Sha256: 7aa27a1d049a18c3f70dc2ad105836f930bfac2f5d148017ad431896d5daff0f
Contents?: true
Size: 1.88 KB
Versions: 6
Compression:
Stored size: 1.88 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
after_save :reindex_usages!
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
def first_lesson
lessons.first
end
def import_from_resource_h!(resource_h)
self.assign_attributes resource_h.except(:lessons, :description)
self.description = resource_h[:description].squeeze(' ')
rebuild! resource_h[:lessons].to_a.map { |it| lesson_for(it) }
end
def to_resource_h
super.merge(appendix: appendix, lessons: lessons.map(&:slug)).compact
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_to!(organization, syncer)
rebased_dup(organization).tap do |dup|
dup.lessons = lessons.map { |lesson| lesson.guide.fork_to!(organization, syncer).as_lesson_of(self) }
dup.save!
syncer.export! dup
end
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
6 entries across 6 versions & 1 rubygems