Class: Guide

Inherits:
Content show all
Includes:
WithExpectations, WithLanguage, WithStats
Defined in:
app/models/guide.rb

Instance Method Summary collapse

Methods included from WithStats

#started?, #stats_for

Methods included from WithExpectations

#expectations, #expectations=, #expectations_yaml, #expectations_yaml=

Methods included from WithUsages

#usage_in_organization, #usage_in_organization_of_type

Methods included from WithSlug

#import!, #slug_parts

Methods included from WithDescription

#description_teaser

Methods inherited from ApplicationRecord

aggregate_of, all_except, defaults, name_model_as, numbered, #save, #save_and_notify!, #save_and_notify_changes!, #update_and_notify!, update_or_create!

Instance Method Details

#as_complement_of(book) ⇒ Object

FIXME duplication



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# File 'app/models/guide.rb', line 83

def as_complement_of(book) #FIXME duplication
  book.complements.find_by(guide_id: id) || Complement.new(guide: self, book: book)
end

#as_lesson_of(topic) ⇒ Object 



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# File 'app/models/guide.rb', line 79

def as_lesson_of(topic)
  topic.lessons.find_by(guide_id: id) || Lesson.new(guide: self, topic: topic)
end

#chapter ⇒ Object 



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# File 'app/models/guide.rb', line 27

def chapter
  lesson.try(:chapter) #FIXME temporary
end

#clear_progress!(user) ⇒ Object 



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# File 'app/models/guide.rb', line 15

def clear_progress!(user)
  transaction do
    exercises.each do |exercise|
      exercise.assignment_for(user)&.destroy!
    end
  end
end

#done_for?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/guide.rb', line 56

def done_for?(user)
  stats_for(user).done?
end

#exercises_count ⇒ Object 



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# File 'app/models/guide.rb', line 31

def exercises_count
  exercises.count
end

#first_exercise ⇒ Object 



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# File 'app/models/guide.rb', line 48

def first_exercise
  exercises.first
end

#import_from_json!(json) ⇒ Object 



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# File 'app/models/guide.rb', line 60

def import_from_json!(json)
  self.assign_attributes json.except('exercises', 'language', 'id_format', 'id', 'teacher_info', 'collaborators')
  self.language = Language.for_name(json['language'])
  self.save!

  json['exercises'].each_with_index do |e, i|
    exercise = Exercise.find_by(guide_id: self.id, bibliotheca_id: e['id'])

    exercise = exercise ?
        exercise.ensure_type!(e['type']) :
        Exercise.class_for(e['type']).new(guide_id: self.id, bibliotheca_id: e['id'])

    exercise.import_from_json! (i+1), e
  end

  self.exercises.where('number > ?', json['exercises'].size).destroy_all
  reload
end

#lesson ⇒ Object 



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# File 'app/models/guide.rb', line 23

def lesson
  usage_in_organization_of_type Lesson
end

#next_exercise(user) ⇒ Object 



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# File 'app/models/guide.rb', line 44

def next_exercise(user)
  pending_exercises(user).order('public.exercises.number asc').first
end

#pending_exercises(user) ⇒ Object 



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# File 'app/models/guide.rb', line 35

def pending_exercises(user)
  exercises.
      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')
end

#search_tags ⇒ Object 



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# File 'app/models/guide.rb', line 52

def search_tags
  exercises.flat_map(&:search_tags).uniq
end