# frozen_string_literal: true class ChatMessage < ActiveRecord::Base include Trashable attribute :has_oneboxes, default: false BAKED_VERSION = 2 belongs_to :chat_channel belongs_to :user belongs_to :in_reply_to, class_name: "ChatMessage" belongs_to :last_editor, class_name: "User" has_many :replies, class_name: "ChatMessage", foreign_key: "in_reply_to_id", dependent: :nullify has_many :revisions, class_name: "ChatMessageRevision", dependent: :destroy has_many :reactions, class_name: "ChatMessageReaction", dependent: :destroy has_many :bookmarks, as: :bookmarkable, dependent: :destroy has_many :chat_uploads, dependent: :destroy has_many :uploads, through: :chat_uploads has_one :chat_webhook_event, dependent: :destroy has_one :chat_mention, dependent: :destroy scope :in_public_channel, -> { joins(:chat_channel).where( chat_channel: { chatable_type: ChatChannel.public_channel_chatable_types, }, ) } scope :in_dm_channel, -> { joins(:chat_channel).where(chat_channel: { chatable_type: "DirectMessage" }) } scope :created_before, ->(date) { where("chat_messages.created_at < ?", date) } before_save { self.last_editor_id ||= self.user_id } def validate_message(has_uploads:) WatchedWordsValidator.new(attributes: [:message]).validate(self) Chat::DuplicateMessageValidator.new(self).validate if !has_uploads && message_too_short? self.errors.add( :base, I18n.t( "chat.errors.minimum_length_not_met", minimum: SiteSetting.chat_minimum_message_length, ), ) end end def attach_uploads(uploads) return if uploads.blank? now = Time.now record_attrs = uploads.map do |upload| { upload_id: upload.id, chat_message_id: self.id, created_at: now, updated_at: now } end ChatUpload.insert_all!(record_attrs) end def excerpt # just show the URL if the whole message is a URL, because we cannot excerpt oneboxes return message if UrlHelper.relaxed_parse(message).is_a?(URI) # upload-only messages are better represented as the filename return uploads.first.original_filename if cooked.blank? && uploads.present? # this may return blank for some complex things like quotes, that is acceptable PrettyText.excerpt(cooked, 50, {}) end def cooked_for_excerpt (cooked.blank? && uploads.present?) ? "

#{uploads.first.original_filename}

" : cooked end def push_notification_excerpt Emoji.gsub_emoji_to_unicode(message).truncate(400) end def to_markdown markdown = [] if self.message.present? msg = self.message self.chat_uploads.any? ? markdown << msg + "\n" : markdown << msg end self .chat_uploads .order(:created_at) .each { |chat_upload| markdown << UploadMarkdown.new(chat_upload.upload).to_markdown } markdown.reject(&:empty?).join("\n") end def cook self.cooked = self.class.cook(self.message) self.cooked_version = BAKED_VERSION end def rebake!(invalidate_oneboxes: false, priority: nil) previous_cooked = self.cooked new_cooked = self.class.cook(message, invalidate_oneboxes: invalidate_oneboxes) update_columns(cooked: new_cooked, cooked_version: BAKED_VERSION) args = { chat_message_id: self.id } args[:queue] = priority.to_s if priority && priority != :normal args[:is_dirty] = true if previous_cooked != new_cooked Jobs.enqueue(:process_chat_message, args) end def self.uncooked where("cooked_version <> ? or cooked_version IS NULL", BAKED_VERSION) end MARKDOWN_FEATURES = %w[ anchor bbcode-block bbcode-inline code category-hashtag censored chat-transcript discourse-local-dates emoji emojiShortcuts inlineEmoji html-img mentions unicodeUsernames onebox quotes spoiler-alert table text-post-process upload-protocol watched-words ] MARKDOWN_IT_RULES = %w[ autolink list backticks newline code fence image table linkify link strikethrough blockquote emphasis ] def self.cook(message, opts = {}) cooked = PrettyText.cook( message, features_override: MARKDOWN_FEATURES + DiscoursePluginRegistry.chat_markdown_features.to_a, markdown_it_rules: MARKDOWN_IT_RULES, force_quote_link: true, ) result = Oneboxer.apply(cooked) do |url| if opts[:invalidate_oneboxes] Oneboxer.invalidate(url) InlineOneboxer.invalidate(url) end onebox = Oneboxer.cached_onebox(url) onebox end cooked = result.to_html if result.changed? cooked end def full_url "#{Discourse.base_url}#{url}" end def url "/chat/message/#{self.id}" end private def message_too_short? message.length < SiteSetting.chat_minimum_message_length end end # == Schema Information # # Table name: chat_messages # # id :bigint not null, primary key # chat_channel_id :integer not null # user_id :integer # created_at :datetime not null # updated_at :datetime not null # deleted_at :datetime # deleted_by_id :integer # in_reply_to_id :integer # message :text # cooked :text # cooked_version :integer # last_editor_id :integer not null # # Indexes # # idx_chat_messages_by_created_at_not_deleted (created_at) WHERE (deleted_at IS NULL) # index_chat_messages_on_chat_channel_id_and_created_at (chat_channel_id,created_at) # index_chat_messages_on_last_editor_id (last_editor_id) #