Sha256: 31f7d7b98c024ac3d9414820b5883e8e39fe2219992b1402b1226d067718fe65
Contents?: true
Size: 1.9 KB
Versions: 35
Compression:
Stored size: 1.9 KB
Contents
class Topic < Content
numbered :lessons
aggregate_of :lessons
has_many :lessons, -> { order(number: :asc) }, dependent: :delete_all
has_many :guides, -> { order('lessons.number') }, through: :lessons
has_many :exercises, -> { order('exercises.number') }, through: :guides
markdown_on :appendix
alias_method :structural_children, :lessons
def first_lesson
lessons.first
end
def import_from_resource_h!(resource_h)
dirty_progress_if_structural_children_changed! do
self.assign_attributes resource_h.except(:lessons, :description)
self.description = resource_h[:description].squeeze(' ')
rebuild_lessons! resource_h[:lessons].to_a.map { |it| lesson_for(it) }
end
end
def to_expanded_resource_h
super.merge(appendix: appendix, lessons: lessons.map(&:slug))
end
def as_chapter_of(book)
book.chapters.find_by(topic_id: id) || Chapter.new(topic: self, book: book)
end
def reindex_usages!
Chapter.where(topic: self).map(&:book).each(&:reindex_usages!)
end
## Forking
def fork_children_into!(dup, organization, syncer)
dup.lessons = lessons.map { |lesson| lesson.guide.fork_to!(organization, syncer, quiet: true).as_lesson_of(dup) }
end
def pending_lessons(user)
guides.
joins('left join public.exercises exercises
on exercises.guide_id = guides.id').
joins("left join public.assignments assignments
on assignments.exercise_id = exercises.id
and assignments.submitter_id = #{user.id}
and assignments.submission_status = #{Mumuki::Domain::Status::Submission::Passed.to_i}").
where('assignments.id is null').
group('public.guides.id', 'lessons.number').map(&:lesson)
end
private
def lesson_for(slug)
Guide.find_by!(slug: slug).as_lesson_of(self)
rescue ActiveRecord::RecordNotFound
raise "Guide for slug #{slug} could not be found"
end
end
Version data entries
35 entries across 35 versions & 2 rubygems