mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
305 lines
8.7 KiB
Ruby
305 lines
8.7 KiB
Ruby
# frozen_string_literal: true
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require "ostruct"
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class Developer < ActiveRecord::Base
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module ProjectsAssociationExtension2
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def find_least_recent
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order("id ASC").first
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end
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end
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self.ignored_columns = %w(first_name last_name)
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has_and_belongs_to_many :projects do
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def find_most_recent
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order("id DESC").first
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end
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end
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belongs_to :mentor
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belongs_to :strict_loading_mentor, strict_loading: true, foreign_key: :mentor_id, class_name: "Mentor"
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accepts_nested_attributes_for :projects
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has_and_belongs_to_many :shared_computers, class_name: "Computer"
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has_and_belongs_to_many :projects_extended_by_name,
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-> { extending(ProjectsAssociationExtension) },
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class_name: "Project",
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join_table: "developers_projects",
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association_foreign_key: "project_id"
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has_and_belongs_to_many :projects_extended_by_name_twice,
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-> { extending(ProjectsAssociationExtension, ProjectsAssociationExtension2) },
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class_name: "Project",
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join_table: "developers_projects",
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association_foreign_key: "project_id"
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has_and_belongs_to_many :projects_extended_by_name_and_block,
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-> { extending(ProjectsAssociationExtension) },
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class_name: "Project",
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join_table: "developers_projects",
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association_foreign_key: "project_id" do
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def find_least_recent
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order("id ASC").first
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end
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end
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has_and_belongs_to_many :strict_loading_projects,
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join_table: :developers_projects,
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association_foreign_key: :project_id,
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class_name: "Project",
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strict_loading: true
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has_and_belongs_to_many :special_projects, join_table: "developers_projects", association_foreign_key: "project_id"
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has_and_belongs_to_many :sym_special_projects,
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join_table: :developers_projects,
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association_foreign_key: "project_id",
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class_name: "SpecialProject"
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has_many :audit_logs
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has_many :strict_loading_audit_logs, -> { strict_loading }, class_name: "AuditLog"
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has_many :strict_loading_opt_audit_logs, strict_loading: true, class_name: "AuditLog"
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has_many :contracts
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has_many :firms, through: :contracts, source: :firm
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has_many :comments, ->(developer) { where(body: "I'm #{developer.name}") }
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has_many :ratings, through: :comments
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has_one :ship, dependent: :nullify
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has_one :strict_loading_ship, strict_loading: true, class_name: "Ship"
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belongs_to :firm
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has_many :contracted_projects, class_name: "Project"
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scope :jamises, -> { where(name: "Jamis") }
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validates_inclusion_of :salary, in: 50000..200000
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validates_length_of :name, within: 3..20
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before_create do |developer|
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developer.audit_logs.build message: "Computer created"
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end
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attribute :last_name
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def log=(message)
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audit_logs.build message: message
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end
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after_find :track_instance_count
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cattr_accessor :instance_count
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def track_instance_count
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self.class.instance_count ||= 0
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self.class.instance_count += 1
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end
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private :track_instance_count
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end
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class SubDeveloper < Developer
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end
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class SymbolIgnoredDeveloper < ActiveRecord::Base
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self.table_name = "developers"
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self.ignored_columns = [:first_name, :last_name]
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attribute :last_name
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end
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class AuditLog < ActiveRecord::Base
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belongs_to :developer, validate: true
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belongs_to :unvalidated_developer, class_name: "Developer"
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end
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class DeveloperWithBeforeDestroyRaise < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, join_table: "developers_projects", foreign_key: "developer_id"
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before_destroy :raise_if_projects_empty!
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def raise_if_projects_empty!
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raise if projects.empty?
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end
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end
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class DeveloperWithSelect < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { select("name") }
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end
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class DeveloperWithIncludes < ActiveRecord::Base
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self.table_name = "developers"
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has_many :audit_logs, foreign_key: :developer_id
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default_scope { includes(:audit_logs) }
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end
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class DeveloperFilteredOnJoins < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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def self.default_scope
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joins(:projects).where(projects: { name: "Active Controller" })
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end
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end
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class DeveloperOrderedBySalary < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { order("salary DESC") }
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scope :by_name, -> { order("name DESC") }
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end
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class DeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { where("name = 'David'") }
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end
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class LazyLambdaDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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default_scope lambda { where(name: "David") }
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end
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class LazyBlockDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { where(name: "David") }
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end
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class CallableDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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default_scope OpenStruct.new(call: where(name: "David"))
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end
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class ClassMethodDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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def self.default_scope
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where(name: "David")
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end
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end
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class ClassMethodReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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scope :david, -> { where(name: "David") }
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def self.default_scope
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david
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end
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end
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class LazyBlockReferencingScopeDeveloperCalledDavid < ActiveRecord::Base
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self.table_name = "developers"
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scope :david, -> { where(name: "David") }
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default_scope { david }
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end
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class DeveloperCalledJamis < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { where(name: "Jamis") }
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scope :poor, -> { where("salary < 150000") }
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scope :david, -> { where name: "David" }
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scope :david2, -> { unscoped.where name: "David" }
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end
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class PoorDeveloperCalledJamis < ActiveRecord::Base
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self.table_name = "developers"
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default_scope -> { where(name: "Jamis", salary: 50000) }
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end
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class InheritedPoorDeveloperCalledJamis < DeveloperCalledJamis
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self.table_name = "developers"
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default_scope -> { where(salary: 50000) }
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end
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class MultiplePoorDeveloperCalledJamis < ActiveRecord::Base
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self.table_name = "developers"
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default_scope { }
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default_scope -> { where(name: "Jamis") }
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default_scope -> { where(salary: 50000) }
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end
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module SalaryDefaultScope
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extend ActiveSupport::Concern
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included { default_scope { where(salary: 50000) } }
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end
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class ModuleIncludedPoorDeveloperCalledJamis < DeveloperCalledJamis
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self.table_name = "developers"
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include SalaryDefaultScope
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end
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class EagerDeveloperWithDefaultScope < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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default_scope { includes(:projects) }
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end
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class EagerDeveloperWithClassMethodDefaultScope < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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def self.default_scope
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includes(:projects)
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end
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end
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class EagerDeveloperWithLambdaDefaultScope < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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default_scope lambda { includes(:projects) }
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end
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class EagerDeveloperWithBlockDefaultScope < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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default_scope { includes(:projects) }
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end
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class EagerDeveloperWithCallableDefaultScope < ActiveRecord::Base
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self.table_name = "developers"
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has_and_belongs_to_many :projects, -> { order("projects.id") }, foreign_key: "developer_id", join_table: "developers_projects"
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default_scope OpenStruct.new(call: includes(:projects))
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end
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class ThreadsafeDeveloper < ActiveRecord::Base
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self.table_name = "developers"
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def self.default_scope
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Thread.current[:default_scope_delay].call
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limit(1)
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end
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end
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class CachedDeveloper < ActiveRecord::Base
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self.table_name = "developers"
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self.cache_timestamp_format = :number
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end
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class DeveloperWithIncorrectlyOrderedHasManyThrough < ActiveRecord::Base
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self.table_name = "developers"
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has_many :companies, through: :contracts
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has_many :contracts, foreign_key: :developer_id
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end
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class DeveloperName < ActiveRecord::Type::String
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def deserialize(value)
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"Developer: #{value}"
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end
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end
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class AttributedDeveloper < ActiveRecord::Base
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self.table_name = "developers"
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attribute :name, DeveloperName.new
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self.ignored_columns += ["name"]
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end
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