Method getChatMessage

src/node/db/Pad.ts:553–559

* @param {number} entryNum - ID of the desired chat message. * @returns {?ChatMessage}

(entryNum: number)

   * @returns {?ChatMessage}
   */
  async getChatMessage(entryNum: number) {
    const entry = await this.db.get(`pad:${this.id}:chat:${entryNum}`);
    if (entry == null) return null;
    const message = ChatMessage.fromObject(entry as ChatMessage);
    message.displayName = await authorManager.getAuthorName(message.authorId);
    return message;
  }

  /**
   * @param {number} start - ID of the first desired chat message.