133 lines
4.4 KiB
Ruby
133 lines
4.4 KiB
Ruby
require "active_record"
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require "rails"
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require "active_model/railtie"
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# For now, action_controller must always be present with
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# rails, so let's make sure that it gets required before
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# here. This is needed for correctly setting up the middleware.
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# In the future, this might become an optional require.
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require "action_controller/railtie"
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module ActiveRecord
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# = Active Record Railtie
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class Railtie < Rails::Railtie
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config.active_record = ActiveSupport::OrderedOptions.new
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config.app_generators.orm :active_record, :migration => true,
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:timestamps => true
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config.app_middleware.insert_after "::ActionDispatch::Callbacks",
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"ActiveRecord::QueryCache"
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config.app_middleware.insert_after "::ActionDispatch::Callbacks",
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"ActiveRecord::ConnectionAdapters::ConnectionManagement"
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config.action_dispatch.rescue_responses.merge!(
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'ActiveRecord::RecordNotFound' => :not_found,
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'ActiveRecord::StaleObjectError' => :conflict,
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'ActiveRecord::RecordInvalid' => :unprocessable_entity,
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'ActiveRecord::RecordNotSaved' => :unprocessable_entity
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)
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rake_tasks do
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load "active_record/railties/databases.rake"
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end
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# When loading console, force ActiveRecord::Base to be loaded
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# to avoid cross references when loading a constant for the
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# first time. Also, make it output to STDERR.
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console do |app|
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require "active_record/railties/console_sandbox" if app.sandbox?
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console = ActiveSupport::Logger.new(STDERR)
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Rails.logger.extend ActiveSupport::Logger.broadcast console
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end
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initializer "active_record.initialize_timezone" do
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ActiveSupport.on_load(:active_record) do
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self.time_zone_aware_attributes = true
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self.default_timezone = :utc
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end
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end
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initializer "active_record.logger" do
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ActiveSupport.on_load(:active_record) { self.logger ||= ::Rails.logger }
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end
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initializer "active_record.set_configs" do |app|
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ActiveSupport.on_load(:active_record) do
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if app.config.active_record.delete(:whitelist_attributes)
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attr_accessible(nil)
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end
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app.config.active_record.each do |k,v|
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send "#{k}=", v
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end
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end
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end
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# This sets the database configuration from Configuration#database_configuration
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# and then establishes the connection.
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initializer "active_record.initialize_database" do |app|
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ActiveSupport.on_load(:active_record) do
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unless ENV['DATABASE_URL']
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self.configurations = app.config.database_configuration
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end
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establish_connection
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end
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end
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# Expose database runtime to controller for logging.
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initializer "active_record.log_runtime" do |app|
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require "active_record/railties/controller_runtime"
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ActiveSupport.on_load(:action_controller) do
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include ActiveRecord::Railties::ControllerRuntime
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end
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end
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initializer "active_record.set_reloader_hooks" do |app|
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hook = lambda do
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ActiveRecord::Base.clear_reloadable_connections!
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ActiveRecord::Base.clear_cache!
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end
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if app.config.reload_classes_only_on_change
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ActiveSupport.on_load(:active_record) do
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ActionDispatch::Reloader.to_prepare(&hook)
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end
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else
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ActiveSupport.on_load(:active_record) do
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ActionDispatch::Reloader.to_cleanup(&hook)
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end
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end
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end
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initializer "active_record.add_watchable_files" do |app|
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config.watchable_files.concat ["#{app.root}/db/schema.rb", "#{app.root}/db/structure.sql"]
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end
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config.after_initialize do |app|
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ActiveSupport.on_load(:active_record) do
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ActiveRecord::Base.instantiate_observers
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ActionDispatch::Reloader.to_prepare do
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ActiveRecord::Base.instantiate_observers
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end
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end
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ActiveSupport.on_load(:active_record) do
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if app.config.use_schema_cache_dump
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filename = File.join(app.config.paths["db"].first, "schema_cache.dump")
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if File.file?(filename)
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cache = Marshal.load File.binread filename
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if cache.version == ActiveRecord::Migrator.current_version
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ActiveRecord::Base.connection.schema_cache = cache
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else
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warn "schema_cache.dump is expired. Current version is #{ActiveRecord::Migrator.current_version}, but cache version is #{cache.version}."
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end
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end
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end
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end
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end
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end
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end
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