Discourse Retort

插件
468

我的 Script framework to rearrange topics and categories 有了一个新功能，它不仅仅是重新排列主题和分类！

我通常会提醒大家，我不会 Ruby 或 Ruby on Rails，所以我的代码是特有的，而不是惯用的。但到目前为止，在我的测试中它似乎是有效的！

  def migrateRetortToReactions(allowed:, likes: nil, emojimap: nil)
    # 尽可能迁移，不覆盖任何现有的点赞
    # 这是一个必然会丢失信息的转换，并且仅通过 PostDetail 的顺序保持一致
    # 不会尝试优先选择一个 PostDetail 记录而不是另一个
    emojimap = {} if emojimap.nil?
    allowed.each do |a|
      emojimap[a] = a
    end
    retort = "retort".freeze
    emojiType = "emoji".freeze
    usermap = Hash.new { |hash, username| hash[username] = User.find_by_username(username) }
    postmap = Hash.new { |hash, post_id| hash[post_id] = Post.find(post_id) }
    likeType = PostActionType.where(name_key: "like").pluck(:id).first

    PostDetail.where(extra: retort).each do |pd|
      begin
        p = postmap[pd.post_id]
      rescue
        # PostDetail 与删除不一致
        $stderr.puts sprintf("Could not find post for %d: %s / %s", pd.post_id, pd.key, pd.value)
        next
      end
      emoji = pd.key.split('|').first
      users = JSON.parse(pd.value)
      users.each do |user|
        u = usermap[user]
        next if u.nil? # 用户名已更改或已删除用户会留下孤立的 Retorts
        if likes.include?(emoji)
          pa = PostAction.where(post_id: p.id, user_id: u.id, post_action_type_id: likeType).first
          next unless pa.nil?
          $stderr.puts sprintf("Adding like for Retort %s for user %s in %s", emoji, user, p.url)
          PostActionCreator.create(u, p, :like, created_at: pd.created_at, silent: true)
        elsif emojimap.has_key?(emoji)
          e = emojimap[emoji]
          r = DiscourseReactions::Reaction.where(post_id: p.id, reaction_type: emojiType, reaction_value: e).first_or_create
          ru = DiscourseReactions::ReactionUser.where(user_id: u.id, post_id: p.id).first
          next unless ru.nil?
          $stderr.puts sprintf("Converting Retort %s to Reaction %s for user %s in %s", emoji, e, user, p.url)
          DiscourseReactions::ReactionUser.create(reaction_id: r.id, user_id: u.id, post_id: p.id, created_at: pd.created_at)
        else
          $stderr.puts sprintf("Ignoring unmapped Retort %s for user %s in %s", emoji, user, p.url)
        end
      end
    end
  end

我使用我构建的框架提供了一个看起来像这样的 YAML 配置：

- migrateRetortToReactions:
    allowed:
      - rofl
      - astonished
      - crossed_fingers
      - sob
      - thinking
      - grimacing
      - frowning_face
      - drum
    likes:
      - dart
      - +1
      - joy
      - "100"
      - brain
      - heart
      - heart_eyes
      - hearts
    emojimap:
      rage: sob
      four_leaf_clover: crossed_fingers
      cry: sob
      open_mouth: astonished
      scream: frowning_face

不过，你也可以将它包装在一个 Ruby 脚本中，包括将那些参数变成字面上的 Ruby 代码，将其放入 script/ 目录，然后运行它。

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