assignments.rb

module Assignments
  # This code lives in a module that we use to namespace our application as part of domain-driven design. You might call this an aggregate root.
  def self.update_assignment(assignment_id, title:, description:, collaborator_ids:, assignee_ids:, tasks:, due_in:, due_in_units:)
    assignment = Assignment
      .includes(tasks: :rubric_items)
      .find(assignment_id)
    
    assignment.update(
      title: title,
      description: description,
      due_in: due_in,
      due_in_units: due_in_units
    )
    
    assignment.set_tasks_from_list(tasks)
    assignment.set_collaborators_from_list(collaborator_ids)
    assignment.assign(assignee_ids)
    assignment.save

    PublishableAssignmentValidation.new(assignment).validate
    AssignmentManagementView.render_assignment_details(assignment)
  end
end