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require "rails/engine"
module ActiveStorage
class Engine < Rails::Engine # :nodoc:
config.active_storage = ActiveSupport::OrderedOptions.new
config.eager_load_namespaces << ActiveStorage
initializer "active_storage.routes" do
require "active_storage/disk_controller"
config.after_initialize do |app|
app.routes.prepend do
get "/rails/blobs/:encoded_key/*filename" => "active_storage/disk#show", as: :rails_disk_blob
end
end
end
initializer "active_storage.attached" do
require "active_storage/attached"
ActiveSupport.on_load(:active_record) do
extend ActiveStorage::Attached::Macros
end
end
config.after_initialize do |app|
config_choice = app.config.active_storage.service
config_file = Pathname.new(Rails.root.join("config/storage_services.yml"))
if config_choice
raise("Couldn't find Active Storage configuration in #{config_file}") unless config_file.exist?
begin
require "yaml"
require "erb"
configs = YAML.load(ERB.new(config_file.read).result) || {}
if service_configuration = configs[config_choice.to_s].symbolize_keys
service_name = service_configuration.delete(:service)
ActiveStorage::Blob.service = ActiveStorage::Service.configure(service_name, service_configuration)
else
raise "Couldn't configure Active Storage as #{config_choice} was not found in #{config_file}"
end
rescue Psych::SyntaxError => e
raise "YAML syntax error occurred while parsing #{config_file}. " \
"Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
"Error: #{e.message}"
rescue => e
raise e, "Cannot load `Rails.config.active_storage.service`:\n#{e.message}", e.backtrace
end
end
end
end
end
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