Discuz.Web.Services/API/Actions/Topics.cs

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using System;
using System.Text;
using Discuz.Common;
using Newtonsoft.Json;
using Discuz.Entity;
using Discuz.Forum;
using Discuz.Config;
using Discuz.Common.Generic;

namespace Discuz.Web.Services.API.Actions
{
    public class Topics : ActionBase
    {
        /// <summary>
        /// 创建主题
        /// </summary>
        /// <returns></returns>
        public string Create()
        {
            if (Signature != GetParam("sig").ToString())
            {
                ErrorCode = (int)ErrorType.API_EC_SIGNATURE;
                return "";
            }

            //如果是桌面程序则需要验证用户身份
            if (this.App.ApplicationType == (int)ApplicationType.DESKTOP)
            {
                if (Uid < 1)
                {
                    ErrorCode = (int)ErrorType.API_EC_SESSIONKEY;
                    return "";
                }
            }

            if (CallId <= LastCallId)
            {
                ErrorCode = (int)ErrorType.API_EC_CALLID;
                return "";
            }

            if (!CheckRequiredParams("topic_info"))
            {
                ErrorCode = (int)ErrorType.API_EC_PARAM;
                return "";
            }

            Topic topic;
            try
            {
                topic = JavaScriptConvert.DeserializeObject<Topic>(GetParam("topic_info").ToString());
            }
            catch
            {
                ErrorCode = (int)ErrorType.API_EC_PARAM;
                return "";
            }

            if (topic == null || AreParamsNullOrZeroOrEmptyString(topic.UId, topic.Fid, topic.Title, topic.Message))//(topic == null || topic.UId == 0 || topic.Fid == 0 || topic.Title == null || topic.Message == null)
            {