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# frozen_string_literal: true
module WebIde
module Settings
class Main
include Messages
extend Gitlab::Fp::MessageSupport
# @param [Hash] context
# @return [Hash]
# @raise [Gitlab::Fp::UnmatchedResultError]
def self.get_settings(context)
initial_result = Gitlab::Fp::Result.ok(context)
# The order of the chain determines the precedence of settings. I.e., defaults are
# overridden by subsequent steps, and any env vars override previous steps.
result =
initial_result
.map(SettingsInitializer.method(:init))
.map(ExtensionsGalleryMetadataGenerator.method(:generate))
# NOTE: EnvVarOverrideProcessor is kept as last settings processing step, so it can always be used
# to easily overrideany settings for local or temporary testing, but still before all validators.
.and_then(Gitlab::Fp::Settings::EnvVarOverrideProcessor.method(:process))
.and_then(ExtensionsGalleryValidator.method(:validate))
.and_then(ExtensionsGalleryMetadataValidator.method(:validate))
.map(
# As the final step, return the settings in a SettingsGetSuccessful message
->(context) do
SettingsGetSuccessful.new(settings: context.fetch(:settings))
end
)
# rubocop:disable Lint/DuplicateBranch -- Rubocop doesn't know the branches are different due to destructuring
case result
in { err: SettingsEnvironmentVariableOverrideFailed => message }
generate_error_response_from_message(message: message, reason: :internal_server_error)
in { err: SettingsVscodeExtensionsGalleryValidationFailed => message }
generate_error_response_from_message(message: message, reason: :internal_server_error)
in { err: SettingsVscodeExtensionsGalleryMetadataValidationFailed => message }
generate_error_response_from_message(message: message, reason: :internal_server_error)
in { ok: SettingsGetSuccessful => message }
{ settings: message.content.fetch(:settings), status: :success }
else
raise Gitlab::Fp::UnmatchedResultError.new(result: result)
end
# rubocop:enable Lint/DuplicateBranch
end
end
end
end
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