Class: Discussion

Inherits:
ApplicationRecord show all
Includes:
Contextualization, ParentNavigation, WithDiscussionStatus, WithScopedQueries
Defined in:
app/models/discussion.rb

Constant Summary

Constants included from WithScopedQueries

WithScopedQueries::SCOPING_METHODS

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ParentNavigation

#leave, #navigable_name, #navigable_parent, #navigation_end?

Methods included from Contextualization

#expectation_results_visible?, #failed_expectation_results, #feedback_html, #humanized_expectation_results, #queries_with_results, #result_html, #result_preview, #results_visible?, #single_visual_result?, #single_visual_result_html, #visible_expectation_results

Methods inherited from ApplicationRecord

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

Class Method Details

.debatable_for(klazz, params) ⇒ Object 



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# File 'app/models/discussion.rb', line 132

def self.debatable_for(klazz, params)
  debatable_id = params[:"#{klazz.underscore}_id"]
  klazz.constantize.find(debatable_id)
end

Instance Method Details

#allowed_statuses_for(user) ⇒ Object 



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# File 'app/models/discussion.rb', line 106

def allowed_statuses_for(user)
  status.allowed_statuses_for(user, self)
end

#authorized?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 89

def authorized?(user)
  initiator?(user) || user.try(:moderator?)
end

#capitalize_title ⇒ Object 



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# File 'app/models/discussion.rb', line 39

def capitalize_title
  title.capitalize!
end

#commentable_by?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 47

def commentable_by?(user)
  user&.moderator? || (opened? && user.present?)
end

#extra_preview_html ⇒ Object 



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# File 'app/models/discussion.rb', line 126

def extra_preview_html
  # FIXME this is buggy, because the extra
  # may have changed since the submission of this discussion
  exercise.assignment_for(initiator).extra_preview_html
end

#friendly ⇒ Object 



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# File 'app/models/discussion.rb', line 67

def friendly
  title
end

#has_messages? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 114

def has_messages?
  messages.exists? || description.present?
end

#has_responses? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 122

def has_responses?
  responses_count > 0
end

#has_submission? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 55

def has_submission?
  submission.solution.present?
end

#initiator?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 93

def initiator?(user)
  user.try(:uid) == initiator.uid
end

#last_message_date ⇒ Object 



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# File 'app/models/discussion.rb', line 63

def last_message_date
  messages.last&.created_at || created_at
end

#reachable_status_for?(user, status) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 102

def reachable_status_for?(user, status)
  reachable_statuses_for(user).include? status
end

#reachable_statuses_for(user) ⇒ Object 



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# File 'app/models/discussion.rb', line 97

def reachable_statuses_for(user)
  return [] unless authorized?(user)
  status.reachable_statuses_for(user, self)
end

#read_by?(user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 59

def read_by?(user)
  subscription_for(user).read
end

#responses_count ⇒ Object 



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# File 'app/models/discussion.rb', line 118

def responses_count
  messages.where.not(sender: initiator.uid).count
end

#submit_message!(message, user) ⇒ Object 



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

def submit_message!(message, user)
  message.merge!(sender: user.uid)
  messages.create(message)
  unread_subscriptions(user)
end

#subscribable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 51

def subscribable?
  opened? || solved?
end

#subscription_for(user) ⇒ Object 



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# File 'app/models/discussion.rb', line 71

def subscription_for(user)
  subscriptions.find_by(user: user)
end

#try_solve! ⇒ Object 



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# File 'app/models/discussion.rb', line 33

def try_solve!
  if opened?
    update! status: reachable_statuses_for(initiator).first
  end
end

#unread_subscriptions(user) ⇒ Object 



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

def unread_subscriptions(user)
  subscriptions.where.not(user: user).map(&:unread!)
end

#update_status!(status, user) ⇒ Object 



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# File 'app/models/discussion.rb', line 110

def update_status!(status, user)
  update!(status: status) if reachable_status_for?(user, status)
end

#upvote_for(user) ⇒ Object 



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# File 'app/models/discussion.rb', line 75

def upvote_for(user)
  upvotes.find_by(user: user)
end

#used_in?(organization) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/discussion.rb', line 43

def used_in?(organization)
  item.used_in?(organization)
end