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