db: copy user-related ids to the respective models

lib/tasks/deployment/20220310115522_copy_user_association_to_user_related_models.rake

@@ -0,0 +1,32 @@
+namespace :after_party do
+  desc 'Deployment task: copy user id to administrateurs.user_id, instructeurs.user_id and experts.user_id'
+  task copy_user_association_to_user_related_models: :environment do
+    rake_puts "Running deploy task 'copy_user_association_to_user_related_models'"
+
+    copy_user_id_to(Administrateur)
+    copy_user_id_to(Instructeur)
+    copy_user_id_to(Expert)
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+
+  def copy_user_id_to(model)
+    table_name = model.table_name
+    rake_print "Copying user.#{table_name.singularize}_id to #{table_name}.user_id"
+
+    records_to_update = model.where(user_id: nil)
+    progress = ProgressReport.new(records_to_update.count)
+
+    records_to_update.where(user_id: nil).in_batches do |relation|
+      count = relation.update_all("user_id = (SELECT id FROM users WHERE #{table_name}.id = users.#{table_name.singularize}_id)")
+      progress.inc(count)
+      sleep(0.01) # throttle
+    end
+
+    progress.finish
+    rake_puts
+  end
+end

lib/tasks/task_helper.rb

@@ -33,8 +33,8 @@ class ProgressReport
     set_progress(total: total, count: 0)
   end
 
-  def inc
-    set_progress(count: @count + 1)
+  def inc(amount = 1)
+    set_progress(count: @count + amount)
     if @per_10_000 % 10 == 0
       print_progress
     end