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78 lines
2.6 KiB
Ruby
78 lines
2.6 KiB
Ruby
class Answer < ApplicationRecord
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extend Answer::TimelineMethods
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attr_accessor :has_reacted, :is_subscribed
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belongs_to :user, counter_cache: :answered_count
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belongs_to :question, counter_cache: :answer_count
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has_many :comments, dependent: :destroy
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has_many :smiles, class_name: "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
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# This cop is disabled here because there already are questions with
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# multiple answers. Adding an index would break things database-side
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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) }
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scope :for_user, lambda { |current_user|
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next select("answers.*", "false as is_subscribed", "false as has_reacted") if current_user.nil?
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select("answers.*",
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"EXISTS(SELECT 1
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FROM subscriptions
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WHERE answer_id = answers.id
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AND user_id = #{current_user.id}) as is_subscribed",
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"EXISTS(SELECT 1
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FROM reactions
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WHERE parent_id = answers.id
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AND parent_type = 'Answer'
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AND user_id = #{current_user.id}) as has_reacted",
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)
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}
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SHORT_ANSWER_MAX_LENGTH = 640
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after_create do
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InboxEntry.where(user: self.user, question: self.question).destroy_all
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user.touch :inbox_updated_at # rubocop:disable Rails/SkipsModelValidations
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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
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Subscription.subscribe self.question.user, self unless self.question.author_is_anonymous
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end
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before_destroy do
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# 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|
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unless r.nil?
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r.deleted = true
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r.save
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end
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end
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self.smiles.each do |smile|
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Notification.denotify self.user, smile
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end
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self.comments.each do |comment|
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Subscription.denotify comment, self
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end
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Notification.denotify question&.user, self
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Subscription.destruct self
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end
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def notification_type(*_args)
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Notification::QuestionAnswered
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end
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def long? = content.length > SHORT_ANSWER_MAX_LENGTH
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def pinned? = pinned_at.present?
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def has_reacted = self.attributes["has_reacted"] || false
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def is_subscribed = self.attributes["is_subscribed"] || false
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end
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