tede/gx_api/GxPress/Repository/GxPress.Repository.Implement/Topic/TopicGroupRepository.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using AutoMapper;
using Dapper;
using Datory;
using GxPress.Common.AppOptions;
using GxPress.Common.Tools;
using GxPress.Entity.Topic;
using GxPress.EnumConst;
using GxPress.Repository.Interface.Topic;
using GxPress.Request.App.Topic;
using GxPress.Result;
using Microsoft.Extensions.Options;
using SqlKata;
using System.Transactions;
namespace GxPress.Repository.Implement.Topic
{
    public class TopicGroupRepository : ITopicGroupRepository
    {
        private readonly Repository<TopicGroup> _repository;
        private readonly IMapper _mapper;
        private readonly string _connectionString;
        private readonly string _databaseTypestr;
        public TopicGroupRepository(IOptionsMonitor<DatabaseOptions> dbOptionsAccessor, IMapper mapper)
        {
            _databaseTypestr = dbOptionsAccessor.CurrentValue.DatabaseType;
            _connectionString = dbOptionsAccessor.CurrentValue.ConnectionString;
            var databaseType = StringUtils.ToEnum<DatabaseType>(dbOptionsAccessor.CurrentValue.DatabaseType, DatabaseType.MySql);
            var database = new Database(databaseType, dbOptionsAccessor.CurrentValue.ConnectionString);
            _repository = new Repository<TopicGroup>(database);
            _mapper = mapper;
        }
        public IDatabase Database => _repository.Database;
        public string TableName => _repository.TableName;
        public List<TableColumn> TableColumns => _repository.TableColumns;

        public async Task<TopicGroup> GetAsync(int id)
        {
            return await _repository.GetAsync(id);
        }
        /// <summary>
        /// 根据ID删除分组
        /// </summary>
        /// <param name="ids"></param>
        /// <returns></returns>
        public async Task<bool> DeleteAsync(List<int> ids)
        {
            return await _repository.DeleteAsync(Q.WhereIn(nameof(TopicGroup.Id), ids)) > 0;
        }

        /// <summary>
        /// 插入
        /// </summary>
        /// <param name="topicGroup"></param>
        /// <returns></returns>
        public async Task<AppResultJson<Entity.Topic.TopicGroup>> InsertAsync(TopicGroup topicGroup)
        {
            var result = new AppResultJson<Entity.Topic.TopicGroup>()
            {
                Code = StatusCodeConst.SucceedCode.GetHashCode(),
                Success = true
            };
            try
            {
                var topicGroupId = 0;
                using (var transactionScope = new TransactionScope())
                {
                    topicGroupId = await _repository.InsertAsync(topicGroup);
                    await _repository.UpdateAsync(Q.Set(nameof(TopicGroup.Sort), topicGroupId).Where(nameof(TopicGroup.Id), topicGroupId));
                    transactionScope.Complete();
                }
                var topicGroupDto = await _repository.GetAsync(topicGroupId);
                result.Data = topicGroupDto;
            }
            catch
            {
                result.Success = false;
                result.Code = StatusCodeConst.ErrorCode.GetHashCode();
                result.Msg = StatusCodeConst.ErrorMsg.GetDescriptionOriginal();
            }
            return result;
        }

        /// <summary>
        /// 根据用户ID获取分组
        /// </summary>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task<IEnumerable<TopicGroup>> GetTopicGroupsAsync(int userId)
        {
            string sql = $@"SELECT 
                                Id,
                                UserId,
                                Name,
                                Sort,
                                (SELECT 
                                        COUNT(1)
                                    FROM
                                        tede_user
                                    WHERE
                                        id IN (SELECT 
                                                UserId
                                            FROM
                                                tede_topic_group_user
                                            WHERE
                                                TopicGroupId = a.Id)) AS IncludeCount
                            FROM
                                tede_topic_group a
                            WHERE
                                a.userId = {userId}
                            ORDER BY a.Sort DESC";
            var databaseType = _databaseTypestr.ToEnum<DatabaseType>(DatabaseType.MySql);
            var database = new Database(databaseType, _connectionString);
            var connection = database.GetConnection();
            return await connection.QueryAsync<Entity.Topic.TopicGroup>(sql);
        }
        /// <summary>
        /// 修改分组名称
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<bool> UpdateAsync(TopicGroupInRequest request)
        {
            return await _repository.UpdateAsync(Q.Set(nameof(TopicGroup.Name), request.Name)
                       .Where(nameof(TopicGroup.Id), request.Id)) > 0;
        }

        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="firstId"></param>
        /// <param name="secondId"></param>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task<bool> MoveSortAsync(int firstId, int secondId, int userId)
        {
            //获取第一个
            var topicGroupFirst = await _repository.GetAsync(firstId);
            //获取第二个数据
            var topicGroupSecond = await _repository.GetAsync(secondId);
            var sort = 0;
            var databaseType = _databaseTypestr.ToEnum<DatabaseType>(DatabaseType.MySql);
            var database = new Database(databaseType, _connectionString);
            var connection = database.GetConnection();
            if (topicGroupFirst.Sort < topicGroupSecond.Sort)
            {
                //修改第一个排序
                await _repository.UpdateAsync(Q.Set(nameof(TopicGroupUser.Sort), topicGroupSecond.Sort)
                    .Where(nameof(TopicGroup.Id), firstId));
                sort = topicGroupSecond.Sort;
                var sql =
                    $"update tede_topic_group set Sort=Sort-1 where UserId={userId}  and Sort<={sort} and Id not in({firstId}) and id>0";
                return await connection.ExecuteAsync(sql) > 0;
            }
            else
            {
                //修改第一个排序
                await _repository.UpdateAsync(Q.Set(nameof(TopicGroupUser.Sort), topicGroupSecond.Sort)
                    .Where(nameof(TopicGroup.Id), firstId));
                sort = topicGroupSecond.Sort;
                var sql =
                    $"update tede_topic_group set Sort=Sort+1 where UserId={userId}  and Sort>={sort} and Id not in({firstId}) and id>0";
                return await connection.ExecuteAsync(sql) > 0;
            }
        }

        public async Task<bool> UpdateAsync(Query query)
        {
            return await _repository.UpdateAsync(query) > 0;
        }
    }
}