Backup/Discuz.Data/DataProvider/Polls.cs

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using System;
using System.Text;
using System.Data;

using Discuz.Entity;
using Discuz.Common;
using Discuz.Common.Generic;

namespace Discuz.Data
{
    public class Polls
    {
        /// <summary>
        /// 创建一个投票
        /// </summary>
        /// <param name="pollinfo">投票信息</param>
        /// <returns></returns>
        public static int CreatePoll(PollInfo pollinfo)
        {
            return DatabaseProvider.GetInstance().CreatePoll(pollinfo);
        }

        /// <summary>
        /// 创建投票项
        /// </summary>
        /// <param name="polloptioninfocoll">投票项</param>
        /// <returns></returns>
        public static void CreatePollOption(PollOptionInfo polloptioninfo)
        {
            DatabaseProvider.GetInstance().CreatePollOption(polloptioninfo);
        }

        /// <summary>
        /// 更新投票
        /// </summary>
        /// <param name="pollinfo">更新投票</param>
        /// <returns></returns>
        public static bool UpdatePoll(PollInfo pollinfo)
        {
            return DatabaseProvider.GetInstance().UpdatePoll(pollinfo);
        }

        /// <summary>
        /// 通过主题ID获取相应的投票信息
        /// </summary>
        /// <param name="tid">主题id</param>
        /// <returns>投票选项集合</returns>
        public static List<PollOptionInfo> GetPollOptionInfoCollection(int tid)
        {
            List<PollOptionInfo> pollOptionInfoList = new List<PollOptionInfo>();
            IDataReader idatareader = DatabaseProvider.GetInstance().GetPollOptionList(tid);
            PollOptionInfo polloptioninfo;
            while (idatareader.Read())
            {
                polloptioninfo = new PollOptionInfo();
                polloptioninfo.Polloptionid = TypeConverter.ObjectToInt(idatareader["polloptionid"], 0);
                polloptioninfo.Displayorder = TypeConverter.ObjectToInt(idatareader["displayorder"], 0);
                polloptioninfo.Pollid = TypeConverter.ObjectToInt(idatareader["pollid"], 0);
                polloptioninfo.Polloption = idatareader["polloption"].ToString().Trim();
                polloptioninfo.Tid = TypeConverter.ObjectToInt(idatareader["tid"], 0);