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path: root/app/controllers/govuk_guix/revisions_controller.rb
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# GOV.UK Mini Environment Admin
# Copyright © 2018  Christopher Baines <mail@cbaines.net>
#
# This file is part of the GOV.UK Mini Environment Admin.
#
# The GOV.UK Mini Environment Admin is free software: you can
# redistribute it and/or modify it under the terms of the GNU Affero
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later
# version.
#
# The GOV.UK Mini Environment Admin is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with the GOV.UK Mini Environment Admin.  If not, see
# <http://www.gnu.org/licenses/>.

class GovukGuix::RevisionsController < ApplicationController
  def show
    @revision = GovukGuix::Revision.find(params['id'])
  end

  def destroy
    @revision = GovukGuix::Revision.find(params['id'])

    @revision.update(archived: true)
    flash[:info] = "Archived #{@revision.commit_hash}..."

    render :show
  end

  def enqueue_fetch_revision
    revision = params.require('revision')

    # Attempt to check if this can be performed locally
    if Guix.available_locally?
      options = {}
    else
      # Assume that the AWS backend is in use
      backend = Backends::TerraformAwsUsingAmi.first ||
                Backends::TerraformAws.first

      options = {
        backend_type_and_id: backend.type_and_id
      }
    end

    GovukGuix::FetchRevisionJob.enqueue(revision, options)

    flash[:info] = "Fetching govuk-guix revision (#{revision})..."
    redirect_to setup_path
  end
end