Class: PostActionNotifier

Inherits:
Object
  • Object
show all
Defined in:
app/services/post_action_notifier.rb

Class Method Summary collapse

Class Method Details

.add_post_revision_notifier_recipients(&block) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 156

def self.add_post_revision_notifier_recipients(&block)
  custom_post_revision_notifier_recipients << block
end

.after_create_post_revision(post_revision) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 99

def self.after_create_post_revision(post_revision)
  return if @disabled

  post = post_revision.post

  return unless post
  return if post_revision.user.blank?
  return if post.topic.blank?
  return if post.topic.private_message?
  return if notification_is_disabled?(post_revision)

  user_ids = []

  user_ids << post.user_id if post_revision.user_id != post.user_id

  # Notify all users watching the topic when the OP of a wiki topic is edited
  # or if the topic category allows unlimited owner edits on the OP.
  if post.is_first_post? &&
       (post.wiki? || post.topic.category_allows_unlimited_owner_edits_on_first_post?)
    user_ids.concat(
      TopicUser
        .watching(post.topic_id)
        .where.not(user_id: post_revision.user_id)
        .where(topic: post.topic)
        .pluck(:user_id),
    )
  end

  custom_post_revision_notifier_recipients.each do |block|
    user_ids.concat(Array(block.call(post_revision)))
  end

  if user_ids.present?
    DB.after_commit do
      Jobs.enqueue(:notify_post_revision, user_ids: user_ids, post_revision_id: post_revision.id)
    end
  end
end

.after_post_unhide(post, flaggers) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 138

def self.after_post_unhide(post, flaggers)
  return if @disabled || post.last_editor.blank? || flaggers.blank?

  flaggers.each do |flagger|
    alerter.create_notification(
      flagger,
      Notification.types[:edited],
      post,
      display_username: post.last_editor.username,
      acting_user_id: post.last_editor.id,
    )
  end
end

.alerter ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 17

def self.alerter
  @alerter ||= PostAlerter.new
end

.custom_post_revision_notifier_recipients ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 152

def self.custom_post_revision_notifier_recipients
  @custom_post_revision_notifier_recipients ||= Set.new
end

.disable ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 4

def self.disable
  @disabled = true
end

.enable ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 8

def self.enable
  @disabled = false
end

.post_action_created(post_action) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 80

def self.post_action_created(post_action)
  return if @disabled

  # We only notify on likes for now
  return unless post_action.is_like?

  post = post_action.post
  return if post_action.user.blank? || post.blank?

  alerter.create_notification(
    post.user,
    Notification.types[:liked],
    post,
    display_username: post_action.user.username,
    post_action_id: post_action.id,
    user_id: post_action.user_id,
  )
end

.post_action_deleted(post_action) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 52

def self.post_action_deleted(post_action)
  return if @disabled

  # We only care about deleting post actions for now
  return if post_action.deleted_at.blank?

  if post_action.post_action_type_id == PostActionType.types[:like] && post_action.post
    read = true

    Notification
      .where(
        topic_id: post_action.post.topic_id,
        user_id: post_action.post.user_id,
        post_number: post_action.post.post_number,
        notification_type: Notification.types[:liked],
      )
      .each do |notification|
        read = false unless notification.read
        notification.destroy
      end

    refresh_like_notification(post_action.post, read)
  else
    # not using destroy_all cause we want stuff to trigger
    Notification.where(post_action_id: post_action.id).each(&:destroy)
  end
end

.refresh_like_notification(post, read) ⇒ Object 



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# File 'app/services/post_action_notifier.rb', line 21

def self.refresh_like_notification(post, read)
  return unless post && post.user_id && post.topic

  usernames =
    post
      .post_actions
      .where(post_action_type_id: PostActionType.types[:like])
      .joins(:user)
      .order("post_actions.created_at desc")
      .where("post_actions.created_at > ?", 1.day.ago)
      .pluck(:username)

  if usernames.length > 0
    data = {
      topic_title: post.topic.title,
      username: usernames[0],
      display_username: usernames[0],
      username2: usernames[1],
      count: usernames.length,
    }
    Notification.create(
      notification_type: Notification.types[:liked],
      topic_id: post.topic_id,
      post_number: post.post_number,
      user_id: post.user_id,
      read: read,
      data: data.to_json,
    )
  end
end

.reset! ⇒ Object

For testing purposes



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# File 'app/services/post_action_notifier.rb', line 13

def self.reset!
  @custom_post_revision_notifier_recipients = nil
end