Sha256: 1952e747b43c4e6eee1d26f446ba4271bdee98269217f328b5ed128ef16831d5
Contents?: true
Size: 1.43 KB
Versions: 20
Compression:
Stored size: 1.43 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
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.status = #{Mumuki::Laboratory::Status::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_json!(json)
self.assign_attributes json.except('lessons', 'id', 'description', 'teacher_info')
self.description = json['description'].squeeze(' ')
rebuild! json['lessons'].map { |it| lesson_for(it) }
Organization.all.each { |org| org.reindex_usages! }
end
def as_chapter_of(book)
book.chapters.find_by(topic_id: id) || Chapter.new(topic: self, book: book)
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
20 entries across 20 versions & 1 rubygems