128 lines
3.1 KiB
Ruby
128 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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require 'mimemagic'
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module ProformaService
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class ConvertExerciseToTask < ServiceBase
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DEFAULT_LANGUAGE = 'de'
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def initialize(exercise: nil)
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super()
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@exercise = exercise
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end
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def execute
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create_task
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end
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private
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def create_task
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Proforma::Task.new(
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{
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title: @exercise.title,
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description: @exercise.description,
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internal_description: @exercise.instructions,
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files: task_files,
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tests: tests,
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uuid: uuid,
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language: DEFAULT_LANGUAGE,
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model_solutions: model_solutions,
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}.compact
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)
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end
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def uuid
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@exercise.update(uuid: SecureRandom.uuid) if @exercise.uuid.nil?
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@exercise.uuid
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end
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def model_solutions
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@exercise.files.filter {|file| file.role == 'reference_implementation' }.map do |file|
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Proforma::ModelSolution.new(
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id: "ms-#{file.id}",
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files: model_solution_file(file)
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)
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end
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end
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def model_solution_file(file)
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[
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task_file(file).tap do |ms_file|
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ms_file.used_by_grader = false
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ms_file.usage_by_lms = 'display'
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end,
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]
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end
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def tests
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@exercise.files.filter do |file|
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file.role == 'teacher_defined_test' || file.role == 'teacher_defined_linter'
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end.map do |file|
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Proforma::Test.new(
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id: file.id,
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title: file.name,
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files: test_file(file),
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meta_data: {
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'feedback-message' => file.feedback_message,
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}.compact
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)
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end
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end
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def test_file(file)
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[
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task_file(file).tap do |t_file|
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t_file.used_by_grader = true
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t_file.internal_description = 'teacher_defined_test'
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end,
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]
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end
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def task_files
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@exercise.files
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.filter do |file|
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!file.role.in? %w[reference_implementation teacher_defined_test
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teacher_defined_linter]
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end.map do |file|
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task_file(file)
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end
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end
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def task_file(file)
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task_file = Proforma::TaskFile.new(
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id: file.id,
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filename: filename(file),
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usage_by_lms: file.read_only ? 'display' : 'edit',
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visible: file.hidden ? 'no' : 'yes',
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internal_description: file.role || 'regular_file'
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)
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add_content_to_task_file(file, task_file)
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task_file
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end
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def filename(file)
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if file.path.present? && file.path != '.'
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::File.join(file.path,
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file.name_with_extension)
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else
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file.name_with_extension
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end
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end
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def add_content_to_task_file(file, task_file)
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if file.native_file.present?
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file = ::File.new(file.native_file.file.path, 'r')
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task_file.content = file.read
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task_file.used_by_grader = false
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task_file.binary = true
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task_file.mimetype = MimeMagic.by_magic(file).type
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else
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task_file.content = file.content
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task_file.used_by_grader = true
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task_file.binary = false
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end
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end
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end
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end
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