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EfCoreRepository.cs
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EfCoreRepository.cs
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using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.Extensions.Logging;
using Volo.Abp.Data;
using Volo.Abp.Domain.Entities;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.EntityFrameworkCore.DependencyInjection;
using Volo.Abp.Guids;
namespace Volo.Abp.Domain.Repositories.EntityFrameworkCore;
public class EfCoreRepository<TDbContext, TEntity> : RepositoryBase<TEntity>, IEfCoreRepository<TEntity>
where TDbContext : IEfCoreDbContext
where TEntity : class, IEntity
{
[Obsolete("Use GetDbContextAsync() method.")]
protected virtual TDbContext DbContext => GetDbContext();
[Obsolete("Use GetDbContextAsync() method.")]
DbContext IEfCoreRepository<TEntity>.DbContext => (GetDbContext() as DbContext)!;
async Task<DbContext> IEfCoreRepository<TEntity>.GetDbContextAsync()
{
return (await GetDbContextAsync() as DbContext)!;
}
[Obsolete("Use GetDbContextAsync() method.")]
private TDbContext GetDbContext()
{
// Multi-tenancy unaware entities should always use the host connection string
if (!EntityHelper.IsMultiTenant<TEntity>())
{
using (CurrentTenant.Change(null))
{
return _dbContextProvider.GetDbContext();
}
}
return _dbContextProvider.GetDbContext();
}
protected virtual Task<TDbContext> GetDbContextAsync()
{
// Multi-tenancy unaware entities should always use the host connection string
if (!EntityHelper.IsMultiTenant<TEntity>())
{
using (CurrentTenant.Change(null))
{
return _dbContextProvider.GetDbContextAsync();
}
}
return _dbContextProvider.GetDbContextAsync();
}
[Obsolete("Use GetDbSetAsync() method.")]
public virtual DbSet<TEntity> DbSet => DbContext.Set<TEntity>();
Task<DbSet<TEntity>> IEfCoreRepository<TEntity>.GetDbSetAsync()
{
return GetDbSetAsync();
}
protected async Task<DbSet<TEntity>> GetDbSetAsync()
{
return (await GetDbContextAsync()).Set<TEntity>();
}
protected async Task<IDbConnection> GetDbConnectionAsync()
{
return (await GetDbContextAsync()).Database.GetDbConnection();
}
protected async Task<IDbTransaction?> GetDbTransactionAsync()
{
return (await GetDbContextAsync()).Database.CurrentTransaction?.GetDbTransaction();
}
protected virtual AbpEntityOptions<TEntity> AbpEntityOptions => _entityOptionsLazy.Value;
private readonly IDbContextProvider<TDbContext> _dbContextProvider;
private readonly Lazy<AbpEntityOptions<TEntity>> _entityOptionsLazy;
public virtual IGuidGenerator GuidGenerator => LazyServiceProvider.LazyGetService<IGuidGenerator>(SimpleGuidGenerator.Instance);
public IEfCoreBulkOperationProvider? BulkOperationProvider => LazyServiceProvider.LazyGetService<IEfCoreBulkOperationProvider>();
public EfCoreRepository(IDbContextProvider<TDbContext> dbContextProvider)
{
_dbContextProvider = dbContextProvider;
_entityOptionsLazy = new Lazy<AbpEntityOptions<TEntity>>(
() => ServiceProvider
.GetRequiredService<IOptions<AbpEntityOptions>>()
.Value
.GetOrNull<TEntity>() ?? AbpEntityOptions<TEntity>.Empty
);
}
public async override Task<TEntity> InsertAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
{
CheckAndSetId(entity);
var dbContext = await GetDbContextAsync();
var savedEntity = (await dbContext.Set<TEntity>().AddAsync(entity, GetCancellationToken(cancellationToken))).Entity;
if (autoSave)
{
await dbContext.SaveChangesAsync(GetCancellationToken(cancellationToken));
}
return savedEntity;
}
public async override Task InsertManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
{
var entityArray = entities.ToArray();
if (entityArray.IsNullOrEmpty())
{
return;
}
var dbContext = await GetDbContextAsync();
cancellationToken = GetCancellationToken(cancellationToken);
foreach (var entity in entityArray)
{
CheckAndSetId(entity);
}
if (BulkOperationProvider != null)
{
await BulkOperationProvider.InsertManyAsync<TDbContext, TEntity>(
this,
entityArray,
autoSave,
GetCancellationToken(cancellationToken)
);
return;
}
await dbContext.Set<TEntity>().AddRangeAsync(entityArray, cancellationToken);
if (autoSave)
{
await dbContext.SaveChangesAsync(cancellationToken);
}
}
public async override Task<TEntity> UpdateAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
{
var dbContext = await GetDbContextAsync();
if (dbContext.Set<TEntity>().Local.All(e => e != entity))
{
dbContext.Set<TEntity>().Attach(entity);
dbContext.Update(entity);
}
if (autoSave)
{
await dbContext.SaveChangesAsync(GetCancellationToken(cancellationToken));
}
return entity;
}
public async override Task UpdateManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
{
var entityArray = entities.ToArray();
if (entityArray.IsNullOrEmpty())
{
return;
}
cancellationToken = GetCancellationToken(cancellationToken);
if (BulkOperationProvider != null)
{
await BulkOperationProvider.UpdateManyAsync<TDbContext, TEntity>(
this,
entityArray,
autoSave,
GetCancellationToken(cancellationToken)
);
return;
}
var dbContext = await GetDbContextAsync();
dbContext.Set<TEntity>().UpdateRange(entityArray);
if (autoSave)
{
await dbContext.SaveChangesAsync(cancellationToken);
}
}
public async override Task DeleteAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default)
{
var dbContext = await GetDbContextAsync();
dbContext.Set<TEntity>().Remove(entity);
if (autoSave)
{
await dbContext.SaveChangesAsync(GetCancellationToken(cancellationToken));
}
}
public async override Task DeleteManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default)
{
var entityArray = entities.ToArray();
if (entityArray.IsNullOrEmpty())
{
return;
}
cancellationToken = GetCancellationToken(cancellationToken);
if (BulkOperationProvider != null)
{
await BulkOperationProvider.DeleteManyAsync<TDbContext, TEntity>(
this,
entityArray,
autoSave,
cancellationToken
);
return;
}
var dbContext = await GetDbContextAsync();
dbContext.RemoveRange(entityArray.Select(x => x));
if (autoSave)
{
await dbContext.SaveChangesAsync(cancellationToken);
}
}
public async override Task<List<TEntity>> GetListAsync(bool includeDetails = false, CancellationToken cancellationToken = default)
{
return includeDetails
? await (await WithDetailsAsync()).ToListAsync(GetCancellationToken(cancellationToken))
: await (await GetQueryableAsync()).ToListAsync(GetCancellationToken(cancellationToken));
}
public async override Task<List<TEntity>> GetListAsync(Expression<Func<TEntity, bool>> predicate, bool includeDetails = false, CancellationToken cancellationToken = default)
{
return includeDetails
? await (await WithDetailsAsync()).Where(predicate).ToListAsync(GetCancellationToken(cancellationToken))
: await (await GetQueryableAsync()).Where(predicate).ToListAsync(GetCancellationToken(cancellationToken));
}
public async override Task<long> GetCountAsync(CancellationToken cancellationToken = default)
{
return await (await GetQueryableAsync()).LongCountAsync(GetCancellationToken(cancellationToken));
}
public async override Task<List<TEntity>> GetPagedListAsync(
int skipCount,
int maxResultCount,
string sorting,
bool includeDetails = false,
CancellationToken cancellationToken = default)
{
var queryable = includeDetails
? await WithDetailsAsync()
: await GetQueryableAsync();
return await queryable
.OrderByIf<TEntity, IQueryable<TEntity>>(!sorting.IsNullOrWhiteSpace(), sorting)
.PageBy(skipCount, maxResultCount)
.ToListAsync(GetCancellationToken(cancellationToken));
}
[Obsolete("Use GetQueryableAsync method.")]
protected override IQueryable<TEntity> GetQueryable()
{
return DbSet.AsQueryable().AsNoTrackingIf(!ShouldTrackingEntityChange());
}
public async override Task<IQueryable<TEntity>> GetQueryableAsync()
{
return (await GetDbSetAsync()).AsQueryable().AsNoTrackingIf(!ShouldTrackingEntityChange());
}
protected async override Task SaveChangesAsync(CancellationToken cancellationToken)
{
await (await GetDbContextAsync()).SaveChangesAsync(cancellationToken);
}
public async override Task<TEntity?> FindAsync(
Expression<Func<TEntity, bool>> predicate,
bool includeDetails = true,
CancellationToken cancellationToken = default)
{
return includeDetails
? await (await WithDetailsAsync())
.Where(predicate)
.SingleOrDefaultAsync(GetCancellationToken(cancellationToken))
: await (await GetQueryableAsync())
.Where(predicate)
.SingleOrDefaultAsync(GetCancellationToken(cancellationToken));
}
public async override Task DeleteAsync(Expression<Func<TEntity, bool>> predicate, bool autoSave = false, CancellationToken cancellationToken = default)
{
var dbContext = await GetDbContextAsync();
var dbSet = dbContext.Set<TEntity>();
var entities = await dbSet
.Where(predicate)
.ToListAsync(GetCancellationToken(cancellationToken));
await DeleteManyAsync(entities, autoSave, cancellationToken);
if (autoSave)
{
await dbContext.SaveChangesAsync(GetCancellationToken(cancellationToken));
}
}
public async override Task DeleteDirectAsync(Expression<Func<TEntity, bool>> predicate, CancellationToken cancellationToken = default)
{
var dbContext = await GetDbContextAsync();
var dbSet = dbContext.Set<TEntity>();
await dbSet.Where(predicate).ExecuteDeleteAsync(GetCancellationToken(cancellationToken));
}
public virtual async Task EnsureCollectionLoadedAsync<TProperty>(
TEntity entity,
Expression<Func<TEntity, IEnumerable<TProperty>>> propertyExpression,
CancellationToken cancellationToken = default)
where TProperty : class
{
await (await GetDbContextAsync())
.Entry(entity)
.Collection(propertyExpression)
.LoadAsync(GetCancellationToken(cancellationToken));
}
public virtual async Task EnsurePropertyLoadedAsync<TProperty>(
TEntity entity,
Expression<Func<TEntity, TProperty?>> propertyExpression,
CancellationToken cancellationToken = default)
where TProperty : class
{
await (await GetDbContextAsync())
.Entry(entity)
.Reference(propertyExpression)
.LoadAsync(GetCancellationToken(cancellationToken));
}
[Obsolete("Use WithDetailsAsync")]
public override IQueryable<TEntity> WithDetails()
{
if (AbpEntityOptions.DefaultWithDetailsFunc == null)
{
return base.WithDetails();
}
return AbpEntityOptions.DefaultWithDetailsFunc(GetQueryable());
}
public async override Task<IQueryable<TEntity>> WithDetailsAsync()
{
if (AbpEntityOptions.DefaultWithDetailsFunc == null)
{
return await base.WithDetailsAsync();
}
return AbpEntityOptions.DefaultWithDetailsFunc(await GetQueryableAsync());
}
[Obsolete("Use WithDetailsAsync method.")]
public override IQueryable<TEntity> WithDetails(params Expression<Func<TEntity, object>>[] propertySelectors)
{
return IncludeDetails(
GetQueryable(),
propertySelectors
);
}
public async override Task<IQueryable<TEntity>> WithDetailsAsync(params Expression<Func<TEntity, object>>[] propertySelectors)
{
return IncludeDetails(
await GetQueryableAsync(),
propertySelectors
);
}
private static IQueryable<TEntity> IncludeDetails(
IQueryable<TEntity> query,
Expression<Func<TEntity, object>>[] propertySelectors)
{
if (!propertySelectors.IsNullOrEmpty())
{
foreach (var propertySelector in propertySelectors)
{
query = query.Include(propertySelector);
}
}
return query;
}
protected virtual void CheckAndSetId(TEntity entity)
{
if (entity is IEntity<Guid> entityWithGuidId)
{
TrySetGuidId(entityWithGuidId);
}
}
protected virtual void TrySetGuidId(IEntity<Guid> entity)
{
if (entity.Id != default)
{
return;
}
EntityHelper.TrySetId(
entity,
() => GuidGenerator.Create(),
true
);
}
}
public class EfCoreRepository<TDbContext, TEntity, TKey> : EfCoreRepository<TDbContext, TEntity>,
IEfCoreRepository<TEntity, TKey>,
ISupportsExplicitLoading<TEntity>
where TDbContext : IEfCoreDbContext
where TEntity : class, IEntity<TKey>
{
public EfCoreRepository(IDbContextProvider<TDbContext> dbContextProvider)
: base(dbContextProvider)
{
}
public virtual async Task<TEntity> GetAsync(TKey id, bool includeDetails = true, CancellationToken cancellationToken = default)
{
var entity = await FindAsync(id, includeDetails, GetCancellationToken(cancellationToken));
if (entity == null)
{
throw new EntityNotFoundException(typeof(TEntity), id);
}
return entity;
}
public virtual async Task<TEntity?> FindAsync(TKey id, bool includeDetails = true, CancellationToken cancellationToken = default)
{
return includeDetails
? await (await WithDetailsAsync()).OrderBy(e => e.Id).FirstOrDefaultAsync(e => e.Id!.Equals(id), GetCancellationToken(cancellationToken))
: !ShouldTrackingEntityChange()
? await (await GetQueryableAsync()).OrderBy(e => e.Id).FirstOrDefaultAsync(e => e.Id!.Equals(id), GetCancellationToken(cancellationToken))
: await (await GetDbSetAsync()).FindAsync(new object[] {id!}, GetCancellationToken(cancellationToken));
}
public virtual async Task DeleteAsync(TKey id, bool autoSave = false, CancellationToken cancellationToken = default)
{
var entity = await FindAsync(id, cancellationToken: cancellationToken);
if (entity == null)
{
return;
}
await DeleteAsync(entity, autoSave, cancellationToken);
}
public virtual async Task DeleteManyAsync(IEnumerable<TKey> ids, bool autoSave = false, CancellationToken cancellationToken = default)
{
cancellationToken = GetCancellationToken(cancellationToken);
var entities = await (await GetDbSetAsync()).Where(x => ids.Contains(x.Id)).ToListAsync(cancellationToken);
await DeleteManyAsync(entities, autoSave, cancellationToken);
}
}