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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.active_record.maintain_test_schema = true
config.eager_load_namespaces << ActiveRecord
rake_tasks do
namespace :db do
task :load_config do
ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration
if defined?(ENGINE_PATH) && engine = Rails::Engine.find(ENGINE_PATH)
if engine.paths['db/migrate'].existent
ActiveRecord::Tasks::DatabaseTasks.migrations_paths += engine.paths['db/migrate'].to_a
end
end
end
end
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
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
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
self.connection.schema_cache = cache
self.connection_pool.schema_cache = cache.dup
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.warn_on_records_fetched_greater_than" do
if config.active_record.warn_on_records_fetched_greater_than
ActiveSupport.on_load(:active_record) do
require 'active_record/relation/record_fetch_warning'
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
self.configurations = Rails.application.config.database_configuration
begin
establish_connection
rescue ActiveRecord::NoDatabaseError
warn <<-end_warning
Oops - You have a database configured, but it doesn't exist yet!
Here's how to get started:
1. Configure your database in config/database.yml.
2. Run `bin/rake db:create` to create the database.
3. Run `bin/rake db:setup` to load your database schema.
end_warning
raise
end
end
end
# Expose database runtime to controller for logging.
initializer "active_record.log_runtime" do
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
if ActiveRecord::Base.connected?
ActiveRecord::Base.clear_cache!
ActiveRecord::Base.clear_reloadable_connections!
end
end
end
end
initializer "active_record.add_watchable_files" do |app|
path = app.paths["db"].first
config.watchable_files.concat ["#{path}/schema.rb", "#{path}/structure.sql"]
end
end
end
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