115 lines
4.4 KiB
C#
115 lines
4.4 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using SqlSugar;
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using Volo.Abp;
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using Volo.Abp.Application.Dtos;
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using Yi.Framework.Bbs.Application.Contracts.Dtos.Comment;
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using Yi.Framework.Bbs.Application.Contracts.IServices;
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using Yi.Framework.Bbs.Domain.Entities;
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using Yi.Framework.Bbs.Domain.Managers;
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using Yi.Framework.Bbs.Domain.Shared.Consts;
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using Yi.Framework.Ddd.Application;
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using Yi.Framework.SqlSugarCore.Abstractions;
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namespace Yi.Framework.Bbs.Application.Services
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{
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/// <summary>
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/// 评论
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/// </summary>
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public class CommentService : YiCrudAppService<CommentEntity, CommentGetOutputDto, CommentGetListOutputDto, Guid, CommentGetListInputVo, CommentCreateInputVo, CommentUpdateInputVo>,
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ICommentService
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{
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private readonly ISqlSugarRepository<CommentEntity, Guid> _repository;
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public CommentService(ForumManager forumManager, ISqlSugarRepository<DiscussEntity> discussRepository, IDiscussService discussService, ISqlSugarRepository<CommentEntity, Guid> CommentRepository) : base(CommentRepository)
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{
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_forumManager = forumManager;
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_discussRepository = discussRepository;
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_discussService = discussService;
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_repository = CommentRepository;
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}
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private ForumManager _forumManager { get; set; }
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private ISqlSugarRepository<DiscussEntity> _discussRepository { get; set; }
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private IDiscussService _discussService { get; set; }
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/// <summary>
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/// 获取改主题下的评论,结构为二维列表，该查询无分页
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/// </summary>
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/// <param name="discussId"></param>
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/// <param name="input"></param>
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/// <returns></returns>
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public async Task<PagedResultDto<CommentGetListOutputDto>> GetDiscussIdAsync([FromRoute] Guid discussId, [FromQuery] CommentGetListInputVo input)
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{
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await _discussService.VerifyDiscussPermissionAsync(discussId);
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var entities = await _repository._DbQueryable.WhereIF(!string.IsNullOrEmpty(input.Content), x => x.Content.Contains(input.Content))
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.Where(x => x.DiscussId == discussId)
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.Includes(x => x.CreateUser)
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.ToListAsync();
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//结果初始值，第一层等于全部根节点
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var outPut = entities.Where(x => x.ParentId == Guid.Empty).OrderByDescending(x => x.CreationTime).ToList();
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//将全部数据进行hash
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var dic = entities.ToDictionary(x => x.Id);
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foreach (var comment in entities)
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{
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//不是根节点，需要赋值 被评论者用户信息等
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if (comment.ParentId != Guid.Empty)
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{
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if (dic.ContainsKey(comment.ParentId))
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{
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var parentComment = dic[comment.ParentId];
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comment.CommentedUser = parentComment.CreateUser;
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}
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else
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{
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continue;
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}
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}
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//root或者parent id，根节点都是等于0的
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var id = comment.RootId;
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if (id != Guid.Empty)
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{
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dic[id].Children.Add(comment);
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}
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}
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//子类需要排序
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outPut.ForEach(x =>
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{
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x.Children = x.Children.OrderByDescending(x => x.CreationTime).ToList();
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});
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//获取全量主题评论， 先获取顶级的，将其他子组合到顶级下，形成一个二维,先转成dto
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List<CommentGetListOutputDto> items = await MapToGetListOutputDtosAsync(outPut);
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return new PagedResultDto<CommentGetListOutputDto>(entities.Count(), items);
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}
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/// <summary>
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/// 发表评论
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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/// <exception cref="UserFriendlyException"></exception>
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public override async Task<CommentGetOutputDto> CreateAsync(CommentCreateInputVo input)
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{
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if (!await _discussRepository.IsAnyAsync(x => x.Id == input.DiscussId))
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{
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throw new UserFriendlyException(DiscussConst.No_Exist);
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}
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var entity = await _forumManager.CreateCommentAsync(input.DiscussId, input.ParentId, input.RootId, input.Content);
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return await MapToGetOutputDtoAsync(entity);
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}
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}
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}
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