44 lines
1.4 KiB
C#
44 lines
1.4 KiB
C#
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 ConversationService : IConversationService
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{
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private readonly ImContext _context;
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public ConversationService(ImContext context)
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{
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_context = context;
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}
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#region 删除用户会话
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public async Task<bool> ClearConversationsAsync(int userId)
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{
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await _context.Conversations.Where(x => x.UserId == userId).ExecuteDeleteAsync();
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return true;
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}
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#endregion
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#region 获取用户会话列表
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public async Task<List<Conversation>> GetConversationsAsync(int userId)
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{
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return await _context.Conversations.Where(x => x.UserId == userId)
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.ToListAsync();
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}
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#endregion
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#region 删除单个会话
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public async Task<bool> DeleteConversationAsync(int conversationId)
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{
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var conversation = await _context.Conversations.FirstOrDefaultAsync(x => x.Id == conversationId);
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if (conversation == null) throw new BaseException(CodeDefine.CONVERSATION_NOT_FOUND);
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_context.Conversations.Remove(conversation);
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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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} |