框架优化
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czj
“hsc”
@@ -1,129 +0,0 @@
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using Model;
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using Model.Entity;
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using ORM;
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using Service.Implement;
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using Service.Interface;
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using SqlSugar;
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namespace Service.Implement
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{
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public class PostService : BaseService<PostEntity>, IPostService
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{
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public PostService(SqlSugarRepository<PostEntity> repository) : base(repository)
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{
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}
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public async Task<Result<List<PostEntity>>> GetRecommendedPostsAsync(int count = 10)
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{
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try
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{
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var posts = await _repository.Entities
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.Where(x => x.IsDel == 0) // 使用正确的字段名
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.OrderBy(x => x.IsTop, OrderByType.Desc)
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.OrderBy(x => x.PublishTime, OrderByType.Desc)
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.Take(count)
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.ToListAsync();
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return Result<List<PostEntity>>.Success(posts);
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}
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catch (Exception ex)
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{
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return Result<List<PostEntity>>.Error("获取推荐帖子失败", ex);
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}
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}
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public async Task<Result<List<PostEntity>>> SearchPostsAsync(string keyword)
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{
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try
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{
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if (string.IsNullOrWhiteSpace(keyword))
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{
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return Result<List<PostEntity>>.Success(new List<PostEntity>());
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}
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var posts = await _repository.Entities
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.Where(x => (x.Title.Contains(keyword) || x.Content.Contains(keyword))
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&& x.IsDel == 0) // 使用正确的字段名
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.OrderBy(x => x.IsTop, OrderByType.Desc)
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.OrderBy(x => x.PublishTime, OrderByType.Desc)
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.ToListAsync();
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return Result<List<PostEntity>>.Success(posts);
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}
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catch (Exception ex)
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{
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return Result<List<PostEntity>>.Error("搜索帖子失败", ex);
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}
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}
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public async Task<Result<List<PostEntity>>> GetPostsByCategoryAsync(string category, int count = 10)
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{
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try
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{
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if (string.IsNullOrWhiteSpace(category))
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{
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return Result<List<PostEntity>>.Success(new List<PostEntity>());
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}
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var posts = await _repository.Entities
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.Where(x => x.Category == category && x.IsDel == 0) // 使用正确的字段名
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.OrderBy(x => x.IsTop, OrderByType.Desc)
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.OrderBy(x => x.PublishTime, OrderByType.Desc)
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.Take(count)
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.ToListAsync();
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return Result<List<PostEntity>>.Success(posts);
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}
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catch (Exception ex)
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{
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return Result<List<PostEntity>>.Error("获取分类帖子失败", ex);
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}
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}
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public async Task<Result<bool>> CreatePostAsync(PostEntity post)
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{
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try
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{
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post.PublishTime = DateTime.Now;
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var result = await _repository.InsertAsync(post);
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return Result<bool>.Success(result);
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}
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catch (Exception ex)
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{
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return Result<bool>.Error("创建帖子失败", ex);
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}
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}
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public async Task<Result<bool>> UpdatePostAsync(PostEntity post)
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{
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try
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{
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var result = await _repository.UpdateAsync(post);
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return Result<bool>.Success(result);
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}
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catch (Exception ex)
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{
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return Result<bool>.Error("更新帖子失败", ex);
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}
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}
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public async Task<Result<bool>> DeletePostAsync(long postId)
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{
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try
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{
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// 软删除：将IsDel设为1
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var post = await _repository.Entities.FirstAsync(x => x.Id == postId);
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if (post == null)
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return Result<bool>.Error("帖子不存在");
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post.IsDel = 1;
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var result = await _repository.UpdateAsync(post);
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return Result<bool>.Success(result);
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}
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catch (Exception ex)
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{
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return Result<bool>.Error("删除帖子失败", ex);
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}
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}
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}
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}
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@@ -1,91 +0,0 @@
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using Model;
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using Model.Entity;
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using ORM;
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using Service.Implement;
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using Service.Interface;
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public class UserService: BaseService<UserEntity>, IUserService
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{
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public UserService(SqlSugarRepository<UserEntity> repository) : base(repository)
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{
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}
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public async Task<Result<UserEntity>> GetUserByUserNameAsync(string username)
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{
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if (string.IsNullOrWhiteSpace(username))
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return Result<UserEntity>.Error("用户名不能为空");
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try
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{
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var user = await _repository.Entities
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.Where(x => x.UserName == username)
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.FirstAsync();
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if (user == null)
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return Result<UserEntity>.Error("用户不存在");
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return Result<UserEntity>.Success(user);
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}
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catch (Exception ex)
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{
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return Result<UserEntity>.Error("获取用户失败", ex);
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}
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}
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public override async Task<Result<bool>> InsertAsync(UserEntity entity)
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{
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if (entity == null)
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return Result<bool>.Error("用户数据不能为空");
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try
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{
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// 唯一性校验
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bool exists = await _repository.Entities
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.AnyAsync(x => x.UserName == entity.UserName);
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if (exists)
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return Result<bool>.Error("用户名已存在");
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var result = await _repository.InsertAsync(entity);
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return Result<bool>.Success(result);
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}
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catch (Exception ex)
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{
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return Result<bool>.Error("插入数据失败", ex);
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}
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}
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/// <summary>
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/// 更新单条用户记录
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/// </summary>
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/// <param name="entity">要更新的用户实体，Id 必须有值</param>
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public async Task<Result<bool>> UpdateAsync(UserEntity entity)
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{
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if (entity == null)
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return Result<bool>.Error("用户数据不能为空");
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if (entity.Id <= 0)
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return Result<bool>.Error("主键 Id 无效，无法更新");
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try
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{
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// 唯一性校验（可选，如果允许改用户名就检查）
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bool exists = await _repository.Entities
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.Where(x => x.UserName == entity.UserName && x.Id != entity.Id)
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.AnyAsync();
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if (exists)
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return Result<bool>.Error("用户名已存在");
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// 更新整个实体
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var result = await _repository.UpdateAsync(entity);
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return Result<bool>.Success(result);
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}
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catch (Exception ex)
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{
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return Result<bool>.Error("更新用户失败", ex);
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}
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}
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}
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