87 lines
3.5 KiB
C#
87 lines
3.5 KiB
C#
using DigitalData.Core.Abstraction.Application.Repository;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using System.Linq.Expressions;
|
|
|
|
namespace DigitalData.Core.Infrastructure;
|
|
|
|
public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbContext : DbContext where TEntity : class
|
|
{
|
|
protected internal readonly TDbContext Context;
|
|
|
|
protected internal readonly DbSet<TEntity> Entities;
|
|
|
|
public IEntityMapper<TEntity> Mapper { get; }
|
|
|
|
public DbRepository(TDbContext context, Func<TDbContext, DbSet<TEntity>> queryFactory, IEntityMapper<TEntity> mapper)
|
|
{
|
|
Context = context;
|
|
Entities = queryFactory(context);
|
|
Mapper = mapper;
|
|
}
|
|
|
|
public virtual async Task<TEntity> CreateAsync(TEntity entity, CancellationToken ct = default)
|
|
{
|
|
Entities.Add(entity);
|
|
await Context.SaveChangesAsync(ct);
|
|
return entity;
|
|
}
|
|
|
|
public virtual async Task<IEnumerable<TEntity>> CreateAsync(IEnumerable<TEntity> entities, CancellationToken ct = default)
|
|
{
|
|
Entities.AddRange(entities);
|
|
await Context.SaveChangesAsync(ct);
|
|
return entities;
|
|
}
|
|
|
|
public IReadQuery<TEntity> Read(params Expression<Func<TEntity, bool>>[] expressions) => new ReadQuery<TEntity>(Entities.AsNoTracking()).Where(expressions);
|
|
|
|
public virtual async Task UpdateAsync<TDto>(TDto dto, Expression<Func<TEntity, bool>> expression, CancellationToken ct = default)
|
|
{
|
|
var entities = await Entities.Where(expression).ToListAsync(ct);
|
|
|
|
for (int i = entities.Count - 1; i >= 0; i--)
|
|
{
|
|
Mapper.Map(dto, entities[i]);
|
|
Entities.Update(entities[i]);
|
|
}
|
|
|
|
await Context.SaveChangesAsync(ct);
|
|
}
|
|
|
|
public virtual async Task DeleteAsync(Expression<Func<TEntity, bool>> expression, CancellationToken ct = default)
|
|
{
|
|
var entities = await Entities.Where(expression).ToListAsync(ct);
|
|
|
|
for (int i = entities.Count - 1; i >= 0; i--)
|
|
{
|
|
Entities.Remove(entities[i]);
|
|
}
|
|
|
|
await Context.SaveChangesAsync(ct);
|
|
}
|
|
|
|
#region Obsolete
|
|
[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
|
|
public virtual async Task<IEnumerable<TEntity>> ReadAllAsync(Expression<Func<TEntity, bool>>? expression = null, CancellationToken ct = default)
|
|
=> expression is null
|
|
? await Entities.AsNoTracking().ToListAsync(ct)
|
|
: await Entities.AsNoTracking().Where(expression).ToListAsync(ct);
|
|
|
|
[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
|
|
public virtual async Task<TEntity?> ReadOrDefaultAsync(Expression<Func<TEntity, bool>> expression, bool single = true, CancellationToken ct = default)
|
|
=> single
|
|
? await Entities.AsNoTracking().Where(expression).SingleOrDefaultAsync(ct)
|
|
: await Entities.AsNoTracking().Where(expression).FirstOrDefaultAsync(ct);
|
|
|
|
[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
|
|
public virtual async Task<IEnumerable<TDto>> ReadAllAsync<TDto>(Expression<Func<TEntity, bool>>? expression = null, CancellationToken ct = default)
|
|
=> Mapper.Map<TDto>(await ReadAllAsync(expression, ct));
|
|
|
|
[Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
|
|
public virtual async Task<TDto?> ReadOrDefaultAsync<TDto>(Expression<Func<TEntity, bool>> expression, bool single = true, CancellationToken ct = default)
|
|
{
|
|
var entity = await ReadOrDefaultAsync(expression, single, ct);
|
|
return entity is null ? default : Mapper.Map<TDto>(entity);
|
|
}
|
|
#endregion
|
|
} |