Initial commit

app/jobs/generate_contracts_zip_job.rb

@@ -0,0 +1,49 @@
+class GenerateContractsZipJob < ApplicationJob
+  queue_as :default
+  include Rails.application.routes.url_helpers
+  include ActionView::Helpers::UrlHelper
+
+  before_perform do |job|
+    @project = job.arguments.first
+    @download = job.arguments.second
+    release_type = job.arguments.third
+    @folder_name = "#{@project.name.parameterize}_#{get_release_name(release_type).gsub('_', '-')}"
+    @download.update!(name: @folder_name, status: :pending)
+  end
+
+  def perform(project, download, release_type, release_ids)
+    releases = project.public_send(get_release_name(release_type)).where(id: release_ids)
+
+    ::ReleaseContractCollectionService.new(releases, @folder_name).build do |dir, files|
+      zipfile_name = "#{dir}/#{@folder_name}.zip"
+      Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
+        files.each do |attachment|
+          zipfile.add(attachment, File.join("#{dir}/", attachment))
+        end
+      end
+
+      @download.file.attach(io: File.open(zipfile_name), filename: @folder_name)
+    end
+  rescue StandardError => e
+    Rails.logger.error("Failed to generate download for project (##{project.id}) with release type #{release_type}\n" + e.message)
+    
+    @download.failure!
+    ProjectsChannel.broadcast_download_generation_update(@download, I18n.t("contract_downloads.download.failure"))
+  end
+
+  after_perform do |job|
+    if @download.pending? && @download.file.attached?
+      @download.success!
+
+      downloads_folder_link = link_to("Files > Downloads", project_downloads_path(I18n.locale, @project))
+      download_button = link_to("Download", rails_blob_path(@download.file, disposition: "attachment", only_path: true), class: "btn btn-success", target: :_blank)
+      ProjectsChannel.broadcast_download_generation_update(@download, I18n.t("contract_downloads.download.success", downloads_folder_link: downloads_folder_link, download_button: download_button, release_type: job.arguments.third.titleize))
+    end
+  end
+
+  private
+
+  def get_release_name(release_type)
+    release_type.constantize.model_name.plural
+  end
+end