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IRepository.cs

using System.Linq.Expressions;
using Nop.Core;
using Nop.Core.Caching;

namespace Nop.Data;

/// <summary>
/// Represents an entity repository
/// </summary>
/// <typeparam name="TEntity">Entity type</typeparam>
public partial interface IRepository<TEntity> where TEntity : BaseEntity
{
    #region Methods

    /// <summary>
    /// Get the entity entry
    /// </summary>
    /// <param name="id">Entity entry identifier</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <param name="useShortTermCache">Whether to use short term cache instead of static cache</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the entity entry
    /// </returns>
    Task<TEntity> GetByIdAsync(int? id, Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true, bool useShortTermCache = false);

    /// <summary>
    /// Get the entity entry
    /// </summary>
    /// <param name="id">Entity entry identifier</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// The entity entry
    /// </returns>
    TEntity GetById(int? id, Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true);

    /// <summary>
    /// Get entity entries by identifiers
    /// </summary>
    /// <param name="ids">Entity entry identifiers</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the entity entries
    /// </returns>
    Task<IList<TEntity>> GetByIdsAsync(IList<int> ids, Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the entity entries
    /// </returns>
    Task<IList<TEntity>> GetAllAsync(Func<IQueryable<TEntity>, IQueryable<TEntity>> func = null,
        Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the entity entries
    /// </returns>
    Task<IList<TEntity>> GetAllAsync(Func<IQueryable<TEntity>, Task<IQueryable<TEntity>>> func = null,
        Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>Entity entries</returns>
    IList<TEntity> GetAll(Func<IQueryable<TEntity>, IQueryable<TEntity>> func = null,
        Func<ICacheKeyService, CacheKey> getCacheKey = null, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="getCacheKey">Function to get a cache key; pass null to don't cache; return null from this function to use the default key</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the entity entries
    /// </returns>
    Task<IList<TEntity>> GetAllAsync(Func<IQueryable<TEntity>, Task<IQueryable<TEntity>>> func,
        Func<ICacheKeyService, Task<CacheKey>> getCacheKey, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="pageIndex">Page index</param>
    /// <param name="pageSize">Page size</param>
    /// <param name="getOnlyTotalCount">Whether to get only the total number of entries without actually loading data</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the paged list of entity entries
    /// </returns>
    Task<IPagedList<TEntity>> GetAllPagedAsync(Func<IQueryable<TEntity>, IQueryable<TEntity>> func = null,
        int pageIndex = 0, int pageSize = int.MaxValue, bool getOnlyTotalCount = false, bool includeDeleted = true);

    /// <summary>
    /// Get all entity entries
    /// </summary>
    /// <param name="func">Function to select entries</param>
    /// <param name="pageIndex">Page index</param>
    /// <param name="pageSize">Page size</param>
    /// <param name="getOnlyTotalCount">Whether to get only the total number of entries without actually loading data</param>
    /// <param name="includeDeleted">Whether to include deleted items (applies only to <see cref="Nop.Core.Domain.Common.ISoftDeletedEntity"/> entities)</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the paged list of entity entries
    /// </returns>
    Task<IPagedList<TEntity>> GetAllPagedAsync(Func<IQueryable<TEntity>, Task<IQueryable<TEntity>>> func = null,
        int pageIndex = 0, int pageSize = int.MaxValue, bool getOnlyTotalCount = false, bool includeDeleted = true);

    /// <summary>
    /// Insert the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task InsertAsync(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Insert the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Insert(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Insert entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task InsertAsync(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Insert entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Insert(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Update the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task UpdateAsync(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Update the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Update(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Update entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task UpdateAsync(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Update entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Update(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Delete the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task DeleteAsync(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Delete the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Delete(TEntity entity, bool publishEvent = true);

    /// <summary>
    /// Delete entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task DeleteAsync(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Delete entity entries
    /// </summary>
    /// <param name="entities">Entity entries</param>
    /// <param name="publishEvent">Whether to publish event notification</param>
    void Delete(IList<TEntity> entities, bool publishEvent = true);

    /// <summary>
    /// Delete entity entries by the passed predicate
    /// </summary>
    /// <param name="predicate">A function to test each element for a condition</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the number of deleted records
    /// </returns>
    Task<int> DeleteAsync(Expression<Func<TEntity, bool>> predicate);

    /// <summary>
    /// Delete entity entries by the passed predicate
    /// </summary>
    /// <param name="predicate">A function to test each element for a condition</param>
    /// <returns>
    /// The number of deleted records
    /// </returns>
    int Delete(Expression<Func<TEntity, bool>> predicate);

    /// <summary>
    /// Loads the original copy of the entity entry
    /// </summary>
    /// <param name="entity">Entity entry</param>
    /// <returns>
    /// A task that represents the asynchronous operation
    /// The task result contains the copy of the passed entity entry
    /// </returns>
    Task<TEntity> LoadOriginalCopyAsync(TEntity entity);

    /// <summary>
    /// Truncates database table
    /// </summary>
    /// <param name="resetIdentity">Performs reset identity column</param>
    /// <returns>A task that represents the asynchronous operation</returns>
    Task TruncateAsync(bool resetIdentity = false);

    #endregion

    #region Properties

    /// <summary>
    /// Gets a table
    /// </summary>
    IQueryable<TEntity> Table { get; }

    #endregion
}