126 lines
4.2 KiB
Ruby
126 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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module Jobs
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class CreateLinkedTopic < ::Jobs::Base
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def execute(args)
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reference_post = Post.find_by(id: args[:post_id])
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return unless reference_post.present?
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parent_topic = reference_post.topic
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return unless parent_topic.present? && parent_topic.regular?
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parent_topic_id = parent_topic.id
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parent_category_id = parent_topic.category_id
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parent_title = parent_topic.title
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@post_creator = nil
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ActiveRecord::Base.transaction do
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linked_topic_record = parent_topic.linked_topic
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if linked_topic_record.present?
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raw_title =
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parent_title.delete_suffix(
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I18n.t(
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"create_linked_topic.topic_title_with_sequence",
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topic_title: "",
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count: linked_topic_record.sequence,
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),
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)
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original_topic_id = linked_topic_record.original_topic_id
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sequence = linked_topic_record.sequence + 1
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else
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raw_title = parent_title
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# update parent topic title to append title_suffix_locale
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parent_title =
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I18n.t(
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"create_linked_topic.topic_title_with_sequence",
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topic_title: parent_title,
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count: 1,
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)
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parent_topic.title = parent_title
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parent_topic.save!
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# create linked topic record
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original_topic_id = parent_topic_id
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LinkedTopic.create!(
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topic_id: parent_topic_id,
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original_topic_id: original_topic_id,
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sequence: 1,
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)
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sequence = 2
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end
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# fetch previous topic titles
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previous_topics = ""
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linked_topic_ids = LinkedTopic.where(original_topic_id: original_topic_id).pluck(:topic_id)
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Topic
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.where(id: linked_topic_ids)
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.order(:id)
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.each { |topic| previous_topics += "- #{topic.url}\n" }
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# create new topic
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new_topic_title =
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I18n.t(
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"create_linked_topic.topic_title_with_sequence",
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topic_title: raw_title,
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count: sequence,
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)
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new_topic_raw =
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I18n.t(
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"create_linked_topic.post_raw",
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parent_url: reference_post.full_url,
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previous_topics: previous_topics,
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)
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system_user = Discourse.system_user
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@post_creator =
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PostCreator.new(
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system_user,
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title: new_topic_title,
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raw: new_topic_raw,
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category: parent_category_id,
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skip_validations: true,
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skip_jobs: true,
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)
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new_post = @post_creator.create
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new_topic = new_post.topic
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new_topic_id = new_topic.id
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# create linked_topic record
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LinkedTopic.create!(
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topic_id: new_topic_id,
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original_topic_id: original_topic_id,
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sequence: sequence,
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)
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# copy over topic tracking state from old topic
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params = { old_topic_id: parent_topic_id, new_topic_id: new_topic_id }
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DB.exec(<<~SQL, params)
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INSERT INTO topic_users(user_id, topic_id, notification_level,
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notifications_reason_id)
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SELECT tu.user_id,
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:new_topic_id AS topic_id,
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tu.notification_level,
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tu.notifications_reason_id
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FROM topic_users tu
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JOIN topics t ON (t.id = :new_topic_id)
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WHERE tu.topic_id = :old_topic_id
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AND tu.notification_level != 1
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ON CONFLICT (topic_id, user_id) DO NOTHING
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SQL
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# update small action post on old topic to add new topic link
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small_action_post =
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Post.where(
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topic_id: parent_topic_id,
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post_type: Post.types[:small_action],
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action_code: "closed.enabled",
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).last
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if small_action_post.present?
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small_action_post.raw =
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"#{small_action_post.raw} #{I18n.t("create_linked_topic.small_action_post_raw", new_title: "[#{new_topic_title}](#{new_topic.url})")}"
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small_action_post.save!
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end
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end
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@post_creator.enqueue_jobs if @post_creator
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end
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end
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end
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