89 lines
3.0 KiB
C#
89 lines
3.0 KiB
C#
using AutoMapper;
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using DigitalData.Core.Abstraction.Application.Repository;
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using Microsoft.EntityFrameworkCore;
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using System.Linq.Expressions;
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namespace DigitalData.Core.Infrastructure;
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public class DbRepository<TDbContext, TEntity> : IRepository<TEntity> where TDbContext : DbContext where TEntity : class
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{
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protected internal readonly TDbContext Context;
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protected internal readonly DbSet<TEntity> Entities;
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public IMapper Mapper { get; }
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public DbRepository(TDbContext context, Func<TDbContext, DbSet<TEntity>> queryFactory, IMapper mapper)
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{
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Context = context;
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Entities = queryFactory(context);
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Mapper = mapper;
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}
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public virtual async Task<TEntity> CreateAsync(TEntity entity, CancellationToken cancel = default)
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{
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Entities.Add(entity);
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await Context.SaveChangesAsync(cancel);
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return entity;
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}
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public virtual async Task<IEnumerable<TEntity>> CreateAsync(IEnumerable<TEntity> entities, CancellationToken cancel = default)
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{
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Entities.AddRange(entities);
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await Context.SaveChangesAsync(cancel);
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return entities;
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}
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public IQueryable<TEntity> Where(Expression<Func<TEntity, bool>> expression) => Entities.AsQueryable().Where(expression);
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public IQueryable<TEntity> Get() => Entities.AsNoTracking();
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public virtual Task UpdateAsync<TDto>(TDto dto, Expression<Func<TEntity, bool>> expression, CancellationToken cancel = default) => UpdateAsync(dto, q => q.Where(expression), cancel);
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public virtual async Task UpdateAsync<TDto>(TDto dto, Func<IQueryable<TEntity>, IQueryable<TEntity>> query, CancellationToken cancel = default)
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{
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var entities = await query(Entities).ToListAsync(cancel);
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for (int i = entities.Count - 1; i >= 0; i--)
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{
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Mapper.Map(dto, entities[i]);
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Entities.Update(entities[i]);
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}
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await Context.SaveChangesAsync(cancel);
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}
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public virtual Task DeleteAsync(Expression<Func<TEntity, bool>> expression, CancellationToken cancel = default) => DeleteAsync(q => q.Where(expression), cancel);
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public virtual async Task DeleteAsync(Func<IQueryable<TEntity>, IQueryable<TEntity>> query, CancellationToken cancel = default)
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{
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var entities = await query(Entities).ToListAsync(cancel);
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for (int i = entities.Count - 1; i >= 0; i--)
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{
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Entities.Remove(entities[i]);
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}
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await Context.SaveChangesAsync(cancel);
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}
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#region Obsolete
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[Obsolete("Use IRepository<TEntity>.Where")]
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public IQueryable<TEntity> Read() => Entities.AsQueryable();
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[Obsolete("Use IRepository<TEntity>.Get")]
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public IQueryable<TEntity> ReadOnly() => Entities.AsNoTracking();
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#endregion
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}
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public class DbRepository : IRepository
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{
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private readonly IRepositoryFactory _factory;
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public DbRepository(IRepositoryFactory factory)
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{
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_factory = factory;
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}
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public IRepository<TEntity> Entity<TEntity>() where TEntity : IEntity => _factory.Get<TEntity>();
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} |