Discuz.Data/DataProvider/Invitation.cs

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

using Discuz.Entity;
using Discuz.Common;

namespace Discuz.Data
{
    public class Invitation
    {
        /// <summary>
        /// 创建邀请码
        /// </summary>
        /// <param name="inviteCode"></param>
        /// <returns></returns>
        public static int CreateInviteCode(InviteCodeInfo inviteCode)
        {
            return DatabaseProvider.GetInstance().CreateInviteCode(inviteCode);
        }

        /// <summary>
        /// 检查该邀请码code是否已存在于数据库
        /// </summary>
        /// <param name="code"></param>
        /// <returns></returns>
        public static bool IsInviteCodeExist(string code)
        {
            return DatabaseProvider.GetInstance().IsInviteCodeExist(code);
        }

        /// <summary>
        /// 通过邀请码ID获取邀请码信息
        /// </summary>
        /// <param name="inviteid"></param>
        /// <returns></returns>
        public static InviteCodeInfo GetInviteCodeById(int inviteId)
        {
            IDataReader reader = DatabaseProvider.GetInstance().GetInviteCodeById(inviteId);
            InviteCodeInfo inviteCode = null;
            if (reader.Read())
            {
                inviteCode = LoadInviteCode(reader);
            }
            reader.Close();
            return inviteCode;
        }

        /// <summary>
        /// 通过创建人id获取邀请码信息
        /// </summary>
        /// <param name="userid"></param>
        /// <returns></returns>
        public static InviteCodeInfo GetInviteCodeByUid(int userId)
        {
            IDataReader reader = DatabaseProvider.GetInstance().GetInviteCodeByUid(userId);
            InviteCodeInfo inviteCode = null;
            if (reader.Read())
            {
                inviteCode = LoadInviteCode(reader);