Yi.Admin/Yi.Abp.Net8/module/rbac/Yi.Framework.Rbac.Application/Services/NoticeService.cs

using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using SqlSugar;
using Volo.Abp.Application.Dtos;
using Yi.Framework.Ddd.Application;
using Yi.Framework.Rbac.Application.Contracts.Dtos.Notice;
using Yi.Framework.Rbac.Application.Contracts.IServices;
using Yi.Framework.Rbac.Application.SignalRHubs;
using Yi.Framework.Rbac.Domain.Entities;
using Yi.Framework.SqlSugarCore.Abstractions;

namespace Yi.Framework.Rbac.Application.Services
{
    /// <summary>
    /// Notice服务实现
    /// </summary>
    public class NoticeService : YiCrudAppService<NoticeAggregateRoot, NoticeGetOutputDto, NoticeGetListOutputDto, Guid, NoticeGetListInput, NoticeCreateInput, NoticeUpdateInput>,
       INoticeService
    {
        private ISqlSugarRepository<NoticeAggregateRoot, Guid> _repository;
        private IHubContext<NoticeHub> _hubContext;
        public NoticeService(ISqlSugarRepository<NoticeAggregateRoot, Guid> repository, IHubContext<NoticeHub> hubContext) : base(repository)
        {
            _hubContext = hubContext;
            _repository = repository;
        }

        /// <summary>
        /// 多查
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public override async Task<PagedResultDto<NoticeGetListOutputDto>> GetListAsync(NoticeGetListInput input)
        {
            RefAsync<int> total = 0;

            var entities = await _repository._DbQueryable.WhereIF(input.Type is not null, x => x.Type == input.Type)
                          .WhereIF(!string.IsNullOrEmpty(input.Title), x => x.Title!.Contains(input.Title!))
                          .WhereIF(input.StartTime is not null && input.EndTime is not null, x => x.CreationTime >= input.StartTime && x.CreationTime <= input.EndTime)
                          .ToPageListAsync(input.SkipCount, input.MaxResultCount, total);
            return new PagedResultDto<NoticeGetListOutputDto>(total, await MapToGetListOutputDtosAsync(entities));
        }



        /// <summary>
        /// 发送在线消息
        /// </summary>
        /// <returns></returns>
        [HttpPost("notice/online/{id}")]
        public async Task SendOnlineAsync([FromRoute] Guid id)
        {
            var entity = await _repository._DbQueryable.FirstAsync(x => x.Id == id);
            await _hubContext.Clients.All.SendAsync("ReceiveNotice", entity.Type.ToString(), entity.Title, entity.Content);
        }
        /// <summary>
        /// 发送离线消息
        /// </summary>
        /// <returns></returns>
        [HttpPost("notice/offline/{id}")]
        public async Task SendOfflineAsync([FromRoute] Guid id)
        {
            //先发送一个在线
            await SendOnlineAsync(id);

            //然后将所有用户和通知id进行保留记录，判断是否已读还是未读
            //在首次请求返回全部未读的通知给前端即可
        }
    }
}