remove ReadQuery
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@@ -17,18 +17,4 @@ public static class Extensions
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return repository.CreateAsync(entities, ct);
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}
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#endregion
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#region Read
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public static async Task<TEntity?> ReadFirstOrDefaultAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
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=> (await repository.ReadAllAsync(expression)).FirstOrDefault();
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public static async Task<TEntity> ReadFirstAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
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=> (await repository.ReadAllAsync(expression)).First();
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public static async Task<TEntity?> ReadSingleOrDefaultAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
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=> (await repository.ReadAllAsync(expression)).SingleOrDefault();
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public static async Task<TEntity> ReadSingleAsync<TEntity>(this IRepository<TEntity> repository, Expression<Func<TEntity, bool>>? expression = null)
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=> (await repository.ReadAllAsync(expression)).Single();
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#endregion
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}
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@@ -1,85 +0,0 @@
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using System.Linq.Expressions;
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namespace DigitalData.Core.Abstraction.Application.Repository;
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/// <summary>
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/// Provides methods for executing common queries on a given entity type.
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/// This interface abstracts away the direct usage of ORM libraries (such as Entity Framework) for querying data
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/// and provides asynchronous and synchronous operations for querying a collection or single entity.
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/// </summary>
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/// <typeparam name="TEntity">The type of the entity being queried.</typeparam>
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public interface IReadQuery<TEntity>
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{
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/// <summary>
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/// Adds a filter to the query using the specified predicate expression.
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/// This method allows chaining multiple filter conditions to refine the query results.
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/// </summary>
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/// <param name="expression">An expression that defines the filter condition for the entity.</param>
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/// <returns>The current <see cref="IReadQuery{TEntity}"/> instance with the applied filter.</returns>
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public IReadQuery<TEntity> Where(Expression<Func<TEntity, bool>> expression);
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/// <summary>
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/// Asynchronously retrieves the first entity or a default value if no entity is found.
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/// </summary>
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/// <param name="cancellation">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
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/// <returns>A task that represents the asynchronous operation. The task result contains the entity or a default value.</returns>
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public Task<TEntity?> FirstOrDefaultAsync(CancellationToken cancellation = default);
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/// <summary>
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/// Asynchronously retrieves a single entity or a default value if no entity is found.
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/// </summary>
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/// <param name="cancellation">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
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/// <returns>A task that represents the asynchronous operation. The task result contains the entity or a default value.</returns>
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public Task<TEntity?> SingleOrDefaultAsync(CancellationToken cancellation = default);
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/// <summary>
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/// Asynchronously retrieves a list of entities.
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/// </summary>
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/// <param name="cancellation">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
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/// <returns>A task that represents the asynchronous operation. The task result contains the list of entities.</returns>
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public Task<IEnumerable<TEntity>> ToListAsync(CancellationToken cancellation = default);
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/// <summary>
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/// Asynchronously retrieves the first entity. Throws an exception if no entity is found.
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/// </summary>
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/// <param name="cancellation">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
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/// <returns>A task that represents the asynchronous operation. The task result contains the first entity.</returns>
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public Task<TEntity> FirstAsync(CancellationToken cancellation = default);
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/// <summary>
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/// Asynchronously retrieves a single entity. Throws an exception if no entity is found.
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/// </summary>
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/// <param name="cancellation">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
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/// <returns>A task that represents the asynchronous operation. The task result contains the single entity.</returns>
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public Task<TEntity> SingleAsync(CancellationToken cancellation = default);
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/// <summary>
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/// Synchronously retrieves the first entity or a default value if no entity is found.
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/// </summary>
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/// <returns>The first entity or a default value.</returns>
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public TEntity? FirstOrDefault();
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/// <summary>
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/// Synchronously retrieves a single entity or a default value if no entity is found.
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/// </summary>
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/// <returns>The single entity or a default value.</returns>
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public TEntity? SingleOrDefault();
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/// <summary>
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/// Synchronously retrieves a list of entities.
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/// </summary>
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/// <returns>The list of entities.</returns>
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public IEnumerable<TEntity> ToList();
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/// <summary>
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/// Synchronously retrieves the first entity. Throws an exception if no entity is found.
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/// </summary>
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/// <returns>The first entity.</returns>
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public TEntity First();
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/// <summary>
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/// Synchronously retrieves a single entity. Throws an exception if no entity is found.
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/// </summary>
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/// <returns>The single entity.</returns>
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public TEntity Single();
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}
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@@ -10,23 +10,11 @@ public interface IRepository<TEntity>
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public Task<IEnumerable<TEntity>> CreateAsync(IEnumerable<TEntity> entities, CancellationToken cancellation = default);
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public IReadQuery<TEntity> Read(params Expression<Func<TEntity, bool>>[] expressions);
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public IQueryable<TEntity> Read();
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public IQueryable<TEntity> ReadOnly();
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public Task UpdateAsync<TDto>(TDto dto, Expression<Func<TEntity, bool>> expression, CancellationToken cancellation = default);
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public Task DeleteAsync(Expression<Func<TEntity, bool>> expression, CancellationToken cancellation = default);
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#region Obsolete
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[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
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public Task<IEnumerable<TEntity>> ReadAllAsync(Expression<Func<TEntity, bool>>? expression = null, CancellationToken cancellation = default);
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[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
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public Task<TEntity?> ReadOrDefaultAsync(Expression<Func<TEntity, bool>> expression, bool single = true, CancellationToken cancellation = default);
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[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
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public Task<IEnumerable<TDto>> ReadAllAsync<TDto>(Expression<Func<TEntity, bool>>? expression = null, CancellationToken cancellation = default);
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[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
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public Task<TDto?> ReadOrDefaultAsync<TDto>(Expression<Func<TEntity, bool>> expression, bool single = true, CancellationToken cancellation = default);
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#endregion
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}
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@@ -1,14 +0,0 @@
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using System.Linq.Expressions;
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namespace DigitalData.Core.Abstraction.Application.Repository;
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public static class RepositoryExtensions
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{
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public static IReadQuery<TEntity> Where<TEntity>(this IReadQuery<TEntity> query, params Expression<Func<TEntity, bool>>[] expressions)
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{
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foreach (var expression in expressions)
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query = query.Where(expression);
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return query;
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}
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}
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