mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
226 lines
6.4 KiB
Ruby
226 lines
6.4 KiB
Ruby
require 'ostruct'
|
|
|
|
module DeveloperProjectsAssociationExtension
|
|
def find_most_recent
|
|
scoped(:order => "id DESC").first
|
|
end
|
|
end
|
|
|
|
module DeveloperProjectsAssociationExtension2
|
|
def find_least_recent
|
|
scoped(:order => "id ASC").first
|
|
end
|
|
end
|
|
|
|
class Developer < ActiveRecord::Base
|
|
has_and_belongs_to_many :projects do
|
|
def find_most_recent
|
|
scoped(:order => "id DESC").first
|
|
end
|
|
end
|
|
|
|
has_and_belongs_to_many :projects_extended_by_name,
|
|
:class_name => "Project",
|
|
:join_table => "developers_projects",
|
|
:association_foreign_key => "project_id",
|
|
:extend => DeveloperProjectsAssociationExtension
|
|
|
|
has_and_belongs_to_many :projects_extended_by_name_twice,
|
|
:class_name => "Project",
|
|
:join_table => "developers_projects",
|
|
:association_foreign_key => "project_id",
|
|
:extend => [DeveloperProjectsAssociationExtension, DeveloperProjectsAssociationExtension2]
|
|
|
|
has_and_belongs_to_many :projects_extended_by_name_and_block,
|
|
:class_name => "Project",
|
|
:join_table => "developers_projects",
|
|
:association_foreign_key => "project_id",
|
|
:extend => DeveloperProjectsAssociationExtension do
|
|
def find_least_recent
|
|
scoped(:order => "id ASC").first
|
|
end
|
|
end
|
|
|
|
has_and_belongs_to_many :special_projects, :join_table => 'developers_projects', :association_foreign_key => 'project_id'
|
|
|
|
has_many :audit_logs
|
|
|
|
scope :jamises, -> { where(:name => 'Jamis') }
|
|
|
|
validates_inclusion_of :salary, :in => 50000..200000
|
|
validates_length_of :name, :within => 3..20
|
|
|
|
before_create do |developer|
|
|
developer.audit_logs.build :message => "Computer created"
|
|
end
|
|
|
|
def log=(message)
|
|
audit_logs.build :message => message
|
|
end
|
|
end
|
|
|
|
class AuditLog < ActiveRecord::Base
|
|
belongs_to :developer, :validate => true
|
|
belongs_to :unvalidated_developer, :class_name => 'Developer'
|
|
end
|
|
|
|
DeveloperSalary = Struct.new(:amount)
|
|
class DeveloperWithAggregate < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
composed_of :salary, :class_name => 'DeveloperSalary', :mapping => [%w(salary amount)]
|
|
end
|
|
|
|
class DeveloperWithBeforeDestroyRaise < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :join_table => 'developers_projects', :foreign_key => 'developer_id'
|
|
before_destroy :raise_if_projects_empty!
|
|
|
|
def raise_if_projects_empty!
|
|
raise if projects.empty?
|
|
end
|
|
end
|
|
|
|
class DeveloperWithSelect < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope { select('name') }
|
|
end
|
|
|
|
class DeveloperWithIncludes < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_many :audit_logs, :foreign_key => :developer_id
|
|
default_scope { includes(:audit_logs) }
|
|
end
|
|
|
|
class DeveloperOrderedBySalary < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope { order('salary DESC') }
|
|
|
|
scope :by_name, -> { order('name DESC') }
|
|
end
|
|
|
|
class DeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope { where("name = 'David'") }
|
|
end
|
|
|
|
class LazyLambdaDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope lambda { where(:name => 'David') }
|
|
end
|
|
|
|
class LazyBlockDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope { where(:name => 'David') }
|
|
end
|
|
|
|
class CallableDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
default_scope OpenStruct.new(:call => where(:name => 'David'))
|
|
end
|
|
|
|
class ClassMethodDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
|
|
def self.default_scope
|
|
where(:name => 'David')
|
|
end
|
|
end
|
|
|
|
class ClassMethodReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
scope :david, -> { where(:name => 'David') }
|
|
|
|
def self.default_scope
|
|
david
|
|
end
|
|
end
|
|
|
|
class LazyBlockReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
scope :david, -> { where(:name => 'David') }
|
|
default_scope { david }
|
|
end
|
|
|
|
class DeveloperCalledJamis < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
|
|
default_scope { where(:name => 'Jamis') }
|
|
scope :poor, -> { where('salary < 150000') }
|
|
end
|
|
|
|
class PoorDeveloperCalledJamis < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
|
|
default_scope -> { where(:name => 'Jamis', :salary => 50000) }
|
|
end
|
|
|
|
class InheritedPoorDeveloperCalledJamis < DeveloperCalledJamis
|
|
self.table_name = 'developers'
|
|
|
|
default_scope -> { where(:salary => 50000) }
|
|
end
|
|
|
|
class MultiplePoorDeveloperCalledJamis < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
|
|
default_scope -> { where(:name => 'Jamis') }
|
|
default_scope -> { where(:salary => 50000) }
|
|
end
|
|
|
|
module SalaryDefaultScope
|
|
extend ActiveSupport::Concern
|
|
|
|
included { default_scope { where(:salary => 50000) } }
|
|
end
|
|
|
|
class ModuleIncludedPoorDeveloperCalledJamis < DeveloperCalledJamis
|
|
self.table_name = 'developers'
|
|
|
|
include SalaryDefaultScope
|
|
end
|
|
|
|
class EagerDeveloperWithDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :foreign_key => 'developer_id', :join_table => 'developers_projects', :order => 'projects.id'
|
|
|
|
default_scope { includes(:projects) }
|
|
end
|
|
|
|
class EagerDeveloperWithClassMethodDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :foreign_key => 'developer_id', :join_table => 'developers_projects', :order => 'projects.id'
|
|
|
|
def self.default_scope
|
|
includes(:projects)
|
|
end
|
|
end
|
|
|
|
class EagerDeveloperWithLambdaDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :foreign_key => 'developer_id', :join_table => 'developers_projects', :order => 'projects.id'
|
|
|
|
default_scope lambda { includes(:projects) }
|
|
end
|
|
|
|
class EagerDeveloperWithBlockDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :foreign_key => 'developer_id', :join_table => 'developers_projects', :order => 'projects.id'
|
|
|
|
default_scope { includes(:projects) }
|
|
end
|
|
|
|
class EagerDeveloperWithCallableDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
has_and_belongs_to_many :projects, :foreign_key => 'developer_id', :join_table => 'developers_projects', :order => 'projects.id'
|
|
|
|
default_scope OpenStruct.new(:call => includes(:projects))
|
|
end
|
|
|
|
class ThreadsafeDeveloper < ActiveRecord::Base
|
|
self.table_name = 'developers'
|
|
|
|
def self.default_scope
|
|
sleep 0.05 if Thread.current[:long_default_scope]
|
|
limit(1)
|
|
end
|
|
end
|