37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
using System.Linq.Expressions;
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namespace DramaLing.Api.Contracts.Repositories;
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/// <summary>
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/// 泛型 Repository 介面，提供基本的 CRUD 操作
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/// </summary>
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/// <typeparam name="T">實體類型</typeparam>
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public interface IRepository<T> where T : class
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{
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// 查詢操作
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Task<T?> GetByIdAsync(object id);
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Task<IEnumerable<T>> GetAllAsync();
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Task<IEnumerable<T>> FindAsync(Expression<Func<T, bool>> predicate);
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Task<T?> FirstOrDefaultAsync(Expression<Func<T, bool>> predicate);
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Task<bool> ExistsAsync(Expression<Func<T, bool>> predicate);
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Task<int> CountAsync(Expression<Func<T, bool>>? predicate = null);
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// 分頁查詢
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Task<(IEnumerable<T> Items, int TotalCount)> GetPagedAsync(
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int pageNumber,
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int pageSize,
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Expression<Func<T, bool>>? filter = null,
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Func<IQueryable<T>, IOrderedQueryable<T>>? orderBy = null);
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// 修改操作
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Task<T> AddAsync(T entity);
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Task<IEnumerable<T>> AddRangeAsync(IEnumerable<T> entities);
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Task UpdateAsync(T entity);
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Task UpdateRangeAsync(IEnumerable<T> entities);
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Task DeleteAsync(T entity);
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Task DeleteAsync(object id);
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Task DeleteRangeAsync(IEnumerable<T> entities);
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// 工作單元
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Task<int> SaveChangesAsync();
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} |