91 lines
3.2 KiB
C#
91 lines
3.2 KiB
C#
using AutoMapper;
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using IM_API.Dtos;
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using IM_API.Exceptions;
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using IM_API.Interface.Services;
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using IM_API.Models;
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using IM_API.Tools;
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using Microsoft.EntityFrameworkCore;
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namespace IM_API.Services
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{
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public class MessageService : IMessageSevice
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{
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private readonly ImContext _context;
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private readonly ILogger<MessageService> _logger;
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private readonly IMapper _mapper;
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public MessageService(ImContext context, ILogger<MessageService> logger, IMapper mapper)
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{
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_context = context;
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_logger = logger;
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_mapper = mapper;
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}
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public Task<List<MessageBaseDto>> GetGroupMessagesAsync(int groupId, int page, int pageSize, bool desc)
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{
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throw new NotImplementedException();
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}
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public Task<List<MessageBaseDto>> GetPrivateMessagesAsync(int userAId, int userBId, int page, int pageSize, bool desc)
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{
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throw new NotImplementedException();
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}
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public Task<int> GetUnreadCountAsync(int userId)
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{
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throw new NotImplementedException();
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}
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public Task<List<MessageBaseDto>> GetUnreadMessagesAsync(int userId)
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{
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throw new NotImplementedException();
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}
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public Task<bool> MarkAsReadAsync(int userId, long messageId)
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{
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throw new NotImplementedException();
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}
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public Task<bool> MarkConversationAsReadAsync(int userId, int? userBId, int? groupId)
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{
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throw new NotImplementedException();
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}
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public Task<bool> RecallMessageAsync(int userId, int messageId)
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{
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throw new NotImplementedException();
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}
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#region 发送群消息
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public async Task<bool> SendGroupMessageAsync(int senderId, int groupId, MessageBaseDto dto)
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{
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//判断群存在
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var isExist = await _context.Groups.AnyAsync(x => x.Id == groupId);
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if (!isExist) throw new BaseException(CodeDefine.GROUP_NOT_FOUND);
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//判断是否是群成员
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var isMember = await _context.GroupMembers.AnyAsync(x => x.GroupId == groupId && x.UserId == senderId);
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if (!isMember) throw new BaseException(CodeDefine.NO_GROUP_PERMISSION);
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var message = _mapper.Map<Message>(dto);
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message.Sender = senderId;
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message.StreamKey = StreamKeyBuilder.Group(groupId);
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_context.Messages.Add(message);
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await _context.SaveChangesAsync();
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return true;
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}
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#endregion
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#region 发送私聊消息
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public async Task<bool> SendPrivateMessageAsync(int senderId, int receiverId, MessageBaseDto dto)
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{
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bool isExist = await _context.Friends.AnyAsync(x => x.FriendId == receiverId);
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if (!isExist) throw new BaseException(CodeDefine.FRIEND_RELATION_NOT_FOUND);
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var message = _mapper.Map<Message>(dto);
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message.Sender = senderId;
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//生成消息流唯一标识符
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message.StreamKey = StreamKeyBuilder.Private(dto.SenderId, dto.ReceiverId);
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_context.Messages.Add(message);
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await _context.SaveChangesAsync();
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return true;
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}
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#endregion
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}
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}
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