Retrospring/app/models/answer.rb

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class Answer < ApplicationRecord
extend Answer::TimelineMethods
belongs_to :user, counter_cache: :answered_count
belongs_to :question, counter_cache: :answer_count
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has_many :comments, dependent: :destroy
has_many :smiles, class_name: "Appendable::Reaction", foreign_key: :parent_id, dependent: :destroy
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has_many :subscriptions, dependent: :destroy
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has_many :comment_smiles, through: :comments, source: :smiles
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# rubocop:disable Rails/UniqueValidationWithoutIndex
# This cop is disabled here because there already are questions with
# multiple answers. Adding an index would break things database-side
validates :question_id, uniqueness: { scope: :user_id }
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# rubocop:enable Rails/UniqueValidationWithoutIndex
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scope :pinned, -> { where.not(pinned_at: nil) }
SHORT_ANSWER_MAX_LENGTH = 640
after_create do
Inbox.where(user: self.user, question: self.question).destroy_all
Notification.notify self.question.user, self unless self.question.user == self.user or self.question.user.nil?
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Subscription.subscribe self.user, self
Subscription.subscribe self.question.user, self unless self.question.author_is_anonymous
end
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before_destroy do
# mark a report as deleted if it exists
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rep = Report.where(target_id: self.id, type: 'Reports::Answer')
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rep.each do |r|
unless r.nil?
r.deleted = true
r.save
end
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end
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self.smiles.each do |smile|
Notification.denotify self.user, smile
end
self.comments.each do |comment|
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Subscription.denotify comment, self
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end
Notification.denotify question&.user, self
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Subscription.destruct self
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end
def notification_type(*_args)
Notification::QuestionAnswered
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end
def long? = content.length > SHORT_ANSWER_MAX_LENGTH
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def pinned? = pinned_at.present?
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end