Files
openfoodnetwork/app/controllers/admin/reports_controller.rb
Maikel Linke a177f4c066 Add feature to render reports in the background
This is supposed to lower the memory footprint of all Puma workers. The
reports code will occupy needed memory in one Sidekiq worker instead of
in several Puma processes.

The current code doesn't limit the execution time yet. We either need a
way to terminate the report rendering after a while or send an email
with a link to access a rendered report.
2023-01-18 23:12:26 +00:00

71 lines
1.7 KiB
Ruby

# frozen_string_literal: true
module Admin
class ReportsController < Spree::Admin::BaseController
include ReportsActions
helper ReportsHelper
before_action :authorize_report, only: [:show]
# Define model class for Can? permissions
def model_class
Admin::ReportsController
end
def index
@reports = reports.select do |report_type, _description|
can? report_type, :report
end
end
def show
@report = report_class.new(spree_current_user, params, render: render_data?)
if report_format.present?
export_report
else
show_report
end
end
private
def export_report
send_data render_report_as(report_format), filename: report_filename
end
def show_report
assign_view_data
render "show"
end
def assign_view_data
@report_type = report_type
@report_subtypes = report_subtypes
@report_subtype = report_subtype
@report_title = report_title
@rendering_options = rendering_options
@table = render_report_as(:html) if render_data?
@data = Reporting::FrontendData.new(spree_current_user)
end
def render_data?
request.post?
end
def render_report_as(format)
if OpenFoodNetwork::FeatureToggle.enabled?(:background_reports, spree_current_user)
job = ReportJob.perform_later(
report_class, spree_current_user, params, format
)
sleep 1 until job.done?
# This result has been rendered by Rails in safe mode already.
job.result.html_safe # rubocop:disable Rails/OutputSafety
else
@report.render_as(format)
end
end
end
end