.rb
test/database.yml
test/fixtures/authors.yml
test/fixtures/landmark.rb
test/fixtures/landmark_versions.yml
test/fixtures/landmarks.yml
test/fixtures/locked_pages.yml
test/fixtures/locked_pages_revisions.yml
test/fixtures/migrations/1_add_versioned_tables.rb
test/fixtures/page.rb
test/fixtures/page_versions.yml
test/fixtures/pages.yml
test/fixtures/widget.rb
test/migration_test.rb
test/schema.rb
test/versioned_test.rb
]
# = MANIFEST =
## Test files will be grabbed from the file list. Make sure the path glob
## matches what you actually use.
s.test_files = s.files.select { |path| path =~ /^test\/test_.*\.rb/ }
end

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require File.join(File.dirname(__FILE__), 'lib', 'acts_as_versioned')

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# Copyright (c) 2005 Rick Olson
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require 'active_support/concern'
module ActiveRecord #:nodoc:
module Acts #:nodoc:
# Specify this act if you want to save a copy of the row in a versioned table. This assumes there is a
# versioned table ready and that your model has a version field. This works with optimistic locking if the lock_version
# column is present as well.
#
# The class for the versioned model is derived the first time it is seen. Therefore, if you change your database schema you have to restart
# your container for the changes to be reflected. In development mode this usually means restarting WEBrick.
#
# class Page < ActiveRecord::Base
# # assumes pages_versions table
# acts_as_versioned
# end
#
# Example:
#
# page = Page.create(:title => 'hello world!')
# page.version # => 1
#
# page.title = 'hello world'
# page.save
# page.version # => 2
# page.versions.size # => 2
#
# page.revert_to(1) # using version number
# page.title # => 'hello world!'
#
# page.revert_to(page.versions.last) # using versioned instance
# page.title # => 'hello world'
#
# page.versions.earliest # efficient query to find the first version
# page.versions.latest # efficient query to find the most recently created version
#
#
# Simple Queries to page between versions
#
# page.versions.before(version)
# page.versions.after(version)
#
# Access the previous/next versions from the versioned model itself
#
# version = page.versions.latest
# version.previous # go back one version
# version.next # go forward one version
#
# See ActiveRecord::Acts::Versioned::ClassMethods#acts_as_versioned for configuration options
module Versioned
VERSION = "0.6.0"
CALLBACKS = [:set_new_version, :save_version, :save_version?]
# == Configuration options
#
# * <tt>class_name</tt> - versioned model class name (default: PageVersion in the above example)
# * <tt>table_name</tt> - versioned model table name (default: page_versions in the above example)
# * <tt>foreign_key</tt> - foreign key used to relate the versioned model to the original model (default: page_id in the above example)
# * <tt>inheritance_column</tt> - name of the column to save the model's inheritance_column value for STI. (default: versioned_type)
# * <tt>version_column</tt> - name of the column in the model that keeps the version number (default: version)
# * <tt>sequence_name</tt> - name of the custom sequence to be used by the versioned model.
# * <tt>limit</tt> - number of revisions to keep, defaults to unlimited
# * <tt>if</tt> - symbol of method to check before saving a new version. If this method returns false, a new version is not saved.
# For finer control, pass either a Proc or modify Model#version_condition_met?
#
# acts_as_versioned :if => Proc.new { |auction| !auction.expired? }
#
# or...
#
# class Auction
# def version_condition_met? # totally bypasses the <tt>:if</tt> option
# !expired?
# end
# end
#
# * <tt>if_changed</tt> - Simple way of specifying attributes that are required to be changed before saving a model. This takes
# either a symbol or array of symbols.
#
# * <tt>extend</tt> - Lets you specify a module to be mixed in both the original and versioned models. You can also just pass a block
# to create an anonymous mixin:
#
# class Auction
# acts_as_versioned do
# def started?
# !started_at.nil?
# end
# end
# end
#
# or...
#
# module AuctionExtension
# def started?
# !started_at.nil?
# end
# end
# class Auction
# acts_as_versioned :extend => AuctionExtension
# end
#
# Example code:
#
# @auction = Auction.find(1)
# @auction.started?
# @auction.versions.first.started?
#
# == Database Schema
#
# The model that you're versioning needs to have a 'version' attribute. The model is versioned
# into a table called #{model}_versions where the model name is singlular. The _versions table should
# contain all the fields you want versioned, the same version column, and a #{model}_id foreign key field.
#
# A lock_version field is also accepted if your model uses Optimistic Locking. If your table uses Single Table inheritance,
# then that field is reflected in the versioned model as 'versioned_type' by default.
#
# Acts_as_versioned comes prepared with the ActiveRecord::Acts::Versioned::ActMethods::ClassMethods#create_versioned_table
# method, perfect for a migration. It will also create the version column if the main model does not already have it.
#
# class AddVersions < ActiveRecord::Migration
# def self.up
# # create_versioned_table takes the same options hash
# # that create_table does
# Post.create_versioned_table
# end
#
# def self.down
# Post.drop_versioned_table
# end
# end
#
# == Changing What Fields Are Versioned
#
# By default, acts_as_versioned will version all but these fields:
#
# [self.primary_key, inheritance_column, 'version', 'lock_version', versioned_inheritance_column]
#
# You can add or change those by modifying #non_versioned_columns. Note that this takes strings and not symbols.
#
# class Post < ActiveRecord::Base
# acts_as_versioned
# self.non_versioned_columns << 'comments_count'
# end
#
def acts_as_versioned(options = {}, &extension)
# don't allow multiple calls
return if self.included_modules.include?(ActiveRecord::Acts::Versioned::Behaviors)
cattr_accessor :versioned_class_name, :versioned_foreign_key, :versioned_table_name, :versioned_inheritance_column,
:version_column, :max_version_limit, :track_altered_attributes, :version_condition, :version_sequence_name, :non_versioned_columns,
:version_association_options, :version_if_changed
self.versioned_class_name = options[:class_name] || "Version"
self.versioned_foreign_key = options[:foreign_key] || self.to_s.foreign_key
self.versioned_table_name = options[:table_name] || "#{table_name_prefix}#{base_class.name.demodulize.underscore}_versions#{table_name_suffix}"
self.versioned_inheritance_column = options[:inheritance_column] || "versioned_#{inheritance_column}"
self.version_column = options[:version_column] || 'version'
self.version_sequence_name = options[:sequence_name]
self.max_version_limit = options[:limit].to_i
self.version_condition = options[:if] || true
self.non_versioned_columns = [self.primary_key, inheritance_column, self.version_column, 'lock_version', versioned_inheritance_column] + options[:non_versioned_columns].to_a.map(&:to_s)
self.version_association_options = {
:class_name => "#{self.to_s}::#{versioned_class_name}",
:foreign_key => versioned_foreign_key,
:dependent => :delete_all
}.merge(options[:association_options] || {})
if block_given?
extension_module_name = "#{versioned_class_name}Extension"
silence_warnings do
self.const_set(extension_module_name, Module.new(&extension))
end
options[:extend] = self.const_get(extension_module_name)
end
unless options[:if_changed].nil?
self.track_altered_attributes = true
options[:if_changed] = [options[:if_changed]] unless options[:if_changed].is_a?(Array)
self.version_if_changed = options[:if_changed].map(&:to_s)
end
include options[:extend] if options[:extend].is_a?(Module)
include ActiveRecord::Acts::Versioned::Behaviors
#
# Create the dynamic versioned model
#
const_set(versioned_class_name, Class.new(ActiveRecord::Base)).class_eval do
def self.reloadable?;
false;
end
# find first version before the given version
def self.before(version)
where(["#{original_class.versioned_foreign_key} = ? and version < ?", version.send(original_class.versioned_foreign_key), version.version]).
order('version DESC').
first
end
# find first version after the given version.
def self.after(version)
where(["#{original_class.versioned_foreign_key} = ? and version > ?", version.send(original_class.versioned_foreign_key), version.version]).
order('version ASC').
first
end
# finds earliest version of this record
def self.earliest
order("#{original_class.version_column}").first
end
# find latest version of this record
def self.latest
order("#{original_class.version_column} desc").first
end
def previous
self.class.before(self)
end
def next
self.class.after(self)
end
def versions_count
page.version
end
end
versioned_class.cattr_accessor :original_class
versioned_class.original_class = self
versioned_class.set_table_name versioned_table_name
versioned_class.belongs_to self.to_s.demodulize.underscore.to_sym,
:class_name => "::#{self.to_s}",
:foreign_key => versioned_foreign_key
versioned_class.send :include, options[:extend] if options[:extend].is_a?(Module)
versioned_class.set_sequence_name version_sequence_name if version_sequence_name
end
module Behaviors
extend ActiveSupport::Concern
included do
has_many :versions, self.version_association_options
before_save :set_new_version
after_save :save_version
after_save :clear_old_versions
end
module InstanceMethods
# Saves a version of the model in the versioned table. This is called in the after_save callback by default
def save_version
if @saving_version
@saving_version = nil
rev = self.class.versioned_class.new
clone_versioned_model(self, rev)
rev.send("#{self.class.version_column}=", send(self.class.version_column))
rev.send("#{self.class.versioned_foreign_key}=", id)
rev.save
end
end
# Clears old revisions if a limit is set with the :limit option in <tt>acts_as_versioned</tt>.
# Override this method to set your own criteria for clearing old versions.
def clear_old_versions
return if self.class.max_version_limit == 0
excess_baggage = send(self.class.version_column).to_i - self.class.max_version_limit
if excess_baggage > 0
self.class.versioned_class.delete_all ["#{self.class.version_column} <= ? and #{self.class.versioned_foreign_key} = ?", excess_baggage, id]
end
end
# Reverts a model to a given version. Takes either a version number or an instance of the versioned model
def revert_to(version)
if version.is_a?(self.class.versioned_class)
return false unless version.send(self.class.versioned_foreign_key) == id and !version.new_record?
else
return false unless version = versions.where(self.class.version_column => version).first
end
self.clone_versioned_model(version, self)
send("#{self.class.version_column}=", version.send(self.class.version_column))
true
end
# Reverts a model to a given version and saves the model.
# Takes either a version number or an instance of the versioned model
def revert_to!(version)
revert_to(version) ? save_without_revision : false
end
# Temporarily turns off Optimistic Locking while saving. Used when reverting so that a new version is not created.
def save_without_revision
save_without_revision!
true
rescue
false
end
def save_without_revision!
without_locking do
without_revision do
save!
end
end
end
def altered?
track_altered_attributes ? (version_if_changed - changed).length < version_if_changed.length : changed?
end
# Clones a model. Used when saving a new version or reverting a model's version.
def clone_versioned_model(orig_model, new_model)
self.class.versioned_columns.each do |col|
new_model[col.name] = orig_model.send(col.name) if orig_model.has_attribute?(col.name)
end
if orig_model.is_a?(self.class.versioned_class)
new_model[new_model.class.inheritance_column] = orig_model[self.class.versioned_inheritance_column]
elsif new_model.is_a?(self.class.versioned_class)
new_model[self.class.versioned_inheritance_column] = orig_model[orig_model.class.inheritance_column]
end
end
# Checks whether a new version shall be saved or not. Calls <tt>version_condition_met?</tt> and <tt>changed?</tt>.
def save_version?
version_condition_met? && altered?
end
# Checks condition set in the :if option to check whether a revision should be created or not. Override this for
# custom version condition checking.
def version_condition_met?
case
when version_condition.is_a?(Symbol)
send(version_condition)
when version_condition.respond_to?(:call) && (version_condition.arity == 1 || version_condition.arity == -1)
version_condition.call(self)
else
version_condition
end
end
# Executes the block with the versioning callbacks disabled.
#
# @foo.without_revision do
# @foo.save
# end
#
def without_revision(&block)
self.class.without_revision(&block)
end
# Turns off optimistic locking for the duration of the block
#
# @foo.without_locking do
# @foo.save
# end
#
def without_locking(&block)
self.class.without_locking(&block)
end
def empty_callback()
end
#:nodoc:
protected
# sets the new version before saving, unless you're using optimistic locking. In that case, let it take care of the version.
def set_new_version
@saving_version = new_record? || save_version?
self.send("#{self.class.version_column}=", next_version) if new_record? || (!locking_enabled? && save_version?)
end
# Gets the next available version for the current record, or 1 for a new record
def next_version
(new_record? ? 0 : versions.calculate(:maximum, version_column).to_i) + 1
end
end
module ClassMethods
# Returns an array of columns that are versioned. See non_versioned_columns
def versioned_columns
@versioned_columns ||= columns.select { |c| !non_versioned_columns.include?(c.name) }
end
# Returns an instance of the dynamic versioned model
def versioned_class
const_get versioned_class_name
end
# Rake migration task to create the versioned table using options passed to acts_as_versioned
def create_versioned_table(create_table_options = {})
# create version column in main table if it does not exist
if !self.content_columns.find { |c| [version_column.to_s, 'lock_version'].include? c.name }
self.connection.add_column table_name, version_column, :integer
self.reset_column_information
end
return if connection.table_exists?(versioned_table_name)
self.connection.create_table(versioned_table_name, create_table_options) do |t|
t.column versioned_foreign_key, :integer
t.column version_column, :integer
end
self.versioned_columns.each do |col|
self.connection.add_column versioned_table_name, col.name, col.type,
:limit => col.limit,
:default => col.default,
:scale => col.scale,
:precision => col.precision
end
if type_col = self.columns_hash[inheritance_column]
self.connection.add_column versioned_table_name, versioned_inheritance_column, type_col.type,
:limit => type_col.limit,
:default => type_col.default,
:scale => type_col.scale,
:precision => type_col.precision
end
self.connection.add_index versioned_table_name, versioned_foreign_key
end
# Rake migration task to drop the versioned table
def drop_versioned_table
self.connection.drop_table versioned_table_name
end
# Executes the block with the versioning callbacks disabled.
#
# Foo.without_revision do
# @foo.save
# end
#
def without_revision(&block)
class_eval do
CALLBACKS.each do |attr_name|
alias_method "orig_#{attr_name}".to_sym, attr_name
alias_method attr_name, :empty_callback
end
end
block.call
ensure
class_eval do
CALLBACKS.each do |attr_name|
alias_method attr_name, "orig_#{attr_name}".to_sym
end
end
end
# Turns off optimistic locking for the duration of the block
#
# Foo.without_locking do
# @foo.save
# end
#
def without_locking(&block)
current = ActiveRecord::Base.lock_optimistically
ActiveRecord::Base.lock_optimistically = false if current
begin
block.call
ensure
ActiveRecord::Base.lock_optimistically = true if current
end
end
end
end
end
end
end
ActiveRecord::Base.extend ActiveRecord::Acts::Versioned

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sqlite:
adapter: sqlite
dbfile: acts_as_versioned_plugin.sqlite.db
sqlite3:
adapter: sqlite3
database: acts_as_versioned_plugin.sqlite3.db
postgresql:
adapter: postgresql
username: postgres
password: postgres
database: acts_as_versioned_plugin_test
min_messages: ERROR
mysql:
adapter: mysql
host: localhost
username: rails
password:
database: acts_as_versioned_plugin_test