tede/gx_api/GxPress/Repository/GxPress.Repository.Implement/Friends/FriendsRepository.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using AutoMapper;
using Datory;
using GxPress.Common.AppOptions;
using GxPress.Common.Tools;
using GxPress.Repository.Interface.Friends;
using Microsoft.Extensions.Caching.Distributed;
using Microsoft.Extensions.Options;

namespace GxPress.Repository.Implement.Friends
{
    public class FriendsRepository : IFriendsRepository
    {
        private readonly Repository<Entity.Friends> _repository;
        private readonly IMapper _mapper;
        private readonly IDistributedCache _cache;
        public FriendsRepository(IOptionsMonitor<DatabaseOptions> dbOptionsAccessor, IMapper mapper, IDistributedCache cache)
        {
            var databaseType = StringUtils.ToEnum<DatabaseType>(dbOptionsAccessor.CurrentValue.DatabaseType, DatabaseType.MySql);
            var database = new Database(databaseType, dbOptionsAccessor.CurrentValue.ConnectionString);
            _mapper = mapper;
            _cache = cache;
            _repository = new Repository<Entity.Friends>(database);
        }
        public IDatabase Database => _repository.Database;
        public string TableName => _repository.TableName;
        public List<TableColumn> TableColumns => _repository.TableColumns;
        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public async Task<int> AddAsync(Entity.Friends model)
        {
            return await _repository.InsertAsync(model);
        }
        /// <summary>
        /// 删除我的好友
        /// </summary>
        /// <param name="friendsIds"></param>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task<bool> DeleteAsync(IEnumerable<int> friendsIds, int userId)
        {
            return await _repository.DeleteAsync(Q.Where(nameof(Entity.Friends.UserId), userId).WhereIn(nameof(Entity.Friends.FriendsUserId), friendsIds)) > 0;
        }
        /// <summary>
        /// 获取好友数据
        /// </summary>
        /// <param name="userId"></param>
        /// <param name="addressBookGroupId"></param>
        /// <returns></returns>
        public async Task<IEnumerable<int>> GetFriendsIdsAsync(int userId, int addressBookGroupId)
        {
            var query = Q.NewQuery();
            query.Select(nameof(Entity.Friends.FriendsUserId));
            query.Where(nameof(Entity.Friends.UserId), userId);
            if (addressBookGroupId >= 0)
                query.Where(nameof(Entity.Friends.AddressBookGroupId), addressBookGroupId);
            return await _repository.GetAllAsync<int>(query);
        }

        /// <summary>
        /// 好友移动到自己分组
        /// </summary>
        /// <param name="friendsUserId"></param>
        /// <param name="userId"></param>
        /// <param name="addressBookGroupId"></param>
        /// <returns></returns>
        public async Task<bool> UpdateAddressBookGroupId(IEnumerable<int> friendsUserId, int userId, int addressBookGroupId)
        {
            var query = Q.NewQuery();
            query.Set(nameof(Entity.Friends.AddressBookGroupId), addressBookGroupId);
            query.WhereIn(nameof(Entity.Friends.FriendsUserId), friendsUserId);
            query.Where(nameof(Entity.Friends.UserId), userId);
            return await _repository.UpdateAsync(query) > 0;
        }
        /// <summary>
        /// 是否是好友
        /// </summary>
        /// <param name="friendsUserId"></param>
        /// <param name="userId"></param>
        /// <returns></returns>
        public async Task<bool> ExistsAsync(int friendsUserId, int userId)
        {
            var query = Q.NewQuery();
            query.Where(nameof(Entity.Friends.UserId), userId);
            query.Where(nameof(Entity.Friends.FriendsUserId), friendsUserId);
            return await _repository.ExistsAsync(query);
        }
    }
}