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fec9d6e578
This PR fixes a bug where the newly created linked topic was being assigned "uncategorized" category. Now we'll assign linked topics the same category as that of parent topic. Meta reference: https://meta.discourse.org/t/linked-topics-splitting-and-managing-megatopics/168992/10?u=techapj
91 lines
3.7 KiB
Ruby
91 lines
3.7 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 = parent_title.delete_suffix(I18n.t("create_linked_topic.topic_title_with_sequence", topic_title: "", count: linked_topic_record.sequence))
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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 = I18n.t("create_linked_topic.topic_title_with_sequence", topic_title: parent_title, count: 1)
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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!(topic_id: parent_topic_id, original_topic_id: original_topic_id, sequence: 1)
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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.where(id: linked_topic_ids).order(:id).each do |topic|
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previous_topics += "- #{topic.url}\n"
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end
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# create new topic
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new_topic_title = I18n.t("create_linked_topic.topic_title_with_sequence", topic_title: raw_title, count: sequence)
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new_topic_raw = I18n.t('create_linked_topic.post_raw', parent_url: reference_post.full_url, previous_topics: previous_topics)
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system_user = Discourse.system_user
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@post_creator = 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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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!(topic_id: new_topic_id, original_topic_id: original_topic_id, sequence: sequence)
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# copy over topic tracking state from old topic
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params = {
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old_topic_id: parent_topic_id,
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new_topic_id: new_topic_id
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}
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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 = Post.where(topic_id: parent_topic_id, post_type: Post.types[:small_action], action_code: "closed.enabled").last
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if small_action_post.present?
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small_action_post.raw = "#{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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