feat: auto archive of units is optional

Use new environment variable to enable archive - false by default.

Author: macite

app/sidekiq/archive_old_units_job.rb

@@ -5,6 +5,8 @@ class ArchiveOldUnitsJob
   include Sidekiq::Job
 
   def perform
+    return unless Doubtfire::Application.config.archive_units
+
     archive_period = Doubtfire::Application.config.unit_archive_after_period
 
     archive_period = 1.year if archive_period < 1.year

config/application.rb

@@ -36,15 +36,18 @@ class Application < Rails::Application
     # Set using DF_ARCHIVE_DIR environment variable.
     config.archive_dir = ENV.fetch('DF_ARCHIVE_DIR', "#{config.student_work_dir}/archive")
 
+    # Allows for the archiving of units to be automated
+    config.archive_units = ENV['DF_ARCHIVE_UNITS'].present? && (ENV['DF_ARCHIVE_UNITS'].to_s.downcase == "true" || ENV['DF_ARCHIVE_UNITS'].to_i == 1)
+
+    # Period for which to keep units
+    config.unit_archive_after_period = ENV.fetch('DF_UNIT_ARCHIVE_PERIOD', 2).to_f * 1.year
+
     # Limit number of pdf generators to run at once
     config.pdfgen_max_processes = ENV['DF_MAX_PDF_GEN_PROCESSES'] || 2
 
     # Date range for auditors to view
     config.auditor_unit_access_years = ENV.fetch('DF_AUDITOR_UNIT_ACCESS_YEARS', 2).to_f * 1.year
 
-    # Period for which to keep units
-    config.unit_archive_after_period = ENV.fetch('DF_UNIT_ARCHIVE_PERIOD', 2).to_f * 1.year
-
     config.student_import_weeks_before = ENV.fetch('DF_IMPORT_STUDENTS_WEEKS_BEFPRE', 1).to_f * 1.week
 
     def self.fetch_boolean_env(name)

test/models/unit_model_test.rb

@@ -817,6 +817,7 @@ def test_change_unit_code_moves_files
   end
 
   def test_archive_unit
+    Doubtfire::Application.config.archive_units = true
     unit = FactoryBot.create :unit, student_count: 1, unenrolled_student_count: 0, inactive_student_count: 0, task_count: 1, tutorials: 1, outcome_count: 0, staff_count: 0, campus_count: 1
 
     td = unit.task_definitions.first
@@ -885,8 +886,17 @@ def test_archive_unit_job
 
     assert_not unit.archived
     assert_not unit2.archived
-    ArchiveOldUnitsJob.new.perform
+    job = ArchiveOldUnitsJob.new
+    job.perform
     unit.reload
+    unit2.reload
+
+    assert_not unit.archived
+    assert_not unit2.archived
+
+    Doubtfire::Application.config.archive_units = true
+
+    job.perform
 
     assert unit.archived
     assert_not unit2.archived