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IRepository.cs
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IRepository.cs
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using EFCore.UnitOfWork.PageList;
using Microsoft.EntityFrameworkCore.ChangeTracking;
using Microsoft.EntityFrameworkCore.Query;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace EFCore.UnitOfWork
{
public interface IRepository<TEntity> where TEntity : class
{
/// <summary>
/// Changes the table name. This require the tables in the same database.
/// </summary>
/// <param name="table"></param>
/// <remarks>
/// This only been used for supporting multiple tables in the same model. This require the tables in the same database.
/// </remarks>
//void ChangeTable(string table);
/// <summary>
/// Gets the <see cref="IPagedList{TEntity}"/> based on a predicate, orderby delegate and page information. This method default no-tracking query.
/// </summary>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="pageIndex">The index of page.</param>
/// <param name="pageSize">The size of the page.</param>
/// <param name="disableTracking"><c>True</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method default no-tracking query.</remarks>
IPagedList<TEntity> GetPagedList(Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
int pageIndex = 1,
int pageSize = 20,
int pageJump = 2,
bool disableTracking = true);
/// <summary>
/// Gets the <see cref="IPagedList{TEntity}"/> based on a predicate, orderby delegate and page information. This method default no-tracking query.
/// </summary>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="pageIndex">The index of page.</param>
/// <param name="pageSize">The size of the page.</param>
/// <param name="disableTracking"><c>True</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <param name="cancellationToken">
/// A <see cref="CancellationToken" /> to observe while waiting for the task to complete.
/// </param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method default no-tracking query.</remarks>
Task<IPagedList<TEntity>> GetPagedListAsync(Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
int pageIndex = 1,
int pageSize = 20,
int pageJump = 2,
bool disableTracking = true,
CancellationToken cancellationToken = default(CancellationToken));
/// <summary>
/// Gets the <see cref="IPagedList{TResult}"/> based on a predicate, orderby delegate and page information. This method default no-tracking query.
/// </summary>
/// <param name="selector">The selector for projection.</param>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="pageIndex">The index of page.</param>
/// <param name="pageSize">The size of the page.</param>
/// <param name="disableTracking"><c>True</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TResult}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method default no-tracking query.</remarks>
IPagedList<TResult> GetPagedList<TResult>(Expression<Func<TEntity, TResult>> selector,
Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
int pageIndex = 1,
int pageSize = 20,
int pageJump = 2,
bool disableTracking = true) where TResult : class;
/// <summary>
/// Gets the <see cref="IPagedList{TEntity}"/> based on a predicate, orderby delegate and page information. This method default no-tracking query.
/// </summary>
/// <param name="selector">The selector for projection.</param>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="pageIndex">The index of page.</param>
/// <param name="pageSize">The size of the page.</param>
/// <param name="disableTracking"><c>True</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <param name="cancellationToken">
/// A <see cref="CancellationToken" /> to observe while waiting for the task to complete.
/// </param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method default no-tracking query.</remarks>
Task<IPagedList<TResult>> GetPagedListAsync<TResult>(Expression<Func<TEntity, TResult>> selector,
Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
int pageIndex = 1,
int pageSize = 20,
int pageJump = 2,
bool disableTracking = true,
CancellationToken cancellationToken = default(CancellationToken)) where TResult : class;
/// <summary>
/// Gets the <see cref="IPagedList{TEntity}"/> based on a predicate, orderby delegate and page information. This method default no-tracking query.
/// </summary>
/// <param name="stages">The stages for projection.</param>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="pageIndex">The index of page.</param>
/// <param name="pageSize">The size of the page.</param>
/// <param name="disableTracking"><c>True</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <param name="cancellationToken">
/// A <see cref="CancellationToken" /> to observe while waiting for the task to complete.
/// </param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method default no-tracking query.</remarks>
Task<IPagedList<TResult>> GetStagesPagedListAsync<TResult>(IQueryable<TEntity> stages,
Expression<Func<TEntity, TResult>> selector,
Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
int pageIndex = 1,
int pageSize = 20,
int pageJump = 2,
bool disableTracking = true,
CancellationToken cancellationToken = default(CancellationToken)) where TResult : class;
/// <summary>
/// Gets the first or default entity based on a predicate, orderby delegate and include delegate. This method defaults to a read-only, no-tracking query.
/// </summary>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="disableTracking"><c>true</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method defaults to a read-only, no-tracking query.</remarks>
TEntity GetFirstOrDefault(Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
bool disableTracking = true);
/// <summary>
/// Gets the first or default entity based on a predicate, orderby delegate and include delegate. This method defaults to a read-only, no-tracking query.
/// </summary>
/// <param name="selector">The selector for projection.</param>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="disableTracking"><c>true</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>This method defaults to a read-only, no-tracking query.</remarks>
TResult GetFirstOrDefault<TResult>(Expression<Func<TEntity, TResult>> selector,
Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
bool disableTracking = true);
/// <summary>
/// Gets the first or default entity based on a predicate, orderby delegate and include delegate. This method defaults to a read-only, no-tracking query.
/// </summary>
/// <param name="selector">The selector for projection.</param>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="disableTracking"><c>true</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>Ex: This method defaults to a read-only, no-tracking query.</remarks>
Task<TResult> GetFirstOrDefaultAsync<TResult>(Expression<Func<TEntity, TResult>> selector,
Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
bool disableTracking = true);
/// <summary>
/// Gets the first or default entity based on a predicate, orderby delegate and include delegate. This method defaults to a read-only, no-tracking query.
/// </summary>
/// <param name="predicate">A function to test each element for a condition.</param>
/// <param name="orderBy">A function to order elements.</param>
/// <param name="include">A function to include navigation properties</param>
/// <param name="disableTracking"><c>true</c> to disable changing tracking; otherwise, <c>false</c>. Default to <c>true</c>.</param>
/// <returns>An <see cref="IPagedList{TEntity}"/> that contains elements that satisfy the condition specified by <paramref name="predicate"/>.</returns>
/// <remarks>Ex: This method defaults to a read-only, no-tracking query. </remarks>
Task<TEntity> GetFirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
bool disableTracking = true);
/// <summary>
/// Uses raw SQL queries to fetch the specified <typeparamref name="TEntity" /> data.
/// </summary>
/// <param name="sql">The raw SQL.</param>
/// <param name="parameters">The parameters.</param>
/// <returns>An <see cref="IQueryable{TEntity}" /> that contains elements that satisfy the condition specified by raw SQL.</returns>
IQueryable<TEntity> FromSql(string sql, params object[] parameters);
/// <summary>
/// Finds an entity with the given primary key values. If found, is attached to the context and returned. If no entity is found, then null is returned.
/// </summary>
/// <param name="keyValues">The values of the primary key for the entity to be found.</param>
/// <returns>The found entity or null.</returns>
TEntity Find(params object[] keyValues);
/// <summary>
/// Finds an entity with the given primary key values. If found, is attached to the context and returned. If no entity is found, then null is returned.
/// </summary>
/// <param name="keyValues">The values of the primary key for the entity to be found.</param>
/// <returns>A <see cref="Task{TEntity}"/> that represents the asynchronous find operation. The task result contains the found entity or null.</returns>
ValueTask<TEntity> FindAsync(params object[] keyValues);
/// <summary>
/// Finds an entity with the given primary key values. If found, is attached to the context and returned. If no entity is found, then null is returned.
/// </summary>
/// <param name="keyValues">The values of the primary key for the entity to be found.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>A <see cref="Task{TEntity}"/> that represents the asynchronous find operation. The task result contains the found entity or null.</returns>
ValueTask<TEntity> FindAsync(object[] keyValues, CancellationToken cancellationToken);
/// <summary>
/// Gets all entities. This method is not recommended
/// </summary>
/// <returns>The <see cref="IQueryable{TEntity}"/>.</returns>
[Obsolete("This method is not recommended, please use GetPagedList or GetPagedListAsync methods")]
IQueryable<TEntity> GetAll();
/// <summary>
/// Gets all entities. This method is not recommended
/// </summary>
/// <returns>The <see cref="IQueryable{TEntity}"/>.</returns>
IQueryable<TEntity> Queryable();
/// <summary>
/// Gets the count based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// <returns></returns>
int Count(Expression<Func<TEntity, bool>> predicate = null);
/// <summary>
/// Inserts a new entity synchronously.
/// </summary>
/// <param name="entity">The entity to insert.</param>
void Insert(TEntity entity);
/// <summary>
/// Inserts a range of entities synchronously.
/// </summary>
/// <param name="entities">The entities to insert.</param>
void Insert(params TEntity[] entities);
/// <summary>
/// Inserts a range of entities synchronously.
/// </summary>
/// <param name="entities">The entities to insert.</param>
void Insert(IEnumerable<TEntity> entities);
/// <summary>
/// Inserts a new entity asynchronously.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entity">The entity to insert.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous insert operation.</returns>
ValueTask<EntityEntry<TEntity>> InsertAsync(TEntity entity, CancellationToken cancellationToken = default(CancellationToken));
/// <summary>
/// Inserts a range of entities asynchronously.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities to insert.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous insert operation.</returns>
Task InsertAsync(params TEntity[] entities);
/// <summary>
/// Inserts a range of entities asynchronously.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities to insert.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous insert operation.</returns>
Task InsertAsync(IEnumerable<TEntity> entities, CancellationToken cancellationToken = default(CancellationToken));
/// <summary>
/// Updates the specified entity.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entity">The entity.</param>
void Update(TEntity entity);
/// <summary>
/// Updates the specified entities.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities.</param>
void Update(params TEntity[] entities);
/// <summary>
/// Updates the specified entities.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities.</param>
void Update(IEnumerable<TEntity> entities);
/// <summary>
/// Deletes the entity by the specified primary key.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="id">The primary key value.</param>
void Delete(object id);
/// <summary>
/// Deletes the specified entity.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entity">The entity to delete.</param>
void Delete(TEntity entity);
/// <summary>
/// Deletes the specified entities.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities.</param>
void Delete(params TEntity[] entities);
/// <summary>
/// Deletes the specified entities.
/// Exception UnitOfWorkException
/// </summary>
/// <param name="entities">The entities.</param>
void Delete(IEnumerable<TEntity> entities);
/// <summary>
/// GetByFiler
/// Exception UnitOfWorkException
/// </summary>
/// <param name="filter"></param>
/// <param name="orderBy"></param>
/// <param name="includeProperties"></param>
/// <returns></returns>
IEnumerable<TEntity> GetByFilter(
Expression<Func<TEntity, bool>> filter = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
string includeProperties = "");
IQueryable<TEntity> GetAllByFilter(Expression<Func<TEntity, bool>> predicate = null,
Func<IQueryable<TEntity>, IOrderedQueryable<TEntity>> orderBy = null,
Func<IQueryable<TEntity>, IIncludableQueryable<TEntity, object>> include = null,
bool disableTracking = true,
CancellationToken cancellationToken = default(CancellationToken));
/// <summary>
/// This method takes a predicate based on which existence of the entity will be determined
/// and returns <see cref="Task"/> of <see cref="bool"/>.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="condition">The condition based on which the existence will checked.</param>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Returns <see cref="bool"/>.</returns>
Task<bool> ExistsAsync(Expression<Func<TEntity, bool>> condition, CancellationToken cancellationToken = default);
/// <summary>
/// This method returns all count in <see cref="int"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Returns <see cref="Task"/> of <see cref="int"/>.</returns>
Task<int> GetCountAsync(CancellationToken cancellationToken = default);
/// <summary>
/// This method takes one or more <em>predicates</em> and returns the count in <see cref="int"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="condition">The condition based on which count will be done.</param>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Returns <see cref="Task"/> of <see cref="int"/>.</returns>
Task<int> GetCountAsync(Expression<Func<TEntity, bool>> condition, CancellationToken cancellationToken = default);
/// <summary>
/// This method takes one or more <em>predicates</em> and returns the count in <see cref="int"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="conditions">The conditions based on which count will be done.</param>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Returns <see cref="Task"/> of <see cref="int"/>.</returns>
Task<int> GetCountAsync(IEnumerable<Expression<Func<TEntity, bool>>> conditions, CancellationToken cancellationToken = default);
/// <summary>
/// This method returns all count in <see cref="long"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Retuns <see cref="Task"/> of <see cref="long"/>.</returns>
Task<long> GetLongCountAsync(CancellationToken cancellationToken = default);
/// <summary>
/// This method takes one or more <em>predicates</em> and returns the count in <see cref="long"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="condition">The condition based on which count will be done.</param>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Retuns <see cref="Task"/> of <see cref="long"/>.</returns>
Task<long> GetLongCountAsync(Expression<Func<TEntity, bool>> condition, CancellationToken cancellationToken = default);
// <summary>
/// This method takes one or more <em>predicates</em> and returns the count in <see cref="long"/> type.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <param name="conditions">The conditions based on which count will be done.</param>
/// <param name="cancellationToken"> A <see cref="CancellationToken"/> to observe while waiting for the task to complete.</param>
/// <returns>Retuns <see cref="Task"/> of <see cref="long"/>.</returns>
Task<long> GetLongCountAsync(IEnumerable<Expression<Func<TEntity, bool>>> conditions, CancellationToken cancellationToken = default);
/// <summary>
/// Gets the max based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
T Max<T>(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, T>> selector = null);
/// <summary>
/// Gets the async max based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
Task<T> MaxAsync<T>(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, T>> selector = null, CancellationToken cancellationToken = default);
/// <summary>
/// Gets the min based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// <param name="selector"></param>
/// <returns>decimal</returns>
T Min<T>(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, T>> selector = null);
/// <summary>
/// Gets the async min based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// <param name="selector"></param>
/// <returns>decimal</returns>
Task<T> MinAsync<T>(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, T>> selector = null, CancellationToken cancellationToken = default);
/// <summary>
/// Gets the average based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
decimal Average(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, decimal>> selector = null);
/// <summary>
/// Gets the async average based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
Task<decimal> AverageAsync(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, decimal>> selector = null, CancellationToken cancellationToken = default);
/// <summary>
/// Gets the sum based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
decimal Sum(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, decimal>> selector = null);
/// <summary>
/// Gets the async sum based on a predicate.
/// </summary>
/// <param name="predicate"></param>
/// /// <param name="selector"></param>
/// <returns>decimal</returns>
Task<decimal> SumAsync(Expression<Func<TEntity, bool>> predicate = null, Expression<Func<TEntity, decimal>> selector = null, CancellationToken cancellationToken = default);
/// <summary>
/// Reset the DbContext state by removing all the tracked and attached entities.
/// </summary>
void ResetContextState();
}
}