models: remove old post version and pool version models.

app/models/post_version.rb

@@ -1,165 +0,0 @@
-class PostVersion < ApplicationRecord
-  belongs_to :post
-  belongs_to :updater, :class_name => "User"
-  before_validation :initialize_updater
-
-  module SearchMethods
-    def for_user(user_id)
-      where("updater_id = ?", user_id)
-    end
-
-    def updater_name(name)
-      where("updater_id = (select _.id from users _ where lower(_.name) = ?)", name.mb_chars.downcase)
-    end
-
-    def search(params)
-      q = super
-
-      if params[:updater_name].present?
-        q = q.updater_name(params[:updater_name])
-      end
-
-      if params[:updater_id].present?
-        q = q.where("updater_id = ?", params[:updater_id].to_i)
-      end
-
-      if params[:post_id].present?
-        q = q.where("post_id = ?", params[:post_id].to_i)
-      end
-
-      if params[:start_id].present?
-        q = q.where("id <= ?", params[:start_id].to_i)
-      end
-
-      q.apply_default_order(params)
-    end
-  end
-
-  extend SearchMethods
-
-  def self.create_from_post(post)
-    if post.created_at == post.updated_at
-      create_from_created_post(post)
-    else
-      create_from_updated_post(post)
-    end
-  end
-
-  def initialize_updater
-    self.updater_id = CurrentUser.id
-    self.updater_ip_addr = CurrentUser.ip_addr
-  end
-
-  def tag_array
-    @tag_array ||= tags.split
-  end
-
-  def reload
-    @tag_array = nil
-    super
-  end
-
-  def diff(version)
-    latest_tags = post.tag_array
-    latest_tags << "rating:#{post.rating}" if post.rating.present?
-    latest_tags << "parent:#{post.parent_id}" if post.parent_id.present?
-    latest_tags << "source:#{post.source}" if post.source.present?
-
-    new_tags = tag_array
-    new_tags << "rating:#{rating}" if rating.present?
-    new_tags << "parent:#{parent_id}" if parent_id.present?
-    new_tags << "source:#{source}" if source.present?
-
-    old_tags = version.present? ? version.tag_array : []
-    if version.present?
-      old_tags << "rating:#{version.rating}" if version.rating.present?
-      old_tags << "parent:#{version.parent_id}" if version.parent_id.present?
-      old_tags << "source:#{version.source}" if version.source.present?
-    end
-
-    added_tags = new_tags - old_tags
-    removed_tags = old_tags - new_tags
-
-    return {
-      :added_tags => added_tags,
-      :removed_tags => removed_tags,
-      :obsolete_added_tags => added_tags - latest_tags,
-      :obsolete_removed_tags => removed_tags & latest_tags,
-      :unchanged_tags => new_tags & old_tags
-    }
-  end
-
-  def changes
-    @changes ||= diff(previous)
-  end
-
-  def added_tags
-    changes[:added_tags].join(" ")
-  end
-
-  def removed_tags
-    changes[:removed_tags].join(" ")
-  end
-
-  def obsolete_added_tags
-    changes[:obsolete_added_tags].join(" ")
-  end
-
-  def obsolete_removed_tags
-    changes[:obsolete_removed_tags].join(" ")
-  end
-
-  def unchanged_tags
-    changes[:unchanged_tags].join(" ")
-  end
-
-  def previous
-    if updated_at.to_i == Time.zone.parse("2007-03-14T19:38:12Z").to_i
-      # Old post versions which didn't have updated_at set correctly
-      PostVersion.where("post_id = ? and updated_at = ? and id < ?", post_id, updated_at, id).order("updated_at desc, id desc").first
-    else
-      PostVersion.where("post_id = ? and updated_at < ?", post_id, updated_at).order("updated_at desc, id desc").first
-    end
-  end
-
-  def truncated_source
-    source.gsub(/^http:\/\//, "").sub(/\/.+/, "")
-  end
-
-  def undo
-    changes = diff(previous)
-    added = changes[:added_tags] - changes[:obsolete_added_tags]
-    removed = changes[:removed_tags] - changes[:obsolete_removed_tags]
-
-    added.each do |tag|
-      if tag =~ /^source:/
-        post.source = ""
-      elsif tag =~ /^parent:/
-        post.parent_id = nil
-      else
-        escaped_tag = Regexp.escape(tag)
-        post.tag_string = post.tag_string.sub(/(?:\A| )#{escaped_tag}(?:\Z| )/, " ").strip
-      end
-    end
-    removed.each do |tag|
-      if tag =~ /^source:(.+)$/
-        post.source = $1
-      else
-        post.tag_string = "#{post.tag_string} #{tag}".strip
-      end
-    end
-  end
-
-  def undo!
-    undo
-    post.save!
-  end
-
-  def updater_name
-    updater.name
-  end
-
-  def method_attributes
-    super + [:added_tags, :removed_tags, :obsolete_added_tags, :obsolete_removed_tags, :unchanged_tags, :updater_name]
-  end
-end