135 lines
3.9 KiB
Ruby
135 lines
3.9 KiB
Ruby
require 'edit_rate_limiter'
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class PostRevisor
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attr_reader :category_changed
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def initialize(post)
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@post = post
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end
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# Recognized options:
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# :edit_reason User-supplied edit reason
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# :new_user New owner of the post
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# :revised_at changes the date of the revision
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# :force_new_version bypass ninja-edit window
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# :bypass_bump do not bump the topic, even if last post
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# :skip_validation ask ActiveRecord to skip validations
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#
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def revise!(editor, new_raw, opts = {})
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@editor = editor
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@opts = opts
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@new_raw = TextCleaner.normalize_whitespaces(new_raw).strip
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# TODO this is not in a transaction - dangerous!
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return false unless should_revise?
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@post.acting_user = @editor
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revise_post
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update_category_description
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update_topic_excerpt
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post_process_post
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update_topic_word_counts
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@post.advance_draft_sequence
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PostAlerter.new.after_save_post(@post)
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@post.publish_change_to_clients! :revised
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BadgeGranter.queue_badge_grant(Badge::Trigger::PostRevision, post: @post)
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true
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end
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private
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def should_revise?
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@post.raw != @new_raw || @opts[:changed_owner]
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end
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def revise_post
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if should_create_new_version?
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revise_and_create_new_version
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else
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update_post
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end
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end
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def get_revised_at
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@opts[:revised_at] || Time.now
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end
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def should_create_new_version?
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@post.last_editor_id != @editor.id ||
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get_revised_at - @post.last_version_at > SiteSetting.ninja_edit_window.to_i ||
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@opts[:changed_owner] == true ||
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@opts[:force_new_version] == true
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end
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def revise_and_create_new_version
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Post.transaction do
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@post.version += 1
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@post.last_version_at = get_revised_at
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update_post
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EditRateLimiter.new(@editor).performed! unless @opts[:bypass_rate_limiter] == true
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bump_topic unless @opts[:bypass_bump]
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end
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end
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def bump_topic
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unless Post.where('post_number > ? and topic_id = ?', @post.post_number, @post.topic_id).exists?
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@post.topic.update_column(:bumped_at, Time.now)
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TopicTrackingState.publish_latest(@post.topic)
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end
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end
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def update_topic_word_counts
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Topic.exec_sql("UPDATE topics SET word_count = (SELECT SUM(COALESCE(posts.word_count, 0))
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FROM posts WHERE posts.topic_id = :topic_id)
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WHERE topics.id = :topic_id", topic_id: @post.topic_id)
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end
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def update_post
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@post.raw = @new_raw
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@post.word_count = @new_raw.scan(/\w+/).size
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@post.last_editor_id = @editor.id
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@post.edit_reason = @opts[:edit_reason] if @opts[:edit_reason]
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@post.user_id = @opts[:new_user].id if @opts[:new_user]
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@post.self_edits += 1 if @editor == @post.user
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if @editor == @post.user && @post.hidden && @post.hidden_reason_id == Post.hidden_reasons[:flag_threshold_reached]
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PostAction.clear_flags!(@post, Discourse.system_user)
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@post.unhide!
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end
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@post.extract_quoted_post_numbers
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@post.save(validate: !@opts[:skip_validations])
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@post.save_reply_relationships
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end
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def update_category_description
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# If we're revising the first post, we might have to update the category description
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return unless @post.post_number == 1
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# Is there a category with our topic id?
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category = Category.find_by(topic_id: @post.topic_id)
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return unless category.present?
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# If found, update its description
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body = @post.cooked
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matches = body.scan(/\<p\>(.*)\<\/p\>/)
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if matches && matches[0] && matches[0][0]
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new_description = matches[0][0]
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new_description = nil if new_description == I18n.t("category.replace_paragraph")
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category.update_column(:description, new_description)
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@category_changed = category
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end
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end
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def update_topic_excerpt
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@post.topic.update_column(:excerpt, @post.excerpt(220, strip_links: true)) if @post.post_number == 1
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end
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def post_process_post
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@post.invalidate_oneboxes = true
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@post.trigger_post_process
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end
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end
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