require 'edit_rate_limiter' class PostRevisor attr_reader :category_changed def initialize(post) @post = post end def revise!(user, new_raw, opts = {}) @user, @new_raw, @opts = user, new_raw, opts return false if not should_revise? @post.acting_user = @user @post.updated_by = @user revise_post update_category_description post_process_post update_topic_word_counts @post.advance_draft_sequence true end private def should_revise? @post.raw != @new_raw end def revise_post if should_create_new_version? revise_and_create_new_version else revise_without_creating_a_new_version end end def get_revised_at @opts[:revised_at] || Time.now end def should_create_new_version? @post.last_editor_id != @user.id || get_revised_at - @post.last_version_at > SiteSetting.ninja_edit_window.to_i || @opts[:force_new_version] == true end def revise_and_create_new_version Post.transaction do @post.cached_version = @post.version + 1 @post.last_version_at = get_revised_at update_post EditRateLimiter.new(@post.user).performed! unless @opts[:bypass_rate_limiter] == true bump_topic unless @opts[:bypass_bump] end end def revise_without_creating_a_new_version @post.skip_version do update_post end end def bump_topic unless Post.where('post_number > ? and topic_id = ?', @post.post_number, @post.topic_id).exists? @post.topic.update_column(:bumped_at, Time.now) end end def update_topic_word_counts Topic.exec_sql("UPDATE topics SET word_count = (SELECT SUM(COALESCE(posts.word_count, 0)) FROM posts WHERE posts.topic_id = :topic_id) WHERE topics.id = :topic_id", topic_id: @post.topic_id) end def update_post @post.raw = @new_raw @post.word_count = @new_raw.scan(/\w+/).size @post.updated_by = @user @post.last_editor_id = @user.id @post.edit_reason = @opts[:edit_reason] if @opts[:edit_reason] if @post.hidden && @post.hidden_reason_id == Post.hidden_reasons[:flag_threshold_reached] @post.hidden = false @post.hidden_reason_id = nil @post.topic.update_attributes(visible: true) PostAction.clear_flags!(@post, -1) end @post.extract_quoted_post_numbers @post.save @post.save_reply_relationships end def update_category_description # If we're revising the first post, we might have to update the category description return unless @post.post_number == 1 # Is there a category with our topic id? category = Category.where(topic_id: @post.topic_id).first return unless category.present? # If found, update its description body = @post.cooked matches = body.scan(/\(.*)\<\/p\>/) if matches && matches[0] && matches[0][0] new_description = matches[0][0] new_description = nil if new_description == I18n.t("category.replace_paragraph") category.update_column(:description, new_description) @category_changed = category end end def post_process_post @post.invalidate_oneboxes = true @post.trigger_post_process end end